gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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

Browse Source 
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

33
core/state_prefetcher.go
View File

@ -19,7 +19,6 @@ package core
import (
"sync/atomic"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
@ -50,8 +49,11 @@ func newStatePrefetcher(config *params.ChainConfig, bc *BlockChain, engine conse
// only goal is to pre-cache transaction signatures and state trie nodes.
func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, cfg vm.Config, interrupt *uint32) {
var (
header = block.Header()
gaspool = new(GasPool).AddGas(block.GasLimit())
header = block.Header()
gaspool = new(GasPool).AddGas(block.GasLimit())
blockContext = NewEVMBlockContext(header, p.bc, nil)
evm = vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
signer = types.MakeSigner(p.config, header.Number)
)
// Iterate over and process the individual transactions
byzantium := p.config.IsByzantium(block.Number())
@ -60,9 +62,13 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
if interrupt != nil && atomic.LoadUint32(interrupt) == 1 {
return
}
// Block precaching permitted to continue, execute the transaction
// Convert the transaction into an executable message and pre-cache its sender
msg, err := tx.AsMessage(signer)
if err != nil {
return // Also invalid block, bail out
}
statedb.Prepare(tx.Hash(), block.Hash(), i)
if err := precacheTransaction(p.config, p.bc, nil, gaspool, statedb, header, tx, cfg); err != nil {
if err := precacheTransaction(msg, p.config, gaspool, statedb, header, evm); err != nil {
return // Ugh, something went horribly wrong, bail out
}
// If we're pre-byzantium, pre-load trie nodes for the intermediate root
@ -79,17 +85,10 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
// precacheTransaction attempts to apply a transaction to the given state database
// and uses the input parameters for its environment. The goal is not to execute
// the transaction successfully, rather to warm up touched data slots.
func precacheTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gaspool *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, cfg vm.Config) error {
// Convert the transaction into an executable message and pre-cache its sender
msg, err := tx.AsMessage(types.MakeSigner(config, header.Number))
if err != nil {
return err
}
// Create the EVM and execute the transaction
context := NewEVMBlockContext(header, bc, author)
txContext := NewEVMTxContext(msg)
vm := vm.NewEVM(context, txContext, statedb, config, cfg)
_, err = ApplyMessage(vm, msg, gaspool)
func precacheTransaction(msg types.Message, config *params.ChainConfig, gaspool *GasPool, statedb *state.StateDB, header *types.Header, evm *vm.EVM) error {
// Update the evm with the new transaction context.
evm.Reset(NewEVMTxContext(msg), statedb)
// Add addresses to access list if applicable
_, err := ApplyMessage(evm, msg, gaspool)
return err
}