multiSig.js

/**
 * This example depends on 3 trustee(authorized key pairs on the ledger).
 * Indy docker pools will need 2 additional trustees added before this example can be run.
 * */

const IndyReq = require('../')
const bs58 = require('bs58')
const nacl = require('tweetnacl')
const util = require('util')
const sodium = require('libsodium-wrappers')

async function main () {
  await sodium.ready

  let dockerNode = IndyReq({
    // localPool, first line of the docker pool genesis file with client_ip set to 127.0.0.1
    genesisTxn: '{"reqSignature":{},"txn":{"data":{"data":{"alias":"Node1","blskey":"4N8aUNHSgjQVgkpm8nhNEfDf6txHznoYREg9kirmJrkivgL4oSEimFF6nsQ6M41QvhM2Z33nves5vfSn9n1UwNFJBYtWVnHYMATn76vLuL3zU88KyeAYcHfsih3He6UHcXDxcaecHVz6jhCYz1P2UZn2bDVruL5wXpehgBfBaLKm3Ba","blskey_pop":"RahHYiCvoNCtPTrVtP7nMC5eTYrsUA8WjXbdhNc8debh1agE9bGiJxWBXYNFbnJXoXhWFMvyqhqhRoq737YQemH5ik9oL7R4NTTCz2LEZhkgLJzB3QRQqJyBNyv7acbdHrAT8nQ9UkLbaVL9NBpnWXBTw4LEMePaSHEw66RzPNdAX1","client_ip":"127.0.0.1","client_port":9702,"node_ip":"127.0.0.1","node_port":9701,"services":["VALIDATOR"]},"dest":"Gw6pDLhcBcoQesN72qfotTgFa7cbuqZpkX3Xo6pLhPhv"},"metadata":{"from":"Th7MpTaRZVRYnPiabds81Y"},"type":"0"},"txnMetadata":{"seqNo":1,"txnId":"fea82e10e894419fe2bea7d96296a6d46f50f93f9eeda954ec461b2ed2950b62"},"ver":"1"}'
  })
  dockerNode.on('error', function (err) {
    console.error('got error', err)
  })
  dockerNode.on('pong', function () {
    console.log('got pong')
  })
  dockerNode.on('close', function () {
    console.log('got close')
  })

  // generate key pair for new nym
  let my1 = nacl.sign.keyPair.fromSeed(Buffer.from('00000000000000000000000000000My1', 'utf8'))
  // generate authorized key pairs
  let trustee1 = nacl.sign.keyPair.fromSeed(Buffer.from('000000000000000000000000Trustee1', 'utf8'))
  let trustee2 = nacl.sign.keyPair.fromSeed(Buffer.from('000000000000000000000000Trustee2', 'utf8'))
  let trustee3 = nacl.sign.keyPair.fromSeed(Buffer.from('000000000000000000000000Trustee3', 'utf8'))
  // create did from public key
  let my1DID = bs58.encode(Buffer.from(my1.publicKey.slice(0, 16)))
  let my1Verkey = bs58.encode(Buffer.from(my1.publicKey)) // create verkey to be authorized on the ledger.
  let trustee1DID = bs58.encode(Buffer.from(trustee1.publicKey.slice(0, 16)))
  let trustee2DID = bs58.encode(Buffer.from(trustee2.publicKey.slice(0, 16)))
  let trustee3DID = bs58.encode(Buffer.from(trustee3.publicKey.slice(0, 16)))

  // authorize nym on the ledger with trustee role
  console.log('Anchor NYM')

  let nymTxn = {
    operation: {
      type: IndyReq.type.NYM,
      dest: my1DID,
      role: IndyReq.role.TRUSTEE,
      verkey: my1Verkey
    },
    reqId: dockerNode.newReqId(),
    identifier: trustee1DID,
    protocolVersion: 2
  }

  nymTxn = IndyReq.addSignature(nymTxn, trustee1DID, trustee1.secretKey)
  nymTxn = IndyReq.addSignature(nymTxn, trustee2DID, trustee2.secretKey)
  nymTxn = IndyReq.addSignature(nymTxn, trustee3DID, trustee3.secretKey)

  let resp = await dockerNode.send(nymTxn)

  console.log('NYM resp:')
  console.log(util.inspect(resp, false, null, true))

  dockerNode.close()
}
main().catch(console.error)