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feat: eth: Avoid StateCompute in EthTxnReceipt lookup #10460

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merged 2 commits into from
Mar 13, 2023
Merged

feat: eth: Avoid StateCompute in EthTxnReceipt lookup #10460

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c4c6f5e
feat: eth: Avoid StateCompute in EthTxnReceipt lookup
raulk Mar 13, 2023
90cd1dc
chore: fix review nits
Stebalien Mar 13, 2023
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35 changes: 20 additions & 15 deletions node/impl/full/eth.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ import (
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/types/ethtypes"
"github.com/filecoin-project/lotus/chain/vm"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)

Expand Down Expand Up @@ -427,20 +428,15 @@ func (a *EthModule) EthGetTransactionReceipt(ctx context.Context, txHash ethtype
return nil, nil
}

replay, err := a.StateAPI.StateReplay(ctx, types.EmptyTSK, c)
if err != nil {
return nil, nil
}

var events []types.Event
if rct := replay.MsgRct; rct != nil && rct.EventsRoot != nil {
if rct := msgLookup.Receipt; rct.EventsRoot != nil {
events, err = a.ChainAPI.ChainGetEvents(ctx, *rct.EventsRoot)
if err != nil {
return nil, nil
}
}

receipt, err := newEthTxReceipt(ctx, tx, replay, events, a.StateAPI)
receipt, err := newEthTxReceipt(ctx, tx, msgLookup, events, a.Chain, a.StateAPI)
if err != nil {
return nil, nil
}
Expand Down Expand Up @@ -2046,7 +2042,7 @@ func newEthTxFromMessageLookup(ctx context.Context, msgLookup *api.MsgLookup, tx
return tx, nil
}

func newEthTxReceipt(ctx context.Context, tx ethtypes.EthTx, replay *api.InvocResult, events []types.Event, sa StateAPI) (api.EthTxReceipt, error) {
func newEthTxReceipt(ctx context.Context, tx ethtypes.EthTx, lookup *api.MsgLookup, events []types.Event, cs *store.ChainStore, sa StateAPI) (api.EthTxReceipt, error) {
var (
transactionIndex ethtypes.EthUint64
blockHash ethtypes.EthHash
Expand Down Expand Up @@ -2075,25 +2071,34 @@ func newEthTxReceipt(ctx context.Context, tx ethtypes.EthTx, replay *api.InvocRe
LogsBloom: ethtypes.EmptyEthBloom[:],
}

if replay.MsgRct.ExitCode.IsSuccess() {
if lookup.Receipt.ExitCode.IsSuccess() {
receipt.Status = 1
}
if replay.MsgRct.ExitCode.IsError() {
} else {
receipt.Status = 0
}

receipt.GasUsed = ethtypes.EthUint64(replay.MsgRct.GasUsed)
receipt.GasUsed = ethtypes.EthUint64(lookup.Receipt.GasUsed)

// TODO: handle CumulativeGasUsed
receipt.CumulativeGasUsed = ethtypes.EmptyEthInt

effectiveGasPrice := big.Div(replay.GasCost.TotalCost, big.NewInt(replay.MsgRct.GasUsed))
// TODO: avoid loading the tipset twice (once here, once when we convert the message to a txn)
ts, err := cs.GetTipSetFromKey(ctx, lookup.TipSet)
if err != nil {
return api.EthTxReceipt{}, xerrors.Errorf("failed to lookup tipset %s when constructing the eth txn receipt: %w", lookup.TipSet, err)
}

baseFee := ts.Blocks()[0].ParentBaseFee
gasOutputs := vm.ComputeGasOutputs(lookup.Receipt.GasUsed, int64(tx.Gas), baseFee, big.Int(tx.MaxFeePerGas), big.Int(tx.MaxPriorityFeePerGas), true)
totalSpent := big.Sum(gasOutputs.BaseFeeBurn, gasOutputs.MinerTip, gasOutputs.OverEstimationBurn)

effectiveGasPrice := big.Div(totalSpent, big.NewInt(lookup.Receipt.GasUsed))
receipt.EffectiveGasPrice = ethtypes.EthBigInt(effectiveGasPrice)

if receipt.To == nil && replay.MsgRct.ExitCode.IsSuccess() {
if receipt.To == nil && lookup.Receipt.ExitCode.IsSuccess() {
// Create and Create2 return the same things.
var ret eam.CreateExternalReturn
if err := ret.UnmarshalCBOR(bytes.NewReader(replay.MsgRct.Return)); err != nil {
if err := ret.UnmarshalCBOR(bytes.NewReader(lookup.Receipt.Return)); err != nil {
return api.EthTxReceipt{}, xerrors.Errorf("failed to parse contract creation result: %w", err)
}
addr := ethtypes.EthAddress(ret.EthAddress)
Expand Down