Lots of development

bin/lamassu-hd-address

@@ -0,0 +1,19 @@
+#!/usr/bin/env node
+
+const HKDF = require('node-hkdf-sync')
+const wallet = require('lamassu-geth')
+const pify = require('pify')
+const fs = pify(require('fs'))
+
+const options = require('../lib/options')
+
+function computeSeed (masterSeed) {
+  const hkdf = new HKDF('sha256', 'lamassu-server-salt', masterSeed)
+  return hkdf.derive('wallet-seed', 32)
+}
+
+fs.readFile(options.seedPath, 'utf8')
+.then(hex => {
+  const masterSeed = Buffer.from(hex.trim(), 'hex')
+  console.log(wallet.defaultAddress({seed: computeSeed(masterSeed)}))
+})