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core: implement EIP-8282: Builder Execution Requests

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MariusVanDerWijden 2026-06-15 17:05:32 +02:00
parent c5e22b6124
commit fba2bf7f92
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4 changed files with 37 additions and 1 deletions
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3
core/genesis.go
View file

@ -718,6 +718,9 @@ func DeveloperGenesisBlock(gasLimit uint64, faucet *common.Address) *Genesis {
params.HistoryStorageAddress: {Nonce: 1, Code: params.HistoryStorageCode, Balance: common.Big0},
params.WithdrawalQueueAddress: {Nonce: 1, Code: params.WithdrawalQueueCode, Balance: common.Big0},
params.ConsolidationQueueAddress: {Nonce: 1, Code: params.ConsolidationQueueCode, Balance: common.Big0},
// EIP-8282 - Builder Execution Requests
params.BuilderDepositAddress: {Nonce: 1, Code: params.BuilderDepositCode, Balance: common.Big0},
params.BuilderExitAddress: {Nonce: 1, Code: params.BuilderExitCode, Balance: common.Big0},
},
}
if faucet != nil {

24
core/state_processor.go
View file

@ -167,9 +167,9 @@ func PostExecution(ctx context.Context, config *params.ChainConfig, number *big.
if config.IsAmsterdam(number, time) {
blockAccessList = bal.NewConstructionBlockAccessList()
}
rules := config.Rules(number, true, time) // IsMerge is always true
// Read requests if Prague is enabled.
if config.IsPrague(number, time) {
rules := config.Rules(number, true, time) // IsMerge is always true
requests = [][]byte{}
// EIP-6110
@ -185,6 +185,16 @@ func PostExecution(ctx context.Context, config *params.ChainConfig, number *big.
return nil, nil, fmt.Errorf("failed to process consolidation queue: %w", err)
}
}
if config.IsAmsterdam(number, time) {
// EIP-8282
if err := ProcessBuilderDepositQueue(&requests, rules, evm, blockAccessIndex, blockAccessList); err != nil {
return nil, nil, fmt.Errorf("failed to process builder deposit queue: %w", err)
}
if err := ProcessBuilderExitQueue(&requests, rules, evm, blockAccessIndex, blockAccessList); err != nil {
return nil, nil, fmt.Errorf("failed to process builder exit queue: %w", err)
}
}
return requests, blockAccessList, nil
}
@ -361,6 +371,18 @@ func ProcessConsolidationQueue(requests *[][]byte, rules params.Rules, evm *vm.E
return processRequestsSystemCall(requests, rules, evm, 0x02, params.ConsolidationQueueAddress, blockAccessIndex, blockAccessList)
}
// ProcessBuilderDepositQueue calls the EIP-8282 builder deposit contract.
// It returns the opaque request data returned by the contract.
func ProcessBuilderDepositQueue(requests *[][]byte, rules params.Rules, evm *vm.EVM, blockAccessIndex uint32, blockAccessList *bal.ConstructionBlockAccessList) error {
return processRequestsSystemCall(requests, rules, evm, 0x03, params.BuilderDepositAddress, blockAccessIndex, blockAccessList)
}
// ProcessBuilderExitQueue calls the EIP-8282 builder exit contract.
// It returns the opaque request data returned by the contract.
func ProcessBuilderExitQueue(requests *[][]byte, rules params.Rules, evm *vm.EVM, blockAccessIndex uint32, blockAccessList *bal.ConstructionBlockAccessList) error {
return processRequestsSystemCall(requests, rules, evm, 0x04, params.BuilderExitAddress, blockAccessIndex, blockAccessList)
}
func processRequestsSystemCall(requests *[][]byte, rules params.Rules, evm *vm.EVM, requestType byte, addr common.Address, blockAccessIndex uint32, blockAccessList *bal.ConstructionBlockAccessList) error {
if tracer := evm.Config.Tracer; tracer != nil {
onSystemCallStart(tracer, evm.GetVMContext())

5
params/config.go
View file

@ -1198,6 +1198,11 @@ func (c *ChainConfig) BlobConfig(fork forks.Fork) *BlobConfig {
func (c *ChainConfig) ActiveSystemContracts(time uint64) map[string]common.Address {
fork := c.LatestFork(time)
active := make(map[string]common.Address)
if fork >= forks.Amsterdam {
// EIP-8282 - Builder Execution Requests
active["BUILDER_DEPOSIT_CONTRACT_ADDRESS"] = BuilderDepositAddress
active["BUILDER_EXIT_CONTRACT_ADDRESS"] = BuilderExitAddress
}
if fork >= forks.Osaka {
// no new system contracts
}

6
params/protocol_params.go
View file

@ -247,6 +247,12 @@ var (
// EIP-7251 - Increase the MAX_EFFECTIVE_BALANCE
ConsolidationQueueAddress = common.HexToAddress("0x0000BBdDc7CE488642fb579F8B00f3a590007251")
ConsolidationQueueCode = common.FromHex("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")
// EIP-8282 - Builder Execution Requests
BuilderDepositAddress = common.HexToAddress("0x0000000000000000000000000000000000007732")
BuilderDepositCode = common.FromHex("") // TODO (MariusVanDerWijden) add code
BuilderExitAddress = common.HexToAddress("0x0000000000000000000000000000000000007733")
BuilderExitCode = common.FromHex("") // TODO (MariusVanDerWijden) add code
)
// System log events.