This library provides a JavaScript API to access the remote Melis STOMP APIs and easily access the advanced multisig and realtime notification features of a Bitcoin Melis wallet.
This simple code will:
- Open an existing wallet with at least an account
- ask for an unused address
- wait for an incoming (unconfirmed) transaction on the account
- report if the transaction has been confirmed
var CM = require('../src/cm') var C = CM.C var cm = new CM({apiDiscoveryUrl: C.MELIS_TEST_DISCOVER}) var seed = "58e5e9e58956d9db4aeff9875994dcf253186d26884ddc25031fab98eff6ea34" // an existing wallet used for testing purposes var myWallet, myAccount, myAddress // Register an handler that will be notified of new incoming or outcoming transactions cm.on(C.EVENT_TX_INFO_NEW, res => { console.log("New transaction received!\n", res.txInfo) }) // Register an handler to be notified by transactions changing state // for example because they have been confirmed cm.on(C.EVENT_TX_INFO_UPDATED, res => { if (res.txInfo.blockMature > 0) console.log("TX has been confirmed!") }) // Disable logs, very noisy cm.log = function () {} cm.connect().then((config) => { console.log("Connected to server. Blockchain height: " + config.topBlock.height) return cm.walletOpen(seed) }).then(wallet => { console.log("Wallet opened with seed: " + seed) myWallet = wallet myAccount = wallet.accounts[Object.keys(wallet.accounts)[0]] console.log("Using account " + myAccount.num + " with pubId: " + myAccount.pubId) return cm.getUnusedAddress(myAccount) }).then(res => { myAddress = res.address console.log("Waiting for TEST coins to " + myAddress + " -- Press ctrl-c to exit") }).catch(error => { console.log("Unexpected exception: ", error) })First user runs this script that:
- registers a new wallet
- create a 1of2 account and a join code for the second user
- waits for the second user to join the account (thus rendering the account functional)
var CM = require('../src/cm') var C = CM.C var cm = new CM({apiDiscoveryUrl: C.MELIS_TEST_DISCOVER}) var seed = cm.random32HexBytes() cm.on(C.EVENT_JOINED, res => { console.log("Cosigner joined: " + res.activationCode.pubId + ", the account is ready!") cm.disconnect() }) cm.log = function () {} // Disable logs cm.connect().then((config) => { console.log("Connected to server. Blockchain height: " + config.topBlock.height) return cm.walletRegister(seed) }).then(wallet => { console.log("Wallet opened with seed: " + seed) return cm.accountCreate({ type: C.TYPE_MULTISIG_MANDATORY_SERVER, cosigners: [{name: 'Frank'}], minSignatures: 1} ) }).then(res => { var cosigners = res.accountInfo.cosigners let joinCode cosigners.forEach(info => { if (info.name === 'Frank') joinCode = info.code }) console.log("Waiting for cosigner with join code " + joinCode + " to join my account -- Press ctrl-c to exit") }).catch(error => { console.log("Unexpected exception: ", error) })The second user runs this script with the joinCode got from the first script and join the multiuser/multisig account:
node script "joincode"
var CM = require('../src/cm') var C = CM.C var cm = new CM({apiDiscoveryUrl: C.MELIS_TEST_DISCOVER}) var seed = cm.random32HexBytes() if (process.argv.length < 3) { console.log("Please pass joinCode as first argument") process.exit(1) } var joinCode = process.argv[2] cm.log = function () {} // Disable logs cm.connect().then((config) => { console.log("Connected to server. Blockchain height: " + config.topBlock.height + " joinCode: " + joinCode) return cm.walletRegister(seed) }).then(wallet => { console.log("Wallet opened with seed: " + seed) return cm.accountJoin({code: joinCode}) }).then(res => { console.log("Multisig account joined with joinCode: " + joinCode) return cm.disconnect() }).catch(error => { console.log("Unexpected exception: ", error) })