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eth: add comment on stateAtTransaction method

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lightclient 2025-05-05 14:12:48 -06:00
parent 4738fdbb5b
commit fe368f6fbb
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1 changed files with 7 additions and 1 deletions
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8
eth/state_accessor.go
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@ -217,7 +217,13 @@ func (eth *Ethereum) stateAtBlock(ctx context.Context, block *types.Block, reexe
return eth.pathState(block) return eth.pathState(block)
} }
// stateAtTransaction returns the execution environment of a certain transaction. // stateAtTransaction returns the execution environment of a certain
// transaction.
//
// Note: when a block is empty and the state for tx index 0 is requested, this
// function will return the state of block after the pre-block operations have
// been completed (e.g. updating system contracts), but before post-block
// operations are completed (e.g. processing withdrawals).
func (eth *Ethereum) stateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*types.Transaction, vm.BlockContext, *state.StateDB, tracers.StateReleaseFunc, error) { func (eth *Ethereum) stateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (*types.Transaction, vm.BlockContext, *state.StateDB, tracers.StateReleaseFunc, error) {
// Short circuit if it's genesis block. // Short circuit if it's genesis block.
if block.NumberU64() == 0 { if block.NumberU64() == 0 {