diff --git a/core/blockchain.go b/core/blockchain.go index bd7b80b65c..992d82a33c 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -256,7 +256,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis if vmConfig.Tracer != nil { l, ok := vmConfig.Tracer.(BlockchainLogger) if !ok { - return nil, fmt.Errorf("only extended tracers are supported for live mode") + return nil, errors.New("only extended tracers are supported for live mode") } logger = l } diff --git a/core/vm/evm.go b/core/vm/evm.go index 93c1279e64..9985d11b7d 100644 --- a/core/vm/evm.go +++ b/core/vm/evm.go @@ -17,9 +17,7 @@ package vm import ( - "fmt" "math/big" - "os" "sync/atomic" "github.com/ethereum/go-ethereum/common" @@ -181,24 +179,24 @@ func (evm *EVM) SetBlockContext(blockCtx BlockContext) { // the necessary steps to create accounts and reverses the state in case of an // execution error or failed value transfer. func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) { - if tracer := evm.Config.Tracer; tracer != nil { + // Capture the tracer start/end events in debug mode + if evm.Config.Tracer != nil { if evm.depth == 0 { - tracer.CaptureStart(caller.Address(), addr, false, input, gas, value) + evm.Config.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value) defer func(startGas uint64) { // Lazy evaluation of the parameters - tracer.CaptureEnd(ret, startGas-leftOverGas, err) + evm.Config.Tracer.CaptureEnd(ret, startGas-gas, err) }(gas) } else { // Handle tracer events for entering and exiting a call frame - tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value) - tracer.OnGasConsumed(0, -gas, GasInitialBalance) + evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value) + evm.Config.Tracer.OnGasConsumed(0, -gas, GasInitialBalance) defer func(startGas uint64) { - tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) - tracer.CaptureExit(ret, startGas-leftOverGas, err) + evm.Config.Tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) + evm.Config.Tracer.CaptureExit(ret, startGas-gas, err) }(gas) } } - // Fail if we're trying to execute above the call depth limit if evm.depth > int(params.CallCreateDepth) { return nil, gas, ErrDepth @@ -212,6 +210,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas if !evm.StateDB.Exist(addr) { if !isPrecompile && evm.chainRules.IsEIP158 && value.Sign() == 0 { + // Calling a non-existing account, don't do anything. return nil, gas, nil } evm.StateDB.CreateAccount(addr) @@ -237,7 +236,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas } } // When an error was returned by the EVM or when setting the creation code - // above we revert to the snapshot and consume any gas remaining. Additionally + // above we revert to the snapshot and consume any gas remaining. Additionally, // when we're in homestead this also counts for code storage gas errors. if err != nil { evm.StateDB.RevertToSnapshot(snapshot) @@ -264,16 +263,15 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas // code with the caller as context. func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) { // Invoke tracer hooks that signal entering/exiting a call frame - if tracer := evm.Config.Tracer; tracer != nil { - tracer.CaptureEnter(CALLCODE, caller.Address(), addr, input, gas, value) - tracer.OnGasConsumed(0, -gas, GasInitialBalance) + if evm.Config.Tracer != nil { + evm.Config.Tracer.CaptureEnter(CALLCODE, caller.Address(), addr, input, gas, value) + evm.Config.Tracer.OnGasConsumed(0, -gas, GasInitialBalance) defer func(startGas uint64) { - tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) - tracer.CaptureExit(ret, startGas-leftOverGas, err) + evm.Config.Tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) + evm.Config.Tracer.CaptureExit(ret, startGas-gas, err) }(gas) } - // Fail if we're trying to execute above the call depth limit if evm.depth > int(params.CallCreateDepth) { return nil, gas, ErrDepth @@ -319,20 +317,19 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, // code with the caller as context and the caller is set to the caller of the caller. func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) { // Invoke tracer hooks that signal entering/exiting a call frame - if tracer := evm.Config.Tracer; tracer != nil { + if evm.Config.Tracer != nil { // NOTE: caller must, at all times be a contract. It should never happen // that caller is something other than a Contract. parent := caller.(*Contract) // DELEGATECALL inherits value from parent call - tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, parent.value) - tracer.OnGasConsumed(0, -gas, GasInitialBalance) + evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, parent.value) + evm.Config.Tracer.OnGasConsumed(0, -gas, GasInitialBalance) defer func(startGas uint64) { - tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) - tracer.CaptureExit(ret, startGas-leftOverGas, err) + evm.Config.Tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) + evm.Config.Tracer.CaptureExit(ret, startGas-gas, err) }(gas) } - // Fail if we're trying to execute above the call depth limit if evm.depth > int(params.CallCreateDepth) { return nil, gas, ErrDepth @@ -369,16 +366,15 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by // instead of performing the modifications. func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) { // Invoke tracer hooks that signal entering/exiting a call frame - if tracer := evm.Config.Tracer; tracer != nil { - tracer.CaptureEnter(STATICCALL, caller.Address(), addr, input, gas, nil) - tracer.OnGasConsumed(0, -gas, GasInitialBalance) + if evm.Config.Tracer != nil { + evm.Config.Tracer.CaptureEnter(STATICCALL, caller.Address(), addr, input, gas, nil) + evm.Config.Tracer.OnGasConsumed(0, -gas, GasInitialBalance) defer func(startGas uint64) { - tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) - tracer.CaptureExit(ret, startGas-leftOverGas, err) + evm.Config.Tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) + evm.Config.Tracer.CaptureExit(ret, startGas-gas, err) }(gas) } - // Fail if we're trying to execute above the call depth limit if evm.depth > int(params.CallCreateDepth) { return nil, gas, ErrDepth @@ -439,24 +435,23 @@ func (c *codeAndHash) Hash() common.Hash { } // create creates a new contract using code as deployment code. -func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, value *big.Int, address common.Address, typ OpCode) (ret []byte, created common.Address, leftOverGas uint64, err error) { - if tracer := evm.Config.Tracer; tracer != nil { +func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, value *big.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftoverGas uint64, err error) { + if evm.Config.Tracer != nil { if evm.depth == 0 { - tracer.CaptureStart(caller.Address(), address, true, codeAndHash.code, gas, value) - defer func(startGas uint64) { - tracer.CaptureEnd(ret, startGas-leftOverGas, err) - }(gas) + evm.Config.Tracer.CaptureStart(caller.Address(), address, true, codeAndHash.code, gas, value) + defer func() { + evm.Config.Tracer.CaptureEnd(ret, gas-leftoverGas, err) + }() } else { - tracer.CaptureEnter(typ, caller.Address(), address, codeAndHash.code, gas, value) - tracer.OnGasConsumed(0, -gas, GasInitialBalance) + evm.Config.Tracer.CaptureEnter(typ, caller.Address(), address, codeAndHash.code, gas, value) + evm.Config.Tracer.OnGasConsumed(0, -gas, GasInitialBalance) - defer func(startGas uint64) { - tracer.OnGasConsumed(leftOverGas, leftOverGas, GasBuyBack) - tracer.CaptureExit(ret, startGas-leftOverGas, err) - }(gas) + defer func() { + evm.Config.Tracer.OnGasConsumed(leftoverGas, leftoverGas, GasBuyBack) + evm.Config.Tracer.CaptureExit(ret, gas-leftoverGas, err) + }() } } - // Depth check execution. Fail if we're trying to execute above the // limit. if evm.depth > int(params.CallCreateDepth) { @@ -523,7 +518,7 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, } // When an error was returned by the EVM or when setting the creation code - // above we revert to the snapshot and consume any gas remaining. Additionally + // above we revert to the snapshot and consume any gas remaining. Additionally, // when we're in homestead this also counts for code storage gas errors. if err != nil && (evm.chainRules.IsHomestead || err != ErrCodeStoreOutOfGas) { evm.StateDB.RevertToSnapshot(snapshot) diff --git a/eth/tracers/api_test.go b/eth/tracers/api_test.go index 02f973fa0a..d4eaf56e7a 100644 --- a/eth/tracers/api_test.go +++ b/eth/tracers/api_test.go @@ -562,7 +562,6 @@ func TestTracingWithOverrides(t *testing.T) { From: &accounts[0].addr, // BLOCKNUMBER PUSH1 MSTORE Input: newRPCBytes(common.Hex2Bytes("4360005260206000f3")), - //&hexutil.Bytes{0x43}, // blocknumber }, config: &TraceCallConfig{ BlockOverrides: ðapi.BlockOverrides{Number: (*hexutil.Big)(big.NewInt(0x1337))}, diff --git a/eth/tracers/internal/tracetest/flat_calltrace_test.go b/eth/tracers/internal/tracetest/flat_calltrace_test.go index 9d339dcf52..f8ca103314 100644 --- a/eth/tracers/internal/tracetest/flat_calltrace_test.go +++ b/eth/tracers/internal/tracetest/flat_calltrace_test.go @@ -131,7 +131,7 @@ func flatCallTracerTestRunner(tracerName string, filename string, dirPath string return fmt.Errorf("failed to unmarshal trace result: %v", err) } if !jsonEqualFlat(ret, test.Result) { - t.Logf("tracer name: %s", tracerName) + t.Logf("test %s failed", filename) // uncomment this for easier debugging // have, _ := json.MarshalIndent(ret, "", " ") diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json index 9b45b52fe9..ed3688a942 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer/inner_instafail.json @@ -56,6 +56,16 @@ "value": "0x0", "gas": "0x1f97e", "gasUsed": "0x72de", - "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000" + "input": "0x2e1a7d4d00000000000000000000000000000000000000000000000014d1120d7b160000", + "calls": [{ + "from":"0x6c06b16512b332e6cd8293a2974872674716ce18", + "gas":"0x8fc", + "gasUsed":"0x0", + "to":"0x66fdfd05e46126a07465ad24e40cc0597bc1ef31", + "input":"0x", + "error":"insufficient balance for transfer", + "value":"0x14d1120d7b160000", + "type":"CALL" + }] } } diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json index c796804a4b..a2386ea9c7 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/callcode_precompiled_fail_hide.json @@ -63,12 +63,27 @@ "address": "0x5f8a7e007172ba80afbff1b15f800eb0b260f224" }, "traceAddress": [], - "subtraces": 0, + "subtraces": 1, "transactionPosition": 74, "transactionHash": "0x5ef60b27ac971c22a7d484e546e50093ca62300c8986d165154e47773764b6a4", "blockNumber": 1555279, "blockHash": "0xd6c98d1b87dfa92a210d99bad2873adaf0c9e51fe43addc63fd9cca03a5c6f46", "time": "209.346µs" + }, + { + "action": { + "balance": "0x0", + "callType": "callcode", + "from": "0x5f8a7e007172ba80afbff1b15f800eb0b260f224", + "gas": "0xaf64", + "to": "0x0000000000000000000000000000000000000004", + "value": "0x13" + }, + "error": "insufficient balance for transfer", + "result": {}, + "subtraces": 0, + "traceAddress": [0], + "type": "call" } ] } diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json index 4de08f2cca..611e50e2c0 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/inner_instafail.json @@ -64,9 +64,23 @@ "gasUsed": "0x72de", "output": "0x" }, - "subtraces": 0, + "subtraces": 1, "traceAddress": [], "type": "call" + }, + { + "action": { + "callType": "call", + "from": "0x6c06b16512b332e6cd8293a2974872674716ce18", + "gas": "0x8fc", + "to": "0x66fdfd05e46126a07465ad24e40cc0597bc1ef31", + "value": "0x14d1120d7b160000" + }, + "error": "insufficient balance for transfer", + "result": {}, + "subtraces": 0, + "traceAddress": [0], + "type": "call" } ] } diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json index 28e96684b2..f3a7d9a946 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/nested_create_inerror.json @@ -70,12 +70,25 @@ "output": "0x" }, "traceAddress": [], - "subtraces": 0, + "subtraces": 1, "transactionPosition": 26, "transactionHash": "0xcb1090fa85d2a3da8326b75333e92b3dca89963c895d9c981bfdaa64643135e4", "blockNumber": 839247, "blockHash": "0xce7ff7d84ca97f0f89d6065e2c12409a795c9f607cdb14aef0713cad5d7e311c", "time": "182.267µs" + }, + { + "action": { + "from": "0x76554b33410b6d90b7dc889bfed0451ad195f27e", + "gas": "0x25a18", + "init": "0x0000000000000000000000000000000000000000000000000000000000000000", + "value": "0xa" + }, + "error": "insufficient balance for transfer", + "result": {}, + "subtraces": 0, + "traceAddress": [0], + "type": "create" } ] } \ No newline at end of file diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json index 74fd87cc6c..3c5d6d9f2b 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/selfdestruct.json @@ -63,13 +63,26 @@ "address": "0x1d99a1a3efa9181f540f9e24fa6e4e08eb7844ca" }, "traceAddress": [], - "subtraces": 1, + "subtraces": 2, "transactionPosition": 14, "transactionHash": "0xdd76f02407e2f8329303ba688e111cae4f7008ad0d14d6e42c5698424ea36d79", "blockNumber": 1555146, "blockHash": "0xafb4f1dd27b9054c805acb81a88ed04384788cb31d84164c21874935c81e5c7e", "time": "187.145µs" }, + { + "action": { + "from": "0x1d99a1a3efa9181f540f9e24fa6e4e08eb7844ca", + "gas": "0x50ac", + "init": "0x5a", + "value": "0x1" + }, + "error": "insufficient balance for transfer", + "result": {}, + "subtraces": 0, + "traceAddress": [0], + "type": "create" + }, { "type": "suicide", "action": { @@ -79,7 +92,7 @@ }, "result": null, "traceAddress": [ - 0 + 1 ], "subtraces": 0, "transactionPosition": 14, diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json index 96060d5545..6911ed4b32 100644 --- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json +++ b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/skip_no_balance_error.json @@ -59,12 +59,25 @@ }, "error": "out of gas", "traceAddress": [], - "subtraces": 0, + "subtraces": 1, "transactionPosition": 16, "transactionHash": "0x384487e5ae8d2997aece8e28403d393cb9752425e6de358891bed981c5af1c05", "blockNumber": 1555285, "blockHash": "0x93231d8e9662adb4c5c703583a92c7b3112cd5448f43ab4fa1f0f00a0183ed3f", "time": "665.278µs" + }, + { + "action": { + "from": "0xf84bf5189ccd19f5897739756d214fa0dc099e0d", + "gas": "0x1d5c", + "init": 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