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cmd/evm: enable eip-4788 in evm t8n

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This commit is contained in:
Martin Holst Swende 2023-08-15 19:41:13 +02:00
parent d513b4019e
commit 3b794e9340
No known key found for this signature in database
GPG key ID: 683B438C05A5DDF0
13 changed files with 243 additions and 79 deletions
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43
cmd/evm/internal/t8ntool/execution.go
View file

@ -69,25 +69,26 @@ type ommer struct {
//go:generate go run github.com/fjl/gencodec -type stEnv -field-override stEnvMarshaling -out gen_stenv.go
type stEnv struct {
Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
Difficulty *big.Int `json:"currentDifficulty"`
Random *big.Int `json:"currentRandom"`
ParentDifficulty *big.Int `json:"parentDifficulty"`
ParentBaseFee *big.Int `json:"parentBaseFee,omitempty"`
ParentGasUsed uint64 `json:"parentGasUsed,omitempty"`
ParentGasLimit uint64 `json:"parentGasLimit,omitempty"`
GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
Number uint64 `json:"currentNumber" gencodec:"required"`
Timestamp uint64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp uint64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *big.Int `json:"currentBaseFee,omitempty"`
ParentUncleHash common.Hash `json:"parentUncleHash"`
ExcessBlobGas *uint64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *uint64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *uint64 `json:"parentBlobGasUsed,omitempty"`
Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
Difficulty *big.Int `json:"currentDifficulty"`
Random *big.Int `json:"currentRandom"`
ParentDifficulty *big.Int `json:"parentDifficulty"`
ParentBaseFee *big.Int `json:"parentBaseFee,omitempty"`
ParentGasUsed uint64 `json:"parentGasUsed,omitempty"`
ParentGasLimit uint64 `json:"parentGasLimit,omitempty"`
GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
Number uint64 `json:"currentNumber" gencodec:"required"`
Timestamp uint64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp uint64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *big.Int `json:"currentBaseFee,omitempty"`
ParentUncleHash common.Hash `json:"parentUncleHash"`
ExcessBlobGas *uint64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *uint64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *uint64 `json:"parentBlobGasUsed,omitempty"`
ParentBeaconBlockRoot *common.Hash `json:"parentBeaconBlockRoot"`
}
type stEnvMarshaling struct {
@ -182,6 +183,10 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
chainConfig.DAOForkBlock.Cmp(new(big.Int).SetUint64(pre.Env.Number)) == 0 {
misc.ApplyDAOHardFork(statedb)
}
if beaconRoot := pre.Env.ParentBeaconBlockRoot; beaconRoot != nil {
evm := vm.NewEVM(vmContext, vm.TxContext{}, statedb, chainConfig, vmConfig)
core.ProcessBeaconBlockRoot(*beaconRoot, evm, statedb)
}
var blobGasUsed uint64
for i, tx := range txs {
if tx.Type() == types.BlobTxType && vmContext.ExcessBlobGas == nil {

82
cmd/evm/internal/t8ntool/gen_stenv.go
View file

@ -17,25 +17,26 @@ var _ = (*stEnvMarshaling)(nil)
// MarshalJSON marshals as JSON.
func (s stEnv) MarshalJSON() ([]byte, error) {
type stEnv struct {
Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"`
ParentGasUsed math.HexOrDecimal64 `json:"parentGasUsed,omitempty"`
ParentGasLimit math.HexOrDecimal64 `json:"parentGasLimit,omitempty"`
GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp math.HexOrDecimal64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"`
ParentUncleHash common.Hash `json:"parentUncleHash"`
ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"`
Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"`
ParentGasUsed math.HexOrDecimal64 `json:"parentGasUsed,omitempty"`
ParentGasLimit math.HexOrDecimal64 `json:"parentGasLimit,omitempty"`
GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp math.HexOrDecimal64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"`
ParentUncleHash common.Hash `json:"parentUncleHash"`
ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"`
ParentBeaconBlockRoot *common.Hash `json:"parentBeaconBlockRoot"`
}
var enc stEnv
enc.Coinbase = common.UnprefixedAddress(s.Coinbase)
@ -57,31 +58,33 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
enc.ExcessBlobGas = (*math.HexOrDecimal64)(s.ExcessBlobGas)
enc.ParentExcessBlobGas = (*math.HexOrDecimal64)(s.ParentExcessBlobGas)
enc.ParentBlobGasUsed = (*math.HexOrDecimal64)(s.ParentBlobGasUsed)
enc.ParentBeaconBlockRoot = s.ParentBeaconBlockRoot
return json.Marshal(&enc)
}
// UnmarshalJSON unmarshals from JSON.
func (s *stEnv) UnmarshalJSON(input []byte) error {
type stEnv struct {
Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"`
ParentGasUsed *math.HexOrDecimal64 `json:"parentGasUsed,omitempty"`
ParentGasLimit *math.HexOrDecimal64 `json:"parentGasLimit,omitempty"`
GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp *math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp *math.HexOrDecimal64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"`
ParentUncleHash *common.Hash `json:"parentUncleHash"`
ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"`
Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
ParentBaseFee *math.HexOrDecimal256 `json:"parentBaseFee,omitempty"`
ParentGasUsed *math.HexOrDecimal64 `json:"parentGasUsed,omitempty"`
ParentGasLimit *math.HexOrDecimal64 `json:"parentGasLimit,omitempty"`
GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp *math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
ParentTimestamp *math.HexOrDecimal64 `json:"parentTimestamp,omitempty"`
BlockHashes map[math.HexOrDecimal64]common.Hash `json:"blockHashes,omitempty"`
Ommers []ommer `json:"ommers,omitempty"`
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
BaseFee *math.HexOrDecimal256 `json:"currentBaseFee,omitempty"`
ParentUncleHash *common.Hash `json:"parentUncleHash"`
ExcessBlobGas *math.HexOrDecimal64 `json:"excessBlobGas,omitempty"`
ParentExcessBlobGas *math.HexOrDecimal64 `json:"parentExcessBlobGas,omitempty"`
ParentBlobGasUsed *math.HexOrDecimal64 `json:"parentBlobGasUsed,omitempty"`
ParentBeaconBlockRoot *common.Hash `json:"parentBeaconBlockRoot"`
}
var dec stEnv
if err := json.Unmarshal(input, &dec); err != nil {
@ -148,5 +151,8 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
if dec.ParentBlobGasUsed != nil {
s.ParentBlobGasUsed = (*uint64)(dec.ParentBlobGasUsed)
}
if dec.ParentBeaconBlockRoot != nil {
s.ParentBeaconBlockRoot = dec.ParentBeaconBlockRoot
}
return nil
}

8
cmd/evm/internal/t8ntool/transition.go
View file

@ -292,6 +292,14 @@ func Transition(ctx *cli.Context) error {
prestate.Env.Difficulty = calcDifficulty(chainConfig, env.Number, env.Timestamp,
env.ParentTimestamp, env.ParentDifficulty, env.ParentUncleHash)
}
if chainConfig.IsCancun(big.NewInt(int64(prestate.Env.Number)), prestate.Env.Timestamp) {
// We require EIP-4788 beacon root to be set in the env
if env.ParentBeaconBlockRoot == nil {
return NewError(ErrorConfig, errors.New("post-cancun env requires parentBeaconBlockRoot to be set"))
}
} else {
env.ParentBeaconBlockRoot = nil // un-set it if it has been set too early
}
// Run the test and aggregate the result
s, result, err := prestate.Apply(vmConfig, chainConfig, txs, ctx.Int64(RewardFlag.Name), getTracer)
if err != nil {

8
cmd/evm/t8n_test.go
View file

@ -267,6 +267,14 @@ func TestT8n(t *testing.T) {
output: t8nOutput{alloc: true, result: true},
expOut: "exp.json",
},
{ // More cancun tests
base: "./testdata/29",
input: t8nInput{
"alloc.json", "txs.json", "env.json", "Cancun", "",
},
output: t8nOutput{alloc: true, result: true},
expOut: "exp.json",
},
} {
args := []string{"t8n"}
args = append(args, tc.output.get()...)

3
cmd/evm/testdata/28/env.json vendored
View file

@ -18,5 +18,6 @@
"parentBlobGasUsed" : "0x00",
"blockHashes" : {
"0" : "0x3a9b485972e7353edd9152712492f0c58d89ef80623686b6bf947a4a6dce6cb6"
}
},
"parentBeaconBlockRoot": "0x0000beac00beac00beac00beac00beac00beac00beac00beac00beac00beac00"
}

16
cmd/evm/testdata/29/alloc.json vendored Normal file
View file

@ -0,0 +1,16 @@
{
"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
"balance" : "0x016345785d8a0000",
"code" : "0x",
"nonce" : "0x00",
"storage" : {
}
},
"0xBeAC00541d49391ED88ABF392bfC1F4dEa8c4143" : {
"balance" : "0x1",
"code" : "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
"nonce" : "0x00",
"storage" : {
}
}
}

20
cmd/evm/testdata/29/env.json vendored Normal file
View file

@ -0,0 +1,20 @@
{
"currentCoinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
"currentNumber" : "0x01",
"currentTimestamp" : "0x079e",
"currentGasLimit" : "0x7fffffffffffffff",
"previousHash" : "0x3a9b485972e7353edd9152712492f0c58d89ef80623686b6bf947a4a6dce6cb6",
"currentBlobGasUsed" : "0x00",
"parentTimestamp" : "0x03b6",
"parentDifficulty" : "0x00",
"parentUncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"currentRandom" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"withdrawals" : [
],
"parentBaseFee" : "0x0a",
"parentGasUsed" : "0x00",
"parentGasLimit" : "0x7fffffffffffffff",
"parentExcessBlobGas" : "0x00",
"parentBlobGasUsed" : "0x00",
"parentBeaconBlockRoot": "0x0000beac00beac00beac00beac00beac00beac00beac00beac00beac00beac00"
}

45
cmd/evm/testdata/29/exp.json vendored Normal file
View file

@ -0,0 +1,45 @@
{
"alloc": {
"0xbeac00541d49391ed88abf392bfc1f4dea8c4143": {
"code": "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
"storage": {
"0x000000000000000000000000000000000000000000000000000000000000079e": "0x000000000000000000000000000000000000000000000000000000000000079e",
"0x000000000000000000000000000000000000000000000000000000000001879e": "0x0000beac00beac00beac00beac00beac00beac00beac00beac00beac00beac00"
},
"balance": "0x1"
},
"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
"balance": "0x16345785d871db8",
"nonce": "0x1"
}
},
"result": {
"stateRoot": "0xecde4500714cc55d9e3f13e154f6db0b21b2aad708380c39d64d5295b32af8a7",
"txRoot": "0x248074fabe112f7d93917f292b64932394f835bb98da91f21501574d58ec92ab",
"receiptsRoot": "0xf78dfb743fbd92ade140711c8bbc542b5e307f0ab7984eff35d751969fe57efa",
"logsHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"receipts": [
{
"type": "0x2",
"root": "0x",
"status": "0x1",
"cumulativeGasUsed": "0x5208",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"logs": null,
"transactionHash": "0x84f70aba406a55628a0620f26d260f90aeb6ccc55fed6ec2ac13dd4f727032ed",
"contractAddress": "0x0000000000000000000000000000000000000000",
"gasUsed": "0x5208",
"effectiveGasPrice": null,
"blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"transactionIndex": "0x0"
}
],
"currentDifficulty": null,
"gasUsed": "0x5208",
"currentBaseFee": "0x9",
"withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"currentExcessBlobGas": "0x0",
"currentBlobGasUsed": "0x0"
}
}

29
cmd/evm/testdata/29/readme.md vendored Normal file
View file

@ -0,0 +1,29 @@
## EIP 4788
This test contains testcases for EIP-4788. The 4788-contract is
located at address ``, and this test executes a simple transaction. It also
implicitly invokes the system tx, which sets calls the contract and sets the
storage values
```
$ dir=./testdata/29/ && go run . t8n --state.fork=Cancun --input.alloc=$dir/alloc.json --input.txs=$dir/txs.json --input.env=$dir/env.json --output.alloc=stdout
INFO [08-15|20:07:56.335] Trie dumping started root=ecde45..2af8a7
INFO [08-15|20:07:56.335] Trie dumping complete accounts=2 elapsed="225.848µs"
INFO [08-15|20:07:56.335] Wrote file file=result.json
{
"alloc": {
"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
"balance": "0x16345785d871db8",
"nonce": "0x1"
},
"0xbeac00541d49391ed88abf392bfc1f4dea8c4143": {
"code": "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
"storage": {
"0x000000000000000000000000000000000000000000000000000000000000079e": "0x000000000000000000000000000000000000000000000000000000000000079e",
"0x000000000000000000000000000000000000000000000000000000000001879e": "0x0000beac00beac00beac00beac00beac00beac00beac00beac00beac00beac00"
},
"balance": "0x
}
}
}
```

19
cmd/evm/testdata/29/txs.json vendored Normal file
View file

@ -0,0 +1,19 @@
[
{
"input" : "0x",
"gas" : "0x10000000",
"nonce" : "0x0",
"to" : "0x1111111111111111111111111111111111111111",
"value" : "0x0",
"secretKey" : "0x45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
"chainId" : "0x1",
"type" : "0x2",
"v": "0x0",
"r": "0x0",
"s": "0x0",
"maxFeePerGas" : "0xfa0",
"maxPriorityFeePerGas" : "0x0",
"accessList" : [
]
}
]

41
core/state_processor.go
View file

@ -66,7 +66,6 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
blockNumber = block.Number()
allLogs []*types.Log
gp = new(GasPool).AddGas(block.GasLimit())
beaconRoot *common.Hash
)
// Mutate the block and state according to any hard-fork specs
if p.config.DAOForkSupport && p.config.DAOForkBlock != nil && p.config.DAOForkBlock.Cmp(block.Number()) == 0 {
@ -77,24 +76,8 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
vmenv = vm.NewEVM(context, vm.TxContext{}, statedb, p.config, cfg)
signer = types.MakeSigner(p.config, header.Number, header.Time)
)
if beaconRoot != nil {
// If EIP-4788 is enabled, we need to invoke the beaconroot storage contract with
// the new root
// TODO: Right now, I set the GasXX fields to 0. If this does not work,
// we can use the header.BaseFee and set that instead.
msg := &Message{
From: params.SystemAddress,
GasLimit: 100_000,
GasPrice: new(big.Int).SetUint64(0), // TODO use nil?
GasFeeCap: new(big.Int).SetUint64(0), // TODO use basefee?
GasTipCap: new(big.Int).SetUint64(0), // TODO use zero?
To: &params.BeaconRootsStorageAddress,
Data: (*beaconRoot)[:], // TODO use 4byte invocation?
}
vmenv.Reset(NewEVMTxContext(msg), statedb)
statedb.AddAddressToAccessList(params.BeaconRootsStorageAddress)
_, _, _ = vmenv.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 100_000, common.Big0)
statedb.Finalise(true)
if beaconRoot := block.BeaconRoot(); beaconRoot != nil {
ProcessBeaconBlockRoot(*beaconRoot, vmenv, statedb)
}
// Iterate over and process the individual transactions
for i, tx := range block.Transactions() {
@ -180,3 +163,23 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
vmenv := vm.NewEVM(blockContext, vm.TxContext{BlobHashes: tx.BlobHashes()}, statedb, config, cfg)
return applyTransaction(msg, config, gp, statedb, header.Number, header.Hash(), tx, usedGas, vmenv)
}
// ProcessBeaconBlockRoot applies the EIP-4788 system call to the beacon block root
// contract. This method is exported to be used in tests.
func ProcessBeaconBlockRoot(beaconRoot common.Hash, vmenv *vm.EVM, statedb *state.StateDB) {
// If EIP-4788 is enabled, we need to invoke the beaconroot storage contract with
// the new root
msg := &Message{
From: params.SystemAddress,
GasLimit: 100_000,
GasPrice: new(big.Int).SetUint64(0), // TODO use nil?
GasFeeCap: new(big.Int).SetUint64(0), // TODO use basefee?
GasTipCap: new(big.Int).SetUint64(0), // TODO use zero?
To: &params.BeaconRootsStorageAddress,
Data: beaconRoot[:], // TODO use 4byte invocation?
}
vmenv.Reset(NewEVMTxContext(msg), statedb)
statedb.AddAddressToAccessList(params.BeaconRootsStorageAddress)
_, _, _ = vmenv.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 100_000, common.Big0)
statedb.Finalise(true)
}

2
core/types/block.go
View file

@ -383,6 +383,8 @@ func (b *Block) BaseFee() *big.Int {
return new(big.Int).Set(b.header.BaseFee)
}
func (b *Block) BeaconRoot() *common.Hash { return b.header.BeaconRoot }
func (b *Block) ExcessBlobGas() *uint64 {
var excessBlobGas *uint64
if b.header.ExcessBlobGas != nil {

6
params/protocol_params.go
View file

@ -184,6 +184,8 @@ var (
MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be.
DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
BeaconRootsStorageAddress common.Address = common.BytesToAddress([]byte{0xb}) // Address where historical beacon roots are stored as per EIP-4788
SystemAddress common.Address = common.Address{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}
// BeaconRootsStorageAddress is the address where historical beacon roots are stored as per EIP-4788
BeaconRootsStorageAddress = common.HexToAddress("0xBeAC00541d49391ED88ABF392bfC1F4dEa8c4143")
// SystemAddress is where the system-transaction is sent from as per EIP-4788
SystemAddress common.Address = common.HexToAddress("0xfffffffffffffffffffffffffffffffffffffffe")
)