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eth/protocols/eth: add comments in LogsSize

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This commit is contained in:
Felix Lange 2026-03-19 11:42:51 +01:00
parent 59ca98ddbe
commit 130470832f
1 changed files with 9 additions and 1 deletions
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10
eth/protocols/eth/receipt.go
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@ -207,15 +207,22 @@ func (rl *ReceiptList) Append(other *ReceiptList) {
rl.items.AppendList(&other.items)
}
// LogsSize returns the total size of log data in this receipts.
// LogsSize returns the total size of log data across all receipts of the list.
func (rl *ReceiptList) LogsSize() (uint64, error) {
var size uint64
it := rl.items.ContentIterator()
for it.Next() {
// The encoded receipts are of the form:
//
// [txType, status, cumulativeGasUsed, [logs...]]
//
// We want to count the size of logs.
// So we strip the outer list first:
content, _, err := rlp.SplitList(it.Value())
if err != nil {
return 0, fmt.Errorf("invalid receipt structure: %v", err)
}
// then skip over txType, status, cumulativeGasUsed:
rest := content
for range 3 {
_, _, rest, err = rlp.Split(rest)
@ -223,6 +230,7 @@ func (rl *ReceiptList) LogsSize() (uint64, error) {
return 0, fmt.Errorf("invalid receipt structure: %v", err)
}
}
// and finally access the logs list to get its inner size:
logsContent, _, err := rlp.SplitList(rest)
if err != nil {
return 0, fmt.Errorf("invalid receipt logs: %v", err)