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feat: extend eth_estimateGas api with state override

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This commit is contained in:
Gerui Wang 2024-05-01 16:27:11 +08:00
parent 4178a97560
commit 0f96fc89aa
1 changed files with 6 additions and 4 deletions
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10
internal/ethapi/api.go
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@ -1301,13 +1301,15 @@ func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNrOr
return (hexutil.Bytes)(result), vmErr
}
func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Uint64, error) {
func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Uint64, error) {
// Retrieve the base state and mutate it with any overrides
state, _, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return 0, err
}
if err = overrides.Apply(state); err != nil {
return 0, err
}
// Binary search the gas requirement, as it may be higher than the amount used
var (
lo uint64 = params.TxGas - 1
@ -1400,12 +1402,12 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
// EstimateGas returns an estimate of the amount of gas needed to execute the
// given transaction against the current pending block.
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs, blockNrOrHash *rpc.BlockNumberOrHash) (hexutil.Uint64, error) {
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs, blockNrOrHash *rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Uint64, error) {
bNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber)
if blockNrOrHash != nil {
bNrOrHash = *blockNrOrHash
}
return DoEstimateGas(ctx, s.b, args, bNrOrHash)
return DoEstimateGas(ctx, s.b, args, bNrOrHash, overrides)
}
// ExecutionResult groups all structured logs emitted by the EVM