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nip77: one small useless optimization.

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This commit is contained in:
fiatjaf
2025-11-13 16:18:49 -03:00
parent c20ca669cd
commit 312cc32da5
1 changed files with 8 additions and 2 deletions
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8
nip77/negentropy/negentropy.go
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@@ -124,6 +124,7 @@ func (n *Negentropy) reconcileAux(reader *bytes.Reader) ([]byte, error) {
var prevBound Bound var prevBound Bound
prevIndex := 0 prevIndex := 0
skipping := false // this means we are currently coalescing ranges into skip skipping := false // this means we are currently coalescing ranges into skip
var theirItems map[nostr.ID]struct{} // used to track stuff in IdListMode
partialOutput := bytes.NewBuffer(make([]byte, 0, 100)) partialOutput := bytes.NewBuffer(make([]byte, 0, 100))
for reader.Len() > 0 { for reader.Len() > 0 {
@@ -176,8 +177,13 @@ func (n *Negentropy) reconcileAux(reader *bytes.Reader) ([]byte, error) {
return nil, fmt.Errorf("failed to decode number of ids: %w", err) return nil, fmt.Errorf("failed to decode number of ids: %w", err)
} }
if theirItems == nil {
theirItems = make(map[nostr.ID]struct{}, numIds)
} else {
clear(theirItems) // reusing this from the last run
}
// what they have // what they have
theirItems := make(map[nostr.ID]struct{}, numIds)
for i := 0; i < numIds; i++ { for i := 0; i < numIds; i++ {
var id [32]byte var id [32]byte
if _, err := reader.Read(id[:]); err != nil { if _, err := reader.Read(id[:]); err != nil {