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create CCN replaceable events

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This commit is contained in:
Danny Morabito 2025-03-18 16:04:38 +01:00
parent 583776d52a
commit 65c34e6811
Signed by: dannym
GPG key ID: 7CC8056A5A04557E
2 changed files with 63 additions and 20 deletions
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37
index.ts
View file

@ -9,6 +9,7 @@ import {
getCCNPubkey,
isAddressableEvent,
isArray,
isCCNReplaceableEvent,
isLocalhost,
isReplaceableEvent,
isValidJSON,
@ -207,6 +208,25 @@ function addEventToDb(
}
}
if (isCCNReplaceableEvent(decryptedEvent.kind)) {
const dTag = decryptedEvent.tags.find((tag) => tag[0] === "d")?.[1];
sql`
UPDATE events
SET replaced = 1
WHERE kind = ${decryptedEvent.kind}
AND created_at < ${decryptedEvent.created_at}
AND id IN (
SELECT event_id FROM event_tags
WHERE tag_name = 'd'
AND tag_id IN (
SELECT tag_id FROM event_tags_values
WHERE value_position = 1
AND value = ${dTag}
)
)
`(db);
}
sql`
INSERT INTO events (id, original_id, pubkey, created_at, kind, content, sig, first_seen) VALUES (
${decryptedEvent.id},
@ -472,6 +492,22 @@ function handleRequest(connection: UserConnection, request: NostrClientREQ) {
const aTagInfo = parseATagQuery(tagValue);
if (aTagInfo.dTag && aTagInfo.dTag !== "") {
if (isCCNReplaceableEvent(aTagInfo.kind)) {
// CCN replaceable event reference
query = mixQuery(
query,
sqlPartial`id IN (
SELECT e.id
FROM events e
JOIN event_tags t ON e.id = t.event_id
JOIN event_tags_values v ON t.tag_id = v.tag_id
WHERE e.kind = ${aTagInfo.kind}
AND t.tag_name = 'd'
AND v.value_position = 1
AND v.value = ${aTagInfo.dTag}
)`,
);
} else {
// Addressable event reference
query = mixQuery(
query,
@ -487,6 +523,7 @@ function handleRequest(connection: UserConnection, request: NostrClientREQ) {
AND v.value = ${aTagInfo.dTag}
)`,
);
}
} else {
// Replaceable event reference
query = mixQuery(

16
utils.ts
View file

@ -83,13 +83,19 @@ export function isRegularEvent(kind: number): boolean {
kind === 2;
}
export function parseATagQuery(aTagValue: string): { kind: number, pubkey: string, dTag?: string } {
const parts = aTagValue.split(':');
if (parts.length < 2) return { kind: 0, pubkey: '' };
export function isCCNReplaceableEvent(kind: number): boolean {
return (kind >= 60000 && kind < 65536) || kind === 0;
}
export function parseATagQuery(
aTagValue: string,
): { kind: number; pubkey: string; dTag?: string } {
const parts = aTagValue.split(":");
if (parts.length < 2) return { kind: 0, pubkey: "" };
return {
kind: parseInt(parts[0], 10),
kind: Number.parseInt(parts[0], 10),
pubkey: parts[1],
dTag: parts.length > 2 ? parts[2] : undefined
dTag: parts.length > 2 ? parts[2] : undefined,
};
}