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eip-4844: extensions to compute fees for data blobs (#7328)

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Small additions that will be used to compute data blob fees and to
verify transactions for "willingness" to pay for these fees.
This commit is contained in:
racytech 2023-04-21 16:07:54 +06:00 committed by GitHub
parent e96036fe33
commit ef71909c34
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 25 additions and 6 deletions
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4
accounts/abi/bind/backends/simulated.go
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@ -805,6 +805,10 @@ func (m callMsg) Data() []byte { return m.CallMsg.Data }
func (m callMsg) AccessList() types2.AccessList { return m.CallMsg.AccessList }
func (m callMsg) IsFree() bool { return false }
func (m callMsg) DataGas() uint64 { return params.DataGasPerBlob * uint64(len(m.CallMsg.DataHashes)) }
func (m callMsg) MaxFeePerDataGas() *uint256.Int { return m.CallMsg.MaxFeePerDataGas }
func (m callMsg) DataHashes() []libcommon.Hash { return m.CallMsg.DataHashes }
/*
// filterBackend implements filters.Backend to support filtering for logs without
// taking bloom-bits acceleration structures into account.

7
core/state_transition.go
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@ -84,12 +84,15 @@ type Message interface {
FeeCap() *uint256.Int
Tip() *uint256.Int
Gas() uint64
DataGas() uint64
MaxFeePerDataGas() *uint256.Int
Value() *uint256.Int
Nonce() uint64
CheckNonce() bool
Data() []byte
AccessList() types2.AccessList
DataHashes() []libcommon.Hash
IsFree() bool
}
@ -449,3 +452,7 @@ func (st *StateTransition) refundGas(refundQuotient uint64) {
func (st *StateTransition) gasUsed() uint64 {
return st.initialGas - st.gas
}
func (st *StateTransition) dataGasUsed() uint64 {
return uint64(len(st.msg.DataHashes())) * params.DataGasPerBlob
}

6
core/types/transaction.go
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@ -36,6 +36,7 @@ import (
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/common/math"
"github.com/ledgerwatch/erigon/crypto"
"github.com/ledgerwatch/erigon/params"
"github.com/ledgerwatch/erigon/rlp"
)
@ -531,6 +532,11 @@ func (m *Message) ChangeGas(globalGasCap, desiredGas uint64) {
m.gasLimit = gas
}
func (m Message) DataGas() uint64 { return params.DataGasPerBlob * uint64(len(m.dataHashes)) }
func (m Message) MaxFeePerDataGas() *uint256.Int {
return &m.maxFeePerDataGas
}
func (m Message) DataHashes() []libcommon.Hash { return m.dataHashes }
func DecodeSSZ(data []byte, dest codec.Deserializable) error {

14
interfaces.go
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@ -116,16 +116,18 @@ type ChainSyncReader interface {
// CallMsg contains parameters for contract calls.
type CallMsg struct {
From libcommon.Address // the sender of the 'transaction'
To *libcommon.Address // the destination contract (nil for contract creation)
Gas uint64 // if 0, the call executes with near-infinite gas
GasPrice *uint256.Int // wei <-> gas exchange ratio
Value *uint256.Int // amount of wei sent along with the call
Data []byte // input data, usually an ABI-encoded contract method invocation
From libcommon.Address // the sender of the 'transaction'
To *libcommon.Address // the destination contract (nil for contract creation)
Gas uint64 // if 0, the call executes with near-infinite gas
MaxFeePerDataGas *uint256.Int // EIP-4844 max_fee_per_data_gas
GasPrice *uint256.Int // wei <-> gas exchange ratio
Value *uint256.Int // amount of wei sent along with the call
Data []byte // input data, usually an ABI-encoded contract method invocation
FeeCap *uint256.Int // EIP-1559 fee cap per gas.
Tip *uint256.Int // EIP-1559 tip per gas.
AccessList types2.AccessList // EIP-2930 access list.
DataHashes []libcommon.Hash // EIP-4844 versioned data hashes.
}
// A ContractCaller provides contract calls, essentially transactions that are executed by