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more conversions.

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This commit is contained in:
fiatjaf
2025-04-15 00:00:03 -03:00
parent f9e4a5efa3
commit 376834cbf9
117 changed files with 450 additions and 1019 deletions
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24
nip77/negentropy/negentropy.go
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@@ -1,12 +1,13 @@
package negentropy
import (
"encoding/hex"
"fmt"
"math"
"strings"
"unsafe"
"fiatjaf.com/nostrlib"
"fiatjaf.com/nostr"
)
const (
@@ -15,7 +16,7 @@ const (
buckets = 16
)
var InfiniteBound = Bound{Item: Item{Timestamp: maxTimestamp}}
var InfiniteBound = Bound{Timestamp: maxTimestamp}
type Negentropy struct {
storage Storage
@@ -25,8 +26,8 @@ type Negentropy struct {
lastTimestampIn nostr.Timestamp
lastTimestampOut nostr.Timestamp
Haves chan string
HaveNots chan string
Haves chan nostr.ID
HaveNots chan nostr.ID
}
func New(storage Storage, frameSizeLimit int) *Negentropy {
@@ -39,8 +40,8 @@ func New(storage Storage, frameSizeLimit int) *Negentropy {
return &Negentropy{
storage: storage,
frameSizeLimit: frameSizeLimit,
Haves: make(chan string, buckets*4),
HaveNots: make(chan string, buckets*4),
Haves: make(chan nostr.ID, buckets*4),
HaveNots: make(chan nostr.ID, buckets*4),
}
}
@@ -158,9 +159,10 @@ func (n *Negentropy) reconcileAux(reader *StringHexReader) (string, error) {
}
// what they have
theirItems := make(map[string]struct{}, numIds)
theirItems := make(map[nostr.ID]struct{}, numIds)
for i := 0; i < numIds; i++ {
if id, err := reader.ReadString(64); err != nil {
var id [32]byte
if err := reader.ReadHexBytes(id[:]); err != nil {
return "", fmt.Errorf("failed to read id (#%d/%d) in list: %w", i, numIds, err)
} else {
theirItems[id] = struct{}{}
@@ -203,11 +205,11 @@ func (n *Negentropy) reconcileAux(reader *StringHexReader) (string, error) {
for index, item := range n.storage.Range(lower, upper) {
if n.frameSizeLimit-200 < fullOutput.Len()/2+responseIds.Len()/2 {
endBound = Bound{item}
endBound = Bound{item.Timestamp, item.ID[:]}
upper = index
break
}
responseIds.WriteString(item.ID)
responseIds.WriteString(hex.EncodeToString(item.ID[:]))
responses++
}
@@ -254,7 +256,7 @@ func (n *Negentropy) SplitRange(lower, upper int, upperBound Bound, output *Stri
writeVarInt(output, numElems)
for _, item := range n.storage.Range(lower, upper) {
output.WriteHex(item.ID)
output.WriteBytes(item.ID[:])
}
} else {
itemsPerBucket := numElems / buckets