From 178f576cfb86308121f24323ef4cd6f3512e61c8 Mon Sep 17 00:00:00 2001
From: Josh Harvey <josh@lamassu.is>
Date: Sat, 1 Jul 2017 16:02:46 +0300
Subject: [PATCH] add blockchain install scripts

---
 .gitignore                                |    3 +
 Vagrantfile                               |    8 +-
 blockchain/blockchain.tf                  |   54 +
 blockchains/bitcoin/install.sh            |   18 +
 blockchains/dash/install.sh               |   18 +
 blockchains/litecoin/install.sh           |   18 +
 blockchains/supervisor.conf               |    7 +
 blockchains/tunnel.conf                   |    7 +
 blockchains/zcash/install.sh              |   19 +
 blockchains/zcash/local-post-install      |    0
 blockchains/zcash/local-pre-install       |   20 +
 blockchains/zcash/upgrade.sh              |   11 +
 blockchains/zcash/zcash.conf              |    4 +
 lib/admin/funding.js                      |   48 +-
 lib/blockchain/bitcoin.js                 |   33 +
 lib/blockchain/common.js                  |   61 +
 lib/blockchain/dash.js                    |   28 +
 lib/blockchain/dashd.js                   |    0
 lib/blockchain/do-volume.js               |   67 +
 lib/blockchain/ethereum.js                |   17 +
 lib/blockchain/install.js                 |   95 +
 lib/blockchain/litecoin.js                |   33 +
 lib/blockchain/zcash.js                   |   37 +
 lib/blockchain/zcashd.js                  |    0
 lib/coin-utils.js                         |   84 +-
 lib/options.js                            |    8 +-
 lib/plugins.js                            |   21 +-
 lib/plugins/common/json-rpc.js            |   15 +-
 lib/plugins/wallet/bitcoind/bitcoind.js   |   13 +-
 lib/plugins/wallet/bitgo/bitgo.js         |    8 +-
 lib/plugins/wallet/geth/geth.js           |    7 +-
 lib/plugins/wallet/litecoind/litecoind.js |    8 +-
 lib/plugins/wallet/zcashd/zcashd.js       |    5 +-
 lib/wallet.js                             |   12 +-
 main.tf                                   |   37 +
 package-lock.json                         | 3733 +++++++++++++++++----
 package.json                              |    4 +
 public/elm.js                             |   20 +-
 yarn.lock                                 |  107 +-
 39 files changed, 3938 insertions(+), 750 deletions(-)
 create mode 100644 blockchain/blockchain.tf
 create mode 100644 blockchains/bitcoin/install.sh
 create mode 100644 blockchains/dash/install.sh
 create mode 100644 blockchains/litecoin/install.sh
 create mode 100644 blockchains/supervisor.conf
 create mode 100644 blockchains/tunnel.conf
 create mode 100644 blockchains/zcash/install.sh
 create mode 100644 blockchains/zcash/local-post-install
 create mode 100644 blockchains/zcash/local-pre-install
 create mode 100644 blockchains/zcash/upgrade.sh
 create mode 100644 blockchains/zcash/zcash.conf
 create mode 100644 lib/blockchain/bitcoin.js
 create mode 100644 lib/blockchain/common.js
 create mode 100644 lib/blockchain/dash.js
 create mode 100644 lib/blockchain/dashd.js
 create mode 100644 lib/blockchain/do-volume.js
 create mode 100644 lib/blockchain/ethereum.js
 create mode 100644 lib/blockchain/install.js
 create mode 100644 lib/blockchain/litecoin.js
 create mode 100644 lib/blockchain/zcash.js
 create mode 100644 lib/blockchain/zcashd.js
 create mode 100644 main.tf

diff --git a/.gitignore b/.gitignore
index 0d450e8b..4a317cee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,6 @@ scratch/
 seeds/
 certs/
 lamassu.json
+
+terraform.*
+.terraform
diff --git a/Vagrantfile b/Vagrantfile
index 8778e0d5..832c61a8 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -11,7 +11,7 @@ Vagrant.configure(2) do |config|
   # vagrantup.com
 
   # Every Vagrant virtual environment requires a box to build off of.
-  config.vm.box = "ubuntu/trusty64"
+  config.vm.box = "ubuntu/xenial64"
 
   # Disable automatic box update checking. If you disable this, then
   # boxes will only be checked for updates when the user runs
@@ -46,13 +46,13 @@ Vagrant.configure(2) do |config|
   # backing providers for Vagrant. These expose provider-specific options.
   # Example for VirtualBox:
   #
-  # config.vm.provider "virtualbox" do |vb|
+  config.vm.provider "virtualbox" do |vb|
   #   # Don't boot with headless mode
   #   vb.gui = true
   #
   #   # Use VBoxManage to customize the VM. For example to change memory:
-  #   vb.customize ["modifyvm", :id, "--memory", "1024"]
-  # end
+    vb.customize ["modifyvm", :id, "--memory", "4096"]
+  end
   #
   # View the documentation for the provider you're using for more
   # information on available options.
diff --git a/blockchain/blockchain.tf b/blockchain/blockchain.tf
new file mode 100644
index 00000000..aa28d2cd
--- /dev/null
+++ b/blockchain/blockchain.tf
@@ -0,0 +1,54 @@
+variable "name" {}
+variable "blockchain_cmd" {}
+variable "blockchain_conf" {}
+variable "ssh_key" {}
+
+variable "size" {
+  default = "2gb"
+}
+
+variable "blockchain_dir" {
+  default = "./scratch/blockchains"
+}
+
+data "template_file" "supervisor_conf" {
+  template = "${file("./blockchains/supervisor.conf")}"
+
+  vars {
+    blockchain = "${var.name}"
+    blockchain_cmd = "${var.blockchain_cmd}"
+  }
+}
+
+resource "digitalocean_droplet" "blockchain_server" {
+  image  = "debian-9-x64"
+  name   = "${var.name}"
+  region = "ams2"
+  size   = "${var.size}"
+  ssh_keys = ["${var.ssh_key}"]
+
+  connection {
+    type     = "ssh"
+    user     = "root"
+    private_key = "${file("${pathexpand("~/.ssh/id_rsa")}")}"
+  }
+
+  provisioner "file" {
+    content     = "${data.template_file.supervisor_conf.rendered}"
+    destination = "/tmp/supervisor-${var.name}.conf"
+  }
+
+  provisioner "file" {
+    source      = "${var.blockchain_dir}/${var.blockchain_conf}"
+    destination = "/tmp/${var.blockchain_conf}"
+  }
+
+  provisioner "remote-exec" {
+    script  = "./blockchains/${var.name}/install.sh"
+  }
+}
+
+output "ip_address" {
+  value = "${digitalocean_droplet.blockchain_server.ipv4_address}"
+}
+
diff --git a/blockchains/bitcoin/install.sh b/blockchains/bitcoin/install.sh
new file mode 100644
index 00000000..bed5b2b3
--- /dev/null
+++ b/blockchains/bitcoin/install.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=/tmp/install.log
+
+apt-get update -y >> $LOG_FILE 2>&1
+apt-get install -y ufw supervisor >> $LOG_FILE 2>&1
+ufw allow 8332 >> $LOG_FILE 2>&1
+ufw allow 22 >> $LOG_FILE 2>&1
+ufw --force enable >> $LOG_FILE 2>&1
+ufw status >> $LOG_FILE 2>&1
+wget -q https://bitcoin.org/bin/bitcoin-core-0.14.2/bitcoin-0.14.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
+tar -xzf bitcoin-0.14.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
+cp bitcoin-0.14.2/bin/* /usr/local/bin >> $LOG_FILE 2>&1
+mkdir ~/.bitcoin >> $LOG_FILE 2>&1
+mv /tmp/bitcoin.conf ~/.bitcoin
+mv /tmp/supervisor-bitcoin.conf /etc/supervisor/conf.d/bitcoin.conf >> $LOG_FILE 2>&1
+service supervisor restart >> $LOG_FILE 2>&1
diff --git a/blockchains/dash/install.sh b/blockchains/dash/install.sh
new file mode 100644
index 00000000..6307bd12
--- /dev/null
+++ b/blockchains/dash/install.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=/tmp/install.log
+
+apt-get update -y >> $LOG_FILE 2>&1
+apt-get install -y ufw supervisor >> $LOG_FILE 2>&1
+ufw allow 8332 >> $LOG_FILE 2>&1
+ufw allow 22 >> $LOG_FILE 2>&1
+ufw --force enable >> $LOG_FILE 2>&1
+ufw status >> $LOG_FILE 2>&1
+wget -q https://www.dash.org/binaries/dashcore-0.12.1.5-linux64.tar.gz >> $LOG_FILE 2>&1
+tar -xzf dashcore-0.12.1.5-linux64.tar.gz >> $LOG_FILE 2>&1
+cp dashcore-0.12.1/bin/* /usr/local/bin >> $LOG_FILE 2>&1
+mkdir ~/.dash >> $LOG_FILE 2>&1
+mv /tmp/dash.conf ~/.bitocoin
+mv /tmp/supervisor-dash.conf /etc/supervisor/conf.d/dash.conf >> $LOG_FILE 2>&1
+service supervisor restart >> $LOG_FILE 2>&1
diff --git a/blockchains/litecoin/install.sh b/blockchains/litecoin/install.sh
new file mode 100644
index 00000000..6510b180
--- /dev/null
+++ b/blockchains/litecoin/install.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=/tmp/install.log
+
+apt-get update -y >> $LOG_FILE 2>&1
+apt-get install -y ufw supervisor >> $LOG_FILE 2>&1
+ufw allow 8332 >> $LOG_FILE 2>&1
+ufw allow 22 >> $LOG_FILE 2>&1
+ufw --force enable >> $LOG_FILE 2>&1
+ufw status >> $LOG_FILE 2>&1
+wget -q https://download.litecoin.org/litecoin-0.13.2/linux/litecoin-0.13.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
+tar -xzf litecoin-0.13.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
+cp litecoin-0.13.2/bin/* /usr/local/bin >> $LOG_FILE 2>&1
+mkdir ~/.litecoin >> $LOG_FILE 2>&1
+mv /tmp/litecoin.conf ~/.litecoin
+mv /tmp/supervisor-litecoin.conf /etc/supervisor/conf.d/litecoin.conf >> $LOG_FILE 2>&1
+service supervisor restart >> $LOG_FILE 2>&1
diff --git a/blockchains/supervisor.conf b/blockchains/supervisor.conf
new file mode 100644
index 00000000..566fa4dc
--- /dev/null
+++ b/blockchains/supervisor.conf
@@ -0,0 +1,7 @@
+[program:${blockchain}]
+command=/usr/local/bin/${blockchain_cmd} -datadir=/mnt/blockchain/${blockchain}
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/supervisor/${blockchain}.err.log
+stdout_logfile=/var/log/supervisor/${blockchain}.out.log
+environment=HOME="/root"
diff --git a/blockchains/tunnel.conf b/blockchains/tunnel.conf
new file mode 100644
index 00000000..3a11c59d
--- /dev/null
+++ b/blockchains/tunnel.conf
@@ -0,0 +1,7 @@
+[program:${blockchain}-tunnel]
+command=autossh -L 8232:localhost:8232 -o "ExitOnForwardFailure yes" -fN -o "ServerAliveInterval 45" -o "ServerAliveCountMax 2" root@188.226.149.173
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/supervisor/${blockchain}-tunnel.err.log
+stdout_logfile=/var/log/supervisor/${blockchain}-tunnel.out.log
+environment="AUTOSSH_GATETIME=0"
diff --git a/blockchains/zcash/install.sh b/blockchains/zcash/install.sh
new file mode 100644
index 00000000..b45d1f87
--- /dev/null
+++ b/blockchains/zcash/install.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=/tmp/install.log
+
+apt-get update -y >> $LOG_FILE 2>&1
+apt-get install -y ufw supervisor libgomp1 >> $LOG_FILE 2>&1
+ufw allow 8233 >> $LOG_FILE 2>&1
+ufw allow 22 >> $LOG_FILE 2>&1
+ufw --force enable >> $LOG_FILE 2>&1
+ufw status >> $LOG_FILE 2>&1
+wget -q https://z.cash/downloads/zcash-1.0.10-1-linux64.tar.gz >> $LOG_FILE 2>&1
+tar -xzf zcash-1.0.10-1-linux64.tar.gz >> $LOG_FILE 2>&1
+cp zcash-1.0.10-1/bin/* /usr/local/bin >> $LOG_FILE 2>&1
+zcash-fetch-params >> $LOG_FILE 2>&1
+mkdir ~/.zcash >> $LOG_FILE 2>&1
+mv /tmp/zcash.conf ~/.zcash
+mv /tmp/supervisor-zcash.conf /etc/supervisor/conf.d/zcash.conf >> $LOG_FILE 2>&1
+service supervisor restart >> $LOG_FILE 2>&1
diff --git a/blockchains/zcash/local-post-install b/blockchains/zcash/local-post-install
new file mode 100644
index 00000000..e69de29b
diff --git a/blockchains/zcash/local-pre-install b/blockchains/zcash/local-pre-install
new file mode 100644
index 00000000..e426ecfd
--- /dev/null
+++ b/blockchains/zcash/local-pre-install
@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const path = require('path')
+const crypto = require('crypto')
+const fs = require('fs')
+
+const options = require('../../lib/options')
+
+const blockchainDir = options.blockchainDir
+const confPath = path.resolve(blockchainDir, 'zcash.conf')
+const password = crypto.randomBytes(32).toString('hex')
+
+const conf = `rpcuser=username
+rpcpassword=${password}
+mainnet=1
+addnode=mainnet.z.cash
+dbcache=500
+`
+
+fs.writeFileSync(confPath, conf)
diff --git a/blockchains/zcash/upgrade.sh b/blockchains/zcash/upgrade.sh
new file mode 100644
index 00000000..25344533
--- /dev/null
+++ b/blockchains/zcash/upgrade.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=/tmp/install.log
+
+wget -q $UPGRADE_URL >> $LOG_FILE 2>&1
+tar -xzf $UPGRADE_PACKAGE >> $LOG_FILE 2>&1
+supervisorctl stop zcash >> $LOG_FILE 2>&1
+cp $UPGRADE_PACKAGE/bin/* /usr/local/bin/ >> $LOG_FILE 2>&1
+supervisorctl start zcash >> $LOG_FILE 2>&1
+
diff --git a/blockchains/zcash/zcash.conf b/blockchains/zcash/zcash.conf
new file mode 100644
index 00000000..c64efeb2
--- /dev/null
+++ b/blockchains/zcash/zcash.conf
@@ -0,0 +1,4 @@
+rpcuser=username
+mainnet=1
+addnode=mainnet.z.cash
+dbcache=500
diff --git a/lib/admin/funding.js b/lib/admin/funding.js
index 5e085078..ac4ff964 100644
--- a/lib/admin/funding.js
+++ b/lib/admin/funding.js
@@ -1,12 +1,44 @@
+const _ = require('lodash/fp')
 const BN = require('../bn')
 const settingsLoader = require('../settings-loader')
 const configManager = require('../config-manager')
 const wallet = require('../wallet')
 const ticker = require('../ticker')
 const coinUtils = require('../coin-utils')
+const machineLoader = require('../machine-loader')
 
 module.exports = {getFunding}
 
+function allScopes (cryptoScopes, machineScopes) {
+  const scopes = []
+  cryptoScopes.forEach(c => {
+    machineScopes.forEach(m => scopes.push([c, m]))
+  })
+
+  return scopes
+}
+
+function allMachineScopes (machineList, machineScope) {
+  const machineScopes = []
+
+  if (machineScope === 'global' || machineScope === 'both') machineScopes.push('global')
+  if (machineScope === 'specific' || machineScope === 'both') machineList.forEach(r => machineScopes.push(r))
+
+  return machineScopes
+}
+
+function getCryptos (config, machineList) {
+  const scopes = allScopes(['global'], allMachineScopes(machineList, 'both'))
+  const scoped = scope => configManager.scopedValue(scope[0], scope[1], 'cryptoCurrencies', config)
+
+  return _.uniq(_.flatten(_.map(scoped, scopes)))
+}
+
+function fetchMachines () {
+  return machineLoader.getMachines()
+  .then(machineList => machineList.map(r => r.deviceId))
+}
+
 function computeCrypto (cryptoCode, _balance) {
   const unitScale = coinUtils.coins[cryptoCode].unitScale
 
@@ -19,15 +51,17 @@ function computeFiat (rate, cryptoCode, _balance) {
   return BN(_balance).shift(-unitScale).mul(rate).round(5)
 }
 
-function getFunding (cryptoCode) {
-  cryptoCode = cryptoCode || 'BTC'
-  const cryptoDisplays = coinUtils.cryptoDisplays
-
-  if (!coinUtils.coins[cryptoCode]) throw new Error(`Unsupported coin: ${cryptoCode}`)
-  return settingsLoader.loadLatest()
-  .then(settings => {
+function getFunding (_cryptoCode) {
+  return Promise.all([settingsLoader.loadLatest(), fetchMachines()])
+  .then(([settings, machineList]) => {
     const config = configManager.unscoped(settings.config)
+    const cryptoCodes = getCryptos(settings.config, machineList)
+    const cryptoCode = _cryptoCode || cryptoCodes[0]
     const fiatCode = config.fiatCurrency
+    const pareCoins = c => _.includes(c.cryptoCode, cryptoCodes)
+    const cryptoDisplays = _.filter(pareCoins, coinUtils.cryptoDisplays)
+
+    if (!coinUtils.coins[cryptoCode]) throw new Error(`Unsupported coin: ${cryptoCode}`)
 
     const promises = [
       wallet.newFunding(settings, cryptoCode),
diff --git a/lib/blockchain/bitcoin.js b/lib/blockchain/bitcoin.js
new file mode 100644
index 00000000..988e8d7c
--- /dev/null
+++ b/lib/blockchain/bitcoin.js
@@ -0,0 +1,33 @@
+const fs = require('fs')
+const path = require('path')
+
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const es = common.es
+
+function setup (dataDir) {
+  const coinRec = coinUtils.getCryptoCurrency('BTC')
+  common.firewall([coinRec.defaultPort])
+  const config = buildConfig()
+  fs.writeFileSync(path.resolve(dataDir, coinRec.configFile), config)
+  setupPm2(dataDir)
+}
+
+function buildConfig () {
+  return `rpcuser=lamassuserver
+rpcpassword=${common.randomPass()}
+dbcache=500
+server=1
+connections=40
+keypool=10000
+prune=4000
+daemon=0`
+}
+
+function setupPm2 (dataDir) {
+  es(`pm2 start /usr/local/bin/bitcoind -- -datadir=${dataDir}`)
+}
diff --git a/lib/blockchain/common.js b/lib/blockchain/common.js
new file mode 100644
index 00000000..75adfe5a
--- /dev/null
+++ b/lib/blockchain/common.js
@@ -0,0 +1,61 @@
+const crypto = require('crypto')
+const os = require('os')
+const path = require('path')
+const cp = require('child_process')
+const logger = require('console-log-level')({level: 'info'})
+
+module.exports = {es, firewall, randomPass, fetchAndInstall, logger}
+
+const BINARIES = {
+  BTC: {
+    url: 'https://bitcoin.org/bin/bitcoin-core-0.14.2/bitcoin-0.14.2-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-0.14.2/bin'
+  },
+  ETH: {
+    url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.6.6-10a45cb5.tar.gz',
+    dir: 'geth-linux-amd64-1.6.6-10a45cb5'
+  },
+  ZEC: {
+    url: 'https://z.cash/downloads/zcash-1.0.10-1-linux64.tar.gz',
+    dir: 'zcash-1.0.10-1/bin'
+  },
+  DASH: {
+    url: 'https://www.dash.org/binaries/dashcore-0.12.1.5-linux64.tar.gz',
+    dir: 'dashcore-0.12.1/bin'
+  },
+  LTC: {
+    url: 'https://download.litecoin.org/litecoin-0.13.2/linux/litecoin-0.13.2-x86_64-linux-gnu.tar.gz',
+    dir: 'litecoin-0.13.2/bin'
+  }
+}
+
+function firewall (ports) {
+  if (!ports || ports.length === 0) throw new Error('No ports supplied')
+  const portsString = ports.join(',')
+  es(`sudo ufw allow ${portsString}`)
+}
+
+function randomPass () {
+  return crypto.randomBytes(32).toString('hex')
+}
+
+function es (cmd) {
+  const env = {HOME: os.userInfo().homedir}
+  const options = {encoding: 'utf8', env}
+  const res = cp.execSync(cmd, options)
+  logger.debug(res)
+  return res.toString()
+}
+
+function fetchAndInstall (crypto) {
+  const binaries = BINARIES[crypto.cryptoCode]
+  if (!binaries) throw new Error(`No such coin: ${crypto.code}`)
+
+  const url = binaries.url
+  const downloadFile = path.basename(url)
+  const binDir = binaries.dir
+
+  es(`wget -q ${url}`)
+  es(`tar -xzf ${downloadFile}`)
+  es(`sudo cp ${binDir}/* /usr/local/bin`)
+}
diff --git a/lib/blockchain/dash.js b/lib/blockchain/dash.js
new file mode 100644
index 00000000..f24c4ce3
--- /dev/null
+++ b/lib/blockchain/dash.js
@@ -0,0 +1,28 @@
+const fs = require('fs')
+const path = require('path')
+
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const es = common.es
+
+function setup (dataDir) {
+  const coinRec = coinUtils.getCryptoCurrency('DASH')
+  common.firewall([coinRec.defaultPort])
+  const config = buildConfig()
+  fs.writeFileSync(path.resolve(dataDir, coinRec.configFile), config)
+  setupPm2(dataDir)
+}
+
+function buildConfig () {
+  return `rpcuser=lamassuserver
+rpcpassword=${common.randomPass()}
+dbcache=500`
+}
+
+function setupPm2 (dataDir) {
+  es(`pm2 start /usr/local/bin/dashd -- -datadir=${dataDir}`)
+}
diff --git a/lib/blockchain/dashd.js b/lib/blockchain/dashd.js
new file mode 100644
index 00000000..e69de29b
diff --git a/lib/blockchain/do-volume.js b/lib/blockchain/do-volume.js
new file mode 100644
index 00000000..73623974
--- /dev/null
+++ b/lib/blockchain/do-volume.js
@@ -0,0 +1,67 @@
+const fs = require('fs')
+
+const common = require('./common')
+
+const MOUNT_POINT = '/mnt/blockchains'
+
+module.exports = {prepareVolume}
+
+const logger = common.logger
+
+function isMounted () {
+  return fs.existsSync(MOUNT_POINT)
+}
+
+function isFormatted (volumePath) {
+  const res = common.es(`file --dereference -s ${volumePath}`)
+  return res !== `${volumePath}: data`
+}
+
+function formatVolume (volumePath) {
+  if (isFormatted(volumePath)) {
+    logger.info('Volume is already formatted.')
+    return
+  }
+
+  logger.info('Formatting...')
+  common.es(`sudo mkfs.ext4 ${volumePath}`)
+}
+
+function mountVolume (volumePath) {
+  if (isMounted()) {
+    logger.info('Volume is already mounted.')
+    return
+  }
+
+  logger.info('Mounting...')
+  common.es(`sudo mkdir -p ${MOUNT_POINT}`)
+  common.es(`sudo mount -o discard,defaults ${volumePath} ${MOUNT_POINT}`)
+  common.es(`echo ${volumePath} ${MOUNT_POINT} ext4 defaults,nofail,discard 0 0 | sudo tee -a /etc/fstab`)
+}
+
+function locateVolume () {
+  const res = common.es('ls /dev/disk/by-id/*')
+  const lines = res.trim().split('\n')
+
+  if (lines.length > 1) {
+    logger.error('More than one volume present, cannot prepare.')
+    return null
+  }
+
+  if (lines.length === 0) {
+    logger.error('No available volumes. You might need to attach one.')
+    return null
+  }
+
+  return lines[0].trim()
+}
+
+function prepareVolume () {
+  const volumePath = locateVolume()
+  if (!volumePath) return false
+
+  formatVolume(volumePath)
+  mountVolume(volumePath)
+
+  return true
+}
diff --git a/lib/blockchain/ethereum.js b/lib/blockchain/ethereum.js
new file mode 100644
index 00000000..89ed4249
--- /dev/null
+++ b/lib/blockchain/ethereum.js
@@ -0,0 +1,17 @@
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const es = common.es
+
+function setup (dataDir) {
+  const coinRec = coinUtils.getCryptoCurrency('ETH')
+  common.firewall([coinRec.defaultPort])
+  setupPm2(dataDir)
+}
+
+function setupPm2 (dataDir) {
+  es(`pm2 start /usr/local/bin/geth -- --datadir "${dataDir}" --cache 500`)
+}
diff --git a/lib/blockchain/install.js b/lib/blockchain/install.js
new file mode 100644
index 00000000..253ae7b1
--- /dev/null
+++ b/lib/blockchain/install.js
@@ -0,0 +1,95 @@
+const fs = require('fs')
+const path = require('path')
+const process = require('process')
+
+const makeDir = require('make-dir')
+const inquirer = require('inquirer')
+const _ = require('lodash/fp')
+
+const options = require('../options')
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+const doVolume = require('./do-volume')
+
+const cryptos = coinUtils.cryptoCurrencies()
+
+const logger = common.logger
+
+const PLUGINS = {
+  BTC: require('./bitcoin.js'),
+  LTC: require('./litecoin.js'),
+  ETH: require('./ethereum.js'),
+  DASH: require('./dash.js'),
+  ZEC: require('./zcash.js')
+}
+
+function installedFilePath (crypto) {
+  return path.resolve(options.blockchainDir, crypto.code, '.installed')
+}
+
+function isInstalled (crypto) {
+  return fs.existsSync(installedFilePath(crypto))
+}
+
+const choices = _.map(c => {
+  const checked = isInstalled(c)
+  return {
+    name: c.display,
+    value: c.code,
+    checked,
+    disabled: checked && 'Installed'
+  }
+}, cryptos)
+
+const questions = []
+
+questions.push({
+  type: 'checkbox',
+  name: 'crypto',
+  message: 'Which cryptocurrencies would you like to install?',
+  choices
+})
+
+function processCryptos (codes) {
+  if (_.isEmpty(codes)) {
+    logger.info('No cryptos selected. Exiting.')
+    process.exit(0)
+  }
+
+  doVolume.prepareVolume()
+
+  logger.info('Thanks! Installing: %s. Will take a while...', _.join(', ', codes))
+
+  const selectedCryptos = _.map(code => _.find(['code', code], cryptos), codes)
+  _.forEach(setupCrypto, selectedCryptos)
+  common.es('pm2 save')
+  logger.info('Installation complete.')
+}
+
+inquirer.prompt(questions)
+.then(answers => processCryptos(answers.crypto))
+
+function plugin (crypto) {
+  const plugin = PLUGINS[crypto.cryptoCode]
+  if (!plugin) throw new Error(`No such plugin: ${crypto.cryptoCode}`)
+  return plugin
+}
+
+function setupCrypto (crypto) {
+  logger.info(`Installing ${crypto.display}...`)
+  const cryptoDir = path.resolve(options.blockchainDir, crypto.code)
+  makeDir.sync(cryptoDir)
+  const cryptoPlugin = plugin(crypto)
+  const oldDir = process.cwd()
+  const tmpDir = '/tmp/blockchain-install'
+
+  makeDir.sync(tmpDir)
+  process.chdir(tmpDir)
+  common.es('rm -rf *')
+  common.fetchAndInstall(crypto)
+  cryptoPlugin.setup(cryptoDir)
+  fs.writeFileSync(installedFilePath(crypto), '')
+  process.chdir(oldDir)
+}
+
diff --git a/lib/blockchain/litecoin.js b/lib/blockchain/litecoin.js
new file mode 100644
index 00000000..0c66beb4
--- /dev/null
+++ b/lib/blockchain/litecoin.js
@@ -0,0 +1,33 @@
+const fs = require('fs')
+const path = require('path')
+
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const es = common.es
+
+function setup (dataDir) {
+  const coinRec = coinUtils.getCryptoCurrency('LTC')
+  common.firewall([coinRec.defaultPort])
+  const config = buildConfig()
+  fs.writeFileSync(path.resolve(dataDir, coinRec.configFile), config)
+  setupPm2(dataDir)
+}
+
+function buildConfig () {
+  return `rpcuser=lamassuserver
+rpcpassword=${common.randomPass()}
+dbcache=500
+server=1
+connections=40
+keypool=10000
+prune=4000
+daemon=0`
+}
+
+function setupPm2 (dataDir) {
+  es(`pm2 start /usr/local/bin/litecoind -- -datadir=${dataDir}`)
+}
diff --git a/lib/blockchain/zcash.js b/lib/blockchain/zcash.js
new file mode 100644
index 00000000..d6cf937d
--- /dev/null
+++ b/lib/blockchain/zcash.js
@@ -0,0 +1,37 @@
+const fs = require('fs')
+const path = require('path')
+
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const es = common.es
+const logger = common.logger
+
+function setup (dataDir) {
+  es('sudo apt-get update')
+  es('sudo apt-get install libgomp1 -y')
+  const coinRec = coinUtils.getCryptoCurrency('ZEC')
+
+  common.firewall([coinRec.defaultPort])
+  logger.info('Fetching Zcash proofs, will take a while...')
+  es('zcash-fetch-params 2>&1')
+  logger.info('Finished fetching proofs.')
+  const config = buildConfig()
+  fs.writeFileSync(path.resolve(dataDir, 'zcash.conf'), config)
+  setupPm2(dataDir)
+}
+
+function buildConfig () {
+  return `mainnet=1
+addnode=mainnet.z.cash
+rpcuser=lamassuserver
+rpcpassword=${common.randomPass()}
+dbcache=500`
+}
+
+function setupPm2 (dataDir) {
+  es(`pm2 start /usr/local/bin/zcashd -- -datadir=${dataDir}`)
+}
diff --git a/lib/blockchain/zcashd.js b/lib/blockchain/zcashd.js
new file mode 100644
index 00000000..e69de29b
diff --git a/lib/coin-utils.js b/lib/coin-utils.js
index 7d2f4b63..320fe3c2 100644
--- a/lib/coin-utils.js
+++ b/lib/coin-utils.js
@@ -1,22 +1,64 @@
 const _ = require('lodash/fp')
 
-const coins = {
-  BTC: {unitScale: 8},
-  ETH: {unitScale: 18},
-  ZEC: {unitScale: 8},
-  LTC: {unitScale: 8},
-  DASH: {unitScale: 8}
-}
-
-const cryptoDisplays = [
-  {cryptoCode: 'BTC', display: 'Bitcoin'},
-  {cryptoCode: 'ETH', display: 'Ethereum'},
-  {cryptoCode: 'ZEC', display: 'Zcash'},
-  {cryptoCode: 'LTC', display: 'Litecoin'},
-  {cryptoCode: 'DASH', display: 'Dash'}
+const CRYPTO_CURRENCIES = [
+  {
+    cryptoCode: 'BTC',
+    display: 'Bitcoin',
+    code: 'bitcoin',
+    configFile: 'bitcoin.conf',
+    daemon: 'bitcoind',
+    defaultPort: 8332,
+    unitScale: 8
+  },
+  {
+    cryptoCode: 'ETH',
+    display: 'Ethereum',
+    code: 'ethereum',
+    configFile: 'geth.conf',
+    daemon: 'geth',
+    defaultPort: 8545,
+    unitScale: 18
+  },
+  {
+    cryptoCode: 'LTC',
+    display: 'Litecoin',
+    code: 'litecoin',
+    configFile: 'litecoin.conf',
+    daemon: 'litecoind',
+    defaultPort: 9332,
+    unitScale: 8
+  },
+  {
+    cryptoCode: 'DASH',
+    display: 'Dash',
+    code: 'dash',
+    configFile: 'dash.conf',
+    daemon: 'dashd',
+    defaultPort: 9998,
+    unitScale: 8
+  },
+  {
+    cryptoCode: 'ZEC',
+    display: 'Zcash',
+    code: 'zcash',
+    configFile: 'zcash.conf',
+    daemon: 'zcashd',
+    defaultPort: 8232,
+    unitScale: 8
+  }
 ]
 
-module.exports = {coins, cryptoDisplays, buildUrl, unitScale, display}
+module.exports = {buildUrl, cryptoCurrencies, getCryptoCurrency}
+
+function getCryptoCurrency (cryptoCode) {
+  const cryptoCurrency = _.find(['cryptoCode', cryptoCode], CRYPTO_CURRENCIES)
+  if (!cryptoCurrency) throw new Error(`Unsupported crypto: ${cryptoCode}`)
+  return cryptoCurrency
+}
+
+function cryptoCurrencies () {
+  return CRYPTO_CURRENCIES
+}
 
 function buildUrl (cryptoCode, address) {
   switch (cryptoCode) {
@@ -28,15 +70,3 @@ function buildUrl (cryptoCode, address) {
     default: throw new Error(`Unsupported crypto: ${cryptoCode}`)
   }
 }
-
-function display (cryptoCode) {
-  const rec = _.find(['cryptoCode', cryptoCode], cryptoDisplays)
-  if (!rec) throw new Error(`Unsupported crypto: ${cryptoCode}`)
-  return rec.display
-}
-
-function unitScale (cryptoCode) {
-  const scaleRec = coins[cryptoCode]
-  if (!scaleRec) throw new Error(`Unsupported crypto: ${cryptoCode}`)
-  return scaleRec.unitScale
-}
diff --git a/lib/options.js b/lib/options.js
index 4445c783..291ed278 100644
--- a/lib/options.js
+++ b/lib/options.js
@@ -7,12 +7,12 @@ const argv = require('minimist')(process.argv.slice(2))
 let serverConfig
 
 try {
-  const homeConfigPath = path.resolve(os.homedir(), '.lamassu', 'lamassu.json')
-  serverConfig = JSON.parse(fs.readFileSync(homeConfigPath))
+  const globalConfigPath = path.resolve('/etc', 'lamassu', 'lamassu.json')
+  serverConfig = JSON.parse(fs.readFileSync(globalConfigPath))
 } catch (_) {
   try {
-    const globalConfigPath = path.resolve('/etc', 'lamassu', 'lamassu.json')
-    serverConfig = JSON.parse(fs.readFileSync(globalConfigPath))
+    const homeConfigPath = path.resolve(os.homedir(), '.lamassu', 'lamassu.json')
+    serverConfig = JSON.parse(fs.readFileSync(homeConfigPath))
   } catch (_) {
     console.error("Couldn't open lamassu.json config file.")
     process.exit(1)
diff --git a/lib/plugins.js b/lib/plugins.js
index 670c2859..54db00d8 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -171,7 +171,9 @@ function plugins (settings, deviceId) {
     .then(row => row.id)
   }
 
-  function mapCoinSettings (coin) {
+  function mapCoinSettings (coinParams) {
+    const coin = coinParams[0]
+    const cryptoNetwork = coinParams[1]
     const config = configManager.scoped(coin, deviceId, settings.config)
     const minimumTx = BN(config.minimumTx)
     const cashInFee = BN(config.cashInFee)
@@ -180,7 +182,8 @@ function plugins (settings, deviceId) {
       cryptoCode: coin,
       display: coinUtils.display(coin),
       minimumTx: BN.max(minimumTx, cashInFee),
-      cashInFee: cashInFee
+      cashInFee: cashInFee,
+      cryptoNetwork
     }
   }
 
@@ -191,6 +194,7 @@ function plugins (settings, deviceId) {
 
     const tickerPromises = cryptoCodes.map(c => ticker.getRates(settings, fiatCode, c))
     const balancePromises = cryptoCodes.map(c => fiatBalance(fiatCode, c))
+    const testnetPromises = cryptoCodes.map(c => wallet.cryptoNetwork(settings, c))
     const pingPromise = recordPing(serialNumber, deviceTime, deviceRec)
     const currentConfigVersionPromise = fetchCurrentConfigVersion()
 
@@ -198,20 +202,25 @@ function plugins (settings, deviceId) {
       buildAvailableCassettes(),
       pingPromise,
       currentConfigVersionPromise
-    ].concat(tickerPromises, balancePromises)
+    ].concat(tickerPromises, balancePromises, testnetPromises)
 
     return Promise.all(promises)
     .then(arr => {
       const cassettes = arr[0]
       const configVersion = arr[2]
-      const tickers = arr.slice(3, cryptoCodes.length + 3)
-      const balances = arr.slice(cryptoCodes.length + 3)
+      const cryptoCodesCount = cryptoCodes.length
+      const tickers = arr.slice(3, cryptoCodesCount + 3)
+      const balances = arr.slice(cryptoCodesCount + 3, 2 * cryptoCodesCount + 3)
+      const testNets = arr.slice(2 * cryptoCodesCount + 3)
+      const coinParams = _.zip(cryptoCodes, testNets)
 
+      console.log('DEBUG200: %j', cryptoCodes)
+      console.log('DEBUG201: %j', coinParams)
       return {
         cassettes,
         rates: buildRates(tickers),
         balances: buildBalances(balances),
-        coins: _.map(mapCoinSettings, cryptoCodes),
+        coins: _.map(mapCoinSettings, coinParams),
         configVersion
       }
     })
diff --git a/lib/plugins/common/json-rpc.js b/lib/plugins/common/json-rpc.js
index bc7b705d..98b5aa26 100644
--- a/lib/plugins/common/json-rpc.js
+++ b/lib/plugins/common/json-rpc.js
@@ -23,18 +23,27 @@ function fetch (account, method, params) {
     return r.data.result
   })
   .catch(err => {
-    console.log(err.response.data.error)
+    console.log(err.message)
+    try {
+      console.log(err.response.data.error)
+    } catch (__) {}
     throw err
   })
 }
 
+function split (str) {
+  const i = str.indexOf('=')
+  if (i === -1) return []
+  return [str.slice(0, i), str.slice(i + 1)]
+}
+
 function parseConf (confPath) {
   const conf = fs.readFileSync(confPath)
-  const lines = conf.toString().split('\n', 2)
+  const lines = conf.toString().split('\n')
 
   const res = {}
   for (let i = 0; i < lines.length; i++) {
-    const keyVal = lines[i].split('=')
+    const keyVal = split(lines[i])
 
     // skip when value is empty
     if (!keyVal[1]) continue
diff --git a/lib/plugins/wallet/bitcoind/bitcoind.js b/lib/plugins/wallet/bitcoind/bitcoind.js
index f54b5cca..e23f986a 100644
--- a/lib/plugins/wallet/bitcoind/bitcoind.js
+++ b/lib/plugins/wallet/bitcoind/bitcoind.js
@@ -39,11 +39,10 @@ function balance (account, cryptoCode) {
 }
 
 function sendCoins (account, address, cryptoAtoms, cryptoCode) {
-  const confirmations = 1
-  const bitcoins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
+  const coins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
 
   return checkCryptoCode(cryptoCode)
-  .then(() => fetch('sendfrom', [address, bitcoins, confirmations]))
+  .then(() => fetch('sendtoaddress', [address, coins]))
   .catch(err => {
     if (err.code === -6) throw new E.InsufficientFundsError()
     throw err
@@ -103,10 +102,16 @@ function newFunding (account, cryptoCode) {
   }))
 }
 
+function cryptoNetwork (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => parseInt(rpcConfig.port, 10) === 18332 ? 'test' : 'main')
+}
+
 module.exports = {
   balance,
   sendCoins,
   newAddress,
   getStatus,
-  newFunding
+  newFunding,
+  cryptoNetwork
 }
diff --git a/lib/plugins/wallet/bitgo/bitgo.js b/lib/plugins/wallet/bitgo/bitgo.js
index 7bc8b351..dd1db689 100644
--- a/lib/plugins/wallet/bitgo/bitgo.js
+++ b/lib/plugins/wallet/bitgo/bitgo.js
@@ -103,11 +103,17 @@ function newFunding (account, cryptoCode) {
   })
 }
 
+function cryptoNetwork (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => account.environment === 'test' ? 'test' : 'main')
+}
+
 module.exports = {
   NAME,
   balance,
   sendCoins,
   newAddress,
   getStatus,
-  newFunding
+  newFunding,
+  cryptoNetwork
 }
diff --git a/lib/plugins/wallet/geth/geth.js b/lib/plugins/wallet/geth/geth.js
index 328223b0..d776d4b2 100644
--- a/lib/plugins/wallet/geth/geth.js
+++ b/lib/plugins/wallet/geth/geth.js
@@ -22,7 +22,8 @@ module.exports = {
   sweep,
   defaultAddress,
   supportsHd: true,
-  newFunding
+  newFunding,
+  privateKey
 }
 
 if (!web3.isConnected()) {
@@ -31,6 +32,10 @@ if (!web3.isConnected()) {
 
 const hex = bigNum => '0x' + bigNum.truncated().toString(16)
 
+function privateKey (account) {
+  return defaultWallet(account).getPrivateKey()
+}
+
 function sendCoins (account, toAddress, cryptoAtoms, cryptoCode) {
   return generateTx(toAddress, defaultWallet(account), cryptoAtoms, false)
   .then(_.tap(r => console.log('DEBUG113: %s', r)))
diff --git a/lib/plugins/wallet/litecoind/litecoind.js b/lib/plugins/wallet/litecoind/litecoind.js
index 4ab257f8..161f3f57 100644
--- a/lib/plugins/wallet/litecoind/litecoind.js
+++ b/lib/plugins/wallet/litecoind/litecoind.js
@@ -18,6 +18,9 @@ const rpcConfig = {
   port: config.rpcport || DEFAULT_PORT
 }
 
+console.log('DEBUG101: %j', configPath)
+console.log('DEBUG100: %j', rpcConfig)
+
 function fetch (method, params) {
   return jsonRpc.fetch(rpcConfig, method, params)
 }
@@ -40,11 +43,10 @@ function balance (account, cryptoCode) {
 }
 
 function sendCoins (account, address, cryptoAtoms, cryptoCode) {
-  const confirmations = 1
-  const bitcoins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
+  const coins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
 
   return checkCryptoCode(cryptoCode)
-  .then(() => fetch('sendfrom', [address, bitcoins, confirmations]))
+  .then(() => fetch('sendtoaddress', [address, coins]))
   .catch(err => {
     if (err.code === -6) throw new E.InsufficientFundsError()
     throw err
diff --git a/lib/plugins/wallet/zcashd/zcashd.js b/lib/plugins/wallet/zcashd/zcashd.js
index 6cc9c216..6d81bd78 100644
--- a/lib/plugins/wallet/zcashd/zcashd.js
+++ b/lib/plugins/wallet/zcashd/zcashd.js
@@ -40,11 +40,10 @@ function balance (account, cryptoCode) {
 }
 
 function sendCoins (account, address, cryptoAtoms, cryptoCode) {
-  const confirmations = 1
-  const bitcoins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
+  const coins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)
 
   return checkCryptoCode(cryptoCode)
-  .then(() => fetch('sendfrom', [address, bitcoins, confirmations]))
+  .then(() => fetch('sendtoaddress', [address, coins]))
   .catch(err => {
     if (err.code === -6) throw new E.InsufficientFundsError()
     throw err
diff --git a/lib/wallet.js b/lib/wallet.js
index 3c882f02..033a2ea3 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -139,6 +139,15 @@ function isHd (settings, cryptoCode) {
   .then(r => r.wallet.supportsHd)
 }
 
+function cryptoNetwork (settings, cryptoCode) {
+  const plugin = configManager.cryptoScoped(cryptoCode, settings.config).wallet
+  const wallet = ph.load(ph.WALLET, plugin)
+  const account = settings.accounts[plugin]
+
+  if (!wallet.cryptoNetwork) return Promise.resolve(false)
+  return wallet.cryptoNetwork(account, cryptoCode)
+}
+
 module.exports = {
   balance: mem(balance, {maxAge: FETCH_INTERVAL}),
   sendCoins,
@@ -146,5 +155,6 @@ module.exports = {
   getStatus,
   sweep,
   isHd,
-  newFunding
+  newFunding,
+  cryptoNetwork
 }
diff --git a/main.tf b/main.tf
new file mode 100644
index 00000000..735155d7
--- /dev/null
+++ b/main.tf
@@ -0,0 +1,37 @@
+module "zcash" {
+  source = "./blockchain"
+  name = "zcash"
+  blockchain_cmd = "zcashd"
+  blockchain_conf = "zcash.conf"
+  ssh_key = "${digitalocean_ssh_key.default.id}"
+}
+
+module "litecoin" {
+  source = "./blockchain"
+  name = "litecoin"
+  blockchain_cmd = "litecoind"
+  blockchain_conf = "litecoin.conf"
+  ssh_key = "${digitalocean_ssh_key.default.id}"
+}
+
+module "dash" {
+  source = "./blockchain"
+  name = "dash"
+  blockchain_cmd = "dashd"
+  blockchain_conf = "dash.conf"
+  ssh_key = "${digitalocean_ssh_key.default.id}"
+}
+
+module "bitcoin" {
+  source = "./blockchain"
+  name = "bitcoin"
+  blockchain_cmd = "bitcoind"
+  blockchain_conf = "bitcoin.conf"
+  ssh_key = "${digitalocean_ssh_key.default.id}"
+}
+
+resource "digitalocean_ssh_key" "default" {
+  name       = "Lamassu Server"
+  public_key = "${file("${pathexpand("~/.ssh/id_rsa.pub")}")}"
+}
+
diff --git a/package-lock.json b/package-lock.json
index 18e9ed9b..641ba185 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,12 +41,61 @@
       "integrity": "sha1-0KV9Jeua6rlkO90aAwZCuRwSPig=",
       "dev": true
     },
+    "@fczbkk/uuid4": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@fczbkk/uuid4/-/uuid4-3.0.0.tgz",
+      "integrity": "sha1-lksiHLlV4csPBEdnqWaCgCOjhLs="
+    },
+    "accepts": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
+      "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo="
+    },
+    "aes-js": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-0.2.4.tgz",
+      "integrity": "sha1-lLiBq3FyhtAV+iGeCPtmcJ3aWj0="
+    },
+    "after": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
+    },
+    "agent-base": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
+      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc="
+    },
+    "ajv": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+      "dependencies": {
+        "co": {
+          "version": "4.6.0",
+          "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+          "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+        }
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "optional": true
+    },
     "ansi-align": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
       "integrity": "sha1-w2rsy6VjuJzrVW82kPCx2eNUf38=",
       "dev": true,
       "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
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       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+    },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
+    },
+    "yeast": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
+      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
     }
   }
 }
diff --git a/package.json b/package.json
index 24f7536e..cf4ea20a 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "bitcoind-rpc": "^0.7.0",
     "bitgo": "^3.4.0",
     "body-parser": "^1.15.1",
+    "console-log-level": "^1.4.0",
     "cookie-parser": "^1.4.3",
     "ethereumjs-tx": "^1.3.0",
     "ethereumjs-wallet": "^0.6.0",
@@ -23,8 +24,10 @@
     "express-ws": "^3.0.0",
     "got": "^7.0.0",
     "helmet": "^3.6.1",
+    "inquirer": "^3.1.1",
     "kraken-api": "DeX3/npm-kraken-api",
     "lodash": "^4.17.2",
+    "make-dir": "^1.0.0",
     "mem": "^1.1.0",
     "migrate": "^0.2.2",
     "minimist": "^1.2.0",
@@ -68,6 +71,7 @@
     "lamassu-nuke-db": "./bin/lamassu-nuke-db"
   },
   "scripts": {
+    "start": "node bin/lamassu-server",
     "test": "ava"
   },
   "devDependencies": {
diff --git a/public/elm.js b/public/elm.js
index 8f83bedc..b52f781b 100644
--- a/public/elm.js
+++ b/public/elm.js
@@ -21386,16 +21386,24 @@ var _pablohirafuji$elm_qrcode$QRCode_View$rectView = function (_p1) {
 					_elm_lang$core$Basics$toString(_p2.row * _pablohirafuji$elm_qrcode$QRCode_View$moduleSize)),
 				_1: {
 					ctor: '::',
-					_0: _elm_lang$svg$Svg_Attributes$width(
-						_elm_lang$core$Basics$toString(_pablohirafuji$elm_qrcode$QRCode_View$moduleSize)),
+					_0: _elm_lang$svg$Svg_Attributes$rx('0'),
 					_1: {
 						ctor: '::',
-						_0: _elm_lang$svg$Svg_Attributes$height(
-							_elm_lang$core$Basics$toString(_pablohirafuji$elm_qrcode$QRCode_View$moduleSize)),
+						_0: _elm_lang$svg$Svg_Attributes$ry('0'),
 						_1: {
 							ctor: '::',
-							_0: _elm_lang$svg$Svg_Attributes$fill('black'),
-							_1: {ctor: '[]'}
+							_0: _elm_lang$svg$Svg_Attributes$width(
+								_elm_lang$core$Basics$toString(_pablohirafuji$elm_qrcode$QRCode_View$moduleSize)),
+							_1: {
+								ctor: '::',
+								_0: _elm_lang$svg$Svg_Attributes$height(
+									_elm_lang$core$Basics$toString(_pablohirafuji$elm_qrcode$QRCode_View$moduleSize)),
+								_1: {
+									ctor: '::',
+									_0: _elm_lang$svg$Svg_Attributes$fill('black'),
+									_1: {ctor: '[]'}
+								}
+							}
 						}
 					}
 				}
diff --git a/yarn.lock b/yarn.lock
index 43dc0e14..4501c46b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -102,6 +102,10 @@ ansi-align@^2.0.0:
   dependencies:
     string-width "^2.0.0"
 
+ansi-escapes@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-2.0.0.tgz#5bae52be424878dd9783e8910e3fc2922e83c81b"
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -1327,6 +1331,10 @@ cli-truncate@^1.0.0:
     slice-ansi "0.0.4"
     string-width "^2.0.0"
 
+cli-width@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
+
 cliui@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
@@ -1458,6 +1466,10 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
 
+console-log-level@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/console-log-level/-/console-log-level-1.4.0.tgz#4035818beea37e5850a0c03c8d450ca5f2cd1217"
+
 content-disposition@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
@@ -2152,6 +2164,14 @@ extend@3, extend@^3.0.0, extend@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.0.tgz#5a474353b9f3353ddd8176dfd37b91c83a46f1d4"
 
+external-editor@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.0.4.tgz#1ed9199da9cbfe2ef2f7a31b2fde8b0d12368972"
+  dependencies:
+    iconv-lite "^0.4.17"
+    jschardet "^1.4.2"
+    tmp "^0.0.31"
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -2679,10 +2699,14 @@ hullabaloo-config-manager@^1.0.0:
     resolve-from "^3.0.0"
     safe-buffer "^5.0.1"
 
-iconv-lite@0.4.15, iconv-lite@^0.4.5:
+iconv-lite@0.4.15:
   version "0.4.15"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.15.tgz#fe265a218ac6a57cfe854927e9d04c19825eddeb"
 
+iconv-lite@^0.4.17, iconv-lite@^0.4.5:
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
+
 ienoopen@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/ienoopen/-/ienoopen-1.0.0.tgz#346a428f474aac8f50cf3784ea2d0f16f62bda6b"
@@ -2732,6 +2756,25 @@ ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
 
+inquirer@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.1.1.tgz#87621c4fba4072f48a8dd71c9f9df6f100b2d534"
+  dependencies:
+    ansi-escapes "^2.0.0"
+    chalk "^1.0.0"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^2.0.4"
+    figures "^2.0.0"
+    lodash "^4.3.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rx-lite "^4.0.8"
+    rx-lite-aggregates "^4.0.8"
+    string-width "^2.0.0"
+    strip-ansi "^3.0.0"
+    through "^2.3.6"
+
 invariant@^2.2.0:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
@@ -3012,6 +3055,10 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
+jschardet@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/jschardet/-/jschardet-1.4.2.tgz#2aa107f142af4121d145659d44f50830961e699a"
+
 jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
@@ -3229,7 +3276,7 @@ lodash@^3.1.0, lodash@^3.10.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.12.0, lodash@^4.17.2, lodash@^4.2.0:
+lodash@^4.12.0, lodash@^4.17.2, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -3464,6 +3511,10 @@ multimatch@^2.1.0:
     arrify "^1.0.0"
     minimatch "^3.0.0"
 
+mute-stream@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
+
 nan@^2.0.5, nan@^2.0.8, nan@^2.2.1, nan@^2.3.0:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
@@ -3662,7 +3713,7 @@ os-locale@^1.4.0:
   dependencies:
     lcid "^1.0.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@^1.0.1:
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
@@ -4509,6 +4560,22 @@ rootpath@0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/rootpath/-/rootpath-0.1.2.tgz#5b379a87dca906e9b91d690a599439bef267ea6b"
 
+run-async@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
+  dependencies:
+    is-promise "^2.1.0"
+
+rx-lite-aggregates@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
+  dependencies:
+    rx-lite "*"
+
+rx-lite@*, rx-lite@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
+
 safe-buffer@^5.0.1, safe-buffer@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.0.tgz#fe4c8460397f9eaaaa58e73be46273408a45e223"
@@ -4678,7 +4745,7 @@ socket.io-adapter@~1.1.0:
   dependencies:
     debug "2.3.3"
 
-socket.io-client@^2.0.3:
+socket.io-client@^2.0.3, socket.io-client@~2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.0.3.tgz#6caf4aff9f85b19fd91b6ce13d69adb564f8873b"
   dependencies:
@@ -4696,24 +4763,6 @@ socket.io-client@^2.0.3:
     socket.io-parser "~3.1.1"
     to-array "0.1.4"
 
-socket.io-client@~2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.0.2.tgz#86f59db59ba1168724220f39be281ad49af742c1"
-  dependencies:
-    backo2 "1.0.2"
-    base64-arraybuffer "0.1.5"
-    component-bind "1.0.0"
-    component-emitter "1.2.1"
-    debug "~2.6.4"
-    engine.io-client "~3.1.0"
-    has-cors "1.1.0"
-    indexof "0.0.1"
-    object-component "0.0.3"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
-    socket.io-parser "~3.1.1"
-    to-array "0.1.4"
-
 socket.io-parser@~3.1.1:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.1.2.tgz#dbc2282151fc4faebbe40aeedc0772eba619f7f2"
@@ -5033,7 +5082,7 @@ through2@^2.0.0:
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
-through@2, through@~2.3.8:
+through@2, through@^2.3.6, through@~2.3.8:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -5054,6 +5103,12 @@ timed-out@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
 
+tmp@^0.0.31:
+  version "0.0.31"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.31.tgz#8f38ab9438e17315e5dbd8b3657e8bfb277ae4a7"
+  dependencies:
+    os-tmpdir "~1.0.1"
+
 to-array@0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/to-array/-/to-array-0.1.4.tgz#17e6c11f73dd4f3d74cda7a4ff3238e9ad9bf890"
@@ -5228,11 +5283,7 @@ uuid@^2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
 
-uuid@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
-
-uuid@^3.1.0:
+uuid@^3.0.0, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"