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feat: pow

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This commit is contained in:
codytseng 2025-09-08 23:20:03 +08:00
parent 95f4b207d5
commit 4cc16d5e58
24 changed files with 191 additions and 67 deletions
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67
src/lib/draft-event.ts
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@ -10,6 +10,7 @@ import {
TPollCreateData,
TRelaySet
} from '@/types'
import { sha256 } from '@noble/hashes/sha2'
import dayjs from 'dayjs'
import { Event, kinds, nip19 } from 'nostr-tools'
import {
@ -22,6 +23,39 @@ import {
import { randomString } from './random'
import { generateBech32IdFromETag, tagNameEquals } from './tag'
const draftEventCache: Map<string, string> = new Map()
export function deleteDraftEventCache(draftEvent: TDraftEvent) {
const key = generateDraftEventCacheKey(draftEvent)
draftEventCache.delete(key)
}
function setDraftEventCache(baseDraft: Omit<TDraftEvent, 'created_at'>): TDraftEvent {
const cacheKey = generateDraftEventCacheKey(baseDraft)
const cache = draftEventCache.get(cacheKey)
if (cache) {
return JSON.parse(cache)
}
const draftEvent = { ...baseDraft, created_at: dayjs().unix() }
draftEventCache.set(cacheKey, JSON.stringify(draftEvent))
return draftEvent
}
function generateDraftEventCacheKey(draft: Omit<TDraftEvent, 'created_at'>) {
const str = JSON.stringify({
content: draft.content,
kind: draft.kind,
tags: draft.tags
})
const encoder = new TextEncoder()
const data = encoder.encode(str)
const hashBuffer = sha256(data)
const hashArray = Array.from(new Uint8Array(hashBuffer))
return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('')
}
// https://github.com/nostr-protocol/nips/blob/master/25.md
export function createReactionDraftEvent(event: Event, emoji: TEmoji | string = '+'): TDraftEvent {
const tags: string[][] = []
@ -68,7 +102,6 @@ export function createRepostDraftEvent(event: Event): TDraftEvent {
}
}
const shortTextNoteDraftEventCache: Map<string, TDraftEvent> = new Map()
export async function createShortTextNoteDraftEvent(
content: string,
mentions: string[],
@ -125,15 +158,7 @@ export async function createShortTextNoteDraftEvent(
content: transformedEmojisContent,
tags
}
const cacheKey = JSON.stringify(baseDraft)
const cache = shortTextNoteDraftEventCache.get(cacheKey)
if (cache) {
return cache
}
const draftEvent = { ...baseDraft, created_at: dayjs().unix() }
shortTextNoteDraftEventCache.set(cacheKey, draftEvent)
return draftEvent
return setDraftEventCache(baseDraft)
}
// https://github.com/nostr-protocol/nips/blob/master/51.md
@ -150,7 +175,6 @@ export function createRelaySetDraftEvent(relaySet: Omit<TRelaySet, 'aTag'>): TDr
}
}
const commentDraftEventCache: Map<string, TDraftEvent> = new Map()
export async function createCommentDraftEvent(
content: string,
parentEvent: Event,
@ -228,15 +252,7 @@ export async function createCommentDraftEvent(
content: transformedEmojisContent,
tags
}
const cacheKey = JSON.stringify(baseDraft)
const cache = commentDraftEventCache.get(cacheKey)
if (cache) {
return cache
}
const draftEvent = { ...baseDraft, created_at: dayjs().unix() }
commentDraftEventCache.set(cacheKey, draftEvent)
return draftEvent
return setDraftEventCache(baseDraft)
}
export function createRelayListDraftEvent(mailboxRelays: TMailboxRelay[]): TDraftEvent {
@ -325,7 +341,6 @@ export function createBlossomServerListDraftEvent(servers: string[]): TDraftEven
}
}
const pollDraftEventCache: Map<string, TDraftEvent> = new Map()
export async function createPollDraftEvent(
author: string,
question: string,
@ -389,15 +404,7 @@ export async function createPollDraftEvent(
kind: ExtendedKind.POLL,
tags
}
const cacheKey = JSON.stringify(baseDraft)
const cache = pollDraftEventCache.get(cacheKey)
if (cache) {
return cache
}
const draftEvent = { ...baseDraft, created_at: dayjs().unix() }
pollDraftEventCache.set(cacheKey, draftEvent)
return draftEvent
return setDraftEventCache(baseDraft)
}
export function createPollResponseDraftEvent(