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Add Support for Custom TTL #1

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merged 1 commit into from
Jan 25, 2024
Merged

Add Support for Custom TTL #1

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14 changes: 7 additions & 7 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import type { CID } from 'multiformats/cid'

const log = logger('ipns')
const ID_MULTIHASH_CODE = identity.code
const DEFAULT_TTL = BigInt(3.6e+12) // 1 Hour or 3600 Seconds

export const namespace = '/ipns/'
export const namespaceLength = namespace.length
Expand Down Expand Up @@ -127,6 +128,7 @@ export interface IDKeys {
}

export interface CreateOptions {
lifetimeNs?: bigint
v1Compatible?: boolean
}

Expand All @@ -139,7 +141,8 @@ export interface CreateV2Options {
}

const defaultCreateOptions: CreateOptions = {
v1Compatible: true
v1Compatible: true,
lifetimeNs: DEFAULT_TTL
}

/**
Expand All @@ -166,8 +169,7 @@ export async function create (peerId: PeerId, value: CID | PeerId | string, seq:
// Validity in ISOString with nanoseconds precision and validity type EOL
const expirationDate = new NanoDate(Date.now() + Number(lifetime))
const validityType = IpnsEntry.ValidityType.EOL
const [ms, ns] = lifetime.toString().split('.')
const lifetimeNs = (BigInt(ms) * BigInt(100000)) + BigInt(ns ?? '0')
const lifetimeNs = typeof options.lifetimeNs === "bigint" ? options.lifetimeNs : DEFAULT_TTL

return _create(peerId, value, seq, validityType, expirationDate, lifetimeNs, options)
}
Expand All @@ -194,11 +196,9 @@ export async function createWithExpiration (peerId: PeerId, value: CID | PeerId
export async function createWithExpiration (peerId: PeerId, value: CID | PeerId | string, seq: number | bigint, expiration: string, options: CreateOptions = defaultCreateOptions): Promise<IPNSRecord> {
const expirationDate = NanoDate.fromString(expiration)
const validityType = IpnsEntry.ValidityType.EOL
const lifetimeNs = typeof options.lifetimeNs === "bigint" ? options.lifetimeNs : DEFAULT_TTL

const ttlMs = expirationDate.toDate().getTime() - Date.now()
const ttlNs = (BigInt(ttlMs) * BigInt(100000)) + BigInt(expirationDate.getNano())

return _create(peerId, value, seq, validityType, expirationDate, ttlNs, options)
return _create(peerId, value, seq, validityType, expirationDate, lifetimeNs, options)
}

const _create = async (peerId: PeerId, value: CID | PeerId | string, seq: number | bigint, validityType: IpnsEntry.ValidityType, expirationDate: NanoDate, ttl: bigint, options: CreateOptions = defaultCreateOptions): Promise<IPNSRecord> => {
Expand Down