Merge branch 'master' into patch-1

.gitea/workflows/release.yml

@@ -4,6 +4,7 @@ on:
       - "master"
     tags:
       - "v*"
+  workflow_dispatch:
 
 jobs:
   linux-intel:
@@ -121,6 +122,37 @@ jobs:
         LINUX_SIGNING_KEY: ${{ secrets.LINUX_SIGNING_KEY }}
         AZURE_BLOBSTORE_TOKEN: ${{ secrets.AZURE_BLOBSTORE_TOKEN }}
 
+  windows:
+    name: Windows Build
+    runs-on: "win-11"
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: 1.24
+        cache: false
+
+    # Note: gcc.exe only works properly if the corresponding bin/ directory is
+    # contained in PATH.
+
+    - name: "Build (amd64)"
+      shell: cmd
+      run: |
+        set PATH=%GETH_MINGW%\bin;%PATH%
+        go run build/ci.go install -dlgo -arch amd64 -cc %GETH_MINGW%\bin\gcc.exe
+      env:
+        GETH_MINGW: 'C:\msys64\mingw64'
+
+    - name: "Build (386)"
+      shell: cmd
+      run: |
+        set PATH=%GETH_MINGW%\bin;%PATH%
+        go run build/ci.go install -dlgo -arch 386 -cc %GETH_MINGW%\bin\gcc.exe
+      env:
+        GETH_MINGW: 'C:\msys64\mingw32'
+
   docker:
     name: Docker Image
     runs-on: ubuntu-latest

.github/workflows/go.yml

@@ -1,18 +1,20 @@
-name: i386 linux tests
-
 on:
   push:
-    branches: [ master ]
+    branches:
+      - master
   pull_request:
-    branches: [ master ]
+    branches:
+      - master
   workflow_dispatch:
 
 jobs:
   lint:
     name: Lint
-    runs-on: self-hosted
+    runs-on: self-hosted-ghr
     steps:
     - uses: actions/checkout@v4
+      with:
+        submodules: false
 
     # Cache build tools to avoid downloading them each time
     - uses: actions/cache@v4
@@ -23,7 +25,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: 1.23.0
+        go-version: 1.24
         cache: false
 
     - name: Run linters
@@ -32,17 +34,25 @@ jobs:
         go run build/ci.go check_generate
         go run build/ci.go check_baddeps
 
-  build:
-    runs-on: self-hosted
+  test:
+    name: Test
+    needs: lint
+    runs-on: self-hosted-ghr
+    strategy:
+      matrix:
+        go:
+          - '1.24'
+          - '1.23'
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: true
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.24.0
+          go-version: ${{ matrix.go }}
           cache: false
+
       - name: Run tests
-        run: go test -short ./...
-        env:
-          GOOS: linux
-          GOARCH: 386
+        run: go test ./...

accounts/abi/abigen/bindv2_test.go

@@ -281,7 +281,7 @@ func TestBindingV2ConvertedV1Tests(t *testing.T) {
 			}
 			// Set this environment variable to regenerate the test outputs.
 			if os.Getenv("WRITE_TEST_FILES") != "" {
-				if err := os.WriteFile((fname), []byte(have), 0666); err != nil {
+				if err := os.WriteFile(fname, []byte(have), 0666); err != nil {
 					t.Fatalf("err writing expected output to file: %v\n", err)
 				}
 			}

accounts/abi/abigen/source2.go.tpl

@@ -90,7 +90,8 @@ var (
 
 	{{range .Calls}}
 		// Pack{{.Normalized.Name}} is the Go binding used to pack the parameters required for calling
-		// the contract method with ID 0x{{printf "%x" .Original.ID}}.
+		// the contract method with ID 0x{{printf "%x" .Original.ID}}.  This method will panic if any
+		// invalid/nil inputs are passed.
 		//
 		// Solidity: {{.Original.String}}
 		func ({{ decapitalise $contract.Type}} *{{$contract.Type}}) Pack{{.Normalized.Name}}({{range .Normalized.Inputs}} {{.Name}} {{bindtype .Type $structs}}, {{end}}) []byte {
@@ -101,6 +102,15 @@ var (
 			return enc
 		}
 
+		// TryPack{{.Normalized.Name}} is the Go binding used to pack the parameters required for calling
+		// the contract method with ID 0x{{printf "%x" .Original.ID}}.  This method will return an error
+		// if any inputs are invalid/nil.
+		//
+		// Solidity: {{.Original.String}}
+		func ({{ decapitalise $contract.Type}} *{{$contract.Type}}) TryPack{{.Normalized.Name}}({{range .Normalized.Inputs}} {{.Name}} {{bindtype .Type $structs}}, {{end}}) ([]byte, error) {
+			return {{ decapitalise $contract.Type}}.abi.Pack("{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
+		}
+
 		{{/* Unpack method is needed only when there are return args */}}
 		{{if .Normalized.Outputs }}
 			{{ if .Structured }}
@@ -133,8 +143,7 @@ var (
 					outstruct.{{capitalise .Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}})
 				{{- end }}
 				{{- end }}
-				return *outstruct, err
-				{{else}}
+				return *outstruct, nil{{else}}
 				if err != nil {
 					return {{range $i, $_ := .Normalized.Outputs}}{{if ispointertype .Type}}new({{underlyingbindtype .Type }}), {{else}}*new({{bindtype .Type $structs}}), {{end}}{{end}} err
 				}
@@ -145,7 +154,7 @@ var (
 				out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}})
 				{{- end }}
 				{{- end}}
-				return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err
+				return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} nil
 				{{- end}}
 			}
 		{{end}}

accounts/abi/abigen/testdata/v2/callbackparam.go.txt

@@ -52,7 +52,8 @@ func (c *CallbackParam) Instance(backend bind.ContractBackend, addr common.Addre
 }
 
 // PackTest is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd7a5aba2.
+// the contract method with ID 0xd7a5aba2.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function test(function callback) returns()
 func (callbackParam *CallbackParam) PackTest(callback [24]byte) []byte {
@@ -62,3 +63,12 @@ func (callbackParam *CallbackParam) PackTest(callback [24]byte) []byte {
 	}
 	return enc
 }
+
+// TryPackTest is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd7a5aba2.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function test(function callback) returns()
+func (callbackParam *CallbackParam) TryPackTest(callback [24]byte) ([]byte, error) {
+	return callbackParam.abi.Pack("test", callback)
+}

accounts/abi/abigen/testdata/v2/crowdsale.go.txt

@@ -64,7 +64,8 @@ func (crowdsale *Crowdsale) PackConstructor(ifSuccessfulSendTo common.Address, f
 }
 
 // PackAmountRaised is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x7b3e5e7b.
+// the contract method with ID 0x7b3e5e7b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function amountRaised() returns(uint256)
 func (crowdsale *Crowdsale) PackAmountRaised() []byte {
@@ -75,6 +76,15 @@ func (crowdsale *Crowdsale) PackAmountRaised() []byte {
 	return enc
 }
 
+// TryPackAmountRaised is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x7b3e5e7b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function amountRaised() returns(uint256)
+func (crowdsale *Crowdsale) TryPackAmountRaised() ([]byte, error) {
+	return crowdsale.abi.Pack("amountRaised")
+}
+
 // UnpackAmountRaised is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x7b3e5e7b.
 //
@@ -85,11 +95,12 @@ func (crowdsale *Crowdsale) UnpackAmountRaised(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackBeneficiary is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x38af3eed.
+// the contract method with ID 0x38af3eed.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function beneficiary() returns(address)
 func (crowdsale *Crowdsale) PackBeneficiary() []byte {
@@ -100,6 +111,15 @@ func (crowdsale *Crowdsale) PackBeneficiary() []byte {
 	return enc
 }
 
+// TryPackBeneficiary is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x38af3eed.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function beneficiary() returns(address)
+func (crowdsale *Crowdsale) TryPackBeneficiary() ([]byte, error) {
+	return crowdsale.abi.Pack("beneficiary")
+}
+
 // UnpackBeneficiary is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x38af3eed.
 //
@@ -110,11 +130,12 @@ func (crowdsale *Crowdsale) UnpackBeneficiary(data []byte) (common.Address, erro
 		return *new(common.Address), err
 	}
 	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
-	return out0, err
+	return out0, nil
 }
 
 // PackCheckGoalReached is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x01cb3b20.
+// the contract method with ID 0x01cb3b20.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function checkGoalReached() returns()
 func (crowdsale *Crowdsale) PackCheckGoalReached() []byte {
@@ -125,8 +146,18 @@ func (crowdsale *Crowdsale) PackCheckGoalReached() []byte {
 	return enc
 }
 
+// TryPackCheckGoalReached is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x01cb3b20.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function checkGoalReached() returns()
+func (crowdsale *Crowdsale) TryPackCheckGoalReached() ([]byte, error) {
+	return crowdsale.abi.Pack("checkGoalReached")
+}
+
 // PackDeadline is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x29dcb0cf.
+// the contract method with ID 0x29dcb0cf.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function deadline() returns(uint256)
 func (crowdsale *Crowdsale) PackDeadline() []byte {
@@ -137,6 +168,15 @@ func (crowdsale *Crowdsale) PackDeadline() []byte {
 	return enc
 }
 
+// TryPackDeadline is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x29dcb0cf.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function deadline() returns(uint256)
+func (crowdsale *Crowdsale) TryPackDeadline() ([]byte, error) {
+	return crowdsale.abi.Pack("deadline")
+}
+
 // UnpackDeadline is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x29dcb0cf.
 //
@@ -147,11 +187,12 @@ func (crowdsale *Crowdsale) UnpackDeadline(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackFunders is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xdc0d3dff.
+// the contract method with ID 0xdc0d3dff.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function funders(uint256 ) returns(address addr, uint256 amount)
 func (crowdsale *Crowdsale) PackFunders(arg0 *big.Int) []byte {
@@ -162,6 +203,15 @@ func (crowdsale *Crowdsale) PackFunders(arg0 *big.Int) []byte {
 	return enc
 }
 
+// TryPackFunders is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xdc0d3dff.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function funders(uint256 ) returns(address addr, uint256 amount)
+func (crowdsale *Crowdsale) TryPackFunders(arg0 *big.Int) ([]byte, error) {
+	return crowdsale.abi.Pack("funders", arg0)
+}
+
 // FundersOutput serves as a container for the return parameters of contract
 // method Funders.
 type FundersOutput struct {
@@ -181,12 +231,12 @@ func (crowdsale *Crowdsale) UnpackFunders(data []byte) (FundersOutput, error) {
 	}
 	outstruct.Addr = *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
 	outstruct.Amount = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackFundingGoal is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x7a3a0e84.
+// the contract method with ID 0x7a3a0e84.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function fundingGoal() returns(uint256)
 func (crowdsale *Crowdsale) PackFundingGoal() []byte {
@@ -197,6 +247,15 @@ func (crowdsale *Crowdsale) PackFundingGoal() []byte {
 	return enc
 }
 
+// TryPackFundingGoal is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x7a3a0e84.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function fundingGoal() returns(uint256)
+func (crowdsale *Crowdsale) TryPackFundingGoal() ([]byte, error) {
+	return crowdsale.abi.Pack("fundingGoal")
+}
+
 // UnpackFundingGoal is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x7a3a0e84.
 //
@@ -207,11 +266,12 @@ func (crowdsale *Crowdsale) UnpackFundingGoal(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackPrice is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xa035b1fe.
+// the contract method with ID 0xa035b1fe.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function price() returns(uint256)
 func (crowdsale *Crowdsale) PackPrice() []byte {
@@ -222,6 +282,15 @@ func (crowdsale *Crowdsale) PackPrice() []byte {
 	return enc
 }
 
+// TryPackPrice is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xa035b1fe.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function price() returns(uint256)
+func (crowdsale *Crowdsale) TryPackPrice() ([]byte, error) {
+	return crowdsale.abi.Pack("price")
+}
+
 // UnpackPrice is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xa035b1fe.
 //
@@ -232,11 +301,12 @@ func (crowdsale *Crowdsale) UnpackPrice(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackTokenReward is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x6e66f6e9.
+// the contract method with ID 0x6e66f6e9.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function tokenReward() returns(address)
 func (crowdsale *Crowdsale) PackTokenReward() []byte {
@@ -247,6 +317,15 @@ func (crowdsale *Crowdsale) PackTokenReward() []byte {
 	return enc
 }
 
+// TryPackTokenReward is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x6e66f6e9.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function tokenReward() returns(address)
+func (crowdsale *Crowdsale) TryPackTokenReward() ([]byte, error) {
+	return crowdsale.abi.Pack("tokenReward")
+}
+
 // UnpackTokenReward is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x6e66f6e9.
 //
@@ -257,7 +336,7 @@ func (crowdsale *Crowdsale) UnpackTokenReward(data []byte) (common.Address, erro
 		return *new(common.Address), err
 	}
 	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
-	return out0, err
+	return out0, nil
 }
 
 // CrowdsaleFundTransfer represents a FundTransfer event raised by the Crowdsale contract.

accounts/abi/abigen/testdata/v2/dao.go.txt

@@ -64,7 +64,8 @@ func (dAO *DAO) PackConstructor(minimumQuorumForProposals *big.Int, minutesForDe
 }
 
 // PackChangeMembership is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x9644fcbd.
+// the contract method with ID 0x9644fcbd.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function changeMembership(address targetMember, bool canVote, string memberName) returns()
 func (dAO *DAO) PackChangeMembership(targetMember common.Address, canVote bool, memberName string) []byte {
@@ -75,8 +76,18 @@ func (dAO *DAO) PackChangeMembership(targetMember common.Address, canVote bool,
 	return enc
 }
 
+// TryPackChangeMembership is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x9644fcbd.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function changeMembership(address targetMember, bool canVote, string memberName) returns()
+func (dAO *DAO) TryPackChangeMembership(targetMember common.Address, canVote bool, memberName string) ([]byte, error) {
+	return dAO.abi.Pack("changeMembership", targetMember, canVote, memberName)
+}
+
 // PackChangeVotingRules is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xbcca1fd3.
+// the contract method with ID 0xbcca1fd3.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function changeVotingRules(uint256 minimumQuorumForProposals, uint256 minutesForDebate, int256 marginOfVotesForMajority) returns()
 func (dAO *DAO) PackChangeVotingRules(minimumQuorumForProposals *big.Int, minutesForDebate *big.Int, marginOfVotesForMajority *big.Int) []byte {
@@ -87,8 +98,18 @@ func (dAO *DAO) PackChangeVotingRules(minimumQuorumForProposals *big.Int, minute
 	return enc
 }
 
+// TryPackChangeVotingRules is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xbcca1fd3.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function changeVotingRules(uint256 minimumQuorumForProposals, uint256 minutesForDebate, int256 marginOfVotesForMajority) returns()
+func (dAO *DAO) TryPackChangeVotingRules(minimumQuorumForProposals *big.Int, minutesForDebate *big.Int, marginOfVotesForMajority *big.Int) ([]byte, error) {
+	return dAO.abi.Pack("changeVotingRules", minimumQuorumForProposals, minutesForDebate, marginOfVotesForMajority)
+}
+
 // PackCheckProposalCode is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xeceb2945.
+// the contract method with ID 0xeceb2945.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function checkProposalCode(uint256 proposalNumber, address beneficiary, uint256 etherAmount, bytes transactionBytecode) returns(bool codeChecksOut)
 func (dAO *DAO) PackCheckProposalCode(proposalNumber *big.Int, beneficiary common.Address, etherAmount *big.Int, transactionBytecode []byte) []byte {
@@ -99,6 +120,15 @@ func (dAO *DAO) PackCheckProposalCode(proposalNumber *big.Int, beneficiary commo
 	return enc
 }
 
+// TryPackCheckProposalCode is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xeceb2945.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function checkProposalCode(uint256 proposalNumber, address beneficiary, uint256 etherAmount, bytes transactionBytecode) returns(bool codeChecksOut)
+func (dAO *DAO) TryPackCheckProposalCode(proposalNumber *big.Int, beneficiary common.Address, etherAmount *big.Int, transactionBytecode []byte) ([]byte, error) {
+	return dAO.abi.Pack("checkProposalCode", proposalNumber, beneficiary, etherAmount, transactionBytecode)
+}
+
 // UnpackCheckProposalCode is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xeceb2945.
 //
@@ -109,11 +139,12 @@ func (dAO *DAO) UnpackCheckProposalCode(data []byte) (bool, error) {
 		return *new(bool), err
 	}
 	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
-	return out0, err
+	return out0, nil
 }
 
 // PackDebatingPeriodInMinutes is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x69bd3436.
+// the contract method with ID 0x69bd3436.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function debatingPeriodInMinutes() returns(uint256)
 func (dAO *DAO) PackDebatingPeriodInMinutes() []byte {
@@ -124,6 +155,15 @@ func (dAO *DAO) PackDebatingPeriodInMinutes() []byte {
 	return enc
 }
 
+// TryPackDebatingPeriodInMinutes is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x69bd3436.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function debatingPeriodInMinutes() returns(uint256)
+func (dAO *DAO) TryPackDebatingPeriodInMinutes() ([]byte, error) {
+	return dAO.abi.Pack("debatingPeriodInMinutes")
+}
+
 // UnpackDebatingPeriodInMinutes is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x69bd3436.
 //
@@ -134,11 +174,12 @@ func (dAO *DAO) UnpackDebatingPeriodInMinutes(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackExecuteProposal is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x237e9492.
+// the contract method with ID 0x237e9492.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function executeProposal(uint256 proposalNumber, bytes transactionBytecode) returns(int256 result)
 func (dAO *DAO) PackExecuteProposal(proposalNumber *big.Int, transactionBytecode []byte) []byte {
@@ -149,6 +190,15 @@ func (dAO *DAO) PackExecuteProposal(proposalNumber *big.Int, transactionBytecode
 	return enc
 }
 
+// TryPackExecuteProposal is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x237e9492.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function executeProposal(uint256 proposalNumber, bytes transactionBytecode) returns(int256 result)
+func (dAO *DAO) TryPackExecuteProposal(proposalNumber *big.Int, transactionBytecode []byte) ([]byte, error) {
+	return dAO.abi.Pack("executeProposal", proposalNumber, transactionBytecode)
+}
+
 // UnpackExecuteProposal is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x237e9492.
 //
@@ -159,11 +209,12 @@ func (dAO *DAO) UnpackExecuteProposal(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackMajorityMargin is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xaa02a90f.
+// the contract method with ID 0xaa02a90f.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function majorityMargin() returns(int256)
 func (dAO *DAO) PackMajorityMargin() []byte {
@@ -174,6 +225,15 @@ func (dAO *DAO) PackMajorityMargin() []byte {
 	return enc
 }
 
+// TryPackMajorityMargin is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xaa02a90f.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function majorityMargin() returns(int256)
+func (dAO *DAO) TryPackMajorityMargin() ([]byte, error) {
+	return dAO.abi.Pack("majorityMargin")
+}
+
 // UnpackMajorityMargin is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xaa02a90f.
 //
@@ -184,11 +244,12 @@ func (dAO *DAO) UnpackMajorityMargin(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackMemberId is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x39106821.
+// the contract method with ID 0x39106821.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function memberId(address ) returns(uint256)
 func (dAO *DAO) PackMemberId(arg0 common.Address) []byte {
@@ -199,6 +260,15 @@ func (dAO *DAO) PackMemberId(arg0 common.Address) []byte {
 	return enc
 }
 
+// TryPackMemberId is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x39106821.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function memberId(address ) returns(uint256)
+func (dAO *DAO) TryPackMemberId(arg0 common.Address) ([]byte, error) {
+	return dAO.abi.Pack("memberId", arg0)
+}
+
 // UnpackMemberId is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x39106821.
 //
@@ -209,11 +279,12 @@ func (dAO *DAO) UnpackMemberId(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackMembers is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x5daf08ca.
+// the contract method with ID 0x5daf08ca.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function members(uint256 ) returns(address member, bool canVote, string name, uint256 memberSince)
 func (dAO *DAO) PackMembers(arg0 *big.Int) []byte {
@@ -224,6 +295,15 @@ func (dAO *DAO) PackMembers(arg0 *big.Int) []byte {
 	return enc
 }
 
+// TryPackMembers is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x5daf08ca.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function members(uint256 ) returns(address member, bool canVote, string name, uint256 memberSince)
+func (dAO *DAO) TryPackMembers(arg0 *big.Int) ([]byte, error) {
+	return dAO.abi.Pack("members", arg0)
+}
+
 // MembersOutput serves as a container for the return parameters of contract
 // method Members.
 type MembersOutput struct {
@@ -247,12 +327,12 @@ func (dAO *DAO) UnpackMembers(data []byte) (MembersOutput, error) {
 	outstruct.CanVote = *abi.ConvertType(out[1], new(bool)).(*bool)
 	outstruct.Name = *abi.ConvertType(out[2], new(string)).(*string)
 	outstruct.MemberSince = abi.ConvertType(out[3], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackMinimumQuorum is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x8160f0b5.
+// the contract method with ID 0x8160f0b5.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function minimumQuorum() returns(uint256)
 func (dAO *DAO) PackMinimumQuorum() []byte {
@@ -263,6 +343,15 @@ func (dAO *DAO) PackMinimumQuorum() []byte {
 	return enc
 }
 
+// TryPackMinimumQuorum is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x8160f0b5.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function minimumQuorum() returns(uint256)
+func (dAO *DAO) TryPackMinimumQuorum() ([]byte, error) {
+	return dAO.abi.Pack("minimumQuorum")
+}
+
 // UnpackMinimumQuorum is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x8160f0b5.
 //
@@ -273,11 +362,12 @@ func (dAO *DAO) UnpackMinimumQuorum(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackNewProposal is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xb1050da5.
+// the contract method with ID 0xb1050da5.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function newProposal(address beneficiary, uint256 etherAmount, string JobDescription, bytes transactionBytecode) returns(uint256 proposalID)
 func (dAO *DAO) PackNewProposal(beneficiary common.Address, etherAmount *big.Int, jobDescription string, transactionBytecode []byte) []byte {
@@ -288,6 +378,15 @@ func (dAO *DAO) PackNewProposal(beneficiary common.Address, etherAmount *big.Int
 	return enc
 }
 
+// TryPackNewProposal is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xb1050da5.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function newProposal(address beneficiary, uint256 etherAmount, string JobDescription, bytes transactionBytecode) returns(uint256 proposalID)
+func (dAO *DAO) TryPackNewProposal(beneficiary common.Address, etherAmount *big.Int, jobDescription string, transactionBytecode []byte) ([]byte, error) {
+	return dAO.abi.Pack("newProposal", beneficiary, etherAmount, jobDescription, transactionBytecode)
+}
+
 // UnpackNewProposal is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xb1050da5.
 //
@@ -298,11 +397,12 @@ func (dAO *DAO) UnpackNewProposal(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackNumProposals is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x400e3949.
+// the contract method with ID 0x400e3949.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function numProposals() returns(uint256)
 func (dAO *DAO) PackNumProposals() []byte {
@@ -313,6 +413,15 @@ func (dAO *DAO) PackNumProposals() []byte {
 	return enc
 }
 
+// TryPackNumProposals is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x400e3949.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function numProposals() returns(uint256)
+func (dAO *DAO) TryPackNumProposals() ([]byte, error) {
+	return dAO.abi.Pack("numProposals")
+}
+
 // UnpackNumProposals is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x400e3949.
 //
@@ -323,11 +432,12 @@ func (dAO *DAO) UnpackNumProposals(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackOwner is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x8da5cb5b.
+// the contract method with ID 0x8da5cb5b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function owner() returns(address)
 func (dAO *DAO) PackOwner() []byte {
@@ -338,6 +448,15 @@ func (dAO *DAO) PackOwner() []byte {
 	return enc
 }
 
+// TryPackOwner is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x8da5cb5b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function owner() returns(address)
+func (dAO *DAO) TryPackOwner() ([]byte, error) {
+	return dAO.abi.Pack("owner")
+}
+
 // UnpackOwner is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x8da5cb5b.
 //
@@ -348,11 +467,12 @@ func (dAO *DAO) UnpackOwner(data []byte) (common.Address, error) {
 		return *new(common.Address), err
 	}
 	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
-	return out0, err
+	return out0, nil
 }
 
 // PackProposals is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x013cf08b.
+// the contract method with ID 0x013cf08b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function proposals(uint256 ) returns(address recipient, uint256 amount, string description, uint256 votingDeadline, bool executed, bool proposalPassed, uint256 numberOfVotes, int256 currentResult, bytes32 proposalHash)
 func (dAO *DAO) PackProposals(arg0 *big.Int) []byte {
@@ -363,6 +483,15 @@ func (dAO *DAO) PackProposals(arg0 *big.Int) []byte {
 	return enc
 }
 
+// TryPackProposals is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x013cf08b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function proposals(uint256 ) returns(address recipient, uint256 amount, string description, uint256 votingDeadline, bool executed, bool proposalPassed, uint256 numberOfVotes, int256 currentResult, bytes32 proposalHash)
+func (dAO *DAO) TryPackProposals(arg0 *big.Int) ([]byte, error) {
+	return dAO.abi.Pack("proposals", arg0)
+}
+
 // ProposalsOutput serves as a container for the return parameters of contract
 // method Proposals.
 type ProposalsOutput struct {
@@ -396,12 +525,12 @@ func (dAO *DAO) UnpackProposals(data []byte) (ProposalsOutput, error) {
 	outstruct.NumberOfVotes = abi.ConvertType(out[6], new(big.Int)).(*big.Int)
 	outstruct.CurrentResult = abi.ConvertType(out[7], new(big.Int)).(*big.Int)
 	outstruct.ProposalHash = *abi.ConvertType(out[8], new([32]byte)).(*[32]byte)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackTransferOwnership is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xf2fde38b.
+// the contract method with ID 0xf2fde38b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function transferOwnership(address newOwner) returns()
 func (dAO *DAO) PackTransferOwnership(newOwner common.Address) []byte {
@@ -412,8 +541,18 @@ func (dAO *DAO) PackTransferOwnership(newOwner common.Address) []byte {
 	return enc
 }
 
+// TryPackTransferOwnership is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xf2fde38b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (dAO *DAO) TryPackTransferOwnership(newOwner common.Address) ([]byte, error) {
+	return dAO.abi.Pack("transferOwnership", newOwner)
+}
+
 // PackVote is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd3c0715b.
+// the contract method with ID 0xd3c0715b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function vote(uint256 proposalNumber, bool supportsProposal, string justificationText) returns(uint256 voteID)
 func (dAO *DAO) PackVote(proposalNumber *big.Int, supportsProposal bool, justificationText string) []byte {
@@ -424,6 +563,15 @@ func (dAO *DAO) PackVote(proposalNumber *big.Int, supportsProposal bool, justifi
 	return enc
 }
 
+// TryPackVote is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd3c0715b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function vote(uint256 proposalNumber, bool supportsProposal, string justificationText) returns(uint256 voteID)
+func (dAO *DAO) TryPackVote(proposalNumber *big.Int, supportsProposal bool, justificationText string) ([]byte, error) {
+	return dAO.abi.Pack("vote", proposalNumber, supportsProposal, justificationText)
+}
+
 // UnpackVote is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xd3c0715b.
 //
@@ -434,7 +582,7 @@ func (dAO *DAO) UnpackVote(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // DAOChangeOfRules represents a ChangeOfRules event raised by the DAO contract.

accounts/abi/abigen/testdata/v2/deeplynestedarray.go.txt

@@ -52,7 +52,8 @@ func (c *DeeplyNestedArray) Instance(backend bind.ContractBackend, addr common.A
 }
 
 // PackDeepUint64Array is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x98ed1856.
+// the contract method with ID 0x98ed1856.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function deepUint64Array(uint256 , uint256 , uint256 ) view returns(uint64)
 func (deeplyNestedArray *DeeplyNestedArray) PackDeepUint64Array(arg0 *big.Int, arg1 *big.Int, arg2 *big.Int) []byte {
@@ -63,6 +64,15 @@ func (deeplyNestedArray *DeeplyNestedArray) PackDeepUint64Array(arg0 *big.Int, a
 	return enc
 }
 
+// TryPackDeepUint64Array is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x98ed1856.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function deepUint64Array(uint256 , uint256 , uint256 ) view returns(uint64)
+func (deeplyNestedArray *DeeplyNestedArray) TryPackDeepUint64Array(arg0 *big.Int, arg1 *big.Int, arg2 *big.Int) ([]byte, error) {
+	return deeplyNestedArray.abi.Pack("deepUint64Array", arg0, arg1, arg2)
+}
+
 // UnpackDeepUint64Array is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x98ed1856.
 //
@@ -73,11 +83,12 @@ func (deeplyNestedArray *DeeplyNestedArray) UnpackDeepUint64Array(data []byte) (
 		return *new(uint64), err
 	}
 	out0 := *abi.ConvertType(out[0], new(uint64)).(*uint64)
-	return out0, err
+	return out0, nil
 }
 
 // PackRetrieveDeepArray is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x8ed4573a.
+// the contract method with ID 0x8ed4573a.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function retrieveDeepArray() view returns(uint64[3][4][5])
 func (deeplyNestedArray *DeeplyNestedArray) PackRetrieveDeepArray() []byte {
@@ -88,6 +99,15 @@ func (deeplyNestedArray *DeeplyNestedArray) PackRetrieveDeepArray() []byte {
 	return enc
 }
 
+// TryPackRetrieveDeepArray is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x8ed4573a.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function retrieveDeepArray() view returns(uint64[3][4][5])
+func (deeplyNestedArray *DeeplyNestedArray) TryPackRetrieveDeepArray() ([]byte, error) {
+	return deeplyNestedArray.abi.Pack("retrieveDeepArray")
+}
+
 // UnpackRetrieveDeepArray is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x8ed4573a.
 //
@@ -98,11 +118,12 @@ func (deeplyNestedArray *DeeplyNestedArray) UnpackRetrieveDeepArray(data []byte)
 		return *new([5][4][3]uint64), err
 	}
 	out0 := *abi.ConvertType(out[0], new([5][4][3]uint64)).(*[5][4][3]uint64)
-	return out0, err
+	return out0, nil
 }
 
 // PackStoreDeepUintArray is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x34424855.
+// the contract method with ID 0x34424855.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function storeDeepUintArray(uint64[3][4][5] arr) returns()
 func (deeplyNestedArray *DeeplyNestedArray) PackStoreDeepUintArray(arr [5][4][3]uint64) []byte {
@@ -112,3 +133,12 @@ func (deeplyNestedArray *DeeplyNestedArray) PackStoreDeepUintArray(arr [5][4][3]
 	}
 	return enc
 }
+
+// TryPackStoreDeepUintArray is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x34424855.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function storeDeepUintArray(uint64[3][4][5] arr) returns()
+func (deeplyNestedArray *DeeplyNestedArray) TryPackStoreDeepUintArray(arr [5][4][3]uint64) ([]byte, error) {
+	return deeplyNestedArray.abi.Pack("storeDeepUintArray", arr)
+}

accounts/abi/abigen/testdata/v2/getter.go.txt

@@ -52,7 +52,8 @@ func (c *Getter) Instance(backend bind.ContractBackend, addr common.Address) *bi
 }
 
 // PackGetter is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x993a04b7.
+// the contract method with ID 0x993a04b7.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function getter() returns(string, int256, bytes32)
 func (getter *Getter) PackGetter() []byte {
@@ -63,6 +64,15 @@ func (getter *Getter) PackGetter() []byte {
 	return enc
 }
 
+// TryPackGetter is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x993a04b7.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function getter() returns(string, int256, bytes32)
+func (getter *Getter) TryPackGetter() ([]byte, error) {
+	return getter.abi.Pack("getter")
+}
+
 // GetterOutput serves as a container for the return parameters of contract
 // method Getter.
 type GetterOutput struct {
@@ -84,6 +94,5 @@ func (getter *Getter) UnpackGetter(data []byte) (GetterOutput, error) {
 	outstruct.Arg0 = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.Arg1 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
 	outstruct.Arg2 = *abi.ConvertType(out[2], new([32]byte)).(*[32]byte)
-	return *outstruct, err
-
+	return *outstruct, nil
 }

accounts/abi/abigen/testdata/v2/identifiercollision.go.txt

@@ -52,7 +52,8 @@ func (c *IdentifierCollision) Instance(backend bind.ContractBackend, addr common
 }
 
 // PackMyVar is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x4ef1f0ad.
+// the contract method with ID 0x4ef1f0ad.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function MyVar() view returns(uint256)
 func (identifierCollision *IdentifierCollision) PackMyVar() []byte {
@@ -63,6 +64,15 @@ func (identifierCollision *IdentifierCollision) PackMyVar() []byte {
 	return enc
 }
 
+// TryPackMyVar is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x4ef1f0ad.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function MyVar() view returns(uint256)
+func (identifierCollision *IdentifierCollision) TryPackMyVar() ([]byte, error) {
+	return identifierCollision.abi.Pack("MyVar")
+}
+
 // UnpackMyVar is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x4ef1f0ad.
 //
@@ -73,11 +83,12 @@ func (identifierCollision *IdentifierCollision) UnpackMyVar(data []byte) (*big.I
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackPubVar is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x01ad4d87.
+// the contract method with ID 0x01ad4d87.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function _myVar() view returns(uint256)
 func (identifierCollision *IdentifierCollision) PackPubVar() []byte {
@@ -88,6 +99,15 @@ func (identifierCollision *IdentifierCollision) PackPubVar() []byte {
 	return enc
 }
 
+// TryPackPubVar is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x01ad4d87.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function _myVar() view returns(uint256)
+func (identifierCollision *IdentifierCollision) TryPackPubVar() ([]byte, error) {
+	return identifierCollision.abi.Pack("_myVar")
+}
+
 // UnpackPubVar is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x01ad4d87.
 //
@@ -98,5 +118,5 @@ func (identifierCollision *IdentifierCollision) UnpackPubVar(data []byte) (*big.
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }

accounts/abi/abigen/testdata/v2/inputchecker.go.txt

@@ -51,7 +51,8 @@ func (c *InputChecker) Instance(backend bind.ContractBackend, addr common.Addres
 }
 
 // PackAnonInput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x3e708e82.
+// the contract method with ID 0x3e708e82.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function anonInput(string ) returns()
 func (inputChecker *InputChecker) PackAnonInput(arg0 string) []byte {
@@ -62,8 +63,18 @@ func (inputChecker *InputChecker) PackAnonInput(arg0 string) []byte {
 	return enc
 }
 
+// TryPackAnonInput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x3e708e82.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function anonInput(string ) returns()
+func (inputChecker *InputChecker) TryPackAnonInput(arg0 string) ([]byte, error) {
+	return inputChecker.abi.Pack("anonInput", arg0)
+}
+
 // PackAnonInputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x28160527.
+// the contract method with ID 0x28160527.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function anonInputs(string , string ) returns()
 func (inputChecker *InputChecker) PackAnonInputs(arg0 string, arg1 string) []byte {
@@ -74,8 +85,18 @@ func (inputChecker *InputChecker) PackAnonInputs(arg0 string, arg1 string) []byt
 	return enc
 }
 
+// TryPackAnonInputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x28160527.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function anonInputs(string , string ) returns()
+func (inputChecker *InputChecker) TryPackAnonInputs(arg0 string, arg1 string) ([]byte, error) {
+	return inputChecker.abi.Pack("anonInputs", arg0, arg1)
+}
+
 // PackMixedInputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xc689ebdc.
+// the contract method with ID 0xc689ebdc.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function mixedInputs(string , string str) returns()
 func (inputChecker *InputChecker) PackMixedInputs(arg0 string, str string) []byte {
@@ -86,8 +107,18 @@ func (inputChecker *InputChecker) PackMixedInputs(arg0 string, str string) []byt
 	return enc
 }
 
+// TryPackMixedInputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xc689ebdc.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function mixedInputs(string , string str) returns()
+func (inputChecker *InputChecker) TryPackMixedInputs(arg0 string, str string) ([]byte, error) {
+	return inputChecker.abi.Pack("mixedInputs", arg0, str)
+}
+
 // PackNamedInput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x0d402005.
+// the contract method with ID 0x0d402005.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function namedInput(string str) returns()
 func (inputChecker *InputChecker) PackNamedInput(str string) []byte {
@@ -98,8 +129,18 @@ func (inputChecker *InputChecker) PackNamedInput(str string) []byte {
 	return enc
 }
 
+// TryPackNamedInput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x0d402005.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function namedInput(string str) returns()
+func (inputChecker *InputChecker) TryPackNamedInput(str string) ([]byte, error) {
+	return inputChecker.abi.Pack("namedInput", str)
+}
+
 // PackNamedInputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x63c796ed.
+// the contract method with ID 0x63c796ed.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function namedInputs(string str1, string str2) returns()
 func (inputChecker *InputChecker) PackNamedInputs(str1 string, str2 string) []byte {
@@ -110,8 +151,18 @@ func (inputChecker *InputChecker) PackNamedInputs(str1 string, str2 string) []by
 	return enc
 }
 
+// TryPackNamedInputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x63c796ed.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function namedInputs(string str1, string str2) returns()
+func (inputChecker *InputChecker) TryPackNamedInputs(str1 string, str2 string) ([]byte, error) {
+	return inputChecker.abi.Pack("namedInputs", str1, str2)
+}
+
 // PackNoInput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x53539029.
+// the contract method with ID 0x53539029.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function noInput() returns()
 func (inputChecker *InputChecker) PackNoInput() []byte {
@@ -121,3 +172,12 @@ func (inputChecker *InputChecker) PackNoInput() []byte {
 	}
 	return enc
 }
+
+// TryPackNoInput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x53539029.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function noInput() returns()
+func (inputChecker *InputChecker) TryPackNoInput() ([]byte, error) {
+	return inputChecker.abi.Pack("noInput")
+}

accounts/abi/abigen/testdata/v2/interactor.go.txt

@@ -64,7 +64,8 @@ func (interactor *Interactor) PackConstructor(str string) []byte {
 }
 
 // PackDeployString is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x6874e809.
+// the contract method with ID 0x6874e809.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function deployString() returns(string)
 func (interactor *Interactor) PackDeployString() []byte {
@@ -75,6 +76,15 @@ func (interactor *Interactor) PackDeployString() []byte {
 	return enc
 }
 
+// TryPackDeployString is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x6874e809.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function deployString() returns(string)
+func (interactor *Interactor) TryPackDeployString() ([]byte, error) {
+	return interactor.abi.Pack("deployString")
+}
+
 // UnpackDeployString is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x6874e809.
 //
@@ -85,11 +95,12 @@ func (interactor *Interactor) UnpackDeployString(data []byte) (string, error) {
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }
 
 // PackTransact is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd736c513.
+// the contract method with ID 0xd736c513.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function transact(string str) returns()
 func (interactor *Interactor) PackTransact(str string) []byte {
@@ -100,8 +111,18 @@ func (interactor *Interactor) PackTransact(str string) []byte {
 	return enc
 }
 
+// TryPackTransact is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd736c513.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function transact(string str) returns()
+func (interactor *Interactor) TryPackTransact(str string) ([]byte, error) {
+	return interactor.abi.Pack("transact", str)
+}
+
 // PackTransactString is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x0d86a0e1.
+// the contract method with ID 0x0d86a0e1.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function transactString() returns(string)
 func (interactor *Interactor) PackTransactString() []byte {
@@ -112,6 +133,15 @@ func (interactor *Interactor) PackTransactString() []byte {
 	return enc
 }
 
+// TryPackTransactString is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x0d86a0e1.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function transactString() returns(string)
+func (interactor *Interactor) TryPackTransactString() ([]byte, error) {
+	return interactor.abi.Pack("transactString")
+}
+
 // UnpackTransactString is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x0d86a0e1.
 //
@@ -122,5 +152,5 @@ func (interactor *Interactor) UnpackTransactString(data []byte) (string, error)
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }

accounts/abi/abigen/testdata/v2/nameconflict.go.txt

@@ -58,7 +58,8 @@ func (c *NameConflict) Instance(backend bind.ContractBackend, addr common.Addres
 }
 
 // PackAddRequest is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xcce7b048.
+// the contract method with ID 0xcce7b048.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function addRequest((bytes,bytes) req) pure returns()
 func (nameConflict *NameConflict) PackAddRequest(req Oraclerequest) []byte {
@@ -69,8 +70,18 @@ func (nameConflict *NameConflict) PackAddRequest(req Oraclerequest) []byte {
 	return enc
 }
 
+// TryPackAddRequest is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xcce7b048.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function addRequest((bytes,bytes) req) pure returns()
+func (nameConflict *NameConflict) TryPackAddRequest(req Oraclerequest) ([]byte, error) {
+	return nameConflict.abi.Pack("addRequest", req)
+}
+
 // PackGetRequest is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xc2bb515f.
+// the contract method with ID 0xc2bb515f.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function getRequest() pure returns((bytes,bytes))
 func (nameConflict *NameConflict) PackGetRequest() []byte {
@@ -81,6 +92,15 @@ func (nameConflict *NameConflict) PackGetRequest() []byte {
 	return enc
 }
 
+// TryPackGetRequest is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xc2bb515f.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function getRequest() pure returns((bytes,bytes))
+func (nameConflict *NameConflict) TryPackGetRequest() ([]byte, error) {
+	return nameConflict.abi.Pack("getRequest")
+}
+
 // UnpackGetRequest is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xc2bb515f.
 //
@@ -91,7 +111,7 @@ func (nameConflict *NameConflict) UnpackGetRequest(data []byte) (Oraclerequest,
 		return *new(Oraclerequest), err
 	}
 	out0 := *abi.ConvertType(out[0], new(Oraclerequest)).(*Oraclerequest)
-	return out0, err
+	return out0, nil
 }
 
 // NameConflictLog represents a log event raised by the NameConflict contract.

accounts/abi/abigen/testdata/v2/numericmethodname.go.txt

@@ -52,7 +52,8 @@ func (c *NumericMethodName) Instance(backend bind.ContractBackend, addr common.A
 }
 
 // PackE1test is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xffa02795.
+// the contract method with ID 0xffa02795.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function _1test() pure returns()
 func (numericMethodName *NumericMethodName) PackE1test() []byte {
@@ -63,8 +64,18 @@ func (numericMethodName *NumericMethodName) PackE1test() []byte {
 	return enc
 }
 
+// TryPackE1test is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xffa02795.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function _1test() pure returns()
+func (numericMethodName *NumericMethodName) TryPackE1test() ([]byte, error) {
+	return numericMethodName.abi.Pack("_1test")
+}
+
 // PackE1test0 is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd02767c7.
+// the contract method with ID 0xd02767c7.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function __1test() pure returns()
 func (numericMethodName *NumericMethodName) PackE1test0() []byte {
@@ -75,8 +86,18 @@ func (numericMethodName *NumericMethodName) PackE1test0() []byte {
 	return enc
 }
 
+// TryPackE1test0 is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd02767c7.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function __1test() pure returns()
+func (numericMethodName *NumericMethodName) TryPackE1test0() ([]byte, error) {
+	return numericMethodName.abi.Pack("__1test")
+}
+
 // PackE2test is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x9d993132.
+// the contract method with ID 0x9d993132.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function __2test() pure returns()
 func (numericMethodName *NumericMethodName) PackE2test() []byte {
@@ -87,6 +108,15 @@ func (numericMethodName *NumericMethodName) PackE2test() []byte {
 	return enc
 }
 
+// TryPackE2test is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x9d993132.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function __2test() pure returns()
+func (numericMethodName *NumericMethodName) TryPackE2test() ([]byte, error) {
+	return numericMethodName.abi.Pack("__2test")
+}
+
 // NumericMethodNameE1TestEvent represents a _1TestEvent event raised by the NumericMethodName contract.
 type NumericMethodNameE1TestEvent struct {
 	Param common.Address

accounts/abi/abigen/testdata/v2/outputchecker.go.txt

@@ -51,7 +51,8 @@ func (c *OutputChecker) Instance(backend bind.ContractBackend, addr common.Addre
 }
 
 // PackAnonOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x008bda05.
+// the contract method with ID 0x008bda05.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function anonOutput() returns(string)
 func (outputChecker *OutputChecker) PackAnonOutput() []byte {
@@ -62,6 +63,15 @@ func (outputChecker *OutputChecker) PackAnonOutput() []byte {
 	return enc
 }
 
+// TryPackAnonOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x008bda05.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function anonOutput() returns(string)
+func (outputChecker *OutputChecker) TryPackAnonOutput() ([]byte, error) {
+	return outputChecker.abi.Pack("anonOutput")
+}
+
 // UnpackAnonOutput is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x008bda05.
 //
@@ -72,11 +82,12 @@ func (outputChecker *OutputChecker) UnpackAnonOutput(data []byte) (string, error
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }
 
 // PackAnonOutputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x3c401115.
+// the contract method with ID 0x3c401115.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function anonOutputs() returns(string, string)
 func (outputChecker *OutputChecker) PackAnonOutputs() []byte {
@@ -87,6 +98,15 @@ func (outputChecker *OutputChecker) PackAnonOutputs() []byte {
 	return enc
 }
 
+// TryPackAnonOutputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x3c401115.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function anonOutputs() returns(string, string)
+func (outputChecker *OutputChecker) TryPackAnonOutputs() ([]byte, error) {
+	return outputChecker.abi.Pack("anonOutputs")
+}
+
 // AnonOutputsOutput serves as a container for the return parameters of contract
 // method AnonOutputs.
 type AnonOutputsOutput struct {
@@ -106,12 +126,12 @@ func (outputChecker *OutputChecker) UnpackAnonOutputs(data []byte) (AnonOutputsO
 	}
 	outstruct.Arg0 = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.Arg1 = *abi.ConvertType(out[1], new(string)).(*string)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackCollidingOutputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xeccbc1ee.
+// the contract method with ID 0xeccbc1ee.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function collidingOutputs() returns(string str, string Str)
 func (outputChecker *OutputChecker) PackCollidingOutputs() []byte {
@@ -122,6 +142,15 @@ func (outputChecker *OutputChecker) PackCollidingOutputs() []byte {
 	return enc
 }
 
+// TryPackCollidingOutputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xeccbc1ee.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function collidingOutputs() returns(string str, string Str)
+func (outputChecker *OutputChecker) TryPackCollidingOutputs() ([]byte, error) {
+	return outputChecker.abi.Pack("collidingOutputs")
+}
+
 // CollidingOutputsOutput serves as a container for the return parameters of contract
 // method CollidingOutputs.
 type CollidingOutputsOutput struct {
@@ -141,12 +170,12 @@ func (outputChecker *OutputChecker) UnpackCollidingOutputs(data []byte) (Collidi
 	}
 	outstruct.Str = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.Str0 = *abi.ConvertType(out[1], new(string)).(*string)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackMixedOutputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x21b77b44.
+// the contract method with ID 0x21b77b44.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function mixedOutputs() returns(string, string str)
 func (outputChecker *OutputChecker) PackMixedOutputs() []byte {
@@ -157,6 +186,15 @@ func (outputChecker *OutputChecker) PackMixedOutputs() []byte {
 	return enc
 }
 
+// TryPackMixedOutputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x21b77b44.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function mixedOutputs() returns(string, string str)
+func (outputChecker *OutputChecker) TryPackMixedOutputs() ([]byte, error) {
+	return outputChecker.abi.Pack("mixedOutputs")
+}
+
 // MixedOutputsOutput serves as a container for the return parameters of contract
 // method MixedOutputs.
 type MixedOutputsOutput struct {
@@ -176,12 +214,12 @@ func (outputChecker *OutputChecker) UnpackMixedOutputs(data []byte) (MixedOutput
 	}
 	outstruct.Arg0 = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.Str = *abi.ConvertType(out[1], new(string)).(*string)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackNamedOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x5e632bd5.
+// the contract method with ID 0x5e632bd5.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function namedOutput() returns(string str)
 func (outputChecker *OutputChecker) PackNamedOutput() []byte {
@@ -192,6 +230,15 @@ func (outputChecker *OutputChecker) PackNamedOutput() []byte {
 	return enc
 }
 
+// TryPackNamedOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x5e632bd5.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function namedOutput() returns(string str)
+func (outputChecker *OutputChecker) TryPackNamedOutput() ([]byte, error) {
+	return outputChecker.abi.Pack("namedOutput")
+}
+
 // UnpackNamedOutput is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x5e632bd5.
 //
@@ -202,11 +249,12 @@ func (outputChecker *OutputChecker) UnpackNamedOutput(data []byte) (string, erro
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }
 
 // PackNamedOutputs is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x7970a189.
+// the contract method with ID 0x7970a189.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function namedOutputs() returns(string str1, string str2)
 func (outputChecker *OutputChecker) PackNamedOutputs() []byte {
@@ -217,6 +265,15 @@ func (outputChecker *OutputChecker) PackNamedOutputs() []byte {
 	return enc
 }
 
+// TryPackNamedOutputs is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x7970a189.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function namedOutputs() returns(string str1, string str2)
+func (outputChecker *OutputChecker) TryPackNamedOutputs() ([]byte, error) {
+	return outputChecker.abi.Pack("namedOutputs")
+}
+
 // NamedOutputsOutput serves as a container for the return parameters of contract
 // method NamedOutputs.
 type NamedOutputsOutput struct {
@@ -236,12 +293,12 @@ func (outputChecker *OutputChecker) UnpackNamedOutputs(data []byte) (NamedOutput
 	}
 	outstruct.Str1 = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.Str2 = *abi.ConvertType(out[1], new(string)).(*string)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackNoOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x625f0306.
+// the contract method with ID 0x625f0306.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function noOutput() returns()
 func (outputChecker *OutputChecker) PackNoOutput() []byte {
@@ -251,3 +308,12 @@ func (outputChecker *OutputChecker) PackNoOutput() []byte {
 	}
 	return enc
 }
+
+// TryPackNoOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x625f0306.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function noOutput() returns()
+func (outputChecker *OutputChecker) TryPackNoOutput() ([]byte, error) {
+	return outputChecker.abi.Pack("noOutput")
+}

accounts/abi/abigen/testdata/v2/overload.go.txt

@@ -52,7 +52,8 @@ func (c *Overload) Instance(backend bind.ContractBackend, addr common.Address) *
 }
 
 // PackFoo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x04bc52f8.
+// the contract method with ID 0x04bc52f8.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function foo(uint256 i, uint256 j) returns()
 func (overload *Overload) PackFoo(i *big.Int, j *big.Int) []byte {
@@ -63,8 +64,18 @@ func (overload *Overload) PackFoo(i *big.Int, j *big.Int) []byte {
 	return enc
 }
 
+// TryPackFoo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x04bc52f8.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function foo(uint256 i, uint256 j) returns()
+func (overload *Overload) TryPackFoo(i *big.Int, j *big.Int) ([]byte, error) {
+	return overload.abi.Pack("foo", i, j)
+}
+
 // PackFoo0 is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2fbebd38.
+// the contract method with ID 0x2fbebd38.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function foo(uint256 i) returns()
 func (overload *Overload) PackFoo0(i *big.Int) []byte {
@@ -75,6 +86,15 @@ func (overload *Overload) PackFoo0(i *big.Int) []byte {
 	return enc
 }
 
+// TryPackFoo0 is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2fbebd38.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function foo(uint256 i) returns()
+func (overload *Overload) TryPackFoo0(i *big.Int) ([]byte, error) {
+	return overload.abi.Pack("foo0", i)
+}
+
 // OverloadBar represents a bar event raised by the Overload contract.
 type OverloadBar struct {
 	I   *big.Int

accounts/abi/abigen/testdata/v2/rangekeyword.go.txt

@@ -52,7 +52,8 @@ func (c *RangeKeyword) Instance(backend bind.ContractBackend, addr common.Addres
 }
 
 // PackFunctionWithKeywordParameter is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x527a119f.
+// the contract method with ID 0x527a119f.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function functionWithKeywordParameter(uint256 range) pure returns()
 func (rangeKeyword *RangeKeyword) PackFunctionWithKeywordParameter(arg0 *big.Int) []byte {
@@ -62,3 +63,12 @@ func (rangeKeyword *RangeKeyword) PackFunctionWithKeywordParameter(arg0 *big.Int
 	}
 	return enc
 }
+
+// TryPackFunctionWithKeywordParameter is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x527a119f.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function functionWithKeywordParameter(uint256 range) pure returns()
+func (rangeKeyword *RangeKeyword) TryPackFunctionWithKeywordParameter(arg0 *big.Int) ([]byte, error) {
+	return rangeKeyword.abi.Pack("functionWithKeywordParameter", arg0)
+}

accounts/abi/abigen/testdata/v2/slicer.go.txt

@@ -52,7 +52,8 @@ func (c *Slicer) Instance(backend bind.ContractBackend, addr common.Address) *bi
 }
 
 // PackEchoAddresses is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xbe1127a3.
+// the contract method with ID 0xbe1127a3.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function echoAddresses(address[] input) returns(address[] output)
 func (slicer *Slicer) PackEchoAddresses(input []common.Address) []byte {
@@ -63,6 +64,15 @@ func (slicer *Slicer) PackEchoAddresses(input []common.Address) []byte {
 	return enc
 }
 
+// TryPackEchoAddresses is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xbe1127a3.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function echoAddresses(address[] input) returns(address[] output)
+func (slicer *Slicer) TryPackEchoAddresses(input []common.Address) ([]byte, error) {
+	return slicer.abi.Pack("echoAddresses", input)
+}
+
 // UnpackEchoAddresses is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xbe1127a3.
 //
@@ -73,11 +83,12 @@ func (slicer *Slicer) UnpackEchoAddresses(data []byte) ([]common.Address, error)
 		return *new([]common.Address), err
 	}
 	out0 := *abi.ConvertType(out[0], new([]common.Address)).(*[]common.Address)
-	return out0, err
+	return out0, nil
 }
 
 // PackEchoBools is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xf637e589.
+// the contract method with ID 0xf637e589.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function echoBools(bool[] input) returns(bool[] output)
 func (slicer *Slicer) PackEchoBools(input []bool) []byte {
@@ -88,6 +99,15 @@ func (slicer *Slicer) PackEchoBools(input []bool) []byte {
 	return enc
 }
 
+// TryPackEchoBools is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xf637e589.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function echoBools(bool[] input) returns(bool[] output)
+func (slicer *Slicer) TryPackEchoBools(input []bool) ([]byte, error) {
+	return slicer.abi.Pack("echoBools", input)
+}
+
 // UnpackEchoBools is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xf637e589.
 //
@@ -98,11 +118,12 @@ func (slicer *Slicer) UnpackEchoBools(data []byte) ([]bool, error) {
 		return *new([]bool), err
 	}
 	out0 := *abi.ConvertType(out[0], new([]bool)).(*[]bool)
-	return out0, err
+	return out0, nil
 }
 
 // PackEchoFancyInts is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd88becc0.
+// the contract method with ID 0xd88becc0.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function echoFancyInts(uint24[23] input) returns(uint24[23] output)
 func (slicer *Slicer) PackEchoFancyInts(input [23]*big.Int) []byte {
@@ -113,6 +134,15 @@ func (slicer *Slicer) PackEchoFancyInts(input [23]*big.Int) []byte {
 	return enc
 }
 
+// TryPackEchoFancyInts is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd88becc0.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function echoFancyInts(uint24[23] input) returns(uint24[23] output)
+func (slicer *Slicer) TryPackEchoFancyInts(input [23]*big.Int) ([]byte, error) {
+	return slicer.abi.Pack("echoFancyInts", input)
+}
+
 // UnpackEchoFancyInts is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xd88becc0.
 //
@@ -123,11 +153,12 @@ func (slicer *Slicer) UnpackEchoFancyInts(data []byte) ([23]*big.Int, error) {
 		return *new([23]*big.Int), err
 	}
 	out0 := *abi.ConvertType(out[0], new([23]*big.Int)).(*[23]*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackEchoInts is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe15a3db7.
+// the contract method with ID 0xe15a3db7.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function echoInts(int256[] input) returns(int256[] output)
 func (slicer *Slicer) PackEchoInts(input []*big.Int) []byte {
@@ -138,6 +169,15 @@ func (slicer *Slicer) PackEchoInts(input []*big.Int) []byte {
 	return enc
 }
 
+// TryPackEchoInts is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe15a3db7.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function echoInts(int256[] input) returns(int256[] output)
+func (slicer *Slicer) TryPackEchoInts(input []*big.Int) ([]byte, error) {
+	return slicer.abi.Pack("echoInts", input)
+}
+
 // UnpackEchoInts is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xe15a3db7.
 //
@@ -148,5 +188,5 @@ func (slicer *Slicer) UnpackEchoInts(data []byte) ([]*big.Int, error) {
 		return *new([]*big.Int), err
 	}
 	out0 := *abi.ConvertType(out[0], new([]*big.Int)).(*[]*big.Int)
-	return out0, err
+	return out0, nil
 }

accounts/abi/abigen/testdata/v2/structs.go.txt

@@ -57,7 +57,8 @@ func (c *Structs) Instance(backend bind.ContractBackend, addr common.Address) *b
 }
 
 // PackF is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x28811f59.
+// the contract method with ID 0x28811f59.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function F() view returns((bytes32)[] a, uint256[] c, bool[] d)
 func (structs *Structs) PackF() []byte {
@@ -68,6 +69,15 @@ func (structs *Structs) PackF() []byte {
 	return enc
 }
 
+// TryPackF is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x28811f59.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function F() view returns((bytes32)[] a, uint256[] c, bool[] d)
+func (structs *Structs) TryPackF() ([]byte, error) {
+	return structs.abi.Pack("F")
+}
+
 // FOutput serves as a container for the return parameters of contract
 // method F.
 type FOutput struct {
@@ -89,12 +99,12 @@ func (structs *Structs) UnpackF(data []byte) (FOutput, error) {
 	outstruct.A = *abi.ConvertType(out[0], new([]Struct0)).(*[]Struct0)
 	outstruct.C = *abi.ConvertType(out[1], new([]*big.Int)).(*[]*big.Int)
 	outstruct.D = *abi.ConvertType(out[2], new([]bool)).(*[]bool)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackG is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x6fecb623.
+// the contract method with ID 0x6fecb623.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function G() view returns((bytes32)[] a)
 func (structs *Structs) PackG() []byte {
@@ -105,6 +115,15 @@ func (structs *Structs) PackG() []byte {
 	return enc
 }
 
+// TryPackG is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x6fecb623.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function G() view returns((bytes32)[] a)
+func (structs *Structs) TryPackG() ([]byte, error) {
+	return structs.abi.Pack("G")
+}
+
 // UnpackG is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x6fecb623.
 //
@@ -115,5 +134,5 @@ func (structs *Structs) UnpackG(data []byte) ([]Struct0, error) {
 		return *new([]Struct0), err
 	}
 	out0 := *abi.ConvertType(out[0], new([]Struct0)).(*[]Struct0)
-	return out0, err
+	return out0, nil
 }

accounts/abi/abigen/testdata/v2/token.go.txt

@@ -64,7 +64,8 @@ func (token *Token) PackConstructor(initialSupply *big.Int, tokenName string, de
 }
 
 // PackAllowance is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xdd62ed3e.
+// the contract method with ID 0xdd62ed3e.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function allowance(address , address ) returns(uint256)
 func (token *Token) PackAllowance(arg0 common.Address, arg1 common.Address) []byte {
@@ -75,6 +76,15 @@ func (token *Token) PackAllowance(arg0 common.Address, arg1 common.Address) []by
 	return enc
 }
 
+// TryPackAllowance is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xdd62ed3e.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function allowance(address , address ) returns(uint256)
+func (token *Token) TryPackAllowance(arg0 common.Address, arg1 common.Address) ([]byte, error) {
+	return token.abi.Pack("allowance", arg0, arg1)
+}
+
 // UnpackAllowance is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xdd62ed3e.
 //
@@ -85,11 +95,12 @@ func (token *Token) UnpackAllowance(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackApproveAndCall is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xcae9ca51.
+// the contract method with ID 0xcae9ca51.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns(bool success)
 func (token *Token) PackApproveAndCall(spender common.Address, value *big.Int, extraData []byte) []byte {
@@ -100,6 +111,15 @@ func (token *Token) PackApproveAndCall(spender common.Address, value *big.Int, e
 	return enc
 }
 
+// TryPackApproveAndCall is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xcae9ca51.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns(bool success)
+func (token *Token) TryPackApproveAndCall(spender common.Address, value *big.Int, extraData []byte) ([]byte, error) {
+	return token.abi.Pack("approveAndCall", spender, value, extraData)
+}
+
 // UnpackApproveAndCall is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xcae9ca51.
 //
@@ -110,11 +130,12 @@ func (token *Token) UnpackApproveAndCall(data []byte) (bool, error) {
 		return *new(bool), err
 	}
 	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
-	return out0, err
+	return out0, nil
 }
 
 // PackBalanceOf is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x70a08231.
+// the contract method with ID 0x70a08231.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function balanceOf(address ) returns(uint256)
 func (token *Token) PackBalanceOf(arg0 common.Address) []byte {
@@ -125,6 +146,15 @@ func (token *Token) PackBalanceOf(arg0 common.Address) []byte {
 	return enc
 }
 
+// TryPackBalanceOf is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x70a08231.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function balanceOf(address ) returns(uint256)
+func (token *Token) TryPackBalanceOf(arg0 common.Address) ([]byte, error) {
+	return token.abi.Pack("balanceOf", arg0)
+}
+
 // UnpackBalanceOf is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x70a08231.
 //
@@ -135,11 +165,12 @@ func (token *Token) UnpackBalanceOf(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackDecimals is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x313ce567.
+// the contract method with ID 0x313ce567.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function decimals() returns(uint8)
 func (token *Token) PackDecimals() []byte {
@@ -150,6 +181,15 @@ func (token *Token) PackDecimals() []byte {
 	return enc
 }
 
+// TryPackDecimals is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x313ce567.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function decimals() returns(uint8)
+func (token *Token) TryPackDecimals() ([]byte, error) {
+	return token.abi.Pack("decimals")
+}
+
 // UnpackDecimals is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x313ce567.
 //
@@ -160,11 +200,12 @@ func (token *Token) UnpackDecimals(data []byte) (uint8, error) {
 		return *new(uint8), err
 	}
 	out0 := *abi.ConvertType(out[0], new(uint8)).(*uint8)
-	return out0, err
+	return out0, nil
 }
 
 // PackName is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x06fdde03.
+// the contract method with ID 0x06fdde03.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function name() returns(string)
 func (token *Token) PackName() []byte {
@@ -175,6 +216,15 @@ func (token *Token) PackName() []byte {
 	return enc
 }
 
+// TryPackName is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x06fdde03.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function name() returns(string)
+func (token *Token) TryPackName() ([]byte, error) {
+	return token.abi.Pack("name")
+}
+
 // UnpackName is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x06fdde03.
 //
@@ -185,11 +235,12 @@ func (token *Token) UnpackName(data []byte) (string, error) {
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }
 
 // PackSpentAllowance is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xdc3080f2.
+// the contract method with ID 0xdc3080f2.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function spentAllowance(address , address ) returns(uint256)
 func (token *Token) PackSpentAllowance(arg0 common.Address, arg1 common.Address) []byte {
@@ -200,6 +251,15 @@ func (token *Token) PackSpentAllowance(arg0 common.Address, arg1 common.Address)
 	return enc
 }
 
+// TryPackSpentAllowance is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xdc3080f2.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function spentAllowance(address , address ) returns(uint256)
+func (token *Token) TryPackSpentAllowance(arg0 common.Address, arg1 common.Address) ([]byte, error) {
+	return token.abi.Pack("spentAllowance", arg0, arg1)
+}
+
 // UnpackSpentAllowance is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xdc3080f2.
 //
@@ -210,11 +270,12 @@ func (token *Token) UnpackSpentAllowance(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackSymbol is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x95d89b41.
+// the contract method with ID 0x95d89b41.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function symbol() returns(string)
 func (token *Token) PackSymbol() []byte {
@@ -225,6 +286,15 @@ func (token *Token) PackSymbol() []byte {
 	return enc
 }
 
+// TryPackSymbol is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x95d89b41.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function symbol() returns(string)
+func (token *Token) TryPackSymbol() ([]byte, error) {
+	return token.abi.Pack("symbol")
+}
+
 // UnpackSymbol is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x95d89b41.
 //
@@ -235,11 +305,12 @@ func (token *Token) UnpackSymbol(data []byte) (string, error) {
 		return *new(string), err
 	}
 	out0 := *abi.ConvertType(out[0], new(string)).(*string)
-	return out0, err
+	return out0, nil
 }
 
 // PackTransfer is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xa9059cbb.
+// the contract method with ID 0xa9059cbb.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function transfer(address _to, uint256 _value) returns()
 func (token *Token) PackTransfer(to common.Address, value *big.Int) []byte {
@@ -250,8 +321,18 @@ func (token *Token) PackTransfer(to common.Address, value *big.Int) []byte {
 	return enc
 }
 
+// TryPackTransfer is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xa9059cbb.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function transfer(address _to, uint256 _value) returns()
+func (token *Token) TryPackTransfer(to common.Address, value *big.Int) ([]byte, error) {
+	return token.abi.Pack("transfer", to, value)
+}
+
 // PackTransferFrom is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x23b872dd.
+// the contract method with ID 0x23b872dd.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function transferFrom(address _from, address _to, uint256 _value) returns(bool success)
 func (token *Token) PackTransferFrom(from common.Address, to common.Address, value *big.Int) []byte {
@@ -262,6 +343,15 @@ func (token *Token) PackTransferFrom(from common.Address, to common.Address, val
 	return enc
 }
 
+// TryPackTransferFrom is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x23b872dd.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function transferFrom(address _from, address _to, uint256 _value) returns(bool success)
+func (token *Token) TryPackTransferFrom(from common.Address, to common.Address, value *big.Int) ([]byte, error) {
+	return token.abi.Pack("transferFrom", from, to, value)
+}
+
 // UnpackTransferFrom is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x23b872dd.
 //
@@ -272,7 +362,7 @@ func (token *Token) UnpackTransferFrom(data []byte) (bool, error) {
 		return *new(bool), err
 	}
 	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
-	return out0, err
+	return out0, nil
 }
 
 // TokenTransfer represents a Transfer event raised by the Token contract.

accounts/abi/abigen/testdata/v2/tuple.go.txt

@@ -77,7 +77,8 @@ func (c *Tuple) Instance(backend bind.ContractBackend, addr common.Address) *bin
 }
 
 // PackFunc1 is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x443c79b4.
+// the contract method with ID 0x443c79b4.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function func1((uint256,uint256[],(uint256,uint256)[]) a, (uint256,uint256)[2][] b, (uint256,uint256)[][2] c, (uint256,uint256[],(uint256,uint256)[])[] d, uint256[] e) pure returns((uint256,uint256[],(uint256,uint256)[]), (uint256,uint256)[2][], (uint256,uint256)[][2], (uint256,uint256[],(uint256,uint256)[])[], uint256[])
 func (tuple *Tuple) PackFunc1(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS, e []*big.Int) []byte {
@@ -88,6 +89,15 @@ func (tuple *Tuple) PackFunc1(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS
 	return enc
 }
 
+// TryPackFunc1 is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x443c79b4.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function func1((uint256,uint256[],(uint256,uint256)[]) a, (uint256,uint256)[2][] b, (uint256,uint256)[][2] c, (uint256,uint256[],(uint256,uint256)[])[] d, uint256[] e) pure returns((uint256,uint256[],(uint256,uint256)[]), (uint256,uint256)[2][], (uint256,uint256)[][2], (uint256,uint256[],(uint256,uint256)[])[], uint256[])
+func (tuple *Tuple) TryPackFunc1(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS, e []*big.Int) ([]byte, error) {
+	return tuple.abi.Pack("func1", a, b, c, d, e)
+}
+
 // Func1Output serves as a container for the return parameters of contract
 // method Func1.
 type Func1Output struct {
@@ -113,12 +123,12 @@ func (tuple *Tuple) UnpackFunc1(data []byte) (Func1Output, error) {
 	outstruct.Arg2 = *abi.ConvertType(out[2], new([2][]TupleT)).(*[2][]TupleT)
 	outstruct.Arg3 = *abi.ConvertType(out[3], new([]TupleS)).(*[]TupleS)
 	outstruct.Arg4 = *abi.ConvertType(out[4], new([]*big.Int)).(*[]*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackFunc2 is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xd0062cdd.
+// the contract method with ID 0xd0062cdd.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function func2((uint256,uint256[],(uint256,uint256)[]) a, (uint256,uint256)[2][] b, (uint256,uint256)[][2] c, (uint256,uint256[],(uint256,uint256)[])[] d, uint256[] e) returns()
 func (tuple *Tuple) PackFunc2(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS, e []*big.Int) []byte {
@@ -129,8 +139,18 @@ func (tuple *Tuple) PackFunc2(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS
 	return enc
 }
 
+// TryPackFunc2 is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xd0062cdd.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function func2((uint256,uint256[],(uint256,uint256)[]) a, (uint256,uint256)[2][] b, (uint256,uint256)[][2] c, (uint256,uint256[],(uint256,uint256)[])[] d, uint256[] e) returns()
+func (tuple *Tuple) TryPackFunc2(a TupleS, b [][2]TupleT, c [2][]TupleT, d []TupleS, e []*big.Int) ([]byte, error) {
+	return tuple.abi.Pack("func2", a, b, c, d, e)
+}
+
 // PackFunc3 is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe4d9a43b.
+// the contract method with ID 0xe4d9a43b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function func3((uint16,uint16)[] ) pure returns()
 func (tuple *Tuple) PackFunc3(arg0 []TupleQ) []byte {
@@ -141,6 +161,15 @@ func (tuple *Tuple) PackFunc3(arg0 []TupleQ) []byte {
 	return enc
 }
 
+// TryPackFunc3 is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe4d9a43b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function func3((uint16,uint16)[] ) pure returns()
+func (tuple *Tuple) TryPackFunc3(arg0 []TupleQ) ([]byte, error) {
+	return tuple.abi.Pack("func3", arg0)
+}
+
 // TupleTupleEvent represents a TupleEvent event raised by the Tuple contract.
 type TupleTupleEvent struct {
 	A   TupleS

accounts/abi/abigen/testdata/v2/tupler.go.txt

@@ -52,7 +52,8 @@ func (c *Tupler) Instance(backend bind.ContractBackend, addr common.Address) *bi
 }
 
 // PackTuple is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x3175aae2.
+// the contract method with ID 0x3175aae2.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function tuple() returns(string a, int256 b, bytes32 c)
 func (tupler *Tupler) PackTuple() []byte {
@@ -63,6 +64,15 @@ func (tupler *Tupler) PackTuple() []byte {
 	return enc
 }
 
+// TryPackTuple is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x3175aae2.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function tuple() returns(string a, int256 b, bytes32 c)
+func (tupler *Tupler) TryPackTuple() ([]byte, error) {
+	return tupler.abi.Pack("tuple")
+}
+
 // TupleOutput serves as a container for the return parameters of contract
 // method Tuple.
 type TupleOutput struct {
@@ -84,6 +94,5 @@ func (tupler *Tupler) UnpackTuple(data []byte) (TupleOutput, error) {
 	outstruct.A = *abi.ConvertType(out[0], new(string)).(*string)
 	outstruct.B = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
 	outstruct.C = *abi.ConvertType(out[2], new([32]byte)).(*[32]byte)
-	return *outstruct, err
-
+	return *outstruct, nil
 }

accounts/abi/abigen/testdata/v2/underscorer.go.txt

@@ -52,7 +52,8 @@ func (c *Underscorer) Instance(backend bind.ContractBackend, addr common.Address
 }
 
 // PackAllPurelyUnderscoredOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xb564b34d.
+// the contract method with ID 0xb564b34d.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function AllPurelyUnderscoredOutput() view returns(int256 _, int256 __)
 func (underscorer *Underscorer) PackAllPurelyUnderscoredOutput() []byte {
@@ -63,6 +64,15 @@ func (underscorer *Underscorer) PackAllPurelyUnderscoredOutput() []byte {
 	return enc
 }
 
+// TryPackAllPurelyUnderscoredOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xb564b34d.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function AllPurelyUnderscoredOutput() view returns(int256 _, int256 __)
+func (underscorer *Underscorer) TryPackAllPurelyUnderscoredOutput() ([]byte, error) {
+	return underscorer.abi.Pack("AllPurelyUnderscoredOutput")
+}
+
 // AllPurelyUnderscoredOutputOutput serves as a container for the return parameters of contract
 // method AllPurelyUnderscoredOutput.
 type AllPurelyUnderscoredOutputOutput struct {
@@ -82,12 +92,12 @@ func (underscorer *Underscorer) UnpackAllPurelyUnderscoredOutput(data []byte) (A
 	}
 	outstruct.Arg0 = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Arg1 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackLowerLowerCollision is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe409ca45.
+// the contract method with ID 0xe409ca45.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function LowerLowerCollision() view returns(int256 _res, int256 res)
 func (underscorer *Underscorer) PackLowerLowerCollision() []byte {
@@ -98,6 +108,15 @@ func (underscorer *Underscorer) PackLowerLowerCollision() []byte {
 	return enc
 }
 
+// TryPackLowerLowerCollision is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe409ca45.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function LowerLowerCollision() view returns(int256 _res, int256 res)
+func (underscorer *Underscorer) TryPackLowerLowerCollision() ([]byte, error) {
+	return underscorer.abi.Pack("LowerLowerCollision")
+}
+
 // LowerLowerCollisionOutput serves as a container for the return parameters of contract
 // method LowerLowerCollision.
 type LowerLowerCollisionOutput struct {
@@ -117,12 +136,12 @@ func (underscorer *Underscorer) UnpackLowerLowerCollision(data []byte) (LowerLow
 	}
 	outstruct.Res = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Res0 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackLowerUpperCollision is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x03a59213.
+// the contract method with ID 0x03a59213.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function LowerUpperCollision() view returns(int256 _res, int256 Res)
 func (underscorer *Underscorer) PackLowerUpperCollision() []byte {
@@ -133,6 +152,15 @@ func (underscorer *Underscorer) PackLowerUpperCollision() []byte {
 	return enc
 }
 
+// TryPackLowerUpperCollision is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x03a59213.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function LowerUpperCollision() view returns(int256 _res, int256 Res)
+func (underscorer *Underscorer) TryPackLowerUpperCollision() ([]byte, error) {
+	return underscorer.abi.Pack("LowerUpperCollision")
+}
+
 // LowerUpperCollisionOutput serves as a container for the return parameters of contract
 // method LowerUpperCollision.
 type LowerUpperCollisionOutput struct {
@@ -152,12 +180,12 @@ func (underscorer *Underscorer) UnpackLowerUpperCollision(data []byte) (LowerUpp
 	}
 	outstruct.Res = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Res0 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackPurelyUnderscoredOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x9df48485.
+// the contract method with ID 0x9df48485.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function PurelyUnderscoredOutput() view returns(int256 _, int256 res)
 func (underscorer *Underscorer) PackPurelyUnderscoredOutput() []byte {
@@ -168,6 +196,15 @@ func (underscorer *Underscorer) PackPurelyUnderscoredOutput() []byte {
 	return enc
 }
 
+// TryPackPurelyUnderscoredOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x9df48485.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function PurelyUnderscoredOutput() view returns(int256 _, int256 res)
+func (underscorer *Underscorer) TryPackPurelyUnderscoredOutput() ([]byte, error) {
+	return underscorer.abi.Pack("PurelyUnderscoredOutput")
+}
+
 // PurelyUnderscoredOutputOutput serves as a container for the return parameters of contract
 // method PurelyUnderscoredOutput.
 type PurelyUnderscoredOutputOutput struct {
@@ -187,12 +224,12 @@ func (underscorer *Underscorer) UnpackPurelyUnderscoredOutput(data []byte) (Pure
 	}
 	outstruct.Arg0 = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Res = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackUnderscoredOutput is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x67e6633d.
+// the contract method with ID 0x67e6633d.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function UnderscoredOutput() view returns(int256 _int, string _string)
 func (underscorer *Underscorer) PackUnderscoredOutput() []byte {
@@ -203,6 +240,15 @@ func (underscorer *Underscorer) PackUnderscoredOutput() []byte {
 	return enc
 }
 
+// TryPackUnderscoredOutput is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x67e6633d.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function UnderscoredOutput() view returns(int256 _int, string _string)
+func (underscorer *Underscorer) TryPackUnderscoredOutput() ([]byte, error) {
+	return underscorer.abi.Pack("UnderscoredOutput")
+}
+
 // UnderscoredOutputOutput serves as a container for the return parameters of contract
 // method UnderscoredOutput.
 type UnderscoredOutputOutput struct {
@@ -222,12 +268,12 @@ func (underscorer *Underscorer) UnpackUnderscoredOutput(data []byte) (Underscore
 	}
 	outstruct.Int = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.String = *abi.ConvertType(out[1], new(string)).(*string)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackUpperLowerCollision is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xaf7486ab.
+// the contract method with ID 0xaf7486ab.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function UpperLowerCollision() view returns(int256 _Res, int256 res)
 func (underscorer *Underscorer) PackUpperLowerCollision() []byte {
@@ -238,6 +284,15 @@ func (underscorer *Underscorer) PackUpperLowerCollision() []byte {
 	return enc
 }
 
+// TryPackUpperLowerCollision is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xaf7486ab.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function UpperLowerCollision() view returns(int256 _Res, int256 res)
+func (underscorer *Underscorer) TryPackUpperLowerCollision() ([]byte, error) {
+	return underscorer.abi.Pack("UpperLowerCollision")
+}
+
 // UpperLowerCollisionOutput serves as a container for the return parameters of contract
 // method UpperLowerCollision.
 type UpperLowerCollisionOutput struct {
@@ -257,12 +312,12 @@ func (underscorer *Underscorer) UnpackUpperLowerCollision(data []byte) (UpperLow
 	}
 	outstruct.Res = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Res0 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackUpperUpperCollision is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe02ab24d.
+// the contract method with ID 0xe02ab24d.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function UpperUpperCollision() view returns(int256 _Res, int256 Res)
 func (underscorer *Underscorer) PackUpperUpperCollision() []byte {
@@ -273,6 +328,15 @@ func (underscorer *Underscorer) PackUpperUpperCollision() []byte {
 	return enc
 }
 
+// TryPackUpperUpperCollision is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe02ab24d.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function UpperUpperCollision() view returns(int256 _Res, int256 Res)
+func (underscorer *Underscorer) TryPackUpperUpperCollision() ([]byte, error) {
+	return underscorer.abi.Pack("UpperUpperCollision")
+}
+
 // UpperUpperCollisionOutput serves as a container for the return parameters of contract
 // method UpperUpperCollision.
 type UpperUpperCollisionOutput struct {
@@ -292,12 +356,12 @@ func (underscorer *Underscorer) UnpackUpperUpperCollision(data []byte) (UpperUpp
 	}
 	outstruct.Res = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Res0 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackUnderScoredFunc is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x46546dbe.
+// the contract method with ID 0x46546dbe.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function _under_scored_func() view returns(int256 _int)
 func (underscorer *Underscorer) PackUnderScoredFunc() []byte {
@@ -308,6 +372,15 @@ func (underscorer *Underscorer) PackUnderScoredFunc() []byte {
 	return enc
 }
 
+// TryPackUnderScoredFunc is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x46546dbe.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function _under_scored_func() view returns(int256 _int)
+func (underscorer *Underscorer) TryPackUnderScoredFunc() ([]byte, error) {
+	return underscorer.abi.Pack("_under_scored_func")
+}
+
 // UnpackUnderScoredFunc is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x46546dbe.
 //
@@ -318,5 +391,5 @@ func (underscorer *Underscorer) UnpackUnderScoredFunc(data []byte) (*big.Int, er
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }

accounts/abi/bind/v2/internal/contracts/db/bindings.go

@@ -59,7 +59,8 @@ func (c *DB) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackGet is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x9507d39a.
+// the contract method with ID 0x9507d39a.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function get(uint256 k) returns(uint256)
 func (dB *DB) PackGet(k *big.Int) []byte {
@@ -70,6 +71,15 @@ func (dB *DB) PackGet(k *big.Int) []byte {
 	return enc
 }
 
+// TryPackGet is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x9507d39a.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function get(uint256 k) returns(uint256)
+func (dB *DB) TryPackGet(k *big.Int) ([]byte, error) {
+	return dB.abi.Pack("get", k)
+}
+
 // UnpackGet is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x9507d39a.
 //
@@ -80,11 +90,12 @@ func (dB *DB) UnpackGet(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // PackGetNamedStatParams is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe369ba3b.
+// the contract method with ID 0xe369ba3b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function getNamedStatParams() view returns(uint256 gets, uint256 inserts, uint256 mods)
 func (dB *DB) PackGetNamedStatParams() []byte {
@@ -95,6 +106,15 @@ func (dB *DB) PackGetNamedStatParams() []byte {
 	return enc
 }
 
+// TryPackGetNamedStatParams is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe369ba3b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function getNamedStatParams() view returns(uint256 gets, uint256 inserts, uint256 mods)
+func (dB *DB) TryPackGetNamedStatParams() ([]byte, error) {
+	return dB.abi.Pack("getNamedStatParams")
+}
+
 // GetNamedStatParamsOutput serves as a container for the return parameters of contract
 // method GetNamedStatParams.
 type GetNamedStatParamsOutput struct {
@@ -116,12 +136,12 @@ func (dB *DB) UnpackGetNamedStatParams(data []byte) (GetNamedStatParamsOutput, e
 	outstruct.Gets = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Inserts = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
 	outstruct.Mods = abi.ConvertType(out[2], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackGetStatParams is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x6fcb9c70.
+// the contract method with ID 0x6fcb9c70.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function getStatParams() view returns(uint256, uint256, uint256)
 func (dB *DB) PackGetStatParams() []byte {
@@ -132,6 +152,15 @@ func (dB *DB) PackGetStatParams() []byte {
 	return enc
 }
 
+// TryPackGetStatParams is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x6fcb9c70.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function getStatParams() view returns(uint256, uint256, uint256)
+func (dB *DB) TryPackGetStatParams() ([]byte, error) {
+	return dB.abi.Pack("getStatParams")
+}
+
 // GetStatParamsOutput serves as a container for the return parameters of contract
 // method GetStatParams.
 type GetStatParamsOutput struct {
@@ -153,12 +182,12 @@ func (dB *DB) UnpackGetStatParams(data []byte) (GetStatParamsOutput, error) {
 	outstruct.Arg0 = abi.ConvertType(out[0], new(big.Int)).(*big.Int)
 	outstruct.Arg1 = abi.ConvertType(out[1], new(big.Int)).(*big.Int)
 	outstruct.Arg2 = abi.ConvertType(out[2], new(big.Int)).(*big.Int)
-	return *outstruct, err
-
+	return *outstruct, nil
 }
 
 // PackGetStatsStruct is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xee8161e0.
+// the contract method with ID 0xee8161e0.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function getStatsStruct() view returns((uint256,uint256,uint256))
 func (dB *DB) PackGetStatsStruct() []byte {
@@ -169,6 +198,15 @@ func (dB *DB) PackGetStatsStruct() []byte {
 	return enc
 }
 
+// TryPackGetStatsStruct is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xee8161e0.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function getStatsStruct() view returns((uint256,uint256,uint256))
+func (dB *DB) TryPackGetStatsStruct() ([]byte, error) {
+	return dB.abi.Pack("getStatsStruct")
+}
+
 // UnpackGetStatsStruct is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xee8161e0.
 //
@@ -179,11 +217,12 @@ func (dB *DB) UnpackGetStatsStruct(data []byte) (DBStats, error) {
 		return *new(DBStats), err
 	}
 	out0 := *abi.ConvertType(out[0], new(DBStats)).(*DBStats)
-	return out0, err
+	return out0, nil
 }
 
 // PackInsert is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x1d834a1b.
+// the contract method with ID 0x1d834a1b.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function insert(uint256 k, uint256 v) returns(uint256)
 func (dB *DB) PackInsert(k *big.Int, v *big.Int) []byte {
@@ -194,6 +233,15 @@ func (dB *DB) PackInsert(k *big.Int, v *big.Int) []byte {
 	return enc
 }
 
+// TryPackInsert is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x1d834a1b.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function insert(uint256 k, uint256 v) returns(uint256)
+func (dB *DB) TryPackInsert(k *big.Int, v *big.Int) ([]byte, error) {
+	return dB.abi.Pack("insert", k, v)
+}
+
 // UnpackInsert is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x1d834a1b.
 //
@@ -204,7 +252,7 @@ func (dB *DB) UnpackInsert(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // DBInsert represents a Insert event raised by the DB contract.

accounts/abi/bind/v2/internal/contracts/events/bindings.go

@@ -52,7 +52,8 @@ func (c *C) Instance(backend bind.ContractBackend, addr common.Address) *bind.Bo
 }
 
 // PackEmitMulti is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xcb493749.
+// the contract method with ID 0xcb493749.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function EmitMulti() returns()
 func (c *C) PackEmitMulti() []byte {
@@ -63,8 +64,18 @@ func (c *C) PackEmitMulti() []byte {
 	return enc
 }
 
+// TryPackEmitMulti is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xcb493749.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function EmitMulti() returns()
+func (c *C) TryPackEmitMulti() ([]byte, error) {
+	return c.abi.Pack("EmitMulti")
+}
+
 // PackEmitOne is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xe8e49a71.
+// the contract method with ID 0xe8e49a71.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function EmitOne() returns()
 func (c *C) PackEmitOne() []byte {
@@ -75,6 +86,15 @@ func (c *C) PackEmitOne() []byte {
 	return enc
 }
 
+// TryPackEmitOne is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xe8e49a71.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function EmitOne() returns()
+func (c *C) TryPackEmitOne() ([]byte, error) {
+	return c.abi.Pack("EmitOne")
+}
+
 // CBasic1 represents a basic1 event raised by the C contract.
 type CBasic1 struct {
 	Id   *big.Int

accounts/abi/bind/v2/internal/contracts/nested_libraries/bindings.go

@@ -68,7 +68,8 @@ func (c1 *C1) PackConstructor(v1 *big.Int, v2 *big.Int) []byte {
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256 res)
 func (c1 *C1) PackDo(val *big.Int) []byte {
@@ -79,6 +80,15 @@ func (c1 *C1) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256 res)
+func (c1 *C1) TryPackDo(val *big.Int) ([]byte, error) {
+	return c1.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -89,7 +99,7 @@ func (c1 *C1) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // C2MetaData contains all meta data concerning the C2 contract.
@@ -136,7 +146,8 @@ func (c2 *C2) PackConstructor(v1 *big.Int, v2 *big.Int) []byte {
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256 res)
 func (c2 *C2) PackDo(val *big.Int) []byte {
@@ -147,6 +158,15 @@ func (c2 *C2) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256 res)
+func (c2 *C2) TryPackDo(val *big.Int) ([]byte, error) {
+	return c2.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -157,7 +177,7 @@ func (c2 *C2) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L1MetaData contains all meta data concerning the L1 contract.
@@ -188,7 +208,8 @@ func (c *L1) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l1 *L1) PackDo(val *big.Int) []byte {
@@ -199,6 +220,15 @@ func (l1 *L1) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l1 *L1) TryPackDo(val *big.Int) ([]byte, error) {
+	return l1.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -209,7 +239,7 @@ func (l1 *L1) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L2MetaData contains all meta data concerning the L2 contract.
@@ -243,7 +273,8 @@ func (c *L2) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l2 *L2) PackDo(val *big.Int) []byte {
@@ -254,6 +285,15 @@ func (l2 *L2) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l2 *L2) TryPackDo(val *big.Int) ([]byte, error) {
+	return l2.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -264,7 +304,7 @@ func (l2 *L2) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L2bMetaData contains all meta data concerning the L2b contract.
@@ -298,7 +338,8 @@ func (c *L2b) Instance(backend bind.ContractBackend, addr common.Address) *bind.
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l2b *L2b) PackDo(val *big.Int) []byte {
@@ -309,6 +350,15 @@ func (l2b *L2b) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l2b *L2b) TryPackDo(val *big.Int) ([]byte, error) {
+	return l2b.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -319,7 +369,7 @@ func (l2b *L2b) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L3MetaData contains all meta data concerning the L3 contract.
@@ -350,7 +400,8 @@ func (c *L3) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l3 *L3) PackDo(val *big.Int) []byte {
@@ -361,6 +412,15 @@ func (l3 *L3) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l3 *L3) TryPackDo(val *big.Int) ([]byte, error) {
+	return l3.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -371,7 +431,7 @@ func (l3 *L3) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L4MetaData contains all meta data concerning the L4 contract.
@@ -406,7 +466,8 @@ func (c *L4) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l4 *L4) PackDo(val *big.Int) []byte {
@@ -417,6 +478,15 @@ func (l4 *L4) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l4 *L4) TryPackDo(val *big.Int) ([]byte, error) {
+	return l4.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -427,7 +497,7 @@ func (l4 *L4) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }
 
 // L4bMetaData contains all meta data concerning the L4b contract.
@@ -461,7 +531,8 @@ func (c *L4b) Instance(backend bind.ContractBackend, addr common.Address) *bind.
 }
 
 // PackDo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0x2ad11272.
+// the contract method with ID 0x2ad11272.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Do(uint256 val) pure returns(uint256)
 func (l4b *L4b) PackDo(val *big.Int) []byte {
@@ -472,6 +543,15 @@ func (l4b *L4b) PackDo(val *big.Int) []byte {
 	return enc
 }
 
+// TryPackDo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0x2ad11272.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Do(uint256 val) pure returns(uint256)
+func (l4b *L4b) TryPackDo(val *big.Int) ([]byte, error) {
+	return l4b.abi.Pack("Do", val)
+}
+
 // UnpackDo is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0x2ad11272.
 //
@@ -482,5 +562,5 @@ func (l4b *L4b) UnpackDo(data []byte) (*big.Int, error) {
 		return new(big.Int), err
 	}
 	out0 := abi.ConvertType(out[0], new(big.Int)).(*big.Int)
-	return out0, err
+	return out0, nil
 }

accounts/abi/bind/v2/internal/contracts/solc_errors/bindings.go

@@ -52,7 +52,8 @@ func (c *C) Instance(backend bind.ContractBackend, addr common.Address) *bind.Bo
 }
 
 // PackBar is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xb0a378b0.
+// the contract method with ID 0xb0a378b0.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Bar() pure returns()
 func (c *C) PackBar() []byte {
@@ -63,8 +64,18 @@ func (c *C) PackBar() []byte {
 	return enc
 }
 
+// TryPackBar is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xb0a378b0.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Bar() pure returns()
+func (c *C) TryPackBar() ([]byte, error) {
+	return c.abi.Pack("Bar")
+}
+
 // PackFoo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xbfb4ebcf.
+// the contract method with ID 0xbfb4ebcf.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Foo() pure returns()
 func (c *C) PackFoo() []byte {
@@ -75,6 +86,15 @@ func (c *C) PackFoo() []byte {
 	return enc
 }
 
+// TryPackFoo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xbfb4ebcf.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Foo() pure returns()
+func (c *C) TryPackFoo() ([]byte, error) {
+	return c.abi.Pack("Foo")
+}
+
 // UnpackError attempts to decode the provided error data using user-defined
 // error definitions.
 func (c *C) UnpackError(raw []byte) (any, error) {
@@ -169,7 +189,8 @@ func (c *C2) Instance(backend bind.ContractBackend, addr common.Address) *bind.B
 }
 
 // PackFoo is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xbfb4ebcf.
+// the contract method with ID 0xbfb4ebcf.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function Foo() pure returns()
 func (c2 *C2) PackFoo() []byte {
@@ -180,6 +201,15 @@ func (c2 *C2) PackFoo() []byte {
 	return enc
 }
 
+// TryPackFoo is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xbfb4ebcf.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function Foo() pure returns()
+func (c2 *C2) TryPackFoo() ([]byte, error) {
+	return c2.abi.Pack("Foo")
+}
+
 // UnpackError attempts to decode the provided error data using user-defined
 // error definitions.
 func (c2 *C2) UnpackError(raw []byte) (any, error) {

accounts/abi/bind/v2/internal/contracts/uint256arrayreturn/bindings.go

@@ -52,7 +52,8 @@ func (c *MyContract) Instance(backend bind.ContractBackend, addr common.Address)
 }
 
 // PackGetNums is the Go binding used to pack the parameters required for calling
-// the contract method with ID 0xbd6d1007.
+// the contract method with ID 0xbd6d1007.  This method will panic if any
+// invalid/nil inputs are passed.
 //
 // Solidity: function GetNums() pure returns(uint256[5])
 func (myContract *MyContract) PackGetNums() []byte {
@@ -63,6 +64,15 @@ func (myContract *MyContract) PackGetNums() []byte {
 	return enc
 }
 
+// TryPackGetNums is the Go binding used to pack the parameters required for calling
+// the contract method with ID 0xbd6d1007.  This method will return an error
+// if any inputs are invalid/nil.
+//
+// Solidity: function GetNums() pure returns(uint256[5])
+func (myContract *MyContract) TryPackGetNums() ([]byte, error) {
+	return myContract.abi.Pack("GetNums")
+}
+
 // UnpackGetNums is the Go binding that unpacks the parameters returned
 // from invoking the contract method with ID 0xbd6d1007.
 //
@@ -73,5 +83,5 @@ func (myContract *MyContract) UnpackGetNums(data []byte) ([5]*big.Int, error) {
 		return *new([5]*big.Int), err
 	}
 	out0 := *abi.ConvertType(out[0], new([5]*big.Int)).(*[5]*big.Int)
-	return out0, err
+	return out0, nil
 }

cmd/clef/extapi_changelog.md

@@ -65,7 +65,7 @@ The API-method `account_signGnosisSafeTx` was added. This method takes two param
 ```
 
 Not all fields are required, though. This method is really just a UX helper, which massages the 
-input to conform to the `EIP-712` [specification](https://docs.gnosis.io/safe/docs/contracts_tx_execution/#transaction-hash) 
+input to conform to the `EIP-712` [specification](https://docs.safe.global/core-api/transaction-service-reference/gnosis) 
 for the Gnosis Safe, and making the output be directly importable to by a relay service. 
 
 

cmd/evm/internal/t8ntool/transaction.go

@@ -183,6 +183,9 @@ func Transaction(ctx *cli.Context) error {
 		if chainConfig.IsShanghai(new(big.Int), 0) && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
 			r.Error = errors.New("max initcode size exceeded")
 		}
+		if chainConfig.IsOsaka(new(big.Int), 0) && tx.Gas() > params.MaxTxGas {
+			r.Error = errors.New("gas limit exceeds maximum")
+		}
 		results = append(results, r)
 	}
 	out, err := json.MarshalIndent(results, "", "  ")

cmd/geth/config.go

@@ -268,7 +268,7 @@ func makeFullNode(ctx *cli.Context) *node.Node {
 		if len(hex) != common.HashLength {
 			utils.Fatalf("invalid sync target length: have %d, want %d", len(hex), common.HashLength)
 		}
-		utils.RegisterFullSyncTester(stack, eth, common.BytesToHash(hex))
+		utils.RegisterFullSyncTester(stack, eth, common.BytesToHash(hex), ctx.Bool(utils.ExitWhenSyncedFlag.Name))
 	}
 
 	if ctx.IsSet(utils.DeveloperFlag.Name) {

cmd/utils/flags.go

@@ -261,7 +261,7 @@ var (
 	}
 	GCModeFlag = &cli.StringFlag{
 		Name:     "gcmode",
-		Usage:    `Blockchain garbage collection mode, only relevant in state.scheme=hash ("full", "archive")`,
+		Usage:    `Blockchain garbage collection mode ("full", "archive")`,
 		Value:    "full",
 		Category: flags.StateCategory,
 	}
@@ -1379,13 +1379,13 @@ func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
 		cfg.UseLightweightKDF = ctx.Bool(LightKDFFlag.Name)
 	}
 	if ctx.IsSet(NoUSBFlag.Name) || cfg.NoUSB {
-		log.Warn("Option nousb is deprecated and USB is deactivated by default. Use --usb to enable")
+		log.Warn("Option --nousb is deprecated and USB is deactivated by default. Use --usb to enable")
 	}
 	if ctx.IsSet(USBFlag.Name) {
 		cfg.USB = ctx.Bool(USBFlag.Name)
 	}
 	if ctx.IsSet(InsecureUnlockAllowedFlag.Name) {
-		log.Warn(fmt.Sprintf("Option %q is deprecated and has no effect", InsecureUnlockAllowedFlag.Name))
+		log.Warn(fmt.Sprintf("Option --%s is deprecated and has no effect", InsecureUnlockAllowedFlag.Name))
 	}
 	if ctx.IsSet(DBEngineFlag.Name) {
 		dbEngine := ctx.String(DBEngineFlag.Name)
@@ -1397,10 +1397,10 @@ func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
 	}
 	// deprecation notice for log debug flags (TODO: find a more appropriate place to put these?)
 	if ctx.IsSet(LogBacktraceAtFlag.Name) {
-		log.Warn("log.backtrace flag is deprecated")
+		log.Warn("Option --log.backtrace flag is deprecated")
 	}
 	if ctx.IsSet(LogDebugFlag.Name) {
-		log.Warn("log.debug flag is deprecated")
+		log.Warn("Option --log.debug flag is deprecated")
 	}
 }
 
@@ -1859,7 +1859,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 func MakeBeaconLightConfig(ctx *cli.Context) bparams.ClientConfig {
 	var config bparams.ClientConfig
 	customConfig := ctx.IsSet(BeaconConfigFlag.Name)
-	flags.CheckExclusive(ctx, MainnetFlag, SepoliaFlag, HoleskyFlag, BeaconConfigFlag)
+	flags.CheckExclusive(ctx, MainnetFlag, SepoliaFlag, HoleskyFlag, HoodiFlag, BeaconConfigFlag)
 	switch {
 	case ctx.Bool(MainnetFlag.Name):
 		config.ChainConfig = *bparams.MainnetLightConfig
@@ -1998,9 +1998,9 @@ func RegisterFilterAPI(stack *node.Node, backend ethapi.Backend, ethcfg *ethconf
 }
 
 // RegisterFullSyncTester adds the full-sync tester service into node.
-func RegisterFullSyncTester(stack *node.Node, eth *eth.Ethereum, target common.Hash) {
-	catalyst.RegisterFullSyncTester(stack, eth, target)
-	log.Info("Registered full-sync tester", "hash", target)
+func RegisterFullSyncTester(stack *node.Node, eth *eth.Ethereum, target common.Hash, exitWhenSynced bool) {
+	catalyst.RegisterFullSyncTester(stack, eth, target, exitWhenSynced)
+	log.Info("Registered full-sync tester", "hash", target, "exitWhenSynced", exitWhenSynced)
 }
 
 // SetupMetrics configures the metrics system.

cmd/utils/flags_legacy.go

@@ -44,40 +44,50 @@ var DeprecatedFlags = []cli.Flag{
 	MinerNewPayloadTimeoutFlag,
 	MinerEtherbaseFlag,
 	MiningEnabledFlag,
+	MetricsEnabledExpensiveFlag,
+	EnablePersonal,
+	UnlockedAccountFlag,
+	InsecureUnlockAllowedFlag,
 }
 
 var (
 	// Deprecated May 2020, shown in aliased flags section
 	NoUSBFlag = &cli.BoolFlag{
 		Name:     "nousb",
+		Hidden:   true,
 		Usage:    "Disables monitoring for and managing USB hardware wallets (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
 	// Deprecated March 2022
 	LegacyWhitelistFlag = &cli.StringFlag{
 		Name:     "whitelist",
+		Hidden:   true,
 		Usage:    "Comma separated block number-to-hash mappings to enforce (<number>=<hash>) (deprecated in favor of --eth.requiredblocks)",
 		Category: flags.DeprecatedCategory,
 	}
 	// Deprecated July 2023
 	CacheTrieJournalFlag = &cli.StringFlag{
 		Name:     "cache.trie.journal",
+		Hidden:   true,
 		Usage:    "Disk journal directory for trie cache to survive node restarts",
 		Category: flags.DeprecatedCategory,
 	}
 	CacheTrieRejournalFlag = &cli.DurationFlag{
 		Name:     "cache.trie.rejournal",
+		Hidden:   true,
 		Usage:    "Time interval to regenerate the trie cache journal",
 		Category: flags.DeprecatedCategory,
 	}
 	LegacyDiscoveryV5Flag = &cli.BoolFlag{
 		Name:     "v5disc",
+		Hidden:   true,
 		Usage:    "Enables the experimental RLPx V5 (Topic Discovery) mechanism (deprecated, use --discv5 instead)",
 		Category: flags.DeprecatedCategory,
 	}
 	// Deprecated August 2023
 	TxLookupLimitFlag = &cli.Uint64Flag{
 		Name:     "txlookuplimit",
+		Hidden:   true,
 		Usage:    "Number of recent blocks to maintain transactions index for (default = about one year, 0 = entire chain) (deprecated, use history.transactions instead)",
 		Value:    ethconfig.Defaults.TransactionHistory,
 		Category: flags.DeprecatedCategory,
@@ -85,51 +95,60 @@ var (
 	// Deprecated November 2023
 	LogBacktraceAtFlag = &cli.StringFlag{
 		Name:     "log.backtrace",
+		Hidden:   true,
 		Usage:    "Request a stack trace at a specific logging statement (deprecated)",
 		Value:    "",
 		Category: flags.DeprecatedCategory,
 	}
 	LogDebugFlag = &cli.BoolFlag{
 		Name:     "log.debug",
+		Hidden:   true,
 		Usage:    "Prepends log messages with call-site location (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
 	// Deprecated February 2024
 	MinerNewPayloadTimeoutFlag = &cli.DurationFlag{
 		Name:     "miner.newpayload-timeout",
+		Hidden:   true,
 		Usage:    "Specify the maximum time allowance for creating a new payload (deprecated)",
 		Value:    ethconfig.Defaults.Miner.Recommit,
 		Category: flags.DeprecatedCategory,
 	}
 	MinerEtherbaseFlag = &cli.StringFlag{
 		Name:     "miner.etherbase",
+		Hidden:   true,
 		Usage:    "0x prefixed public address for block mining rewards (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
 	MiningEnabledFlag = &cli.BoolFlag{
 		Name:     "mine",
+		Hidden:   true,
 		Usage:    "Enable mining (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
 	MetricsEnabledExpensiveFlag = &cli.BoolFlag{
 		Name:     "metrics.expensive",
+		Hidden:   true,
 		Usage:    "Enable expensive metrics collection and reporting (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}
 	// Deprecated Oct 2024
 	EnablePersonal = &cli.BoolFlag{
 		Name:     "rpc.enabledeprecatedpersonal",
+		Hidden:   true,
 		Usage:    "This used to enable the 'personal' namespace.",
 		Category: flags.DeprecatedCategory,
 	}
 	UnlockedAccountFlag = &cli.StringFlag{
 		Name:     "unlock",
+		Hidden:   true,
 		Usage:    "Comma separated list of accounts to unlock (deprecated)",
 		Value:    "",
 		Category: flags.DeprecatedCategory,
 	}
 	InsecureUnlockAllowedFlag = &cli.BoolFlag{
 		Name:     "allow-insecure-unlock",
+		Hidden:   true,
 		Usage:    "Allow insecure account unlocking when account-related RPCs are exposed by http (deprecated)",
 		Category: flags.DeprecatedCategory,
 	}

cmd/workload/README.md

@@ -17,6 +17,13 @@ and `eth_getBlockByNumber`, use this command:
 > ./workload test --sepolia --run History/getBlockBy http://host:8545
 ```
 
+Notably, trace tests require archive which keeps all the historical states for tracing.
+The additional flag is required to activate the trace tests.
+
+```
+> ./workload test --sepolia --archive --run Trace/Block http://host:8545
+```
+
 ### Regenerating tests
 
 There is a facility for updating the tests from the chain. This can also be used to
@@ -26,5 +33,5 @@ the following commands (in this directory) against a synced mainnet node:
 ```shell
 > go run . filtergen --queries queries/filter_queries_mainnet.json http://host:8545
 > go run . historygen --history-tests queries/history_mainnet.json http://host:8545
-> go run . tracegen --trace-tests queries/trace_mainnet.json http://host:8545
+> go run . tracegen --trace-tests queries/trace_mainnet.json --trace-start 4000000 --trace-end 4000100 http://host:8545
 ```

cmd/workload/filtertest.go

@@ -21,6 +21,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/big"
+	"os"
 	"time"
 
 	"github.com/ethereum/go-ethereum"
@@ -152,9 +153,16 @@ func (s *filterTestSuite) fullRangeQueryAndCheck(t *utesting.T, query *filterQue
 
 func (s *filterTestSuite) loadQueries() error {
 	file, err := s.cfg.fsys.Open(s.cfg.filterQueryFile)
+	if err != nil {
+		// If not found in embedded FS, try to load it from disk
+		if !os.IsNotExist(err) {
+			return err
+		}
+		file, err = os.OpenFile(s.cfg.filterQueryFile, os.O_RDONLY, 0666)
 		if err != nil {
 			return fmt.Errorf("can't open filterQueryFile: %v", err)
 		}
+	}
 	defer file.Close()
 
 	var queries [][]*filterQuery

cmd/workload/historytest.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"os"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -51,9 +52,16 @@ func newHistoryTestSuite(cfg testConfig) *historyTestSuite {
 
 func (s *historyTestSuite) loadTests() error {
 	file, err := s.cfg.fsys.Open(s.cfg.historyTestFile)
+	if err != nil {
+		// If not found in embedded FS, try to load it from disk
+		if !os.IsNotExist(err) {
+			return err
+		}
+		file, err = os.OpenFile(s.cfg.historyTestFile, os.O_RDONLY, 0666)
 		if err != nil {
 			return fmt.Errorf("can't open historyTestFile: %v", err)
 		}
+	}
 	defer file.Close()
 	if err := json.NewDecoder(file).Decode(&s.tests); err != nil {
 		return fmt.Errorf("invalid JSON in %s: %v", s.cfg.historyTestFile, err)

cmd/workload/historytestgen.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"math/big"
 	"os"
+	"path/filepath"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -137,11 +138,17 @@ func calcReceiptsHash(rcpt []*types.Receipt) common.Hash {
 }
 
 func writeJSON(fileName string, value any) {
+	// Ensure the directory exists
+	dir := filepath.Dir(fileName)
+	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+		exit(fmt.Errorf("failed to create directories: %w", err))
+	}
 	file, err := os.Create(fileName)
 	if err != nil {
 		exit(fmt.Errorf("error creating %s: %v", fileName, err))
 		return
 	}
 	defer file.Close()
+
 	json.NewEncoder(file).Encode(value)
 }

cmd/workload/testsuite.go

@@ -130,18 +130,42 @@ func testConfigFromCLI(ctx *cli.Context) (cfg testConfig) {
 	switch {
 	case ctx.Bool(testMainnetFlag.Name):
 		cfg.fsys = builtinTestFiles
+		if ctx.IsSet(filterQueryFileFlag.Name) {
+			cfg.filterQueryFile = ctx.String(filterQueryFileFlag.Name)
+		} else {
 			cfg.filterQueryFile = "queries/filter_queries_mainnet.json"
+		}
+		if ctx.IsSet(historyTestFileFlag.Name) {
+			cfg.historyTestFile = ctx.String(historyTestFileFlag.Name)
+		} else {
 			cfg.historyTestFile = "queries/history_mainnet.json"
+		}
+		if ctx.IsSet(traceTestFileFlag.Name) {
+			cfg.traceTestFile = ctx.String(traceTestFileFlag.Name)
+		} else {
+			cfg.traceTestFile = "queries/trace_mainnet.json"
+		}
 		cfg.historyPruneBlock = new(uint64)
 		*cfg.historyPruneBlock = history.PrunePoints[params.MainnetGenesisHash].BlockNumber
-		cfg.traceTestFile = "queries/trace_mainnet.json"
 	case ctx.Bool(testSepoliaFlag.Name):
 		cfg.fsys = builtinTestFiles
+		if ctx.IsSet(filterQueryFileFlag.Name) {
+			cfg.filterQueryFile = ctx.String(filterQueryFileFlag.Name)
+		} else {
 			cfg.filterQueryFile = "queries/filter_queries_sepolia.json"
+		}
+		if ctx.IsSet(historyTestFileFlag.Name) {
+			cfg.historyTestFile = ctx.String(historyTestFileFlag.Name)
+		} else {
 			cfg.historyTestFile = "queries/history_sepolia.json"
+		}
+		if ctx.IsSet(traceTestFileFlag.Name) {
+			cfg.traceTestFile = ctx.String(traceTestFileFlag.Name)
+		} else {
+			cfg.traceTestFile = "queries/trace_sepolia.json"
+		}
 		cfg.historyPruneBlock = new(uint64)
 		*cfg.historyPruneBlock = history.PrunePoints[params.SepoliaGenesisHash].BlockNumber
-		cfg.traceTestFile = "queries/trace_sepolia.json"
 	default:
 		cfg.fsys = os.DirFS(".")
 		cfg.filterQueryFile = ctx.String(filterQueryFileFlag.Name)

cmd/workload/tracetest.go

@@ -33,7 +33,7 @@ import (
 
 // traceTest is the content of a history test.
 type traceTest struct {
-	TxHashes     []common.Hash         `json:"txHashes"`
+	BlockHashes  []common.Hash         `json:"blockHashes"`
 	TraceConfigs []tracers.TraceConfig `json:"traceConfigs"`
 	ResultHashes []common.Hash         `json:"resultHashes"`
 }
@@ -57,15 +57,21 @@ func newTraceTestSuite(cfg testConfig, ctx *cli.Context) *traceTestSuite {
 
 func (s *traceTestSuite) loadTests() error {
 	file, err := s.cfg.fsys.Open(s.cfg.traceTestFile)
+	if err != nil {
+		// If not found in embedded FS, try to load it from disk
+		if !os.IsNotExist(err) {
+			return err
+		}
+		file, err = os.OpenFile(s.cfg.traceTestFile, os.O_RDONLY, 0666)
 		if err != nil {
 			return fmt.Errorf("can't open traceTestFile: %v", err)
 		}
+	}
 	defer file.Close()
-
 	if err := json.NewDecoder(file).Decode(&s.tests); err != nil {
 		return fmt.Errorf("invalid JSON in %s: %v", s.cfg.traceTestFile, err)
 	}
-	if len(s.tests.TxHashes) == 0 {
+	if len(s.tests.BlockHashes) == 0 {
 		return fmt.Errorf("traceTestFile %s has no test data", s.cfg.traceTestFile)
 	}
 	return nil
@@ -73,17 +79,17 @@ func (s *traceTestSuite) loadTests() error {
 
 func (s *traceTestSuite) allTests() []workloadTest {
 	return []workloadTest{
-		newArchiveWorkloadTest("Trace/Transaction", s.traceTransaction),
+		newArchiveWorkloadTest("Trace/Block", s.traceBlock),
 	}
 }
 
-// traceTransaction runs all transaction tracing tests
-func (s *traceTestSuite) traceTransaction(t *utesting.T) {
+// traceBlock runs all block tracing tests
+func (s *traceTestSuite) traceBlock(t *utesting.T) {
 	ctx := context.Background()
 
-	for i, hash := range s.tests.TxHashes {
+	for i, hash := range s.tests.BlockHashes {
 		config := s.tests.TraceConfigs[i]
-		result, err := s.cfg.client.Geth.TraceTransaction(ctx, hash, &config)
+		result, err := s.cfg.client.Geth.TraceBlock(ctx, hash, &config)
 		if err != nil {
 			t.Fatalf("Transaction %d (hash %v): error %v", i, hash, err)
 		}

cmd/workload/tracetestgen.go

@@ -36,8 +36,6 @@ import (
 )
 
 var (
-	defaultBlocksToTrace = 64 // the number of states assumed to be available
-
 	traceGenerateCommand = &cli.Command{
 		Name:      "tracegen",
 		Usage:     "Generates tests for state tracing",
@@ -46,7 +44,8 @@ var (
 		Flags: []cli.Flag{
 			traceTestFileFlag,
 			traceTestResultOutputFlag,
-			traceTestBlockFlag,
+			traceTestStartBlockFlag,
+			traceTestEndBlockFlag,
 		},
 	}
 
@@ -58,14 +57,18 @@ var (
 	}
 	traceTestResultOutputFlag = &cli.StringFlag{
 		Name:     "trace-output",
-		Usage:    "Folder containing the trace output files",
+		Usage:    "Folder containing detailed trace output files",
 		Value:    "",
 		Category: flags.TestingCategory,
 	}
-	traceTestBlockFlag = &cli.IntFlag{
-		Name:     "trace-blocks",
-		Usage:    "The number of blocks for tracing",
-		Value:    defaultBlocksToTrace,
+	traceTestStartBlockFlag = &cli.IntFlag{
+		Name:     "trace-start",
+		Usage:    "The number of starting block for tracing (included)",
+		Category: flags.TestingCategory,
+	}
+	traceTestEndBlockFlag = &cli.IntFlag{
+		Name:     "trace-end",
+		Usage:    "The number of ending block for tracing (excluded)",
 		Category: flags.TestingCategory,
 	}
 	traceTestInvalidOutputFlag = &cli.StringFlag{
@@ -81,21 +84,22 @@ func generateTraceTests(clictx *cli.Context) error {
 		client     = makeClient(clictx)
 		outputFile = clictx.String(traceTestFileFlag.Name)
 		outputDir  = clictx.String(traceTestResultOutputFlag.Name)
-		blocks     = clictx.Int(traceTestBlockFlag.Name)
+		startBlock = clictx.Int(traceTestStartBlockFlag.Name)
+		endBlock   = clictx.Int(traceTestEndBlockFlag.Name)
 		ctx        = context.Background()
 		test       = new(traceTest)
 	)
-	if outputDir != "" {
-		err := os.MkdirAll(outputDir, os.ModePerm)
-		if err != nil {
-			return err
-		}
-	}
 	latest, err := client.Eth.BlockNumber(ctx)
 	if err != nil {
 		exit(err)
 	}
-	if latest < uint64(blocks) {
+	if startBlock > endBlock {
+		exit(fmt.Errorf("invalid block range for tracing, start: %d, end: %d", startBlock, endBlock))
+	}
+	if endBlock-startBlock == 0 {
+		exit(fmt.Errorf("invalid block range for tracing, start: %d, end: %d", startBlock, endBlock))
+	}
+	if latest < uint64(startBlock) || latest < uint64(endBlock) {
 		exit(fmt.Errorf("node seems not synced, latest block is %d", latest))
 	}
 	// Get blocks and assign block info into the test
@@ -104,37 +108,35 @@ func generateTraceTests(clictx *cli.Context) error {
 		logged = time.Now()
 		failed int
 	)
-	log.Info("Trace transactions around the chain tip", "head", latest, "blocks", blocks)
+	log.Info("Trace transactions around the chain tip", "head", latest, "start", startBlock, "end", endBlock)
 
-	for i := 0; i < blocks; i++ {
-		number := latest - uint64(i)
-		block, err := client.Eth.BlockByNumber(ctx, big.NewInt(int64(number)))
+	for i := startBlock; i < endBlock; i++ {
+		header, err := client.Eth.HeaderByNumber(ctx, big.NewInt(int64(i)))
 		if err != nil {
 			exit(err)
 		}
-		for _, tx := range block.Transactions() {
 		config, configName := randomTraceOption()
-			result, err := client.Geth.TraceTransaction(ctx, tx.Hash(), config)
+		result, err := client.Geth.TraceBlock(ctx, header.Hash(), config)
 		if err != nil {
 			failed += 1
-				break
+			continue
 		}
 		blob, err := json.Marshal(result)
 		if err != nil {
 			failed += 1
-				break
+			continue
 		}
-			test.TxHashes = append(test.TxHashes, tx.Hash())
+		test.BlockHashes = append(test.BlockHashes, header.Hash())
 		test.TraceConfigs = append(test.TraceConfigs, *config)
 		test.ResultHashes = append(test.ResultHashes, crypto.Keccak256Hash(blob))
-			writeTraceResult(outputDir, tx.Hash(), result, configName)
-		}
+		writeTraceResult(outputDir, header.Hash(), result, configName)
+
 		if time.Since(logged) > time.Second*8 {
 			logged = time.Now()
-			log.Info("Tracing transactions", "executed", len(test.TxHashes), "failed", failed, "elapsed", common.PrettyDuration(time.Since(start)))
+			log.Info("Tracing blocks", "executed", len(test.BlockHashes), "failed", failed, "elapsed", common.PrettyDuration(time.Since(start)))
 		}
 	}
-	log.Info("Traced transactions", "executed", len(test.TxHashes), "failed", failed, "elapsed", common.PrettyDuration(time.Since(start)))
+	log.Info("Traced blocks", "executed", len(test.BlockHashes), "failed", failed, "elapsed", common.PrettyDuration(time.Since(start)))
 
 	// Write output file.
 	writeJSON(outputFile, test)
@@ -142,24 +144,15 @@ func generateTraceTests(clictx *cli.Context) error {
 }
 
 func randomTraceOption() (*tracers.TraceConfig, string) {
-	x := rand.Intn(11)
+	x := rand.Intn(10)
 	if x == 0 {
-		// struct-logger, with all fields enabled, very heavy
-		return &tracers.TraceConfig{
-			Config: &logger.Config{
-				EnableMemory:     true,
-				EnableReturnData: true,
-			},
-		}, "structAll"
-	}
-	if x == 1 {
 		// default options for struct-logger, with stack and storage capture
 		// enabled
 		return &tracers.TraceConfig{
 			Config: &logger.Config{},
 		}, "structDefault"
 	}
-	if x == 2 || x == 3 || x == 4 {
+	if x >= 1 && x <= 3 {
 		// struct-logger with storage capture enabled
 		return &tracers.TraceConfig{
 			Config: &logger.Config{
@@ -170,14 +163,18 @@ func randomTraceOption() (*tracers.TraceConfig, string) {
 	// Native tracer
 	loggers := []string{"callTracer", "4byteTracer", "flatCallTracer", "muxTracer", "noopTracer", "prestateTracer"}
 	return &tracers.TraceConfig{
-		Tracer: &loggers[x-5],
-	}, loggers[x-5]
+		Tracer: &loggers[x-4],
+	}, loggers[x-4]
 }
 
 func writeTraceResult(dir string, hash common.Hash, result any, configName string) {
 	if dir == "" {
 		return
 	}
+	// Ensure the directory exists
+	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+		exit(fmt.Errorf("failed to create directories: %w", err))
+	}
 	name := filepath.Join(dir, configName+"_"+hash.String())
 	file, err := os.Create(name)
 	if err != nil {

consensus/misc/eip4844/eip4844.go

@@ -71,11 +71,30 @@ func CalcExcessBlobGas(config *params.ChainConfig, parent *types.Header, headTim
 		parentExcessBlobGas = *parent.ExcessBlobGas
 		parentBlobGasUsed = *parent.BlobGasUsed
 	}
-	excessBlobGas := parentExcessBlobGas + parentBlobGasUsed
-	targetGas := uint64(targetBlobsPerBlock(config, headTimestamp)) * params.BlobTxBlobGasPerBlob
+	var (
+		excessBlobGas = parentExcessBlobGas + parentBlobGasUsed
+		target        = targetBlobsPerBlock(config, headTimestamp)
+		targetGas     = uint64(target) * params.BlobTxBlobGasPerBlob
+	)
 	if excessBlobGas < targetGas {
 		return 0
 	}
+	if !config.IsOsaka(config.LondonBlock, headTimestamp) {
+		// Pre-Osaka, we use the formula defined by EIP-4844.
+		return excessBlobGas - targetGas
+	}
+
+	// EIP-7918 (post-Osaka) introduces a different formula for computing excess.
+	var (
+		baseCost     = big.NewInt(params.BlobBaseCost)
+		reservePrice = baseCost.Mul(baseCost, parent.BaseFee)
+		blobPrice    = calcBlobPrice(config, parent)
+	)
+	if reservePrice.Cmp(blobPrice) > 0 {
+		max := MaxBlobsPerBlock(config, headTimestamp)
+		scaledExcess := parentBlobGasUsed * uint64(max-target) / uint64(max)
+		return parentExcessBlobGas + scaledExcess
+	}
 	return excessBlobGas - targetGas
 }
 
@@ -177,3 +196,9 @@ func fakeExponential(factor, numerator, denominator *big.Int) *big.Int {
 	}
 	return output.Div(output, denominator)
 }
+
+// calcBlobPrice calculates the blob price for a block.
+func calcBlobPrice(config *params.ChainConfig, header *types.Header) *big.Int {
+	blobBaseFee := CalcBlobFee(config, header)
+	return new(big.Int).Mul(blobBaseFee, big.NewInt(params.BlobTxBlobGasPerBlob))
+}

consensus/misc/eip4844/eip4844_test.go

@@ -127,3 +127,43 @@ func TestFakeExponential(t *testing.T) {
 		}
 	}
 }
+
+func TestCalcExcessBlobGasEIP7918(t *testing.T) {
+	var (
+		cfg           = params.MergedTestChainConfig
+		targetBlobs   = targetBlobsPerBlock(cfg, *cfg.CancunTime)
+		blobGasTarget = uint64(targetBlobs) * params.BlobTxBlobGasPerBlob
+	)
+	makeHeader := func(parentExcess, parentBaseFee uint64, blobsUsed int) *types.Header {
+		blobGasUsed := uint64(blobsUsed) * params.BlobTxBlobGasPerBlob
+		return &types.Header{
+			BaseFee:       big.NewInt(int64(parentBaseFee)),
+			ExcessBlobGas: &parentExcess,
+			BlobGasUsed:   &blobGasUsed,
+		}
+	}
+
+	tests := []struct {
+		name          string
+		header        *types.Header
+		wantExcessGas uint64
+	}{
+		{
+			name:          "BelowReservePrice",
+			header:        makeHeader(0, 1_000_000_000, targetBlobs),
+			wantExcessGas: blobGasTarget * 3 / 9,
+		},
+		{
+			name:          "AboveReservePrice",
+			header:        makeHeader(0, 1, targetBlobs),
+			wantExcessGas: 0,
+		},
+	}
+	for _, tc := range tests {
+		got := CalcExcessBlobGas(cfg, tc.header, *cfg.CancunTime)
+		if got != tc.wantExcessGas {
+			t.Fatalf("%s: excess-blob-gas mismatch – have %d, want %d",
+				tc.name, got, tc.wantExcessGas)
+		}
+	}
+}

core/block_validator.go

@@ -49,6 +49,10 @@ func NewBlockValidator(config *params.ChainConfig, blockchain *BlockChain) *Bloc
 // header's transaction and uncle roots. The headers are assumed to be already
 // validated at this point.
 func (v *BlockValidator) ValidateBody(block *types.Block) error {
+	// check EIP 7934 RLP-encoded block size cap
+	if v.config.IsOsaka(block.Number(), block.Time()) && block.Size() > params.MaxBlockSize {
+		return ErrBlockOversized
+	}
 	// Check whether the block is already imported.
 	if v.bc.HasBlockAndState(block.Hash(), block.NumberU64()) {
 		return ErrKnownBlock

core/error.go

@@ -28,6 +28,10 @@ var (
 
 	// ErrNoGenesis is returned when there is no Genesis Block.
 	ErrNoGenesis = errors.New("genesis not found in chain")
+
+	// ErrBlockOversized is returned if the size of the RLP-encoded block
+	// exceeds the cap established by EIP 7934
+	ErrBlockOversized = errors.New("block RLP-encoded size exceeds maximum")
 )
 
 // List of evm-call-message pre-checking errors. All state transition messages will
@@ -122,6 +126,9 @@ var (
 	// Message validation errors:
 	ErrEmptyAuthList   = errors.New("EIP-7702 transaction with empty auth list")
 	ErrSetCodeTxCreate = errors.New("EIP-7702 transaction cannot be used to create contract")
+
+	// -- EIP-7825 errors --
+	ErrGasLimitTooHigh = errors.New("transaction gas limit too high")
 )
 
 // EIP-7702 state transition errors.

core/filtermaps/filtermaps.go

@@ -185,11 +185,14 @@ type filterMapsRange struct {
 	initialized   bool
 	headIndexed   bool
 	headDelimiter uint64 // zero if headIndexed is false
+
 	// if initialized then all maps are rendered in the maps range
 	maps common.Range[uint32]
+
 	// if tailPartialEpoch > 0 then maps between firstRenderedMap-mapsPerEpoch and
 	// firstRenderedMap-mapsPerEpoch+tailPartialEpoch-1 are rendered
 	tailPartialEpoch uint32
+
 	// if initialized then all log values in the blocks range are fully
 	// rendered
 	// blockLvPointers are available in the blocks range
@@ -223,13 +226,15 @@ type Config struct {
 }
 
 // NewFilterMaps creates a new FilterMaps and starts the indexer.
-func NewFilterMaps(db ethdb.KeyValueStore, initView *ChainView, historyCutoff, finalBlock uint64, params Params, config Config) *FilterMaps {
+func NewFilterMaps(db ethdb.KeyValueStore, initView *ChainView, historyCutoff, finalBlock uint64, params Params, config Config) (*FilterMaps, error) {
 	rs, initialized, err := rawdb.ReadFilterMapsRange(db)
 	if err != nil || (initialized && rs.Version != databaseVersion) {
 		rs, initialized = rawdb.FilterMapsRange{}, false
 		log.Warn("Invalid log index database version; resetting log index")
 	}
-	params.deriveFields()
+	if err := params.sanitize(); err != nil {
+		return nil, err
+	}
 	f := &FilterMaps{
 		db:                db,
 		closeCh:           make(chan struct{}),
@@ -254,7 +259,6 @@ func NewFilterMaps(db ethdb.KeyValueStore, initView *ChainView, historyCutoff, f
 		},
 		// deleting last unindexed epoch might have been interrupted by shutdown
 		cleanedEpochsBefore: max(rs.MapsFirst>>params.logMapsPerEpoch, 1) - 1,
-
 		historyCutoff:       historyCutoff,
 		finalBlock:          finalBlock,
 		matcherSyncCh:       make(chan *FilterMapsMatcherBackend),
@@ -272,7 +276,7 @@ func NewFilterMaps(db ethdb.KeyValueStore, initView *ChainView, historyCutoff, f
 			"firstmap", f.indexedRange.maps.First(), "lastmap", f.indexedRange.maps.Last(),
 			"headindexed", f.indexedRange.headIndexed)
 	}
-	return f
+	return f, nil
 }
 
 // Start starts the indexer.
@@ -399,7 +403,7 @@ func (f *FilterMaps) init() error {
 	batch := f.db.NewBatch()
 	for epoch := range bestLen {
 		cp := checkpoints[bestIdx][epoch]
-		f.storeLastBlockOfMap(batch, (uint32(epoch+1)<<f.logMapsPerEpoch)-1, cp.BlockNumber, cp.BlockId)
+		f.storeLastBlockOfMap(batch, f.lastEpochMap(uint32(epoch)), cp.BlockNumber, cp.BlockId)
 		f.storeBlockLvPointer(batch, cp.BlockNumber, cp.FirstIndex)
 	}
 	fmr := filterMapsRange{
@@ -408,7 +412,7 @@ func (f *FilterMaps) init() error {
 	if bestLen > 0 {
 		cp := checkpoints[bestIdx][bestLen-1]
 		fmr.blocks = common.NewRange(cp.BlockNumber+1, 0)
-		fmr.maps = common.NewRange(uint32(bestLen)<<f.logMapsPerEpoch, 0)
+		fmr.maps = common.NewRange(f.firstEpochMap(uint32(bestLen)), 0)
 	}
 	f.setRange(batch, f.targetView, fmr, false)
 	return batch.Write()
@@ -578,9 +582,11 @@ func (f *FilterMaps) getFilterMapRows(mapIndices []uint32, rowIndex uint32, base
 	rows := make([]FilterRow, len(mapIndices))
 	var ptr int
 	for len(mapIndices) > ptr {
-		baseRowGroup := mapIndices[ptr] / f.baseRowGroupLength
-		groupLength := 1
-		for ptr+groupLength < len(mapIndices) && mapIndices[ptr+groupLength]/f.baseRowGroupLength == baseRowGroup {
+		var (
+			groupIndex  = f.mapGroupIndex(mapIndices[ptr])
+			groupLength = 1
+		)
+		for ptr+groupLength < len(mapIndices) && f.mapGroupIndex(mapIndices[ptr+groupLength]) == groupIndex {
 			groupLength++
 		}
 		if err := f.getFilterMapRowsOfGroup(rows[ptr:ptr+groupLength], mapIndices[ptr:ptr+groupLength], rowIndex, baseLayerOnly); err != nil {
@@ -594,17 +600,19 @@ func (f *FilterMaps) getFilterMapRows(mapIndices []uint32, rowIndex uint32, base
 // getFilterMapRowsOfGroup fetches a set of filter map rows at map indices
 // belonging to the same base row group.
 func (f *FilterMaps) getFilterMapRowsOfGroup(target []FilterRow, mapIndices []uint32, rowIndex uint32, baseLayerOnly bool) error {
-	baseRowGroup := mapIndices[0] / f.baseRowGroupLength
-	baseMapRowIndex := f.mapRowIndex(baseRowGroup*f.baseRowGroupLength, rowIndex)
-	baseRows, err := rawdb.ReadFilterMapBaseRows(f.db, baseMapRowIndex, f.baseRowGroupLength, f.logMapWidth)
+	var (
+		groupIndex  = f.mapGroupIndex(mapIndices[0])
+		mapRowIndex = f.mapRowIndex(groupIndex, rowIndex)
+	)
+	baseRows, err := rawdb.ReadFilterMapBaseRows(f.db, mapRowIndex, f.baseRowGroupSize, f.logMapWidth)
 	if err != nil {
-		return fmt.Errorf("failed to retrieve base row group %d of row %d: %v", baseRowGroup, rowIndex, err)
+		return fmt.Errorf("failed to retrieve base row group %d of row %d: %v", groupIndex, rowIndex, err)
 	}
 	for i, mapIndex := range mapIndices {
-		if mapIndex/f.baseRowGroupLength != baseRowGroup {
-			panic("mapIndices are not in the same base row group")
+		if f.mapGroupIndex(mapIndex) != groupIndex {
+			return fmt.Errorf("maps are not in the same base row group, index: %d, group: %d", mapIndex, groupIndex)
 		}
-		row := baseRows[mapIndex&(f.baseRowGroupLength-1)]
+		row := baseRows[f.mapGroupOffset(mapIndex)]
 		if !baseLayerOnly {
 			extRow, err := rawdb.ReadFilterMapExtRow(f.db, f.mapRowIndex(mapIndex, rowIndex), f.logMapWidth)
 			if err != nil {
@@ -621,15 +629,17 @@ func (f *FilterMaps) getFilterMapRowsOfGroup(target []FilterRow, mapIndices []ui
 // indices and a shared row index.
 func (f *FilterMaps) storeFilterMapRows(batch ethdb.Batch, mapIndices []uint32, rowIndex uint32, rows []FilterRow) error {
 	for len(mapIndices) > 0 {
-		baseRowGroup := mapIndices[0] / f.baseRowGroupLength
-		groupLength := 1
-		for groupLength < len(mapIndices) && mapIndices[groupLength]/f.baseRowGroupLength == baseRowGroup {
-			groupLength++
+		var (
+			pos        = 1
+			groupIndex = f.mapGroupIndex(mapIndices[0])
+		)
+		for pos < len(mapIndices) && f.mapGroupIndex(mapIndices[pos]) == groupIndex {
+			pos++
 		}
-		if err := f.storeFilterMapRowsOfGroup(batch, mapIndices[:groupLength], rowIndex, rows[:groupLength]); err != nil {
+		if err := f.storeFilterMapRowsOfGroup(batch, mapIndices[:pos], rowIndex, rows[:pos]); err != nil {
 			return err
 		}
-		mapIndices, rows = mapIndices[groupLength:], rows[groupLength:]
+		mapIndices, rows = mapIndices[pos:], rows[pos:]
 	}
 	return nil
 }
@@ -637,21 +647,23 @@ func (f *FilterMaps) storeFilterMapRows(batch ethdb.Batch, mapIndices []uint32,
 // storeFilterMapRowsOfGroup stores a set of filter map rows at map indices
 // belonging to the same base row group.
 func (f *FilterMaps) storeFilterMapRowsOfGroup(batch ethdb.Batch, mapIndices []uint32, rowIndex uint32, rows []FilterRow) error {
-	baseRowGroup := mapIndices[0] / f.baseRowGroupLength
-	baseMapRowIndex := f.mapRowIndex(baseRowGroup*f.baseRowGroupLength, rowIndex)
-	var baseRows [][]uint32
-	if uint32(len(mapIndices)) != f.baseRowGroupLength { // skip base rows read if all rows are replaced
+	var (
+		baseRows    [][]uint32
+		groupIndex  = f.mapGroupIndex(mapIndices[0])
+		mapRowIndex = f.mapRowIndex(groupIndex, rowIndex)
+	)
+	if uint32(len(mapIndices)) != f.baseRowGroupSize { // skip base rows read if all rows are replaced
 		var err error
-		baseRows, err = rawdb.ReadFilterMapBaseRows(f.db, baseMapRowIndex, f.baseRowGroupLength, f.logMapWidth)
+		baseRows, err = rawdb.ReadFilterMapBaseRows(f.db, mapRowIndex, f.baseRowGroupSize, f.logMapWidth)
 		if err != nil {
-			return fmt.Errorf("failed to retrieve base row group %d of row %d for modification: %v", baseRowGroup, rowIndex, err)
+			return fmt.Errorf("failed to retrieve filter map %d base rows %d for modification: %v", groupIndex, rowIndex, err)
 		}
 	} else {
-		baseRows = make([][]uint32, f.baseRowGroupLength)
+		baseRows = make([][]uint32, f.baseRowGroupSize)
 	}
 	for i, mapIndex := range mapIndices {
-		if mapIndex/f.baseRowGroupLength != baseRowGroup {
-			panic("mapIndices are not in the same base row group")
+		if f.mapGroupIndex(mapIndex) != groupIndex {
+			return fmt.Errorf("maps are not in the same base row group, index: %d, group: %d", mapIndex, groupIndex)
 		}
 		baseRow := []uint32(rows[i])
 		var extRow FilterRow
@@ -659,10 +671,10 @@ func (f *FilterMaps) storeFilterMapRowsOfGroup(batch ethdb.Batch, mapIndices []u
 			extRow = baseRow[f.baseRowLength:]
 			baseRow = baseRow[:f.baseRowLength]
 		}
-		baseRows[mapIndex&(f.baseRowGroupLength-1)] = baseRow
+		baseRows[f.mapGroupOffset(mapIndex)] = baseRow
 		rawdb.WriteFilterMapExtRow(batch, f.mapRowIndex(mapIndex, rowIndex), extRow, f.logMapWidth)
 	}
-	rawdb.WriteFilterMapBaseRows(batch, baseMapRowIndex, baseRows, f.logMapWidth)
+	rawdb.WriteFilterMapBaseRows(batch, mapRowIndex, baseRows, f.logMapWidth)
 	return nil
 }
 
@@ -747,12 +759,12 @@ func (f *FilterMaps) deleteTailEpoch(epoch uint32) (bool, error) {
 	defer f.indexLock.Unlock()
 
 	// determine epoch boundaries
-	firstMap := epoch << f.logMapsPerEpoch
-	lastBlock, _, err := f.getLastBlockOfMap(firstMap + f.mapsPerEpoch - 1)
+	lastBlock, _, err := f.getLastBlockOfMap(f.lastEpochMap(epoch))
 	if err != nil {
 		return false, fmt.Errorf("failed to retrieve last block of deleted epoch %d: %v", epoch, err)
 	}
 	var firstBlock uint64
+	firstMap := f.firstEpochMap(epoch)
 	if epoch > 0 {
 		firstBlock, _, err = f.getLastBlockOfMap(firstMap - 1)
 		if err != nil {
@@ -763,8 +775,8 @@ func (f *FilterMaps) deleteTailEpoch(epoch uint32) (bool, error) {
 	// update rendered range if necessary
 	var (
 		fmr            = f.indexedRange
-		firstEpoch     = f.indexedRange.maps.First() >> f.logMapsPerEpoch
-		afterLastEpoch = (f.indexedRange.maps.AfterLast() + f.mapsPerEpoch - 1) >> f.logMapsPerEpoch
+		firstEpoch     = f.mapEpoch(f.indexedRange.maps.First())
+		afterLastEpoch = f.mapEpoch(f.indexedRange.maps.AfterLast() + f.mapsPerEpoch - 1)
 	)
 	if f.indexedRange.tailPartialEpoch != 0 && firstEpoch > 0 {
 		firstEpoch--
@@ -776,7 +788,7 @@ func (f *FilterMaps) deleteTailEpoch(epoch uint32) (bool, error) {
 		// first fully or partially rendered epoch and there is at least one
 		// rendered map in the next epoch; remove from indexed range
 		fmr.tailPartialEpoch = 0
-		fmr.maps.SetFirst((epoch + 1) << f.logMapsPerEpoch)
+		fmr.maps.SetFirst(f.firstEpochMap(epoch + 1))
 		fmr.blocks.SetFirst(lastBlock + 1)
 		f.setRange(f.db, f.indexedView, fmr, false)
 	default:
@@ -857,7 +869,7 @@ func (f *FilterMaps) exportCheckpoints() {
 	w.WriteString("[\n")
 	comma := ","
 	for epoch := uint32(0); epoch < epochCount; epoch++ {
-		lastBlock, lastBlockId, err := f.getLastBlockOfMap((epoch+1)<<f.logMapsPerEpoch - 1)
+		lastBlock, lastBlockId, err := f.getLastBlockOfMap(f.lastEpochMap(epoch))
 		if err != nil {
 			log.Error("Error fetching last block of epoch", "epoch", epoch, "error", err)
 			return

core/filtermaps/indexer.go

@@ -281,7 +281,7 @@ func (f *FilterMaps) tryIndexHead() error {
 // is changed.
 func (f *FilterMaps) tryIndexTail() (bool, error) {
 	for {
-		firstEpoch := f.indexedRange.maps.First() >> f.logMapsPerEpoch
+		firstEpoch := f.mapEpoch(f.indexedRange.maps.First())
 		if firstEpoch == 0 || !f.needTailEpoch(firstEpoch-1) {
 			break
 		}
@@ -359,7 +359,7 @@ func (f *FilterMaps) tryIndexTail() (bool, error) {
 // Note that unindexing is very quick as it only removes continuous ranges of
 // data from the database and is also called while running head indexing.
 func (f *FilterMaps) tryUnindexTail() (bool, error) {
-	firstEpoch := f.indexedRange.maps.First() >> f.logMapsPerEpoch
+	firstEpoch := f.mapEpoch(f.indexedRange.maps.First())
 	if f.indexedRange.tailPartialEpoch > 0 && firstEpoch > 0 {
 		firstEpoch--
 	}
@@ -392,11 +392,11 @@ func (f *FilterMaps) tryUnindexTail() (bool, error) {
 // needTailEpoch returns true if the given tail epoch needs to be kept
 // according to the current tail target, false if it can be removed.
 func (f *FilterMaps) needTailEpoch(epoch uint32) bool {
-	firstEpoch := f.indexedRange.maps.First() >> f.logMapsPerEpoch
+	firstEpoch := f.mapEpoch(f.indexedRange.maps.First())
 	if epoch > firstEpoch {
 		return true
 	}
-	if (epoch+1)<<f.logMapsPerEpoch >= f.indexedRange.maps.AfterLast() {
+	if f.firstEpochMap(epoch+1) >= f.indexedRange.maps.AfterLast() {
 		return true
 	}
 	if epoch+1 < firstEpoch {
@@ -405,7 +405,7 @@ func (f *FilterMaps) needTailEpoch(epoch uint32) bool {
 	var lastBlockOfPrevEpoch uint64
 	if epoch > 0 {
 		var err error
-		lastBlockOfPrevEpoch, _, err = f.getLastBlockOfMap(epoch<<f.logMapsPerEpoch - 1)
+		lastBlockOfPrevEpoch, _, err = f.getLastBlockOfMap(f.lastEpochMap(epoch - 1))
 		if err != nil {
 			log.Error("Could not get last block of previous epoch", "epoch", epoch-1, "error", err)
 			return epoch >= firstEpoch
@@ -414,7 +414,7 @@ func (f *FilterMaps) needTailEpoch(epoch uint32) bool {
 	if f.historyCutoff > lastBlockOfPrevEpoch {
 		return false
 	}
-	lastBlockOfEpoch, _, err := f.getLastBlockOfMap((epoch+1)<<f.logMapsPerEpoch - 1)
+	lastBlockOfEpoch, _, err := f.getLastBlockOfMap(f.lastEpochMap(epoch))
 	if err != nil {
 		log.Error("Could not get last block of epoch", "epoch", epoch, "error", err)
 		return epoch >= firstEpoch

core/filtermaps/indexer_test.go

@@ -41,7 +41,7 @@ var testParams = Params{
 	logMapWidth:        24,
 	logMapsPerEpoch:    4,
 	logValuesPerMap:    4,
-	baseRowGroupLength: 4,
+	baseRowGroupSize:   4,
 	baseRowLengthRatio: 2,
 	logLayerDiff:       2,
 }
@@ -370,7 +370,7 @@ func (ts *testSetup) setHistory(history uint64, noHistory bool) {
 		History:  history,
 		Disabled: noHistory,
 	}
-	ts.fm = NewFilterMaps(ts.db, view, 0, 0, ts.params, config)
+	ts.fm, _ = NewFilterMaps(ts.db, view, 0, 0, ts.params, config)
 	ts.fm.testDisableSnapshots = ts.testDisableSnapshots
 	ts.fm.Start()
 }

core/filtermaps/map_renderer.go

@@ -284,7 +284,7 @@ func (r *mapRenderer) run(stopCb func() bool, writeCb func()) (bool, error) {
 		// map finished
 		r.finishedMaps[r.currentMap.mapIndex] = r.currentMap
 		r.finished.SetLast(r.finished.AfterLast())
-		if len(r.finishedMaps) >= maxMapsPerBatch || r.finished.AfterLast()&(r.f.baseRowGroupLength-1) == 0 {
+		if len(r.finishedMaps) >= maxMapsPerBatch || r.f.mapGroupOffset(r.finished.AfterLast()) == 0 {
 			if err := r.writeFinishedMaps(stopCb); err != nil {
 				return false, err
 			}

core/filtermaps/matcher.go

@@ -844,7 +844,7 @@ func (m *matchSequenceInstance) dropNext(mapIndex uint32) bool {
 // results at mapIndex and mapIndex+1. Note that acquiring nextNextRes may be
 // skipped and it can be substituted with an empty list if baseRes has no potential
 // matches that could be sequence matched with anything that could be in nextNextRes.
-func (params *Params) matchResults(mapIndex uint32, offset uint64, baseRes, nextRes potentialMatches) potentialMatches {
+func (p *Params) matchResults(mapIndex uint32, offset uint64, baseRes, nextRes potentialMatches) potentialMatches {
 	if nextRes == nil || (baseRes != nil && len(baseRes) == 0) {
 		// if nextRes is a wild card or baseRes is empty then the sequence matcher
 		// result equals baseRes.
@@ -854,7 +854,7 @@ func (params *Params) matchResults(mapIndex uint32, offset uint64, baseRes, next
 		// if baseRes is a wild card or nextRes is empty then the sequence matcher
 		// result is the items of nextRes with a negative offset applied.
 		result := make(potentialMatches, 0, len(nextRes))
-		min := (uint64(mapIndex) << params.logValuesPerMap) + offset
+		min := (uint64(mapIndex) << p.logValuesPerMap) + offset
 		for _, v := range nextRes {
 			if v >= min {
 				result = append(result, v-offset)

core/filtermaps/math.go

@@ -19,6 +19,7 @@ package filtermaps
 import (
 	"crypto/sha256"
 	"encoding/binary"
+	"fmt"
 	"hash/fnv"
 	"math"
 	"sort"
@@ -28,19 +29,36 @@ import (
 
 // Params defines the basic parameters of the log index structure.
 type Params struct {
-	logMapHeight       uint // log2(mapHeight)
-	logMapWidth        uint // log2(mapWidth)
-	logMapsPerEpoch    uint // log2(mapsPerEpoch)
-	logValuesPerMap    uint // log2(logValuesPerMap)
-	baseRowLengthRatio uint // baseRowLength / average row length
-	logLayerDiff       uint // maxRowLength log2 growth per layer
-	// derived fields
-	mapHeight     uint32 // filter map height (number of rows)
-	mapsPerEpoch  uint32 // number of maps in an epoch
+	logMapHeight    uint // The number of bits required to represent the map height
+	logMapWidth     uint // The number of bits required to represent the map width
+	logMapsPerEpoch uint // The number of bits required to represent the number of maps per epoch
+	logValuesPerMap uint // The number of bits required to represent the number of log values per map
+
+	// baseRowLengthRatio represents the ratio of base row length
+	// to the average row length.
+	baseRowLengthRatio uint
+
+	// logLayerDiff defines the logarithmic growth factor (base 2) of
+	// the maximum row length per layer. It indicates how much the maximum
+	// row length increases as the layer depth increases.
+	//
+	// Specifically:
+	// - the row length in base layer (layer == 0) is baseRowLength
+	// - the row length in layer x is baseRowLength << (logLayerDiff * x)
+	logLayerDiff uint
+
+	// These fields can be derived with the information above
+	mapHeight     uint32 // The number of rows in the filter map
+	mapsPerEpoch  uint32 // The number of maps in an epoch
+	valuesPerMap  uint64 // The number of log values marked on each filter map
 	baseRowLength uint32 // maximum number of log values per row on layer 0
-	valuesPerMap  uint64 // number of log values marked on each filter map
-	// not affecting consensus
-	baseRowGroupLength uint32 // length of base row groups in local database
+
+	// baseRowGroupSize defines the number of base row entries grouped together
+	// as a single database entry in the local database to optimize storage
+	// and retrieval efficiency.
+	//
+	// This value can be configured based on the specific implementation.
+	baseRowGroupSize uint32
 }
 
 // DefaultParams is the set of parameters used on mainnet.
@@ -49,7 +67,7 @@ var DefaultParams = Params{
 	logMapWidth:        24,
 	logMapsPerEpoch:    10,
 	logValuesPerMap:    16,
-	baseRowGroupLength: 32,
+	baseRowGroupSize:   32,
 	baseRowLengthRatio: 8,
 	logLayerDiff:       4,
 }
@@ -60,7 +78,7 @@ var RangeTestParams = Params{
 	logMapWidth:        24,
 	logMapsPerEpoch:    0,
 	logValuesPerMap:    0,
-	baseRowGroupLength: 32,
+	baseRowGroupSize:   32,
 	baseRowLengthRatio: 16, // baseRowLength >= 1
 	logLayerDiff:       4,
 }
@@ -91,6 +109,44 @@ func topicValue(topic common.Hash) common.Hash {
 	return result
 }
 
+// sanitize derives any missing fields and validates the parameter values.
+func (p *Params) sanitize() error {
+	p.deriveFields()
+	if p.logMapWidth%8 != 0 {
+		return fmt.Errorf("invalid configuration: logMapWidth (%d) must be a multiple of 8", p.logMapWidth)
+	}
+	if p.baseRowGroupSize == 0 || (p.baseRowGroupSize&(p.baseRowGroupSize-1)) != 0 {
+		return fmt.Errorf("invalid configuration: baseRowGroupSize (%d) must be a power of 2", p.baseRowGroupSize)
+	}
+	return nil
+}
+
+// mapGroupIndex returns the start index of the base row group that contains the
+// given map index. Assumes baseRowGroupSize is a power of 2.
+func (p *Params) mapGroupIndex(index uint32) uint32 {
+	return index & ^(p.baseRowGroupSize - 1)
+}
+
+// mapGroupOffset returns the offset of the given map index within its base row group.
+func (p *Params) mapGroupOffset(index uint32) uint32 {
+	return index & (p.baseRowGroupSize - 1)
+}
+
+// mapEpoch returns the epoch number that the given map index belongs to.
+func (p *Params) mapEpoch(index uint32) uint32 {
+	return index >> p.logMapsPerEpoch
+}
+
+// firstEpochMap returns the index of the first map in the specified epoch.
+func (p *Params) firstEpochMap(epoch uint32) uint32 {
+	return epoch << p.logMapsPerEpoch
+}
+
+// lastEpochMap returns the index of the last map in the specified epoch.
+func (p *Params) lastEpochMap(epoch uint32) uint32 {
+	return (epoch+1)<<p.logMapsPerEpoch - 1
+}
+
 // rowIndex returns the row index in which the given log value should be marked
 // on the given map and mapping layer. Note that row assignments are re-shuffled
 // with a different frequency on each mapping layer, allowing efficient disk
@@ -125,17 +181,20 @@ func (p *Params) columnIndex(lvIndex uint64, logValue *common.Hash) uint32 {
 	return uint32(lvIndex%p.valuesPerMap)<<hashBits + (uint32(hash>>(64-hashBits)) ^ uint32(hash)>>(32-hashBits))
 }
 
-// maxRowLength returns the maximum length filter rows are populated up to
-// when using the given mapping layer. A log value can be marked on the map
-// according to a given mapping layer if the row mapping on that layer points
-// to a row that has not yet reached the maxRowLength belonging to that layer.
+// maxRowLength returns the maximum length filter rows are populated up to when
+// using the given mapping layer.
+//
+// A log value can be marked on the map according to a given mapping layer if
+// the row mapping on that layer points to a row that has not yet reached the
+// maxRowLength belonging to that layer.
+//
 // This means that a row that is considered full on a given layer may still be
 // extended further on a higher order layer.
+//
 // Each value is marked on the lowest order layer possible, assuming that marks
-// are added in ascending log value index order.
-// When searching for a log value one should consider all layers and process
-// corresponding rows up until the first one where the row mapped to the given
-// layer is not full.
+// are added in ascending log value index order. When searching for a log value
+// one should consider all layers and process corresponding rows up until the
+// first one where the row mapped to the given layer is not full.
 func (p *Params) maxRowLength(layerIndex uint32) uint32 {
 	logLayerDiff := uint(layerIndex) * p.logLayerDiff
 	if logLayerDiff > p.logMapsPerEpoch {

core/rawdb/accessors_indexes.go

@@ -388,7 +388,7 @@ func ReadFilterMapBaseRows(db ethdb.KeyValueReader, mapRowIndex uint64, rowCount
 		headerBits--
 	}
 	if headerLen+byteLength*entryCount > encLen {
-		return nil, errors.New("Invalid encoded base filter rows length")
+		return nil, errors.New("invalid encoded base filter rows length")
 	}
 	if entriesInRow > 0 {
 		rows[rowIndex] = make([]uint32, entriesInRow)
@@ -405,8 +405,8 @@ func ReadFilterMapBaseRows(db ethdb.KeyValueReader, mapRowIndex uint64, rowCount
 	return rows, nil
 }
 
-// WriteFilterMapExtRow stores a filter map row at the given mapRowIndex or deletes
-// any existing entry if the row is empty.
+// WriteFilterMapExtRow stores an extended filter map row at the given mapRowIndex
+// or deletes any existing entry if the row is empty.
 func WriteFilterMapExtRow(db ethdb.KeyValueWriter, mapRowIndex uint64, row []uint32, bitLength uint) {
 	byteLength := int(bitLength) / 8
 	if int(bitLength) != byteLength*8 {

core/rawdb/schema.go

@@ -125,8 +125,8 @@ var (
 	StateHistoryIndexPrefix           = []byte("m")   // The global prefix of state history index data
 	StateHistoryAccountMetadataPrefix = []byte("ma")  // StateHistoryAccountMetadataPrefix + account address hash => account metadata
 	StateHistoryStorageMetadataPrefix = []byte("ms")  // StateHistoryStorageMetadataPrefix + account address hash + storage slot hash => slot metadata
-	StateHistoryAccountBlockPrefix    = []byte("mba") // StateHistoryAccountBlockPrefix + account address hash + block_number => account block
-	StateHistoryStorageBlockPrefix    = []byte("mbs") // StateHistoryStorageBlockPrefix + account address hash + storage slot hash + block_number => slot block
+	StateHistoryAccountBlockPrefix    = []byte("mba") // StateHistoryAccountBlockPrefix + account address hash + blockID => account block
+	StateHistoryStorageBlockPrefix    = []byte("mbs") // StateHistoryStorageBlockPrefix + account address hash + storage slot hash + blockID => slot block
 
 	// VerklePrefix is the database prefix for Verkle trie data, which includes:
 	// (a) Trie nodes

core/state/statedb.go

@@ -389,6 +389,15 @@ func (s *StateDB) GetCommittedState(addr common.Address, hash common.Hash) commo
 	return common.Hash{}
 }
 
+// GetStateAndCommittedState returns the current value and the original value.
+func (s *StateDB) GetStateAndCommittedState(addr common.Address, hash common.Hash) (common.Hash, common.Hash) {
+	stateObject := s.getStateObject(addr)
+	if stateObject != nil {
+		return stateObject.getState(hash)
+	}
+	return common.Hash{}, common.Hash{}
+}
+
 // Database retrieves the low level database supporting the lower level trie ops.
 func (s *StateDB) Database() Database {
 	return s.db

core/state/statedb_hooked.go

@@ -85,8 +85,8 @@ func (s *hookedStateDB) GetRefund() uint64 {
 	return s.inner.GetRefund()
 }
 
-func (s *hookedStateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
-	return s.inner.GetCommittedState(addr, hash)
+func (s *hookedStateDB) GetStateAndCommittedState(addr common.Address, hash common.Hash) (common.Hash, common.Hash) {
+	return s.inner.GetStateAndCommittedState(addr, hash)
 }
 
 func (s *hookedStateDB) GetState(addr common.Address, hash common.Hash) common.Hash {

core/state_transition.go

@@ -394,6 +394,10 @@ func (st *stateTransition) preCheck() error {
 			return fmt.Errorf("%w (sender %v)", ErrEmptyAuthList, msg.From)
 		}
 	}
+	// Verify tx gas limit does not exceed EIP-7825 cap.
+	if st.evm.ChainConfig().IsOsaka(st.evm.Context.BlockNumber, st.evm.Context.Time) && msg.GasLimit > params.MaxTxGas {
+		return fmt.Errorf("%w (cap: %d, tx: %d)", ErrGasLimitTooHigh, params.MaxTxGas, msg.GasLimit)
+	}
 	return st.buyGas()
 }
 

core/txpool/blobpool/blobpool.go

@@ -1638,6 +1638,11 @@ func (p *BlobPool) Pending(filter txpool.PendingFilter) map[common.Address][]*tx
 					break // blobfee too low, cannot be included, discard rest of txs from the account
 				}
 			}
+			if filter.GasLimitCap != 0 {
+				if tx.execGas > filter.GasLimitCap {
+					break // execution gas limit is too high
+				}
+			}
 			// Transaction was accepted according to the filter, append to the pending list
 			lazies = append(lazies, &txpool.LazyTransaction{
 				Pool:      p,

core/txpool/blobpool/limbo.go

@@ -116,7 +116,7 @@ func (l *limbo) finalize(final *types.Header) {
 	// Just in case there's no final block yet (network not yet merged, weird
 	// restart, sethead, etc), fail gracefully.
 	if final == nil {
-		log.Error("Nil finalized block cannot evict old blobs")
+		log.Warn("Nil finalized block cannot evict old blobs")
 		return
 	}
 	for block, ids := range l.groups {
@@ -139,11 +139,11 @@ func (l *limbo) push(tx *types.Transaction, block uint64) error {
 	// If the blobs are already tracked by the limbo, consider it a programming
 	// error. There's not much to do against it, but be loud.
 	if _, ok := l.index[tx.Hash()]; ok {
-		log.Error("Limbo cannot push already tracked blobs", "tx", tx)
+		log.Error("Limbo cannot push already tracked blobs", "tx", tx.Hash())
 		return errors.New("already tracked blob transaction")
 	}
 	if err := l.setAndIndex(tx, block); err != nil {
-		log.Error("Failed to set and index limboed blobs", "tx", tx, "err", err)
+		log.Error("Failed to set and index limboed blobs", "tx", tx.Hash(), "err", err)
 		return err
 	}
 	return nil

core/txpool/legacypool/legacypool.go

@@ -530,13 +530,21 @@ func (pool *LegacyPool) Pending(filter txpool.PendingFilter) map[common.Address]
 		txs := list.Flatten()
 
 		// If the miner requests tip enforcement, cap the lists now
-		if minTipBig != nil {
+		if minTipBig != nil || filter.GasLimitCap != 0 {
 			for i, tx := range txs {
+				if minTipBig != nil {
 					if tx.EffectiveGasTipIntCmp(minTipBig, baseFeeBig) < 0 {
 						txs = txs[:i]
 						break
 					}
 				}
+				if filter.GasLimitCap != 0 {
+					if tx.Gas() > filter.GasLimitCap {
+						txs = txs[:i]
+						break
+					}
+				}
+			}
 		}
 		if len(txs) > 0 {
 			lazies := make([]*txpool.LazyTransaction, len(txs))
@@ -1255,6 +1263,21 @@ func (pool *LegacyPool) runReorg(done chan struct{}, reset *txpoolResetRequest,
 	}
 	pool.mu.Lock()
 	if reset != nil {
+		if reset.newHead != nil && reset.oldHead != nil {
+			// Discard the transactions with the gas limit higher than the cap.
+			if pool.chainconfig.IsOsaka(reset.newHead.Number, reset.newHead.Time) && !pool.chainconfig.IsOsaka(reset.oldHead.Number, reset.oldHead.Time) {
+				var hashes []common.Hash
+				pool.all.Range(func(hash common.Hash, tx *types.Transaction) bool {
+					if tx.Gas() > params.MaxTxGas {
+						hashes = append(hashes, hash)
+					}
+					return true
+				})
+				for _, hash := range hashes {
+					pool.removeTx(hash, true, true)
+				}
+			}
+		}
 		// Reset from the old head to the new, rescheduling any reorged transactions
 		pool.reset(reset.oldHead, reset.newHead)
 

core/txpool/subpool.go

@@ -76,6 +76,7 @@ type PendingFilter struct {
 	MinTip      *uint256.Int // Minimum miner tip required to include a transaction
 	BaseFee     *uint256.Int // Minimum 1559 basefee needed to include a transaction
 	BlobFee     *uint256.Int // Minimum 4844 blobfee needed to include a blob transaction
+	GasLimitCap uint64       // Maximum gas can be used for a single transaction execution (0 means no limit)
 
 	OnlyPlainTxs bool // Return only plain EVM transactions (peer-join announces, block space filling)
 	OnlyBlobTxs  bool // Return only blob transactions (block blob-space filling)

core/txpool/validation.go

@@ -90,6 +90,9 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types
 	if rules.IsShanghai && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
 		return fmt.Errorf("%w: code size %v, limit %v", core.ErrMaxInitCodeSizeExceeded, len(tx.Data()), params.MaxInitCodeSize)
 	}
+	if rules.IsOsaka && tx.Gas() > params.MaxTxGas {
+		return fmt.Errorf("%w (cap: %d, tx: %d)", core.ErrGasLimitTooHigh, params.MaxTxGas, tx.Gas())
+	}
 	// Transactions can't be negative. This may never happen using RLP decoded
 	// transactions but may occur for transactions created using the RPC.
 	if tx.Value().Sign() < 0 {

core/types/block_test.go

@@ -24,11 +24,13 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/internal/blocktest"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/holiman/uint256"
 )
 
 // from bcValidBlockTest.json, "SimpleTx"
@@ -194,6 +196,60 @@ func TestEIP2718BlockEncoding(t *testing.T) {
 	}
 }
 
+func TestEIP4844BlockEncoding(t *testing.T) {
+	// https://github.com/ethereum/tests/blob/develop/BlockchainTests/ValidBlocks/bcEIP4844-blobtransactions/blockWithAllTransactionTypes.json
+	blockEnc := common.FromHex("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")
+	var block Block
+	if err := rlp.DecodeBytes(blockEnc, &block); err != nil {
+		t.Fatal("decode error: ", err)
+	}
+
+	check := func(f string, got, want interface{}) {
+		if !reflect.DeepEqual(got, want) {
+			t.Errorf("%s mismatch: got %v, want %v", f, got, want)
+		}
+	}
+	check("Difficulty", block.Difficulty(), big.NewInt(0))
+	check("GasLimit", block.GasLimit(), hexutil.MustDecodeUint64("0x16345785d8a0000"))
+	check("GasUsed", block.GasUsed(), hexutil.MustDecodeUint64("0x14820"))
+	check("Coinbase", block.Coinbase(), common.HexToAddress("0xba5e000000000000000000000000000000000000"))
+	check("MixDigest", block.MixDigest(), common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000020000"))
+	check("Root", block.Root(), common.HexToHash("0x11639dcca0b44f2acb5b630a82c8a69cb82742b3711383ec4e111a554d27aea5"))
+	check("WithdrawalRoot", *block.Header().WithdrawalsHash, common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"))
+	check("Nonce", block.Nonce(), uint64(0))
+	check("Time", block.Time(), hexutil.MustDecodeUint64("0x79e"))
+	check("Size", block.Size(), uint64(len(blockEnc)))
+
+	// Create blob tx.
+	tx := NewTx(&BlobTx{
+		ChainID:    uint256.NewInt(1),
+		Nonce:      3,
+		To:         common.HexToAddress("0x100000000000000000000000000000000000000a"),
+		Gas:        hexutil.MustDecodeUint64("0xe8d4a51000"),
+		GasTipCap:  uint256.MustFromHex("0x1"),
+		GasFeeCap:  uint256.MustFromHex("0x3e8"),
+		BlobFeeCap: uint256.MustFromHex("0xa"),
+		BlobHashes: []common.Hash{
+			common.BytesToHash(hexutil.MustDecode("0x01a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8")),
+		},
+		Value: uint256.MustFromHex("0x7"),
+	})
+	sig := common.Hex2Bytes("00638144c46d5de7a9e630c0e7c5c63ae829ecfd8cc94715d9c29fe17c464de06c5fc54c3aa868ba35ef31a4e12431611631ab7bcdceb4214dd273d83f73b5e100")
+	tx, _ = tx.WithSignature(LatestSignerForChainID(big.NewInt(1)), sig)
+
+	check("len(Transactions)", len(block.Transactions()), 4)
+	check("Transactions[3].Hash", block.Transactions()[3].Hash(), tx.Hash())
+	check("Transactions[3].Type()", block.Transactions()[3].Type(), uint8(BlobTxType))
+
+	ourBlockEnc, err := rlp.EncodeToBytes(&block)
+	if err != nil {
+		t.Fatal("encode error: ", err)
+	}
+	if !bytes.Equal(ourBlockEnc, blockEnc) {
+		t.Errorf("encoded block mismatch:\ngot:  %x\nwant: %x", ourBlockEnc, blockEnc)
+	}
+}
+
 func TestUncleHash(t *testing.T) {
 	uncles := make([]*Header, 0)
 	h := CalcUncleHash(uncles)

core/types/gen_log_json.go

@@ -22,7 +22,7 @@ func (l Log) MarshalJSON() ([]byte, error) {
 		TxHash         common.Hash    `json:"transactionHash" gencodec:"required" rlp:"-"`
 		TxIndex        hexutil.Uint   `json:"transactionIndex" rlp:"-"`
 		BlockHash      common.Hash    `json:"blockHash" rlp:"-"`
-		BlockTimestamp uint64         `json:"blockTimestamp" rlp:"-"`
+		BlockTimestamp hexutil.Uint64 `json:"blockTimestamp" rlp:"-"`
 		Index          hexutil.Uint   `json:"logIndex" rlp:"-"`
 		Removed        bool           `json:"removed" rlp:"-"`
 	}
@@ -34,7 +34,7 @@ func (l Log) MarshalJSON() ([]byte, error) {
 	enc.TxHash = l.TxHash
 	enc.TxIndex = hexutil.Uint(l.TxIndex)
 	enc.BlockHash = l.BlockHash
-	enc.BlockTimestamp = l.BlockTimestamp
+	enc.BlockTimestamp = hexutil.Uint64(l.BlockTimestamp)
 	enc.Index = hexutil.Uint(l.Index)
 	enc.Removed = l.Removed
 	return json.Marshal(&enc)
@@ -50,7 +50,7 @@ func (l *Log) UnmarshalJSON(input []byte) error {
 		TxHash         *common.Hash    `json:"transactionHash" gencodec:"required" rlp:"-"`
 		TxIndex        *hexutil.Uint   `json:"transactionIndex" rlp:"-"`
 		BlockHash      *common.Hash    `json:"blockHash" rlp:"-"`
-		BlockTimestamp *uint64         `json:"blockTimestamp" rlp:"-"`
+		BlockTimestamp *hexutil.Uint64 `json:"blockTimestamp" rlp:"-"`
 		Index          *hexutil.Uint   `json:"logIndex" rlp:"-"`
 		Removed        *bool           `json:"removed" rlp:"-"`
 	}
@@ -84,7 +84,7 @@ func (l *Log) UnmarshalJSON(input []byte) error {
 		l.BlockHash = *dec.BlockHash
 	}
 	if dec.BlockTimestamp != nil {
-		l.BlockTimestamp = *dec.BlockTimestamp
+		l.BlockTimestamp = uint64(*dec.BlockTimestamp)
 	}
 	if dec.Index != nil {
 		l.Index = uint(*dec.Index)

core/types/log.go

@@ -59,5 +59,6 @@ type logMarshaling struct {
 	Data           hexutil.Bytes
 	BlockNumber    hexutil.Uint64
 	TxIndex        hexutil.Uint
+	BlockTimestamp hexutil.Uint64
 	Index          hexutil.Uint
 }

core/types/transaction.go

@@ -449,14 +449,18 @@ func (tx *Transaction) BlobGasFeeCapIntCmp(other *big.Int) int {
 // WithoutBlobTxSidecar returns a copy of tx with the blob sidecar removed.
 func (tx *Transaction) WithoutBlobTxSidecar() *Transaction {
 	blobtx, ok := tx.inner.(*BlobTx)
-	if !ok {
+	if !ok || blobtx.Sidecar == nil {
 		return tx
 	}
 	cpy := &Transaction{
 		inner: blobtx.withoutSidecar(),
 		time:  tx.time,
 	}
-	// Note: tx.size cache not carried over because the sidecar is included in size!
+	if size := tx.size.Load(); size != 0 {
+		// The tx had a sidecar before, so we need to subtract it from the size.
+		scSize := rlp.ListSize(blobtx.Sidecar.encodedSize())
+		cpy.size.Store(size - scSize)
+	}
 	if h := tx.hash.Load(); h != nil {
 		cpy.hash.Store(h)
 	}

core/vm/contracts.go

@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto/blake2b"
 	"github.com/ethereum/go-ethereum/crypto/bn256"
 	"github.com/ethereum/go-ethereum/crypto/kzg4844"
+	"github.com/ethereum/go-ethereum/crypto/secp256r1"
 	"github.com/ethereum/go-ethereum/params"
 	"golang.org/x/crypto/ripemd160"
 )
@@ -161,6 +162,14 @@ var PrecompiledContractsOsaka = PrecompiledContracts{
 	common.BytesToAddress([]byte{0x0f}): &bls12381Pairing{},
 	common.BytesToAddress([]byte{0x10}): &bls12381MapG1{},
 	common.BytesToAddress([]byte{0x11}): &bls12381MapG2{},
+
+	common.BytesToAddress([]byte{0x1, 0x00}): &p256Verify{},
+}
+
+// PrecompiledContractsP256Verify contains the precompiled Ethereum
+// contract specified in EIP-7212. This is exported for testing purposes.
+var PrecompiledContractsP256Verify = PrecompiledContracts{
+	common.BytesToAddress([]byte{0x1, 0x00}): &p256Verify{},
 }
 
 var (
@@ -1232,3 +1241,31 @@ func kZGToVersionedHash(kzg kzg4844.Commitment) common.Hash {
 
 	return h
 }
+
+// P256VERIFY (secp256r1 signature verification)
+// implemented as a native contract
+type p256Verify struct{}
+
+// RequiredGas returns the gas required to execute the precompiled contract
+func (c *p256Verify) RequiredGas(input []byte) uint64 {
+	return params.P256VerifyGas
+}
+
+// Run executes the precompiled contract with given 160 bytes of param, returning the output and the used gas
+func (c *p256Verify) Run(input []byte) ([]byte, error) {
+	const p256VerifyInputLength = 160
+	if len(input) != p256VerifyInputLength {
+		return nil, nil
+	}
+
+	// Extract hash, r, s, x, y from the input.
+	hash := input[0:32]
+	r, s := new(big.Int).SetBytes(input[32:64]), new(big.Int).SetBytes(input[64:96])
+	x, y := new(big.Int).SetBytes(input[96:128]), new(big.Int).SetBytes(input[128:160])
+
+	// Verify the signature.
+	if secp256r1.Verify(hash, r, s, x, y) {
+		return true32Byte, nil
+	}
+	return nil, nil
+}

core/vm/contracts_test.go

@@ -66,6 +66,8 @@ var allPrecompiles = map[common.Address]PrecompiledContract{
 	common.BytesToAddress([]byte{0x0f, 0x0e}): &bls12381Pairing{},
 	common.BytesToAddress([]byte{0x0f, 0x0f}): &bls12381MapG1{},
 	common.BytesToAddress([]byte{0x0f, 0x10}): &bls12381MapG2{},
+
+	common.BytesToAddress([]byte{0x0b}): &p256Verify{},
 }
 
 // EIP-152 test vectors
@@ -397,3 +399,15 @@ func BenchmarkPrecompiledBLS12381G2MultiExpWorstCase(b *testing.B) {
 	}
 	benchmarkPrecompiled("f0d", testcase, b)
 }
+
+// Benchmarks the sample inputs from the P256VERIFY precompile.
+func BenchmarkPrecompiledP256Verify(bench *testing.B) {
+	t := precompiledTest{
+		Input:    "4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e",
+		Expected: "0000000000000000000000000000000000000000000000000000000000000001",
+		Name:     "p256Verify",
+	}
+	benchmarkPrecompiled("0b", t, bench)
+}
+
+func TestPrecompiledP256Verify(t *testing.T) { testJson("p256Verify", "0b", t) }

core/vm/eips.go

@@ -41,6 +41,7 @@ var activators = map[int]func(*JumpTable){
 	1153: enable1153,
 	4762: enable4762,
 	7702: enable7702,
+	7939: enable7939,
 }
 
 // EnableEIP enables the given EIP on the config.
@@ -293,6 +294,13 @@ func opBlobBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 	return nil, nil
 }
 
+// opCLZ implements the CLZ opcode (count leading zero bytes)
+func opCLZ(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
+	x := scope.Stack.peek()
+	x.SetUint64(256 - uint64(x.BitLen()))
+	return nil, nil
+}
+
 // enable4844 applies EIP-4844 (BLOBHASH opcode)
 func enable4844(jt *JumpTable) {
 	jt[BLOBHASH] = &operation{
@@ -303,6 +311,16 @@ func enable4844(jt *JumpTable) {
 	}
 }
 
+// enable7939 enables EIP-7939 (CLZ opcode)
+func enable7939(jt *JumpTable) {
+	jt[CLZ] = &operation{
+		execute:     opCLZ,
+		constantGas: GasFastStep,
+		minStack:    minStack(1, 1),
+		maxStack:    maxStack(1, 1),
+	}
+}
+
 // enable7516 applies EIP-7516 (BLOBBASEFEE opcode)
 func enable7516(jt *JumpTable) {
 	jt[BLOBBASEFEE] = &operation{

core/vm/gas_table.go

@@ -99,7 +99,7 @@ var (
 func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
 	var (
 		y, x              = stack.Back(1), stack.Back(0)
-		current = evm.StateDB.GetState(contract.Address(), x.Bytes32())
+		current, original = evm.StateDB.GetStateAndCommittedState(contract.Address(), x.Bytes32())
 	)
 	// The legacy gas metering only takes into consideration the current state
 	// Legacy rules should be applied if we are in Petersburg (removal of EIP-1283)
@@ -139,7 +139,6 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
 	if current == value { // noop (1)
 		return params.NetSstoreNoopGas, nil
 	}
-	original := evm.StateDB.GetCommittedState(contract.Address(), x.Bytes32())
 	if original == current {
 		if original == (common.Hash{}) { // create slot (2.1.1)
 			return params.NetSstoreInitGas, nil
@@ -189,14 +188,13 @@ func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, m
 	// Gas sentry honoured, do the actual gas calculation based on the stored value
 	var (
 		y, x              = stack.Back(1), stack.Back(0)
-		current = evm.StateDB.GetState(contract.Address(), x.Bytes32())
+		current, original = evm.StateDB.GetStateAndCommittedState(contract.Address(), x.Bytes32())
 	)
 	value := common.Hash(y.Bytes32())
 
 	if current == value { // noop (1)
 		return params.SloadGasEIP2200, nil
 	}
-	original := evm.StateDB.GetCommittedState(contract.Address(), x.Bytes32())
 	if original == current {
 		if original == (common.Hash{}) { // create slot (2.1.1)
 			return params.SstoreSetGasEIP2200, nil

core/vm/instructions_test.go

@@ -972,3 +972,43 @@ func TestPush(t *testing.T) {
 		}
 	}
 }
+
+func TestOpCLZ(t *testing.T) {
+	evm := NewEVM(BlockContext{}, nil, params.TestChainConfig, Config{})
+
+	tests := []struct {
+		inputHex string
+		want     uint64 // expected CLZ result
+	}{
+		{"0x0", 256},
+		{"0x1", 255},
+		{"0x6ff", 245},        // 0x6ff = 0b11011111111 (11 bits), so 256-11 = 245
+		{"0xffffffffff", 216}, // 40 bits, so 256-40 = 216
+		{"0x4000000000000000000000000000000000000000000000000000000000000000", 1},
+		{"0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 1},
+		{"0x8000000000000000000000000000000000000000000000000000000000000000", 0},
+		{"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 0},
+	}
+	for _, tc := range tests {
+		// prepare a fresh stack and PC
+		stack := newstack()
+		pc := uint64(0)
+
+		// parse input
+		val := new(uint256.Int)
+		if err := val.SetFromHex(tc.inputHex); err != nil {
+			t.Fatal("invalid hex uint256:", tc.inputHex)
+		}
+
+		stack.push(val)
+		opCLZ(&pc, evm.interpreter, &ScopeContext{Stack: stack})
+
+		if gotLen := stack.len(); gotLen != 1 {
+			t.Fatalf("stack length = %d; want 1", gotLen)
+		}
+		result := stack.pop()
+		if got := result.Uint64(); got != tc.want {
+			t.Fatalf("clz(%q) = %d; want %d", tc.inputHex, got, tc.want)
+		}
+	}
+}

core/vm/interface.go

@@ -50,7 +50,7 @@ type StateDB interface {
 	SubRefund(uint64)
 	GetRefund() uint64
 
-	GetCommittedState(common.Address, common.Hash) common.Hash
+	GetStateAndCommittedState(common.Address, common.Hash) (common.Hash, common.Hash)
 	GetState(common.Address, common.Hash) common.Hash
 	SetState(common.Address, common.Hash, common.Hash) common.Hash
 	GetStorageRoot(addr common.Address) common.Hash

core/vm/interpreter.go

@@ -106,6 +106,8 @@ func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
 	// If jump table was not initialised we set the default one.
 	var table *JumpTable
 	switch {
+	case evm.chainRules.IsOsaka:
+		table = &osakaInstructionSet
 	case evm.chainRules.IsVerkle:
 		// TODO replace with proper instruction set when fork is specified
 		table = &verkleInstructionSet
@@ -182,6 +184,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 
 	var (
 		op          OpCode     // current opcode
+		jumpTable   *JumpTable = in.table
 		mem                    = NewMemory() // bound memory
 		stack                  = newstack()  // local stack
 		callContext            = &ScopeContext{
@@ -227,6 +230,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 	// explicit STOP, RETURN or SELFDESTRUCT is executed, an error occurred during
 	// the execution of one of the operations or until the done flag is set by the
 	// parent context.
+	_ = jumpTable[0] // nil-check the jumpTable out of the loop
 	for {
 		if debug {
 			// Capture pre-execution values for tracing.
@@ -247,7 +251,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 		// Get the operation from the jump table and validate the stack to ensure there are
 		// enough stack items available to perform the operation.
 		op = contract.GetOp(pc)
-		operation := in.table[op]
+		operation := jumpTable[op]
 		cost = operation.constantGas // For tracing
 		// Validate stack
 		if sLen := stack.len(); sLen < operation.minStack {

core/vm/interpreter_test.go

@@ -18,6 +18,7 @@ package vm
 
 import (
 	"math"
+	"math/big"
 	"testing"
 	"time"
 
@@ -74,3 +75,22 @@ func TestLoopInterrupt(t *testing.T) {
 		}
 	}
 }
+
+func BenchmarkInterpreter(b *testing.B) {
+	var (
+		statedb, _        = state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
+		evm               = NewEVM(BlockContext{BlockNumber: big.NewInt(1), Time: 1, Random: &common.Hash{}}, statedb, params.MergedTestChainConfig, Config{})
+		startGas   uint64 = 100_000_000
+		value             = uint256.NewInt(0)
+		stack             = newstack()
+		mem               = NewMemory()
+		contract          = NewContract(common.Address{}, common.Address{}, value, startGas, nil)
+	)
+	stack.push(uint256.NewInt(123))
+	stack.push(uint256.NewInt(123))
+	gasSStoreEIP3529 = makeGasSStoreFunc(params.SstoreClearsScheduleRefundEIP3529)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		gasSStoreEIP3529(evm, contract, stack, mem, 1234)
+	}
+}

core/vm/jump_table.go

@@ -62,6 +62,7 @@ var (
 	cancunInstructionSet           = newCancunInstructionSet()
 	verkleInstructionSet           = newVerkleInstructionSet()
 	pragueInstructionSet           = newPragueInstructionSet()
+	osakaInstructionSet            = newOsakaInstructionSet()
 )
 
 // JumpTable contains the EVM opcodes supported at a given fork.
@@ -91,6 +92,12 @@ func newVerkleInstructionSet() JumpTable {
 	return validate(instructionSet)
 }
 
+func newOsakaInstructionSet() JumpTable {
+	instructionSet := newPragueInstructionSet()
+	enable7939(&instructionSet) // EIP-7939 (CLZ opcode)
+	return validate(instructionSet)
+}
+
 func newPragueInstructionSet() JumpTable {
 	instructionSet := newCancunInstructionSet()
 	enable7702(&instructionSet) // EIP-7702 Setcode transaction type

core/vm/jump_table_export.go

@@ -29,7 +29,7 @@ func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
 	case rules.IsVerkle:
 		return newCancunInstructionSet(), errors.New("verkle-fork not defined yet")
 	case rules.IsOsaka:
-		return newPragueInstructionSet(), errors.New("osaka-fork not defined yet")
+		return newOsakaInstructionSet(), nil
 	case rules.IsPrague:
 		return newPragueInstructionSet(), nil
 	case rules.IsCancun:

core/vm/opcodes.go

@@ -62,6 +62,7 @@ const (
 	SHL    OpCode = 0x1b
 	SHR    OpCode = 0x1c
 	SAR    OpCode = 0x1d
+	CLZ    OpCode = 0x1e
 )
 
 // 0x20 range - crypto.
@@ -282,6 +283,7 @@ var opCodeToString = [256]string{
 	SHL:    "SHL",
 	SHR:    "SHR",
 	SAR:    "SAR",
+	CLZ:    "CLZ",
 	ADDMOD: "ADDMOD",
 	MULMOD: "MULMOD",
 
@@ -484,6 +486,7 @@ var stringToOp = map[string]OpCode{
 	"SHL":             SHL,
 	"SHR":             SHR,
 	"SAR":             SAR,
+	"CLZ":             CLZ,
 	"ADDMOD":          ADDMOD,
 	"MULMOD":          MULMOD,
 	"KECCAK256":       KECCAK256,

core/vm/operations_acl.go

@@ -36,7 +36,7 @@ func makeGasSStoreFunc(clearingRefund uint64) gasFunc {
 		var (
 			y, x              = stack.Back(1), stack.peek()
 			slot              = common.Hash(x.Bytes32())
-			current = evm.StateDB.GetState(contract.Address(), slot)
+			current, original = evm.StateDB.GetStateAndCommittedState(contract.Address(), slot)
 			cost              = uint64(0)
 		)
 		// Check slot presence in the access list
@@ -52,7 +52,6 @@ func makeGasSStoreFunc(clearingRefund uint64) gasFunc {
 			//		return params.SloadGasEIP2200, nil
 			return cost + params.WarmStorageReadCostEIP2929, nil // SLOAD_GAS
 		}
-		original := evm.StateDB.GetCommittedState(contract.Address(), x.Bytes32())
 		if original == current {
 			if original == (common.Hash{}) { // create slot (2.1.1)
 				return cost + params.SstoreSetGasEIP2200, nil

crypto/secp256r1/verifier.go

@@ -0,0 +1,33 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package secp256r1 implements signature verification for the P256VERIFY precompile.
+package secp256r1
+
+import (
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"math/big"
+)
+
+// Verify checks the given signature (r, s) for the given hash and public key (x, y).
+func Verify(hash []byte, r, s, x, y *big.Int) bool {
+	if x == nil || y == nil || !elliptic.P256().IsOnCurve(x, y) {
+		return false
+	}
+	pk := &ecdsa.PublicKey{Curve: elliptic.P256(), X: x, Y: y}
+	return ecdsa.Verify(pk, hash, r, s)
+}

eth/backend.go

@@ -278,7 +278,11 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	if fb := eth.blockchain.CurrentFinalBlock(); fb != nil {
 		finalBlock = fb.Number.Uint64()
 	}
-	eth.filterMaps = filtermaps.NewFilterMaps(chainDb, chainView, historyCutoff, finalBlock, filtermaps.DefaultParams, fmConfig)
+	filterMaps, err := filtermaps.NewFilterMaps(chainDb, chainView, historyCutoff, finalBlock, filtermaps.DefaultParams, fmConfig)
+	if err != nil {
+		return nil, err
+	}
+	eth.filterMaps = filterMaps
 	eth.closeFilterMaps = make(chan chan struct{})
 
 	// TxPool

eth/catalyst/simulated_beacon.go

@@ -208,6 +208,12 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
 		return errors.New("chain rewind prevented invocation of payload creation")
 	}
 
+	// If the payload was already known, we can skip the rest of the process.
+	// This edge case is possible due to a race condition between seal and debug.setHead.
+	if fcResponse.PayloadStatus.Status == engine.VALID && fcResponse.PayloadID == nil {
+		return nil
+	}
+
 	envelope, err := c.engineAPI.getPayload(*fcResponse.PayloadID, true)
 	if err != nil {
 		return err

eth/catalyst/simulated_beacon_api.go

@@ -70,9 +70,14 @@ func (a *simulatedBeaconAPI) loop() {
 				if executable, _ := a.sim.eth.TxPool().Stats(); executable == 0 {
 					break
 				}
+				select {
+				case <-a.sim.shutdownCh:
+					return
+				default:
 					a.sim.Commit()
 				}
 			}
+		}
 	}()
 
 	for {

eth/catalyst/tester.go

@@ -39,16 +39,18 @@ type FullSyncTester struct {
 	target         common.Hash
 	closed         chan struct{}
 	wg             sync.WaitGroup
+	exitWhenSynced bool
 }
 
 // RegisterFullSyncTester registers the full-sync tester service into the node
 // stack for launching and stopping the service controlled by node.
-func RegisterFullSyncTester(stack *node.Node, backend *eth.Ethereum, target common.Hash) (*FullSyncTester, error) {
+func RegisterFullSyncTester(stack *node.Node, backend *eth.Ethereum, target common.Hash, exitWhenSynced bool) (*FullSyncTester, error) {
 	cl := &FullSyncTester{
 		stack:          stack,
 		backend:        backend,
 		target:         target,
 		closed:         make(chan struct{}),
+		exitWhenSynced: exitWhenSynced,
 	}
 	stack.RegisterLifecycle(cl)
 	return cl, nil
@@ -76,7 +78,11 @@ func (tester *FullSyncTester) Start() error {
 				// Stop in case the target block is already stored locally.
 				if block := tester.backend.BlockChain().GetBlockByHash(tester.target); block != nil {
 					log.Info("Full-sync target reached", "number", block.NumberU64(), "hash", block.Hash())
+
+					if tester.exitWhenSynced {
 						go tester.stack.Close() // async since we need to close ourselves
+						log.Info("Terminating the node")
+					}
 					return
 				}
 

eth/downloader/skeleton.go

@@ -384,7 +384,7 @@ func (s *skeleton) sync(head *types.Header) (*types.Header, error) {
 			defer close(done)
 			filled := s.filler.suspend()
 			if filled == nil {
-				log.Error("Latest filled block is not available")
+				log.Warn("Latest filled block is not available")
 				return
 			}
 			// If something was filled, try to delete stale sync helpers. If

eth/filters/filter_system_test.go

@@ -175,7 +175,7 @@ func (b *testBackend) startFilterMaps(history uint64, disabled bool, params filt
 		Disabled:       disabled,
 		ExportFileName: "",
 	}
-	b.fm = filtermaps.NewFilterMaps(b.db, chainView, 0, 0, params, config)
+	b.fm, _ = filtermaps.NewFilterMaps(b.db, chainView, 0, 0, params, config)
 	b.fm.Start()
 	b.fm.WaitIdle()
 }

eth/filters/filter_test.go

@@ -317,26 +317,26 @@ func testFilters(t *testing.T, history uint64, noHistory bool) {
 	}{
 		{
 			f:    sys.NewBlockFilter(chain[2].Hash(), []common.Address{contract}, nil),
-			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":30,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":"0x1e","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f:    sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), []common.Address{contract}, [][]common.Hash{{hash1, hash2, hash3, hash4}}),
-			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xa8028c655b6423204c8edfbc339f57b042d6bec2b6a61145d76b7c08b4cccd42","transactionIndex":"0x0","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":20,"logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":30,"logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":10000,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xa8028c655b6423204c8edfbc339f57b042d6bec2b6a61145d76b7c08b4cccd42","transactionIndex":"0x0","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":"0x14","logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":"0x1e","logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":"0x2710","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f: sys.NewRangeFilter(900, 999, []common.Address{contract}, [][]common.Hash{{hash3}}),
 		},
 		{
 			f:    sys.NewRangeFilter(990, int64(rpc.LatestBlockNumber), []common.Address{contract2}, [][]common.Hash{{hash3}}),
-			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":9990,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":"0x2706","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f:    sys.NewRangeFilter(1, 10, []common.Address{contract}, [][]common.Hash{{hash2}, {hash1}}),
-			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":30,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":"0x1e","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f:    sys.NewRangeFilter(1, 10, nil, [][]common.Hash{{hash1, hash2}}),
-			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xa8028c655b6423204c8edfbc339f57b042d6bec2b6a61145d76b7c08b4cccd42","transactionIndex":"0x0","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":20,"logIndex":"0x0","removed":false},{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xdba3e2ea9a7d690b722d70ee605fd67ba4c00d1d3aecd5cf187a7b92ad8eb3df","transactionIndex":"0x1","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":20,"logIndex":"0x1","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":30,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xa8028c655b6423204c8edfbc339f57b042d6bec2b6a61145d76b7c08b4cccd42","transactionIndex":"0x0","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":"0x14","logIndex":"0x0","removed":false},{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x2","transactionHash":"0xdba3e2ea9a7d690b722d70ee605fd67ba4c00d1d3aecd5cf187a7b92ad8eb3df","transactionIndex":"0x1","blockHash":"0x24417bb49ce44cfad65da68f33b510bf2a129c0d89ccf06acb6958b8585ccf34","blockTimestamp":"0x14","logIndex":"0x1","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696332","0x0000000000000000000000000000000000000000000000000000746f70696331"],"data":"0x","blockNumber":"0x3","transactionHash":"0xdefe471992a07a02acdfbe33edaae22fbb86d7d3cec3f1b8e4e77702fb3acc1d","transactionIndex":"0x0","blockHash":"0x7a7556792ca7d37882882e2b001fe14833eaf81c2c7f865c9c771ec37a024f6b","blockTimestamp":"0x1e","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f: sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}}),
@@ -349,15 +349,15 @@ func testFilters(t *testing.T, history uint64, noHistory bool) {
 		},
 		{
 			f:    sys.NewRangeFilter(int64(rpc.LatestBlockNumber), int64(rpc.LatestBlockNumber), nil, nil),
-			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":10000,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":"0x2710","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f:    sys.NewRangeFilter(int64(rpc.FinalizedBlockNumber), int64(rpc.LatestBlockNumber), nil, nil),
-			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":9990,"logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":10000,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":"0x2706","logIndex":"0x0","removed":false},{"address":"0xfe00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696334"],"data":"0x","blockNumber":"0x3e8","transactionHash":"0x9a87842100a638dfa5da8842b4beda691d2fd77b0c84b57f24ecfa9fb208f747","transactionIndex":"0x0","blockHash":"0xb360bad5265261c075ece02d3bf0e39498a6a76310482cdfd90588748e6c5ee0","blockTimestamp":"0x2710","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f:    sys.NewRangeFilter(int64(rpc.FinalizedBlockNumber), int64(rpc.FinalizedBlockNumber), nil, nil),
-			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":9990,"logIndex":"0x0","removed":false}]`,
+			want: `[{"address":"0xff00000000000000000000000000000000000000","topics":["0x0000000000000000000000000000000000000000000000000000746f70696333"],"data":"0x","blockNumber":"0x3e7","transactionHash":"0x53e3675800c6908424b61b35a44e51ca4c73ca603e58a65b32c67968b4f42200","transactionIndex":"0x0","blockHash":"0x2e4620a2b426b0612ec6cad9603f466723edaed87f98c9137405dd4f7a2409ff","blockTimestamp":"0x2706","logIndex":"0x0","removed":false}]`,
 		},
 		{
 			f: sys.NewRangeFilter(int64(rpc.LatestBlockNumber), int64(rpc.FinalizedBlockNumber), nil, nil),

eth/tracers/logger/logger_test.go

@@ -39,6 +39,10 @@ func (*dummyStatedb) SetState(_ common.Address, _ common.Hash, _ common.Hash) co
 	return common.Hash{}
 }
 
+func (*dummyStatedb) GetStateAndCommittedState(common.Address, common.Hash) (common.Hash, common.Hash) {
+	return common.Hash{}, common.Hash{}
+}
+
 func TestStoreCapture(t *testing.T) {
 	var (
 		logger   = NewStructLogger(nil)

ethclient/gethclient/gethclient.go

@@ -216,6 +216,17 @@ func (ec *Client) TraceTransaction(ctx context.Context, hash common.Hash, config
 	return result, nil
 }
 
+// TraceBlock returns the structured logs created during the execution of EVM
+// and returns them as a JSON object.
+func (ec *Client) TraceBlock(ctx context.Context, hash common.Hash, config *tracers.TraceConfig) (any, error) {
+	var result any
+	err := ec.c.CallContext(ctx, &result, "debug_traceBlockByHash", hash, config)
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
 func toBlockNumArg(number *big.Int) string {
 	if number == nil {
 		return "latest"

internal/debug/flags.go

@@ -55,13 +55,13 @@ var (
 		Usage:    "Per-module verbosity: comma-separated list of <pattern>=<level> (e.g. eth/*=5,p2p=4)",
 		Value:    "",
 		Hidden:   true,
-		Category: flags.LoggingCategory,
+		Category: flags.DeprecatedCategory,
 	}
 	logjsonFlag = &cli.BoolFlag{
 		Name:     "log.json",
 		Usage:    "Format logs with JSON",
 		Hidden:   true,
-		Category: flags.LoggingCategory,
+		Category: flags.DeprecatedCategory,
 	}
 	logFormatFlag = &cli.StringFlag{
 		Name:     "log.format",

internal/ethapi/testdata/eth_getBlockReceipts-block-with-legacy-contract-call-tx.json

@@ -20,7 +20,7 @@
         "transactionHash": "0xeaf3921cbf03ba45bad4e6ab807b196ce3b2a0b5bacc355b6272fa96b11b4287",
         "transactionIndex": "0x0",
         "blockHash": "0xcc6225bf39327429a3d869af71182d619a354155187d0b5a8ecd6a9309cffcaa",
-        "blockTimestamp": 30,
+        "blockTimestamp": "0x1e",
         "logIndex": "0x0",
         "removed": false
       }

internal/ethapi/testdata/eth_getTransactionReceipt-with-logs.json

@@ -19,7 +19,7 @@
       "transactionHash": "0xeaf3921cbf03ba45bad4e6ab807b196ce3b2a0b5bacc355b6272fa96b11b4287",
       "transactionIndex": "0x0",
       "blockHash": "0xcc6225bf39327429a3d869af71182d619a354155187d0b5a8ecd6a9309cffcaa",
-      "blockTimestamp": 30,
+      "blockTimestamp": "0x1e",
       "logIndex": "0x0",
       "removed": false
     }

internal/flags/flags_test.go

@@ -17,19 +17,18 @@
 package flags
 
 import (
-	"os/user"
 	"runtime"
 	"testing"
 )
 
 func TestPathExpansion(t *testing.T) {
-	user, _ := user.Current()
+	home := HomeDir()
 	var tests map[string]string
 
 	if runtime.GOOS == "windows" {
 		tests = map[string]string{
 			`/home/someuser/tmp`:        `\home\someuser\tmp`,
-			`~/tmp`:                     user.HomeDir + `\tmp`,
+			`~/tmp`:                     home + `\tmp`,
 			`~thisOtherUser/b/`:         `~thisOtherUser\b`,
 			`$DDDXXX/a/b`:               `\tmp\a\b`,
 			`/a/b/`:                     `\a\b`,
@@ -40,7 +39,7 @@ func TestPathExpansion(t *testing.T) {
 	} else {
 		tests = map[string]string{
 			`/home/someuser/tmp`:        `/home/someuser/tmp`,
-			`~/tmp`:                     user.HomeDir + `/tmp`,
+			`~/tmp`:                     home + `/tmp`,
 			`~thisOtherUser/b/`:         `~thisOtherUser/b`,
 			`$DDDXXX/a/b`:               `/tmp/a/b`,
 			`/a/b/`:                     `/a/b`,

internal/jsre/deps/web3.js

@@ -2510,10 +2510,8 @@ var RequestManager = require('./web3/requestmanager');
 var Iban = require('./web3/iban');
 var Eth = require('./web3/methods/eth');
 var DB = require('./web3/methods/db');
-var Shh = require('./web3/methods/shh');
 var Net = require('./web3/methods/net');
 var Personal = require('./web3/methods/personal');
-var Swarm = require('./web3/methods/swarm');
 var Settings = require('./web3/settings');
 var version = require('./version.json');
 var utils = require('./utils/utils');
@@ -2532,10 +2530,8 @@ function Web3 (provider) {
     this.currentProvider = provider;
     this.eth = new Eth(this);
     this.db = new DB(this);
-    this.shh = new Shh(this);
     this.net = new Net(this);
     this.personal = new Personal(this);
-    this.bzz = new Swarm(this);
     this.settings = new Settings();
     this.version = {
         api: version.version
@@ -2612,11 +2608,6 @@ var properties = function () {
             name: 'version.ethereum',
             getter: 'eth_protocolVersion',
             inputFormatter: utils.toDecimal
-        }),
-        new Property({
-            name: 'version.whisper',
-            getter: 'shh_version',
-            inputFormatter: utils.toDecimal
         })
     ];
 };
@@ -2632,7 +2623,7 @@ Web3.prototype.createBatch = function () {
 module.exports = Web3;
 
 
-},{"./utils/sha3":19,"./utils/utils":20,"./version.json":21,"./web3/batch":24,"./web3/extend":28,"./web3/httpprovider":32,"./web3/iban":33,"./web3/ipcprovider":34,"./web3/methods/db":37,"./web3/methods/eth":38,"./web3/methods/net":39,"./web3/methods/personal":40,"./web3/methods/shh":41,"./web3/methods/swarm":42,"./web3/property":45,"./web3/requestmanager":46,"./web3/settings":47,"bignumber.js":"bignumber.js"}],23:[function(require,module,exports){
+},{"./utils/sha3":19,"./utils/utils":20,"./version.json":21,"./web3/batch":24,"./web3/extend":28,"./web3/httpprovider":32,"./web3/iban":33,"./web3/ipcprovider":34,"./web3/methods/db":37,"./web3/methods/eth":38,"./web3/methods/net":39,"./web3/methods/personal":40,"./web3/property":45,"./web3/requestmanager":46,"./web3/settings":47,"bignumber.js":"bignumber.js"}],23:[function(require,module,exports){
 /*
     This file is part of web3.js.
 
@@ -3486,8 +3477,6 @@ var getOptions = function (options, type) {
                 fromBlock: formatters.inputBlockNumberFormatter(options.fromBlock),
                 toBlock: formatters.inputBlockNumberFormatter(options.toBlock)
             };
-        case 'shh':
-            return options;
     }
 };
 
@@ -5699,300 +5688,7 @@ var properties = function () {
 
 module.exports = Personal;
 
-},{"../formatters":30,"../method":36,"../property":45}],41:[function(require,module,exports){
-/*
-    This file is part of web3.js.
-
-    web3.js is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    web3.js is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Lesser General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
-*/
-/** @file shh.js
- * @authors:
- *   Fabian Vogelsteller <fabian@ethereum.org>
- *   Marek Kotewicz <marek@ethcore.io>
- * @date 2017
- */
-
-var Method = require('../method');
-var Filter = require('../filter');
-var watches = require('./watches');
-
-var Shh = function (web3) {
-    this._requestManager = web3._requestManager;
-
-    var self = this;
-
-    methods().forEach(function(method) {
-        method.attachToObject(self);
-        method.setRequestManager(self._requestManager);
-    });
-};
-
-Shh.prototype.newMessageFilter = function (options, callback, filterCreationErrorCallback) {
-    return new Filter(options, 'shh', this._requestManager, watches.shh(), null, callback, filterCreationErrorCallback);
-};
-
-var methods = function () {
-
-    return [
-        new Method({
-            name: 'version',
-            call: 'shh_version',
-            params: 0
-        }),
-        new Method({
-            name: 'info',
-            call: 'shh_info',
-            params: 0
-        }),
-        new Method({
-            name: 'setMaxMessageSize',
-            call: 'shh_setMaxMessageSize',
-            params: 1
-        }),
-        new Method({
-            name: 'setMinPoW',
-            call: 'shh_setMinPoW',
-            params: 1
-        }),
-        new Method({
-            name: 'markTrustedPeer',
-            call: 'shh_markTrustedPeer',
-            params: 1
-        }),
-        new Method({
-            name: 'newKeyPair',
-            call: 'shh_newKeyPair',
-            params: 0
-        }),
-        new Method({
-            name: 'addPrivateKey',
-            call: 'shh_addPrivateKey',
-            params: 1
-        }),
-        new Method({
-            name: 'deleteKeyPair',
-            call: 'shh_deleteKeyPair',
-            params: 1
-        }),
-        new Method({
-            name: 'hasKeyPair',
-            call: 'shh_hasKeyPair',
-            params: 1
-        }),
-        new Method({
-            name: 'getPublicKey',
-            call: 'shh_getPublicKey',
-            params: 1
-        }),
-        new Method({
-            name: 'getPrivateKey',
-            call: 'shh_getPrivateKey',
-            params: 1
-        }),
-        new Method({
-            name: 'newSymKey',
-            call: 'shh_newSymKey',
-            params: 0
-        }),
-        new Method({
-            name: 'addSymKey',
-            call: 'shh_addSymKey',
-            params: 1
-        }),
-        new Method({
-            name: 'generateSymKeyFromPassword',
-            call: 'shh_generateSymKeyFromPassword',
-            params: 1
-        }),
-        new Method({
-            name: 'hasSymKey',
-            call: 'shh_hasSymKey',
-            params: 1
-        }),
-        new Method({
-            name: 'getSymKey',
-            call: 'shh_getSymKey',
-            params: 1
-        }),
-        new Method({
-            name: 'deleteSymKey',
-            call: 'shh_deleteSymKey',
-            params: 1
-        }),
-
-        // subscribe and unsubscribe missing
-
-        new Method({
-            name: 'post',
-            call: 'shh_post',
-            params: 1,
-            inputFormatter: [null]
-        })
-    ];
-};
-
-module.exports = Shh;
-
-
-},{"../filter":29,"../method":36,"./watches":43}],42:[function(require,module,exports){
-/*
-    This file is part of web3.js.
-
-    web3.js is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Lesser General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    web3.js is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Lesser General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * @file bzz.js
- * @author Alex Beregszaszi <alex@rtfs.hu>
- * @date 2016
- *
- * Reference: https://github.com/ethereum/go-ethereum/blob/swarm/internal/web3ext/web3ext.go#L33
- */
-
-"use strict";
-
-var Method = require('../method');
-var Property = require('../property');
-
-function Swarm(web3) {
-    this._requestManager = web3._requestManager;
-
-    var self = this;
-
-    methods().forEach(function(method) {
-        method.attachToObject(self);
-        method.setRequestManager(self._requestManager);
-    });
-
-    properties().forEach(function(p) {
-        p.attachToObject(self);
-        p.setRequestManager(self._requestManager);
-    });
-}
-
-var methods = function () {
-    var blockNetworkRead = new Method({
-        name: 'blockNetworkRead',
-        call: 'bzz_blockNetworkRead',
-        params: 1,
-        inputFormatter: [null]
-    });
-
-    var syncEnabled = new Method({
-        name: 'syncEnabled',
-        call: 'bzz_syncEnabled',
-        params: 1,
-        inputFormatter: [null]
-    });
-
-    var swapEnabled = new Method({
-        name: 'swapEnabled',
-        call: 'bzz_swapEnabled',
-        params: 1,
-        inputFormatter: [null]
-    });
-
-    var download = new Method({
-        name: 'download',
-        call: 'bzz_download',
-        params: 2,
-        inputFormatter: [null, null]
-    });
-
-    var upload = new Method({
-        name: 'upload',
-        call: 'bzz_upload',
-        params: 2,
-        inputFormatter: [null, null]
-    });
-
-    var retrieve = new Method({
-        name: 'retrieve',
-        call: 'bzz_retrieve',
-        params: 1,
-        inputFormatter: [null]
-    });
-
-    var store = new Method({
-        name: 'store',
-        call: 'bzz_store',
-        params: 2,
-        inputFormatter: [null, null]
-    });
-
-    var get = new Method({
-        name: 'get',
-        call: 'bzz_get',
-        params: 1,
-        inputFormatter: [null]
-    });
-
-    var put = new Method({
-        name: 'put',
-        call: 'bzz_put',
-        params: 2,
-        inputFormatter: [null, null]
-    });
-
-    var modify = new Method({
-        name: 'modify',
-        call: 'bzz_modify',
-        params: 4,
-        inputFormatter: [null, null, null, null]
-    });
-
-    return [
-        blockNetworkRead,
-        syncEnabled,
-        swapEnabled,
-        download,
-        upload,
-        retrieve,
-        store,
-        get,
-        put,
-        modify
-    ];
-};
-
-var properties = function () {
-    return [
-        new Property({
-            name: 'hive',
-            getter: 'bzz_hive'
-        }),
-        new Property({
-            name: 'info',
-            getter: 'bzz_info'
-        })
-    ];
-};
-
-
-module.exports = Swarm;
-
-},{"../method":36,"../property":45}],43:[function(require,module,exports){
+},{"../formatters":30,"../method":36,"../property":45}],43:[function(require,module,exports){
 /*
     This file is part of web3.js.
 
@@ -6068,36 +5764,8 @@ var eth = function () {
     ];
 };
 
-/// @returns an array of objects describing web3.shh.watch api methods
-var shh = function () {
-
-    return [
-        new Method({
-            name: 'newFilter',
-            call: 'shh_newMessageFilter',
-            params: 1
-        }),
-        new Method({
-            name: 'uninstallFilter',
-            call: 'shh_deleteMessageFilter',
-            params: 1
-        }),
-        new Method({
-            name: 'getLogs',
-            call: 'shh_getFilterMessages',
-            params: 1
-        }),
-        new Method({
-            name: 'poll',
-            call: 'shh_getFilterMessages',
-            params: 1
-        })
-    ];
-};
-
 module.exports = {
-    eth: eth,
-    shh: shh
+    eth: eth
 };
 
 

miner/worker.go

@@ -50,6 +50,7 @@ type environment struct {
 	signer   types.Signer
 	state    *state.StateDB // apply state changes here
 	tcount   int            // tx count in cycle
+	size     uint64         // size of the block we are building
 	gasPool  *core.GasPool  // available gas used to pack transactions
 	coinbase common.Address
 	evm      *vm.EVM
@@ -63,6 +64,11 @@ type environment struct {
 	witness *stateless.Witness
 }
 
+// txFits reports whether the transaction fits into the block size limit.
+func (env *environment) txFitsSize(tx *types.Transaction) bool {
+	return env.size+tx.Size() < params.MaxBlockSize-maxBlockSizeBufferZone
+}
+
 const (
 	commitInterruptNone int32 = iota
 	commitInterruptNewHead
@@ -70,6 +76,11 @@ const (
 	commitInterruptTimeout
 )
 
+// Block size is capped by the protocol at params.MaxBlockSize. When producing blocks, we
+// try to say below the size including a buffer zone, this is to avoid going over the
+// maximum size with auxiliary data added into the block.
+const maxBlockSizeBufferZone = 1_000_000
+
 // newPayloadResult is the result of payload generation.
 type newPayloadResult struct {
 	err      error
@@ -95,12 +106,23 @@ type generateParams struct {
 }
 
 // generateWork generates a sealing block based on the given parameters.
-func (miner *Miner) generateWork(params *generateParams, witness bool) *newPayloadResult {
-	work, err := miner.prepareWork(params, witness)
+func (miner *Miner) generateWork(genParam *generateParams, witness bool) *newPayloadResult {
+	work, err := miner.prepareWork(genParam, witness)
 	if err != nil {
 		return &newPayloadResult{err: err}
 	}
-	if !params.noTxs {
+
+	// Check withdrawals fit max block size.
+	// Due to the cap on withdrawal count, this can actually never happen, but we still need to
+	// check to ensure the CL notices there's a problem if the withdrawal cap is ever lifted.
+	maxBlockSize := params.MaxBlockSize - maxBlockSizeBufferZone
+	if genParam.withdrawals.Size() > maxBlockSize {
+		return &newPayloadResult{err: errors.New("withdrawals exceed max block size")}
+	}
+	// Also add size of withdrawals to work block size.
+	work.size += uint64(genParam.withdrawals.Size())
+
+	if !genParam.noTxs {
 		interrupt := new(atomic.Int32)
 		timer := time.AfterFunc(miner.config.Recommit, func() {
 			interrupt.Store(commitInterruptTimeout)
@@ -112,8 +134,8 @@ func (miner *Miner) generateWork(params *generateParams, witness bool) *newPaylo
 			log.Warn("Block building is interrupted", "allowance", common.PrettyDuration(miner.config.Recommit))
 		}
 	}
+	body := types.Body{Transactions: work.txs, Withdrawals: genParam.withdrawals}
 
-	body := types.Body{Transactions: work.txs, Withdrawals: params.withdrawals}
 	allLogs := make([]*types.Log, 0)
 	for _, r := range work.receipts {
 		allLogs = append(allLogs, r.Logs...)
@@ -256,6 +278,7 @@ func (miner *Miner) makeEnv(parent *types.Header, header *types.Header, coinbase
 	return &environment{
 		signer:   types.MakeSigner(miner.chainConfig, header.Number, header.Time),
 		state:    state,
+		size:     uint64(header.Size()),
 		coinbase: coinbase,
 		header:   header,
 		witness:  state.Witness(),
@@ -273,6 +296,7 @@ func (miner *Miner) commitTransaction(env *environment, tx *types.Transaction) e
 	}
 	env.txs = append(env.txs, tx)
 	env.receipts = append(env.receipts, receipt)
+	env.size += tx.Size()
 	env.tcount++
 	return nil
 }
@@ -294,10 +318,12 @@ func (miner *Miner) commitBlobTransaction(env *environment, tx *types.Transactio
 	if err != nil {
 		return err
 	}
-	env.txs = append(env.txs, tx.WithoutBlobTxSidecar())
+	txNoBlob := tx.WithoutBlobTxSidecar()
+	env.txs = append(env.txs, txNoBlob)
 	env.receipts = append(env.receipts, receipt)
 	env.sidecars = append(env.sidecars, sc)
 	env.blobs += len(sc.Blobs)
+	env.size += txNoBlob.Size()
 	*env.header.BlobGasUsed += receipt.BlobGasUsed
 	env.tcount++
 	return nil
@@ -318,7 +344,11 @@ func (miner *Miner) applyTransaction(env *environment, tx *types.Transaction) (*
 }
 
 func (miner *Miner) commitTransactions(env *environment, plainTxs, blobTxs *transactionsByPriceAndNonce, interrupt *atomic.Int32) error {
-	gasLimit := env.header.GasLimit
+	var (
+		isOsaka  = miner.chainConfig.IsOsaka(env.header.Number, env.header.Time)
+		isCancun = miner.chainConfig.IsCancun(env.header.Number, env.header.Time)
+		gasLimit = env.header.GasLimit
+	)
 	if env.gasPool == nil {
 		env.gasPool = new(core.GasPool).AddGas(gasLimit)
 	}
@@ -374,7 +404,7 @@ func (miner *Miner) commitTransactions(env *environment, plainTxs, blobTxs *tran
 		// Most of the blob gas logic here is agnostic as to if the chain supports
 		// blobs or not, however the max check panics when called on a chain without
 		// a defined schedule, so we need to verify it's safe to call.
-		if miner.chainConfig.IsCancun(env.header.Number, env.header.Time) {
+		if isCancun {
 			left := eip4844.MaxBlobsPerBlock(miner.chainConfig, env.header.Time) - env.blobs
 			if left < int(ltx.BlobGas/params.BlobTxBlobGasPerBlob) {
 				log.Trace("Not enough blob space left for transaction", "hash", ltx.Hash, "left", left, "needed", ltx.BlobGas/params.BlobTxBlobGasPerBlob)
@@ -391,8 +421,14 @@ func (miner *Miner) commitTransactions(env *environment, plainTxs, blobTxs *tran
 			continue
 		}
 
+		// if inclusion of the transaction would put the block size over the
+		// maximum we allow, don't add any more txs to the payload.
+		if !env.txFitsSize(tx) {
+			break
+		}
+
 		// Make sure all transactions after osaka have cell proofs
-		if miner.chainConfig.IsOsaka(env.header.Number, env.header.Time) {
+		if isOsaka {
 			if sidecar := tx.BlobTxSidecar(); sidecar != nil {
 				if sidecar.Version == 0 {
 					log.Info("Including blob tx with v0 sidecar, recomputing proofs", "hash", ltx.Hash)
@@ -462,6 +498,9 @@ func (miner *Miner) fillTransactions(interrupt *atomic.Int32, env *environment)
 	if env.header.ExcessBlobGas != nil {
 		filter.BlobFee = uint256.MustFromBig(eip4844.CalcBlobFee(miner.chainConfig, env.header))
 	}
+	if miner.chainConfig.IsOsaka(env.header.Number, env.header.Time) {
+		filter.GasLimitCap = params.MaxTxGas
+	}
 	filter.OnlyPlainTxs, filter.OnlyBlobTxs = true, false
 	pendingPlainTxs := miner.txpool.Pending(filter)
 

node/rpcstack.go

@@ -171,7 +171,7 @@ func (h *httpServer) start() error {
 	}
 	// Log http endpoint.
 	h.log.Info("HTTP server started",
-		"endpoint", listener.Addr(), "auth", (h.httpConfig.jwtSecret != nil),
+		"endpoint", listener.Addr(), "auth", h.httpConfig.jwtSecret != nil,
 		"prefix", h.httpConfig.prefix,
 		"cors", strings.Join(h.httpConfig.CorsAllowedOrigins, ","),
 		"vhosts", strings.Join(h.httpConfig.Vhosts, ","),

params/protocol_params.go

@@ -28,6 +28,8 @@ const (
 	MaxGasLimit          uint64 = 0x7fffffffffffffff // Maximum the gas limit (2^63-1).
 	GenesisGasLimit      uint64 = 4712388            // Gas limit of the Genesis block.
 
+	MaxTxGas uint64 = 30_000_000 // Maximum transaction gas limit after eip-7825.
+
 	MaximumExtraDataSize  uint64 = 32    // Maximum size extra data may be after Genesis.
 	ExpByteGas            uint64 = 10    // Times ceil(log256(exponent)) for the EXP instruction.
 	SloadGas              uint64 = 50    // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
@@ -163,6 +165,8 @@ const (
 	Bls12381MapG1Gas          uint64 = 5500  // Gas price for BLS12-381 mapping field element to G1 operation
 	Bls12381MapG2Gas          uint64 = 23800 // Gas price for BLS12-381 mapping field element to G2 operation
 
+	P256VerifyGas uint64 = 6900 // secp256r1 elliptic curve signature verifier gas price
+
 	// The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
 	// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
 	RefundQuotient        uint64 = 2
@@ -173,6 +177,9 @@ const (
 	BlobTxBlobGasPerBlob               = 1 << 17 // Gas consumption of a single data blob (== blob byte size)
 	BlobTxMinBlobGasprice              = 1       // Minimum gas price for data blobs
 	BlobTxPointEvaluationPrecompileGas = 50000   // Gas price for the point evaluation precompile.
+	BlobBaseCost                       = 1 << 13 // Base execution gas cost for a blob.
+
+	MaxBlockSize = 8_388_608 // maximum size of an RLP-encoded block
 )
 
 // Bls12381G1MultiExpDiscountTable is the gas discount table for BLS12-381 G1 multi exponentiation operation

rpc/client.go

@@ -487,12 +487,6 @@ func (c *Client) EthSubscribe(ctx context.Context, channel interface{}, args ...
 	return c.Subscribe(ctx, "eth", channel, args...)
 }
 
-// ShhSubscribe registers a subscription under the "shh" namespace.
-// Deprecated: use Subscribe(ctx, "shh", ...).
-func (c *Client) ShhSubscribe(ctx context.Context, channel interface{}, args ...interface{}) (*ClientSubscription, error) {
-	return c.Subscribe(ctx, "shh", channel, args...)
-}
-
 // Subscribe calls the "<namespace>_subscribe" method with the given arguments,
 // registering a subscription. Server notifications for the subscription are
 // sent to the given channel. The element type of the channel must match the

rpc/subscription_test.go

@@ -59,7 +59,7 @@ func TestSubscriptions(t *testing.T) {
 	t.Parallel()
 
 	var (
-		namespaces        = []string{"eth", "bzz"}
+		namespaces        = []string{"eth"}
 		service           = &notificationTestService{}
 		subCount          = len(namespaces)
 		notificationCount = 3

triedb/pathdb/history_indexer.go

@@ -73,8 +73,8 @@ func storeIndexMetadata(db ethdb.KeyValueWriter, last uint64) {
 // batchIndexer is a structure designed to perform batch indexing or unindexing
 // of state histories atomically.
 type batchIndexer struct {
-	accounts map[common.Hash][]uint64                 // History ID list, Keyed by account address
-	storages map[common.Hash]map[common.Hash][]uint64 // History ID list, Keyed by account address and the hash of raw storage key
+	accounts map[common.Hash][]uint64                 // History ID list, Keyed by the hash of account address
+	storages map[common.Hash]map[common.Hash][]uint64 // History ID list, Keyed by the hash of account address and the hash of raw storage key
 	counter  int                                      // The counter of processed states
 	delete   bool                                     // Index or unindex mode
 	lastID   uint64                                   // The ID of latest processed history