From 548d285e5b98b14b55a9a7c7f7ad92c1b6bbdad4 Mon Sep 17 00:00:00 2001
From: Neal Conner <neal@lamassu.is>
Date: Sat, 11 Nov 2017 17:16:28 -0500
Subject: [PATCH] Add BCH

---
 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/config.js                           |  14 +-
 lib/blockchain/bitcoincash.js                 |  31 ++++
 lib/blockchain/common.js                      |  26 +++-
 lib/blockchain/install.js                     |   3 +-
 lib/coin-utils.js                             |  10 ++
 lib/plugins/common/kraken.js                  |   4 +
 .../wallet/bitcoincashd/bitcoincashd.js       | 136 ++++++++++++++++++
 main.tf                                       |  37 -----
 package.json                                  |   6 +-
 20 files changed, 216 insertions(+), 227 deletions(-)
 delete mode 100644 blockchain/blockchain.tf
 delete mode 100644 blockchains/bitcoin/install.sh
 delete mode 100644 blockchains/dash/install.sh
 delete mode 100644 blockchains/litecoin/install.sh
 delete mode 100644 blockchains/supervisor.conf
 delete mode 100644 blockchains/tunnel.conf
 delete mode 100644 blockchains/zcash/install.sh
 delete mode 100644 blockchains/zcash/local-post-install
 delete mode 100644 blockchains/zcash/local-pre-install
 delete mode 100644 blockchains/zcash/upgrade.sh
 delete mode 100644 blockchains/zcash/zcash.conf
 create mode 100644 lib/blockchain/bitcoincash.js
 create mode 100644 lib/plugins/wallet/bitcoincashd/bitcoincashd.js
 delete mode 100644 main.tf

diff --git a/blockchain/blockchain.tf b/blockchain/blockchain.tf
deleted file mode 100644
index aa28d2cd..00000000
--- a/blockchain/blockchain.tf
+++ /dev/null
@@ -1,54 +0,0 @@
-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
deleted file mode 100644
index bed5b2b3..00000000
--- a/blockchains/bitcoin/install.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/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
deleted file mode 100644
index 6307bd12..00000000
--- a/blockchains/dash/install.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/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
deleted file mode 100644
index 75c266a7..00000000
--- a/blockchains/litecoin/install.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/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-0.14.2/linux/litecoin-0.14.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
-tar -xzf litecoin-0.14.2-x86_64-linux-gnu.tar.gz >> $LOG_FILE 2>&1
-cp litecoin-0.14.2/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 >> $LOG_FILE 2>&1
diff --git a/blockchains/supervisor.conf b/blockchains/supervisor.conf
deleted file mode 100644
index c3314227..00000000
--- a/blockchains/supervisor.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-[program:${blockchain}]
-command=nice -n +6 /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
deleted file mode 100644
index 3a11c59d..00000000
--- a/blockchains/tunnel.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-[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
deleted file mode 100644
index dce9a8f2..00000000
--- a/blockchains/zcash/install.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/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-1.0.12-linux64.tar.gz >> $LOG_FILE 2>&1
-tar -xzf zcash-1.0.12-linux64.tar.gz >> $LOG_FILE 2>&1
-cp zcash-1.0.12/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 >> $LOG_FILE 2>&1
diff --git a/blockchains/zcash/local-post-install b/blockchains/zcash/local-post-install
deleted file mode 100644
index e69de29b..00000000
diff --git a/blockchains/zcash/local-pre-install b/blockchains/zcash/local-pre-install
deleted file mode 100644
index e426ecfd..00000000
--- a/blockchains/zcash/local-pre-install
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env node
-
-const path = require('path')
-const crypto = require('crypto')
-const fs = require('fs')
-
-const options = require('../../lib/options')
-
-const blockchainDir = options.blockchainDir
-const confPath = path.resolve(blockchainDir, 'zcash.conf')
-const password = crypto.randomBytes(32).toString('hex')
-
-const conf = `rpcuser=username
-rpcpassword=${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
deleted file mode 100644
index 25344533..00000000
--- a/blockchains/zcash/upgrade.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/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
deleted file mode 100644
index c64efeb2..00000000
--- a/blockchains/zcash/zcash.conf
+++ /dev/null
@@ -1,4 +0,0 @@
-rpcuser=username
-mainnet=1
-addnode=mainnet.z.cash
-dbcache=500
diff --git a/lib/admin/config.js b/lib/admin/config.js
index 672d3692..65d6be24 100644
--- a/lib/admin/config.js
+++ b/lib/admin/config.js
@@ -150,7 +150,7 @@ const mapLanguage = lang => {
 
 const supportedLanguages = languageRec.supported
 const languages = supportedLanguages.map(mapLanguage).filter(r => r)
-const ALL_CRYPTOS = ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC']
+const ALL_CRYPTOS = ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC', 'BCH']
 
 function fetchData () {
   return machineLoader.getMachineNames()
@@ -161,13 +161,14 @@ function fetchData () {
       {crypto: 'ETH', display: 'Ethereum'},
       {crypto: 'LTC', display: 'Litecoin'},
       {crypto: 'DASH', display: 'Dash'},
-      {crypto: 'ZEC', display: 'Zcash'}
+      {crypto: 'ZEC', display: 'Zcash'},
+      {crypto: 'BCH', display: 'BCH'}
     ],
     languages: languages,
     countries,
     accounts: [
       {code: 'bitpay', display: 'Bitpay', class: 'ticker', cryptos: ['BTC']},
-      {code: 'kraken', display: 'Kraken', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC']},
+      {code: 'kraken', display: 'Kraken', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC', 'BCH']},
       {code: 'bitstamp', display: 'Bitstamp', class: 'ticker', cryptos: ['BTC', 'LTC']},
       {code: 'coinbase', display: 'Coinbase', class: 'ticker', cryptos: ['BTC', 'ETH', 'LTC']},
       {code: 'mock-ticker', display: 'Mock ticker', class: 'ticker', cryptos: ALL_CRYPTOS},
@@ -176,9 +177,10 @@ function fetchData () {
       {code: 'zcashd', display: 'zcashd', class: 'wallet', cryptos: ['ZEC']},
       {code: 'litecoind', display: 'litecoind', class: 'wallet', cryptos: ['LTC']},
       {code: 'dashd', display: 'dashd', class: 'wallet', cryptos: ['DASH']},
+      {code: 'bitcoincashd', display: 'bitcoincashd', class: 'wallet', cryptos: ['BCH']},
       {code: 'bitgo', display: 'BitGo', class: 'wallet', cryptos: ['BTC']},
       {code: 'bitstamp', display: 'Bitstamp', class: 'exchange', cryptos: ['BTC', 'LTC']},
-      {code: 'kraken', display: 'Kraken', class: 'exchange', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC']},
+      {code: 'kraken', display: 'Kraken', class: 'exchange', cryptos: ['BTC', 'ETH', 'LTC', 'DASH', 'ZEC', 'BCH']},
       {code: 'mock-wallet', display: 'Mock wallet', class: 'wallet', cryptos: ALL_CRYPTOS},
       {code: 'no-exchange', display: 'No exchange', class: 'exchange', cryptos: ALL_CRYPTOS},
       {code: 'mock-exchange', display: 'Mock exchange', class: 'exchange', cryptos: ALL_CRYPTOS},
@@ -186,10 +188,10 @@ function fetchData () {
       {code: 'mock-id-verify', display: 'Mock ID verifier', class: 'idVerifier'},
       {code: 'twilio', display: 'Twilio', class: 'sms'},
       {code: 'mailjet', display: 'Mailjet', class: 'email'},
-      {code: 'all-zero-conf', display: 'Always 0-conf', class: 'zeroConf', cryptos: ['BTC', 'ZEC', 'LTC', 'DASH']},
+      {code: 'all-zero-conf', display: 'Always 0-conf', class: 'zeroConf', cryptos: ['BTC', 'ZEC', 'LTC', 'DASH', 'BCH']},
       {code: 'no-zero-conf', display: 'Always 1-conf', class: 'zeroConf', cryptos: ALL_CRYPTOS},
       {code: 'blockcypher', display: 'Blockcypher', class: 'zeroConf', cryptos: ['BTC']},
-      {code: 'mock-zero-conf', display: 'Mock 0-conf', class: 'zeroConf', cryptos: ['BTC', 'ZEC', 'LTC', 'DASH']}
+      {code: 'mock-zero-conf', display: 'Mock 0-conf', class: 'zeroConf', cryptos: ['BTC', 'ZEC', 'LTC', 'DASH', 'BCH']}
     ],
     machines: machineList.map(machine => ({machine: machine.deviceId, display: machine.name}))
   }))
diff --git a/lib/blockchain/bitcoincash.js b/lib/blockchain/bitcoincash.js
new file mode 100644
index 00000000..24772e82
--- /dev/null
+++ b/lib/blockchain/bitcoincash.js
@@ -0,0 +1,31 @@
+const path = require('path')
+
+const coinUtils = require('../coin-utils')
+
+const common = require('./common')
+
+module.exports = {setup}
+
+const coinRec = coinUtils.getCryptoCurrency('BCH')
+
+function setup (dataDir) {
+  common.firewall([coinRec.defaultPort])
+  const config = buildConfig()
+  common.writeFile(path.resolve(dataDir, coinRec.configFile), config)
+  const cmd = `/usr/local/bin/${coinRec.daemon} -datadir=${dataDir} -conf=${dataDir}/bitcoincash.conf`
+  common.writeSupervisorConfig(coinRec, cmd)
+}
+
+function buildConfig () {
+  return `rpcuser=lamassuserver
+rpcpassword=${common.randomPass()}
+dbcache=500
+server=1
+connections=40
+keypool=10000
+prune=4000
+daemon=0
+bind=0.0.0.0:8334
+rpcport=8335
+`
+}
diff --git a/lib/blockchain/common.js b/lib/blockchain/common.js
index 0541ed18..bae9e71a 100644
--- a/lib/blockchain/common.js
+++ b/lib/blockchain/common.js
@@ -3,6 +3,9 @@ const os = require('os')
 const path = require('path')
 const cp = require('child_process')
 const fs = require('fs')
+
+const _ = require('lodash/fp')
+
 const logger = require('console-log-level')({level: 'info'})
 
 module.exports = {
@@ -18,8 +21,8 @@ module.exports = {
 
 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'
+    url: 'https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-0.15.1/bin'
   },
   ETH: {
     url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.7.2-1db4ecdc.tar.gz',
@@ -30,12 +33,17 @@ const BINARIES = {
     dir: 'zcash-1.0.12/bin'
   },
   DASH: {
-    url: 'https://www.dash.org/binaries/dashcore-0.12.1.5-linux64.tar.gz',
-    dir: 'dashcore-0.12.1/bin'
+    url: 'https://github.com/dashpay/dash/releases/download/v0.12.2.1/dashcore-0.12.2.1-linux64.tar.gz',
+    dir: 'dashcore-0.12.2/bin'
   },
   LTC: {
     url: 'https://download.litecoin.org/litecoin-0.14.2/linux/litecoin-0.14.2-x86_64-linux-gnu.tar.gz',
     dir: 'litecoin-0.14.2/bin'
+  },
+  BCH: {
+    url: 'https://download.bitcoinabc.org/0.16.1/linux/bitcoin-abc-0.16.1-x86_64-linux-gnu.tar.gz',
+    dir: 'bitcoin-abc-0.16.1/bin',
+    files: [['bitcoind', 'bitcoincashd'], ['bitcoin-cli', 'bitcoincash-cli']]
   }
 }
 
@@ -90,7 +98,15 @@ function fetchAndInstall (coinRec) {
 
   es(`wget -q ${url}`)
   es(`tar -xzf ${downloadFile}`)
-  es(`sudo cp ${binDir}/* /usr/local/bin`)
+
+  if (_.isEmpty(binaries.files)) {
+    es(`sudo cp ${binDir}/* /usr/local/bin`)
+    return
+  }
+
+  _.forEach(([source, target]) => {
+    es(`sudo cp ${binDir}/${source} /usr/local/bin/${target}`)
+  }, binaries.files)
 }
 
 function writeFile (path, content) {
diff --git a/lib/blockchain/install.js b/lib/blockchain/install.js
index 783be5a4..96c8d1d9 100644
--- a/lib/blockchain/install.js
+++ b/lib/blockchain/install.js
@@ -21,7 +21,8 @@ const PLUGINS = {
   LTC: require('./litecoin.js'),
   ETH: require('./ethereum.js'),
   DASH: require('./dash.js'),
-  ZEC: require('./zcash.js')
+  ZEC: require('./zcash.js'),
+  BCH: require('./bitcoincash.js')
 }
 
 module.exports = {run}
diff --git a/lib/coin-utils.js b/lib/coin-utils.js
index 85cbda75..d5de3f84 100644
--- a/lib/coin-utils.js
+++ b/lib/coin-utils.js
@@ -49,6 +49,15 @@ const CRYPTO_CURRENCIES = [
     daemon: 'zcashd',
     defaultPort: 8232,
     unitScale: 8
+  },
+  {
+    cryptoCode: 'BCH',
+    display: 'BCH',
+    code: 'bitcoincash',
+    configFile: 'bitcoincash.conf',
+    daemon: 'bitcoincashd',
+    defaultPort: 8335,
+    unitScale: 8
   }
 ]
 
@@ -71,6 +80,7 @@ function buildUrl (cryptoCode, address) {
     case 'ZEC': return `zcash:${address}`
     case 'LTC': return `litecoin:${address}`
     case 'DASH': return `dash:${address}`
+    case 'BCH': return `bitcoincash:${address}`
     default: throw new Error(`Unsupported crypto: ${cryptoCode}`)
   }
 }
diff --git a/lib/plugins/common/kraken.js b/lib/plugins/common/kraken.js
index 143f0622..deef5bd6 100644
--- a/lib/plugins/common/kraken.js
+++ b/lib/plugins/common/kraken.js
@@ -20,6 +20,10 @@ const PAIRS = {
   DASH: {
     USD: 'DASHUSD',
     EUR: 'DASHEUR'
+  },
+  BCH: {
+    USD: 'BCHUSD',
+    EUR: 'BCHEUR'
   }
 }
 
diff --git a/lib/plugins/wallet/bitcoincashd/bitcoincashd.js b/lib/plugins/wallet/bitcoincashd/bitcoincashd.js
new file mode 100644
index 00000000..8c6d4ce7
--- /dev/null
+++ b/lib/plugins/wallet/bitcoincashd/bitcoincashd.js
@@ -0,0 +1,136 @@
+const jsonRpc = require('../../common/json-rpc')
+
+const bs58check = require('bs58check')
+const BN = require('../../../bn')
+const E = require('../../../error')
+const coinUtils = require('../../../coin-utils')
+
+const cryptoRec = coinUtils.getCryptoCurrency('BCH')
+const configPath = coinUtils.configPath(cryptoRec)
+const unitScale = cryptoRec.unitScale
+const config = jsonRpc.parseConf(configPath)
+
+const rpcConfig = {
+  username: config.rpcuser,
+  password: config.rpcpassword,
+  port: config.rpcport || cryptoRec.defaultPort
+}
+
+function fetch (method, params) {
+  return jsonRpc.fetch(rpcConfig, method, params)
+}
+
+function checkCryptoCode (cryptoCode) {
+  if (cryptoCode !== 'BCH') return Promise.reject(new Error('Unsupported crypto: ' + cryptoCode))
+  return Promise.resolve()
+}
+
+function accountBalance (account, cryptoCode, confirmations) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => fetch('getbalance', ['', confirmations]))
+  .then(r => BN(r).shift(unitScale).round())
+}
+
+// We want a balance that includes all spends (0 conf) but only deposits that
+// have at least 1 confirmation. getbalance does this for us automatically.
+function balance (account, cryptoCode) {
+  return accountBalance(account, cryptoCode, 1)
+}
+
+function bchToBtcVersion (version) {
+  if (version === 0x1c) return 0x00
+  if (version === 0x28) return 0x05
+
+  return version
+}
+
+// Bitcoin-ABC only accepts BTC style addresses at this point,
+// so we need to convert
+function bchToBtcAddress (address) {
+  const buf = bs58check.decode(address)
+  const version = buf[0]
+  buf[0] = bchToBtcVersion(version)
+  return bs58check.encode(buf)
+}
+
+function sendCoins (account, address, cryptoAtoms, cryptoCode) {
+  const coins = cryptoAtoms.shift(-unitScale).toFixed(8)
+
+  const btcAddress = bchToBtcAddress(address)
+
+  return checkCryptoCode(cryptoCode)
+  .then(() => fetch('sendtoaddress', [btcAddress, coins]))
+  .catch(err => {
+    if (err.code === -6) throw new E.InsufficientFundsError()
+    throw err
+  })
+}
+
+function newAddress (account, info) {
+  return checkCryptoCode(info.cryptoCode)
+  .then(() => fetch('getnewaddress'))
+}
+
+function addressBalance (address, confs) {
+  const btcAddress = bchToBtcAddress(address)
+
+  return fetch('getreceivedbyaddress', [btcAddress, confs])
+  .then(r => BN(r).shift(unitScale).round())
+}
+
+function confirmedBalance (address, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => addressBalance(address, 1))
+}
+
+function pendingBalance (address, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => addressBalance(address, 0))
+}
+
+function getStatus (account, toAddress, requested, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => confirmedBalance(toAddress, cryptoCode))
+  .then(confirmed => {
+    if (confirmed.gte(requested)) return {status: 'confirmed'}
+
+    return pendingBalance(toAddress, cryptoCode)
+    .then(pending => {
+      if (pending.gte(requested)) return {status: 'authorized'}
+      if (pending.gt(0)) return {status: 'insufficientFunds'}
+      return {status: 'notSeen'}
+    })
+  })
+}
+
+function newFunding (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => {
+    const promises = [
+      accountBalance(account, cryptoCode, 0),
+      accountBalance(account, cryptoCode, 1),
+      newAddress(account, {cryptoCode})
+    ]
+
+    return Promise.all(promises)
+  })
+  .then(([fundingPendingBalance, fundingConfirmedBalance, fundingAddress]) => ({
+    fundingPendingBalance,
+    fundingConfirmedBalance,
+    fundingAddress
+  }))
+}
+
+function cryptoNetwork (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => parseInt(rpcConfig.port, 10) === 18332 ? 'test' : 'main')
+}
+
+module.exports = {
+  balance,
+  sendCoins,
+  newAddress,
+  getStatus,
+  newFunding,
+  cryptoNetwork
+}
diff --git a/main.tf b/main.tf
deleted file mode 100644
index 735155d7..00000000
--- a/main.tf
+++ /dev/null
@@ -1,37 +0,0 @@
-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.json b/package.json
index 66edc14e..9c68d74a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "lamassu-server",
   "description": "bitcoin atm client server protocol module",
   "keywords": [],
-  "version": "5.5.27",
+  "version": "5.5.28",
   "license": "Unlicense",
   "author": "Lamassu (https://lamassu.is)",
   "dependencies": {
@@ -50,7 +50,9 @@
     "uuid": "^3.1.0",
     "web3": "^0.19.1",
     "winston": "^2.3.0",
-    "ws": "^3.1.0"
+    "ws": "^3.1.0",
+    "bitcore-lib": "^0.15.0",
+    "bitcore-lib-cash": "git+https://github.com/bitpay/bitcore-lib.git#cash"
   },
   "repository": {
     "type": "git",