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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
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10
light/txpool.go
View File

@ -32,7 +32,6 @@ import (
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
const (
@ -69,6 +68,7 @@ type TxPool struct {
clearIdx uint64 // earliest block nr that can contain mined tx info
istanbul bool // Fork indicator whether we are in the istanbul stage.
eip2718 bool // Fork indicator whether we are in the eip2718 stage.
}
// TxRelayBackend provides an interface to the mechanism that forwards transacions
@ -90,7 +90,7 @@ type TxRelayBackend interface {
func NewTxPool(config *params.ChainConfig, chain *LightChain, relay TxRelayBackend) *TxPool {
pool := &TxPool{
config: config,
signer: types.NewEIP155Signer(config.ChainID),
signer: types.LatestSigner(config),
nonce: make(map[common.Address]uint64),
pending: make(map[common.Hash]*types.Transaction),
mined: make(map[common.Hash][]*types.Transaction),
@ -314,6 +314,7 @@ func (pool *TxPool) setNewHead(head *types.Header) {
// Update fork indicator by next pending block number
next := new(big.Int).Add(head.Number, big.NewInt(1))
pool.istanbul = pool.config.IsIstanbul(next)
pool.eip2718 = pool.config.IsYoloV3(next)
}
// Stop stops the light transaction pool
@ -381,7 +382,7 @@ func (pool *TxPool) validateTx(ctx context.Context, tx *types.Transaction) error
}
// Should supply enough intrinsic gas
gas, err := core.IntrinsicGas(tx.Data(), tx.To() == nil, true, pool.istanbul)
gas, err := core.IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil, true, pool.istanbul)
if err != nil {
return err
}
@ -430,8 +431,7 @@ func (pool *TxPool) add(ctx context.Context, tx *types.Transaction) error {
func (pool *TxPool) Add(ctx context.Context, tx *types.Transaction) error {
pool.mu.Lock()
defer pool.mu.Unlock()
data, err := rlp.EncodeToBytes(tx)
data, err := tx.MarshalBinary()
if err != nil {
return err
}