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all: add support for EIP-2718, EIP-2930 transactions (#21502)

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This adds support for EIP-2718 typed transactions as well as EIP-2930
access list transactions (tx type 1). These EIPs are scheduled for the
Berlin fork.

There very few changes to existing APIs in core/types, and several new APIs
to deal with access list transactions. In particular, there are two new
constructor functions for transactions: types.NewTx and types.SignNewTx.
Since the canonical encoding of typed transactions is not RLP-compatible,
Transaction now has new methods for encoding and decoding: MarshalBinary
and UnmarshalBinary.

The existing EIP-155 signer does not support the new transaction types.
All code dealing with transaction signatures should be updated to use the
newer EIP-2930 signer. To make this easier for future updates, we have
added new constructor functions for types.Signer: types.LatestSigner and
types.LatestSignerForChainID. 

This change also adds support for the YoloV3 testnet.

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
Co-authored-by: Ryan Schneider <ryanleeschneider@gmail.com>
This commit is contained in:
lightclient
2021-02-25 07:26:57 -07:00
committed by GitHub
parent 7a3c890009
commit bbfb1e4008
69 changed files with 2452 additions and 915 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
core/state_transition.go
View File

@ -22,6 +22,7 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/params"
)
@ -67,6 +68,7 @@ type Message interface {
Nonce() uint64
CheckNonce() bool
Data() []byte
AccessList() types.AccessList
}
// ExecutionResult includes all output after executing given evm
@ -105,10 +107,10 @@ func (result *ExecutionResult) Revert() []byte {
}
// IntrinsicGas computes the 'intrinsic gas' for a message with the given data.
func IntrinsicGas(data []byte, contractCreation, isHomestead bool, isEIP2028 bool) (uint64, error) {
func IntrinsicGas(data []byte, accessList types.AccessList, isContractCreation bool, isHomestead, isEIP2028 bool) (uint64, error) {
// Set the starting gas for the raw transaction
var gas uint64
if contractCreation && isHomestead {
if isContractCreation && isHomestead {
gas = params.TxGasContractCreation
} else {
gas = params.TxGas
@ -138,6 +140,10 @@ func IntrinsicGas(data []byte, contractCreation, isHomestead bool, isEIP2028 boo
}
gas += z * params.TxDataZeroGas
}
if accessList != nil {
gas += uint64(len(accessList)) * params.TxAccessListAddressGas
gas += uint64(accessList.StorageKeys()) * params.TxAccessListStorageKeyGas
}
return gas, nil
}
@ -238,7 +244,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
contractCreation := msg.To() == nil
// Check clauses 4-5, subtract intrinsic gas if everything is correct
gas, err := IntrinsicGas(st.data, contractCreation, homestead, istanbul)
gas, err := IntrinsicGas(st.data, st.msg.AccessList(), contractCreation, homestead, istanbul)
if err != nil {
return nil, err
}
@ -251,6 +257,12 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
if msg.Value().Sign() > 0 && !st.evm.Context.CanTransfer(st.state, msg.From(), msg.Value()) {
return nil, fmt.Errorf("%w: address %v", ErrInsufficientFundsForTransfer, msg.From().Hex())
}
// Set up the initial access list.
if st.evm.ChainConfig().IsYoloV3(st.evm.Context.BlockNumber) {
st.state.PrepareAccessList(msg.From(), msg.To(), st.evm.ActivePrecompiles(), msg.AccessList())
}
var (
ret []byte
vmerr error // vm errors do not effect consensus and are therefore not assigned to err