Ethereum signining of IPNS

paulgmiller · September 13, 2022, 5:08am

THanks looking at web3-storage/w3name.
Was looking at signing an ipns record in javascript
but js-ipns seemed to take a peerid

github.com

ipfs/js-ipns/blob/0f5340a5cf04154f9a7b7adc85012f6c8a504a50/src/index.ts#L89


      
          export const createWithExpiration = async (peerId: PeerId, value: Uint8Array, seq: number | bigint, expiration: string): Promise<IPNSEntry> => {
            const expirationDate = NanoDate.fromString(expiration)
            const validityType = IpnsEntry.ValidityType.EOL
          
          
  const ttlMs = expirationDate.toDate().getTime() - Date.now()
            const ttlNs = (BigInt(ttlMs) * BigInt(100000)) + BigInt(expirationDate.getNano())
          
          
  return await _create(peerId, value, seq, validityType, expirationDate, ttlNs)
          }
          
          
const _create = async (peerId: PeerId, value: Uint8Array, seq: number | bigint, validityType: IpnsEntry.ValidityType, expirationDate: NanoDate, ttl: bigint): Promise<IPNSEntry> => {
            seq = BigInt(seq)
            const isoValidity = uint8ArrayFromString(expirationDate.toString())
          
          
  if (peerId.privateKey == null) {
              throw errCode(new Error('Missing private key'), ERRORS.ERR_MISSING_PRIVATE_KEY)
            }
          
          
  const privateKey = await unmarshalPrivateKey(peerId.privateKey)
            const signatureV1 = await sign(privateKey, value, validityType, isoValidity)
            const data = createCborData(value, isoValidity, validityType, seq, ttl)

Was deciding if I could mock up a peerid with a web3.personal.sign as its private key.

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Ethereum signining of IPNS

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