* all: bump go-ethereum to v1.10.4 * build * state transition and rpc * wip rpc changes * fix refund * fixes * no base fee param * ante handler * undo change * fix test * bump deps * calculate base fee * gRPC base fee query * update RPC * fix * update' * go.mod * fix build * fix panic * rm changes in third_party * json rpc changes * reserved fields * fixes fixes fixes * rm no stringer * fixes 2 * tests wip * bump geth version * update * grpc traceTx * rm fee market from ante * fix TransactionArgs * lint * update proto * update tx args * changelog
573 lines
20 KiB
Go
573 lines
20 KiB
Go
package ante
|
||
|
||
import (
|
||
"errors"
|
||
"math/big"
|
||
|
||
"github.com/palantir/stacktrace"
|
||
|
||
sdk "github.com/cosmos/cosmos-sdk/types"
|
||
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
||
authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
|
||
|
||
ethermint "github.com/tharsis/ethermint/types"
|
||
evmkeeper "github.com/tharsis/ethermint/x/evm/keeper"
|
||
evmtypes "github.com/tharsis/ethermint/x/evm/types"
|
||
|
||
"github.com/ethereum/go-ethereum/common"
|
||
"github.com/ethereum/go-ethereum/core"
|
||
ethtypes "github.com/ethereum/go-ethereum/core/types"
|
||
"github.com/ethereum/go-ethereum/core/vm"
|
||
"github.com/ethereum/go-ethereum/params"
|
||
)
|
||
|
||
// EVMKeeper defines the expected keeper interface used on the Eth AnteHandler
|
||
type EVMKeeper interface {
|
||
vm.StateDB
|
||
|
||
ChainID() *big.Int
|
||
GetParams(ctx sdk.Context) evmtypes.Params
|
||
WithContext(ctx sdk.Context)
|
||
ResetRefundTransient(ctx sdk.Context)
|
||
NewEVM(msg core.Message, config *params.ChainConfig, params evmtypes.Params, coinbase common.Address, baseFee *big.Int, tracer vm.Tracer) *vm.EVM
|
||
GetCodeHash(addr common.Address) common.Hash
|
||
DeductTxCostsFromUserBalance(
|
||
ctx sdk.Context, msgEthTx evmtypes.MsgEthereumTx, txData evmtypes.TxData, denom string, homestead, istanbul, london bool,
|
||
) (sdk.Coins, error)
|
||
}
|
||
|
||
// EthSigVerificationDecorator validates an ethereum signatures
|
||
type EthSigVerificationDecorator struct {
|
||
evmKeeper EVMKeeper
|
||
}
|
||
|
||
// NewEthSigVerificationDecorator creates a new EthSigVerificationDecorator
|
||
func NewEthSigVerificationDecorator(ek EVMKeeper) EthSigVerificationDecorator {
|
||
return EthSigVerificationDecorator{
|
||
evmKeeper: ek,
|
||
}
|
||
}
|
||
|
||
// AnteHandle validates checks that the registered chain id is the same as the one on the message, and
|
||
// that the signer address matches the one defined on the message.
|
||
// It's not skipped for RecheckTx, because it set `From` address which is critical from other ante handler to work.
|
||
// Failure in RecheckTx will prevent tx to be included into block, especially when CheckTx succeed, in which case user
|
||
// won't see the error message.
|
||
func (esvd EthSigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
|
||
if tx == nil || len(tx.GetMsgs()) != 1 {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "only 1 ethereum msg supported per tx"),
|
||
"",
|
||
)
|
||
}
|
||
|
||
chainID := esvd.evmKeeper.ChainID()
|
||
|
||
params := esvd.evmKeeper.GetParams(ctx)
|
||
|
||
ethCfg := params.ChainConfig.EthereumConfig(chainID)
|
||
blockNum := big.NewInt(ctx.BlockHeight())
|
||
signer := ethtypes.MakeSigner(ethCfg, blockNum)
|
||
|
||
msg := tx.GetMsgs()[0]
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction",
|
||
)
|
||
}
|
||
|
||
sender, err := signer.Sender(msgEthTx.AsTransaction())
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrap(sdkerrors.ErrorInvalidSigner, err.Error()),
|
||
"couldn't retrieve sender address ('%s') from the ethereum transaction",
|
||
msgEthTx.From,
|
||
)
|
||
}
|
||
|
||
// set up the sender to the transaction field if not already
|
||
msgEthTx.From = sender.Hex()
|
||
|
||
return next(ctx, msgEthTx, simulate)
|
||
}
|
||
|
||
// EthAccountVerificationDecorator validates an account balance checks
|
||
type EthAccountVerificationDecorator struct {
|
||
ak evmtypes.AccountKeeper
|
||
bankKeeper evmtypes.BankKeeper
|
||
evmKeeper EVMKeeper
|
||
}
|
||
|
||
// NewEthAccountVerificationDecorator creates a new EthAccountVerificationDecorator
|
||
func NewEthAccountVerificationDecorator(ak evmtypes.AccountKeeper, bankKeeper evmtypes.BankKeeper, ek EVMKeeper) EthAccountVerificationDecorator {
|
||
return EthAccountVerificationDecorator{
|
||
ak: ak,
|
||
bankKeeper: bankKeeper,
|
||
evmKeeper: ek,
|
||
}
|
||
}
|
||
|
||
// AnteHandle validates checks that the sender balance is greater than the total transaction cost.
|
||
// The account will be set to store if it doesn't exis, i.e cannot be found on store.
|
||
// This AnteHandler decorator will fail if:
|
||
// - any of the msgs is not a MsgEthereumTx
|
||
// - from address is empty
|
||
// - account balance is lower than the transaction cost
|
||
func (avd EthAccountVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
|
||
if !ctx.IsCheckTx() {
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
avd.evmKeeper.WithContext(ctx)
|
||
evmDenom := avd.evmKeeper.GetParams(ctx).EvmDenom
|
||
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to unpack tx data any for tx %d", i)
|
||
}
|
||
|
||
// sender address should be in the tx cache from the previous AnteHandle call
|
||
from := msgEthTx.GetFrom()
|
||
if from.Empty() {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "from address cannot be empty"),
|
||
"sender address should have been in the tx field from the previous AnteHandle call",
|
||
)
|
||
}
|
||
|
||
// check whether the sender address is EOA
|
||
fromAddr := common.BytesToAddress(from)
|
||
codeHash := avd.evmKeeper.GetCodeHash(fromAddr)
|
||
if codeHash != common.BytesToHash(evmtypes.EmptyCodeHash) {
|
||
return ctx, stacktrace.Propagate(sdkerrors.Wrapf(sdkerrors.ErrInvalidType,
|
||
"the sender is not EOA: address <%v>, codeHash <%s>", fromAddr, codeHash), "")
|
||
}
|
||
|
||
acc := avd.ak.GetAccount(ctx, from)
|
||
if acc == nil {
|
||
acc = avd.ak.NewAccountWithAddress(ctx, from)
|
||
avd.ak.SetAccount(ctx, acc)
|
||
}
|
||
|
||
if err := evmkeeper.CheckSenderBalance(ctx, avd.bankKeeper, from, txData, evmDenom); err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to check sender balance")
|
||
}
|
||
|
||
}
|
||
// recover the original gas meter
|
||
avd.evmKeeper.WithContext(ctx)
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// EthNonceVerificationDecorator checks that the account nonce from the transaction matches
|
||
// the sender account sequence.
|
||
type EthNonceVerificationDecorator struct {
|
||
ak evmtypes.AccountKeeper
|
||
}
|
||
|
||
// NewEthNonceVerificationDecorator creates a new EthNonceVerificationDecorator
|
||
func NewEthNonceVerificationDecorator(ak evmtypes.AccountKeeper) EthNonceVerificationDecorator {
|
||
return EthNonceVerificationDecorator{
|
||
ak: ak,
|
||
}
|
||
}
|
||
|
||
// AnteHandle validates that the transaction nonces are valid and equivalent to the sender account’s
|
||
// current nonce.
|
||
func (nvd EthNonceVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
|
||
// no need to check the nonce on ReCheckTx
|
||
if ctx.IsReCheckTx() {
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
// sender address should be in the tx cache from the previous AnteHandle call
|
||
seq, err := nvd.ak.GetSequence(ctx, msgEthTx.GetFrom())
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "sequence not found for address %s", msgEthTx.From)
|
||
}
|
||
|
||
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to unpack tx data")
|
||
}
|
||
|
||
// if multiple transactions are submitted in succession with increasing nonces,
|
||
// all will be rejected except the first, since the first needs to be included in a block
|
||
// before the sequence increments
|
||
if txData.GetNonce() != seq {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(
|
||
sdkerrors.ErrInvalidSequence,
|
||
"invalid nonce; got %d, expected %d", txData.GetNonce(), seq,
|
||
),
|
||
"",
|
||
)
|
||
}
|
||
}
|
||
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// EthGasConsumeDecorator validates enough intrinsic gas for the transaction and
|
||
// gas consumption.
|
||
type EthGasConsumeDecorator struct {
|
||
evmKeeper EVMKeeper
|
||
}
|
||
|
||
// NewEthGasConsumeDecorator creates a new EthGasConsumeDecorator
|
||
func NewEthGasConsumeDecorator(
|
||
evmKeeper EVMKeeper,
|
||
) EthGasConsumeDecorator {
|
||
return EthGasConsumeDecorator{
|
||
evmKeeper: evmKeeper,
|
||
}
|
||
}
|
||
|
||
// AnteHandle validates that the Ethereum tx message has enough to cover intrinsic gas
|
||
// (during CheckTx only) and that the sender has enough balance to pay for the gas cost.
|
||
//
|
||
// Intrinsic gas for a transaction is the amount of gas that the transaction uses before the
|
||
// transaction is executed. The gas is a constant value plus any cost inccured by additional bytes
|
||
// of data supplied with the transaction.
|
||
//
|
||
// This AnteHandler decorator will fail if:
|
||
// - the transaction contains more than one message
|
||
// - the message is not a MsgEthereumTx
|
||
// - sender account cannot be found
|
||
// - transaction's gas limit is lower than the intrinsic gas
|
||
// - user doesn't have enough balance to deduct the transaction fees (gas_limit * gas_price)
|
||
// - transaction or block gas meter runs out of gas
|
||
func (egcd EthGasConsumeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
|
||
// reset the refund gas value in the keeper for the current transaction
|
||
egcd.evmKeeper.ResetRefundTransient(ctx)
|
||
|
||
params := egcd.evmKeeper.GetParams(ctx)
|
||
|
||
ethCfg := params.ChainConfig.EthereumConfig(egcd.evmKeeper.ChainID())
|
||
|
||
blockHeight := big.NewInt(ctx.BlockHeight())
|
||
homestead := ethCfg.IsHomestead(blockHeight)
|
||
istanbul := ethCfg.IsIstanbul(blockHeight)
|
||
london := ethCfg.IsLondon(blockHeight)
|
||
evmDenom := params.EvmDenom
|
||
|
||
var events sdk.Events
|
||
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to unpack tx data")
|
||
}
|
||
|
||
fees, err := egcd.evmKeeper.DeductTxCostsFromUserBalance(
|
||
ctx,
|
||
*msgEthTx,
|
||
txData,
|
||
evmDenom,
|
||
homestead,
|
||
istanbul,
|
||
london,
|
||
)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to deduct transaction costs from user balance")
|
||
}
|
||
|
||
events = append(events, sdk.NewEvent(sdk.EventTypeTx, sdk.NewAttribute(sdk.AttributeKeyFee, fees.String())))
|
||
}
|
||
|
||
// TODO: change to typed events
|
||
ctx.EventManager().EmitEvents(events)
|
||
|
||
// TODO: deprecate after https://github.com/cosmos/cosmos-sdk/issues/9514 is fixed on SDK
|
||
blockGasLimit := ethermint.BlockGasLimit(ctx)
|
||
|
||
// NOTE: safety check
|
||
if blockGasLimit > 0 {
|
||
// generate a copy of the gas pool (i.e block gas meter) to see if we've run out of gas for this block
|
||
// if current gas consumed is greater than the limit, this funcion panics and the error is recovered on the Baseapp
|
||
gasPool := sdk.NewGasMeter(blockGasLimit)
|
||
gasPool.ConsumeGas(ctx.GasMeter().GasConsumedToLimit(), "gas pool check")
|
||
}
|
||
|
||
// we know that we have enough gas on the pool to cover the intrinsic gas
|
||
// set up the updated context to the evm Keeper
|
||
egcd.evmKeeper.WithContext(ctx)
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// CanTransferDecorator checks if the sender is allowed to transfer funds according to the EVM block
|
||
// context rules.
|
||
type CanTransferDecorator struct {
|
||
evmKeeper EVMKeeper
|
||
feemarketKeeper evmtypes.FeeMarketKeeper
|
||
}
|
||
|
||
// NewCanTransferDecorator creates a new CanTransferDecorator instance.
|
||
func NewCanTransferDecorator(evmKeeper EVMKeeper, fmk evmtypes.FeeMarketKeeper) CanTransferDecorator {
|
||
return CanTransferDecorator{
|
||
evmKeeper: evmKeeper,
|
||
feemarketKeeper: fmk,
|
||
}
|
||
}
|
||
|
||
// AnteHandle creates an EVM from the message and calls the BlockContext CanTransfer function to
|
||
// see if the address can execute the transaction.
|
||
func (ctd CanTransferDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
|
||
ctd.evmKeeper.WithContext(ctx)
|
||
|
||
params := ctd.evmKeeper.GetParams(ctx)
|
||
feeMktParams := ctd.feemarketKeeper.GetParams(ctx)
|
||
|
||
ethCfg := params.ChainConfig.EthereumConfig(ctd.evmKeeper.ChainID())
|
||
signer := ethtypes.MakeSigner(ethCfg, big.NewInt(ctx.BlockHeight()))
|
||
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
var baseFee *big.Int
|
||
if !feeMktParams.NoBaseFee {
|
||
baseFee = ctd.feemarketKeeper.GetBaseFee(ctx)
|
||
}
|
||
|
||
coreMsg, err := msgEthTx.AsMessage(signer, baseFee)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(
|
||
err,
|
||
"failed to create an ethereum core.Message from signer %T", signer,
|
||
)
|
||
}
|
||
|
||
// NOTE: pass in an empty coinbase address and nil tracer as we don't need them for the check below
|
||
evm := ctd.evmKeeper.NewEVM(coreMsg, ethCfg, params, common.Address{}, baseFee, evmtypes.NewNoOpTracer())
|
||
|
||
// check that caller has enough balance to cover asset transfer for **topmost** call
|
||
// NOTE: here the gas consumed is from the context with the infinite gas meter
|
||
if coreMsg.Value().Sign() > 0 && !evm.Context.CanTransfer(ctd.evmKeeper, coreMsg.From(), coreMsg.Value()) {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrInsufficientFunds, "address %s", coreMsg.From()),
|
||
"failed to transfer %s using the EVM block context transfer function", coreMsg.Value(),
|
||
)
|
||
}
|
||
|
||
if !feeMktParams.NoBaseFee && baseFee == nil {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrap(evmtypes.ErrInvalidBaseFee, "base fee is supported but evm block context value is nil"),
|
||
"address %s", coreMsg.From(),
|
||
)
|
||
}
|
||
|
||
if !feeMktParams.NoBaseFee && baseFee != nil && coreMsg.GasFeeCap().Cmp(baseFee) < 0 {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(evmtypes.ErrInvalidBaseFee, "max fee per gas less than block base fee (%s < %s)", coreMsg.GasFeeCap(), baseFee),
|
||
"address %s", coreMsg.From(),
|
||
)
|
||
}
|
||
}
|
||
|
||
ctd.evmKeeper.WithContext(ctx)
|
||
|
||
// set the original gas meter
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// AccessListDecorator prepare an access list for the sender if Yolov3/Berlin/EIPs 2929 and 2930 are
|
||
// applicable at the current block number.
|
||
type AccessListDecorator struct {
|
||
evmKeeper EVMKeeper
|
||
}
|
||
|
||
// NewAccessListDecorator creates a new AccessListDecorator.
|
||
func NewAccessListDecorator(evmKeeper EVMKeeper) AccessListDecorator {
|
||
return AccessListDecorator{
|
||
evmKeeper: evmKeeper,
|
||
}
|
||
}
|
||
|
||
// AnteHandle handles the preparatory steps for executing an EVM state transition with
|
||
// regards to both EIP-2929 and EIP-2930:
|
||
//
|
||
// - Add sender to access list (2929)
|
||
// - Add destination to access list (2929)
|
||
// - Add precompiles to access list (2929)
|
||
// - Add the contents of the optional tx access list (2930)
|
||
//
|
||
// The AnteHandler will only prepare the access list if Yolov3/Berlin/EIPs 2929 and 2930 are applicable at the current number.
|
||
func (ald AccessListDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
|
||
params := ald.evmKeeper.GetParams(ctx)
|
||
ethCfg := params.ChainConfig.EthereumConfig(ald.evmKeeper.ChainID())
|
||
|
||
rules := ethCfg.Rules(big.NewInt(ctx.BlockHeight()))
|
||
|
||
// we don't need to prepare the access list if the chain is not currently on the Berlin upgrade
|
||
if !rules.IsBerlin {
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// setup the keeper context before setting the access list
|
||
ald.evmKeeper.WithContext(ctx)
|
||
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
sender := common.BytesToAddress(msgEthTx.GetFrom())
|
||
|
||
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to unpack tx data")
|
||
}
|
||
|
||
ald.evmKeeper.PrepareAccessList(sender, txData.GetTo(), vm.ActivePrecompiles(rules), txData.GetAccessList())
|
||
}
|
||
|
||
// set the original gas meter
|
||
ald.evmKeeper.WithContext(ctx)
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// EthIncrementSenderSequenceDecorator increments the sequence of the signers.
|
||
type EthIncrementSenderSequenceDecorator struct {
|
||
ak evmtypes.AccountKeeper
|
||
}
|
||
|
||
// NewEthIncrementSenderSequenceDecorator creates a new EthIncrementSenderSequenceDecorator.
|
||
func NewEthIncrementSenderSequenceDecorator(ak evmtypes.AccountKeeper) EthIncrementSenderSequenceDecorator {
|
||
return EthIncrementSenderSequenceDecorator{
|
||
ak: ak,
|
||
}
|
||
}
|
||
|
||
// AnteHandle handles incrementing the sequence of the signer (i.e sender). If the transaction is a
|
||
// contract creation, the nonce will be incremented during the transaction execution and not within
|
||
// this AnteHandler decorator.
|
||
func (issd EthIncrementSenderSequenceDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
|
||
for i, msg := range tx.GetMsgs() {
|
||
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
|
||
if !ok {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil)),
|
||
"failed to cast transaction %d", i,
|
||
)
|
||
}
|
||
|
||
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
|
||
if err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to unpack tx data")
|
||
}
|
||
|
||
// NOTE: on contract creation, the nonce is incremented within the EVM Create function during tx execution
|
||
// and not previous to the state transition ¯\_(ツ)_/¯
|
||
if txData.GetTo() == nil {
|
||
// contract creation, don't increment sequence on AnteHandler but on tx execution
|
||
// continue to the next item
|
||
continue
|
||
}
|
||
|
||
// increment sequence of all signers
|
||
for _, addr := range msg.GetSigners() {
|
||
acc := issd.ak.GetAccount(ctx, addr)
|
||
|
||
if acc == nil {
|
||
return ctx, stacktrace.Propagate(
|
||
sdkerrors.Wrapf(
|
||
sdkerrors.ErrUnknownAddress,
|
||
"account %s (%s) is nil", common.BytesToAddress(addr.Bytes()), addr,
|
||
),
|
||
"signer account not found",
|
||
)
|
||
}
|
||
|
||
if err := acc.SetSequence(acc.GetSequence() + 1); err != nil {
|
||
return ctx, stacktrace.Propagate(err, "failed to set sequence to %d", acc.GetSequence()+1)
|
||
}
|
||
|
||
issd.ak.SetAccount(ctx, acc)
|
||
}
|
||
}
|
||
|
||
// set the original gas meter
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// EthValidateBasicDecorator is adapted from ValidateBasicDecorator from cosmos-sdk, it ignores ErrNoSignatures
|
||
type EthValidateBasicDecorator struct{}
|
||
|
||
// NewEthValidateBasicDecorator creates a new EthValidateBasicDecorator
|
||
func NewEthValidateBasicDecorator() EthValidateBasicDecorator {
|
||
return EthValidateBasicDecorator{}
|
||
}
|
||
|
||
// AnteHandle handles basic validation of tx
|
||
func (vbd EthValidateBasicDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
|
||
// no need to validate basic on recheck tx, call next antehandler
|
||
if ctx.IsReCheckTx() {
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
err := tx.ValidateBasic()
|
||
// ErrNoSignatures is fine with eth tx
|
||
if err != nil && !errors.Is(err, sdkerrors.ErrNoSignatures) {
|
||
return ctx, stacktrace.Propagate(err, "tx basic validation failed")
|
||
}
|
||
|
||
return next(ctx, tx, simulate)
|
||
}
|
||
|
||
// EthSetupContextDecorator is adapted from SetUpContextDecorator from cosmos-sdk, it ignores gas consumption
|
||
// by setting the gas meter to infinite
|
||
type EthSetupContextDecorator struct{}
|
||
|
||
func NewEthSetUpContextDecorator() EthSetupContextDecorator {
|
||
return EthSetupContextDecorator{}
|
||
}
|
||
|
||
func (esc EthSetupContextDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
|
||
// all transactions must implement GasTx
|
||
_, ok := tx.(authante.GasTx)
|
||
if !ok {
|
||
return newCtx, sdkerrors.Wrap(sdkerrors.ErrTxDecode, "Tx must be GasTx")
|
||
}
|
||
|
||
newCtx = ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
|
||
return next(newCtx, tx, simulate)
|
||
}
|