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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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12
core/tx_pool.go
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@ -229,6 +229,7 @@ type TxPool struct {
mu sync.RWMutex
istanbul bool // Fork indicator whether we are in the istanbul stage.
eip2718 bool // Fork indicator whether we are using EIP-2718 type transactions.
currentState *state.StateDB // Current state in the blockchain head
pendingNonces *txNoncer // Pending state tracking virtual nonces
@ -268,7 +269,7 @@ func NewTxPool(config TxPoolConfig, chainconfig *params.ChainConfig, chain block
config: config,
chainconfig: chainconfig,
chain: chain,
signer: types.NewEIP155Signer(chainconfig.ChainID),
signer: types.LatestSigner(chainconfig),
pending: make(map[common.Address]*txList),
queue: make(map[common.Address]*txList),
beats: make(map[common.Address]time.Time),
@ -522,6 +523,10 @@ func (pool *TxPool) local() map[common.Address]types.Transactions {
// validateTx checks whether a transaction is valid according to the consensus
// rules and adheres to some heuristic limits of the local node (price and size).
func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
// Accept only legacy transactions until EIP-2718/2930 activates.
if !pool.eip2718 && tx.Type() != types.LegacyTxType {
return ErrTxTypeNotSupported
}
// Reject transactions over defined size to prevent DOS attacks
if uint64(tx.Size()) > txMaxSize {
return ErrOversizedData
@ -535,7 +540,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
if pool.currentMaxGas < tx.Gas() {
return ErrGasLimit
}
// Make sure the transaction is signed properly
// Make sure the transaction is signed properly.
from, err := types.Sender(pool.signer, tx)
if err != nil {
return ErrInvalidSender
@ -554,7 +559,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
return ErrInsufficientFunds
}
// Ensure the transaction has more gas than the basic tx fee.
intrGas, err := IntrinsicGas(tx.Data(), tx.To() == nil, true, pool.istanbul)
intrGas, err := IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil, true, pool.istanbul)
if err != nil {
return err
}
@ -1199,6 +1204,7 @@ func (pool *TxPool) reset(oldHead, newHead *types.Header) {
// Update all fork indicator by next pending block number.
next := new(big.Int).Add(newHead.Number, big.NewInt(1))
pool.istanbul = pool.chainconfig.IsIstanbul(next)
pool.eip2718 = pool.chainconfig.IsYoloV3(next)
}
// promoteExecutables moves transactions that have become processable from the