Jon Staab
47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
import {schnorr} from "@noble/curves/secp256k1"
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import {bytesToHex, hexToBytes} from "@noble/curves/abstract/utils"
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import {generateSecretKey, getPublicKey, getEventHash} from "nostr-tools/pure"
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import {now} from "@welshman/lib"
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import {
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HashedEvent,
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EventTemplate,
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StampedEvent,
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OwnedEvent,
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isStampedEvent,
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isOwnedEvent,
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isHashedEvent,
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} from "./Events.js"
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export const makeSecret = () => bytesToHex(generateSecretKey())
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export const getPubkey = (secret: string) => getPublicKey(hexToBytes(secret))
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export const getHash = (event: OwnedEvent) => getEventHash(event)
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export const getSig = (event: HashedEvent, secret: string) =>
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bytesToHex(schnorr.sign(event.id, secret))
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export const stamp = (event: EventTemplate, created_at = now()) => ({...event, created_at})
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export const own = (event: StampedEvent, pubkey: string) => ({...event, pubkey})
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export const hash = (event: OwnedEvent) => ({...event, id: getHash(event)})
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export const sign = (event: HashedEvent, secret: string) => ({...event, sig: getSig(event, secret)})
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export const prep = (event: EventTemplate, pubkey: string, created_at = now()) => {
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if (!isStampedEvent(event as StampedEvent)) {
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event = stamp(event, created_at)
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}
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if (!isOwnedEvent(event as OwnedEvent)) {
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event = own(event as StampedEvent, pubkey)
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}
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if (!isHashedEvent(event as HashedEvent)) {
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event = hash(event as OwnedEvent)
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}
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return event as HashedEvent
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}
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