add support for funding

2017-06-17 01:38:51 +03:00 · 2017-06-17 01:38:51 +03:00 · bf0dc3f7f3
commit bf0dc3f7f3
parent 8440fa3b1d
15 changed files with 731 additions and 356 deletions
--- a/lib/admin/admin-server.js
+++ b/lib/admin/admin-server.js
@ -27,6 +27,7 @@ const login = require('./login')
 const pairing = require('./pairing')
 const server = require('./server')
 const transactions = require('./transactions')
+const funding = require('./funding')

 const NEVER = new Date(Date.now() + 100 * T.years)
 const REAUTHENTICATE_INTERVAL = T.minute
@ -122,6 +123,18 @@ app.post('/api/machines', (req, res) => {
  .then(() => dbNotify())
 })

+app.get('/api/funding', (req, res) => {
+  return funding.getFunding()
+  .then(r => res.json(r))
+})
+
+app.get('/api/funding/:cryptoCode', (req, res) => {
+  const cryptoCode = req.params.cryptoCode
+
+  return funding.getFunding(cryptoCode)
+  .then(r => res.json(r))
+})
+
 app.get('/api/status', (req, res, next) => {
  return Promise.all([server.status(), config.validateCurrentConfig()])
  .then(([serverStatus, invalidConfigGroups]) => res.send({
--- a/lib/admin/funding.js
+++ b/lib/admin/funding.js
@ -0,0 +1,61 @@
+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')
+
+module.exports = {getFunding}
+
+function computeCrypto (cryptoCode, _balance) {
+  const unitScale = coinUtils.coins[cryptoCode].unitScale
+
+  return BN(_balance).shift(-unitScale).round(5)
+}
+
+function computeFiat (rate, cryptoCode, _balance) {
+  const unitScale = coinUtils.coins[cryptoCode].unitScale
+
+  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: ${cryptoCode}`)
+  return settingsLoader.loadLatest()
+  .then(settings => {
+    const config = configManager.unscoped(settings.config)
+    const fiatCode = config.fiatCurrency
+
+    const promises = [
+      wallet.newFunding(settings, cryptoCode),
+      ticker.getRates(settings, fiatCode, cryptoCode)
+    ]
+
+    return Promise.all(promises)
+    .then(([fundingRec, ratesRec]) => {
+      const rates = ratesRec.rates
+      const rate = (rates.ask.add(rates.bid)).div(2)
+      const fundingConfirmedBalance = fundingRec.fundingConfirmedBalance
+      const fiatConfirmedBalance = computeFiat(rate, cryptoCode, fundingConfirmedBalance)
+      const pending = fundingRec.fundingPendingBalance.sub(fundingConfirmedBalance)
+      const fiatPending = computeFiat(rate, cryptoCode, pending)
+      const fundingAddress = fundingRec.fundingAddress
+      const fundingAddressUrl = coinUtils.buildUrl(cryptoCode, fundingAddress)
+
+      return {
+        cryptoCode,
+        cryptoDisplays,
+        fundingAddress,
+        fundingAddressUrl,
+        confirmedBalance: computeCrypto(cryptoCode, fundingConfirmedBalance).toFormat(5),
+        pending: computeCrypto(cryptoCode, pending).toFormat(5),
+        fiatConfirmedBalance: fiatConfirmedBalance.toFormat(2),
+        fiatPending: fiatPending.toFormat(2),
+        fiatCode
+      }
+    })
+  })
+}
--- a/lib/coin-utils.js
+++ b/lib/coin-utils.js
@ -0,0 +1,19 @@
+const coins = {
+  BTC: {unitScale: 8},
+  ETH: {unitScale: 18}
+}
+
+const cryptoDisplays = [
+  {cryptoCode: 'BTC', display: 'Bitcoin'},
+  {cryptoCode: 'ETH', display: 'Ethereum'}
+]
+
+module.exports = {coins, cryptoDisplays, buildUrl}
+
+function buildUrl (cryptoCode, address) {
+  switch (cryptoCode) {
+    case 'BTC': return `bitcoin:${address}`
+    case 'ETH': return `ethereum:${address}`
+    default: throw new Error(`Unsupported crypto: ${cryptoCode}`)
+  }
+}
--- a/lib/plugin-helper.js
+++ b/lib/plugin-helper.js
@ -19,6 +19,8 @@ function load (type, pluginCode) {
    throw new Error(`Unallowed plugin type: ${type}`)
  }

+  if (!pluginCode) throw new Error(`No plugin defined for ${type}`)
+
  if (pluginCode.search(/[a-z0-9\-]/) === -1) {
    throw new Error(`Unallowed plugin name: ${pluginCode}`)
  }
--- a/lib/plugins.js
+++ b/lib/plugins.js
@ -17,6 +17,7 @@ const sms = require('./sms')
 const email = require('./email')
 const cashOutHelper = require('./cash-out-helper')
 const machineLoader = require('./machine-loader')
+const coinUtils = require('./coin-utils')

 const mapValuesWithKey = _.mapValues.convert({cap: false})

@ -26,10 +27,7 @@ const STALE_BALANCE = 3 * T.minutes
 const PONG_TTL = '1 week'
 const tradesQueues = {}

-const coins = {
-  BTC: {unitScale: 8},
-  ETH: {unitScale: 18}
-}
+const coins = coinUtils.coins

 function plugins (settings, deviceId) {
  function buildRates (tickers) {
--- a/lib/plugins/wallet/bitcoind/bitcoind.js
+++ b/lib/plugins/wallet/bitcoind/bitcoind.js
@ -50,25 +50,30 @@ function parseConf (confPath) {
 }

 function checkCryptoCode (cryptoCode) {
-  if (cryptoCode !== 'BTC') throw new Error('Unsupported crypto: ' + cryptoCode)
+  if (cryptoCode !== 'BTC') return Promise.reject(new Error('Unsupported crypto: ' + cryptoCode))
+  return Promise.resolve()
+}
+
+function accountBalance (account, cryptoCode, confirmations) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => {
+    const rpc = initRpc()
+
+    return new Promise((resolve, reject) => {
+      rpc.getBalance(pluginConfig.account, confirmations, (err, result) => {
+        if (err) return reject(err)
+        if (result.error) reject(new Error(err))
+
+        return resolve(BN(result.result).shift(SATOSHI_SHIFT).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 new Promise((resolve, reject) => {
-    checkCryptoCode(cryptoCode)
-    const rpc = initRpc()
-    rpc.getBalance(pluginConfig.account, 1, (err, result) => {
-      if (err) return reject(err)
-
-      if (result.error) {
-        return reject(err)
-      }
-
-      resolve(BN(result.result).shift(SATOSHI_SHIFT).round())
-    })
-  })
+  return accountBalance(account, cryptoCode, 1)
 }

 function sendCoins (account, address, cryptoAtoms, cryptoCode) {
@ -76,26 +81,30 @@ function sendCoins (account, address, cryptoAtoms, cryptoCode) {
  const confirmations = 1
  const bitcoins = cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)

-  return new Promise((resolve, reject) => {
-    checkCryptoCode(cryptoCode)
-    rpc.sendFrom(pluginConfig.account, address, bitcoins, confirmations, (err, result) => {
-      if (err) {
-        if (err.code === -6) return reject(new E.InsufficientFundsError())
-        return reject(err)
-      }
+  return checkCryptoCode(cryptoCode)
+  .then(() => {
+    return new Promise((resolve, reject) => {
+      rpc.sendFrom(pluginConfig.account, address, bitcoins, confirmations, (err, result) => {
+        if (err) {
+          if (err.code === -6) return reject(new E.InsufficientFundsError())
+          return reject(err)
+        }

-      resolve(result.result)
+        resolve(result.result)
+      })
    })
  })
 }

 function newAddress (account, info) {
-  return new Promise((resolve, reject) => {
-    checkCryptoCode(info.cryptoCode)
-    const rpc = initRpc()
-    rpc.getNewAddress((err, result) => {
-      if (err) return reject(err)
-      resolve(result.result)
+  return checkCryptoCode(info.cryptoCode)
+  .then(() => {
+    return new Promise((resolve, reject) => {
+      const rpc = initRpc()
+      rpc.getNewAddress((err, result) => {
+        if (err) return reject(err)
+        resolve(result.result)
+      })
    })
  })
 }
@ -106,17 +115,23 @@ function addressBalance (address, confs) {
  .then(r => BN(r.result).shift(SATOSHI_SHIFT).round())
 }

-const confirmedBalance = address => addressBalance(address, 1)
-const pendingBalance = address => addressBalance(address, 0)
+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 Promise.resolve()
-  .then(() => checkCryptoCode(cryptoCode))
-  .then(() => confirmedBalance(toAddress))
+  return checkCryptoCode(cryptoCode)
+  .then(() => confirmedBalance(toAddress, cryptoCode))
  .then(confirmed => {
    if (confirmed.gte(requested)) return {status: 'confirmed'}

-    return pendingBalance(toAddress)
+    return pendingBalance(toAddress, cryptoCode)
    .then(pending => {
      if (pending.gte(requested)) return {status: 'authorized'}
      if (pending.gt(0)) return {status: 'insufficientFunds'}
@ -125,10 +140,31 @@ function getStatus (account, toAddress, requested, cryptoCode) {
  })
 }

+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
+  }))
+}
+
 module.exports = {
  NAME,
  balance,
+  pendingBalance,
+  confirmedBalance,
  sendCoins,
  newAddress,
-  getStatus
+  getStatus,
+  newFunding
 }
--- a/lib/plugins/wallet/bitgo/bitgo.js
+++ b/lib/plugins/wallet/bitgo/bitgo.js
@ -84,10 +84,30 @@ function getStatus (account, toAddress, requested, cryptoCode) {
  })
 }

+function newFunding (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => {
+    return getWallet(account)
+    .then(wallet => {
+      return wallet.createAddress()
+      .then(result => {
+        const fundingAddress = result.address
+        return wallet.setLabel({address: fundingAddress, label: 'Funding Address'})
+        .then(() => ({
+          fundingPendingBalance: BN(wallet.wallet.balance),
+          fundingConfirmedBalance: BN(wallet.wallet.confirmedBalance),
+          fundingAddress
+        }))
+      })
+    })
+  })
+}
+
 module.exports = {
  NAME,
  balance,
  sendCoins,
  newAddress,
-  getStatus
+  getStatus,
+  newFunding
 }
--- a/lib/plugins/wallet/geth/geth.js
+++ b/lib/plugins/wallet/geth/geth.js
@ -21,7 +21,8 @@ module.exports = {
  getStatus,
  sweep,
  defaultAddress,
-  supportsHd: true
+  supportsHd: true,
+  newFunding
 }

 if (!web3.isConnected()) {
@ -36,13 +37,13 @@ function sendCoins (account, toAddress, cryptoAtoms, cryptoCode) {
  .then(pify(web3.eth.sendRawTransaction))
 }

-function validateCrypto (cryptoCode) {
+function checkCryptoCode (cryptoCode) {
  if (cryptoCode === 'ETH') return Promise.resolve()
  return Promise.reject(new Error('cryptoCode must be ETH'))
 }

 function balance (account, cryptoCode) {
-  return validateCrypto(cryptoCode)
+  return checkCryptoCode(cryptoCode)
  .then(() => pendingBalance(defaultAddress(account)))
 }

@ -136,7 +137,7 @@ function newAddress (account, info) {
 }

 function getStatus (account, toAddress, cryptoAtoms, cryptoCode) {
-  return validateCrypto(cryptoCode)
+  return checkCryptoCode(cryptoCode)
  .then(() => confirmedBalance(toAddress))
  .then(confirmed => {
    if (confirmed.gte(cryptoAtoms)) return {status: 'confirmed'}
@ -164,3 +165,22 @@ function defaultHdNode (account) {
  const key = hdkey.fromMasterSeed(masterSeed)
  return key.derivePath(defaultPrefixPath)
 }
+
+function newFunding (account, cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+  .then(() => {
+    const fundingAddress = defaultAddress(account)
+
+    const promises = [
+      pendingBalance(fundingAddress),
+      confirmedBalance(fundingAddress)
+    ]
+
+    return Promise.all(promises)
+    .then(([fundingPendingBalance, fundingConfirmedBalance]) => ({
+      fundingPendingBalance,
+      fundingConfirmedBalance,
+      fundingAddress
+    }))
+  })
+}
--- a/lib/plugins/wallet/mock-wallet/mock-wallet.js
+++ b/lib/plugins/wallet/mock-wallet/mock-wallet.js
@ -19,6 +19,24 @@ function balance (account, cryptoCode) {
  })
 }

+function pendingBalance (account, cryptoCode) {
+  return Promise.resolve()
+  .then(() => {
+    if (cryptoCode === 'BTC') return BN(1e8 * 10.1)
+    if (cryptoCode === 'ETH') return BN(1e18 * 10.1)
+    throw new Error('Unsupported crypto: ' + cryptoCode)
+  })
+}
+
+function confirmedBalance (account, cryptoCode) {
+  return Promise.resolve()
+  .then(() => {
+    if (cryptoCode === 'BTC') return BN(1e8 * 10)
+    if (cryptoCode === 'ETH') return BN(1e18 * 10)
+    throw new Error('Unsupported crypto: ' + cryptoCode)
+  })
+}
+
 // Note: This makes it easier to test insufficient funds errors
 let sendCount = 0

@ -50,6 +68,21 @@ function newAddress () {
  return Promise.resolve('<Fake address, don\'t send>')
 }

+function newFunding (account, cryptoCode) {
+  const promises = [
+    pendingBalance(account, cryptoCode),
+    confirmedBalance(account, cryptoCode),
+    newAddress(account, {cryptoCode})
+  ]
+
+  return Promise.all(promises)
+  .then(([fundingPendingBalance, fundingConfirmedBalance, fundingAddress]) => ({
+    fundingPendingBalance,
+    fundingConfirmedBalance,
+    fundingAddress
+  }))
+}
+
 function getStatus (account, toAddress, cryptoAtoms, cryptoCode) {
  const elapsed = Date.now() - t0

@ -66,5 +99,6 @@ module.exports = {
  balance,
  sendCoins,
  newAddress,
-  getStatus
+  getStatus,
+  newFunding
 }
--- a/lib/wallet.js
+++ b/lib/wallet.js
@ -68,6 +68,16 @@ function newAddress (settings, info) {
  .then(r => r.wallet.newAddress(r.account, info))
 }

+function newFunding (settings, cryptoCode, address) {
+  return fetchWallet(settings, cryptoCode)
+  .then(r => {
+    const wallet = r.wallet
+    const account = r.account
+
+    return wallet.newFunding(account, cryptoCode)
+  })
+}
+
 function getWalletStatus (settings, tx) {
  return fetchWallet(settings, tx.cryptoCode)
  .then(r => r.wallet.getStatus(r.account, tx.toAddress, tx.cryptoAtoms, tx.cryptoCode))
@ -135,5 +145,6 @@ module.exports = {
  newAddress,
  getStatus,
  sweep,
-  isHd
+  isHd,
+  newFunding
 }
--- a/package-lock.json
+++ b/package-lock.json
@ -479,6 +479,11 @@
      "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
      "dev": true
    },
+    "bignumber.js": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-4.0.2.tgz",
+      "integrity": "sha1-LR3DfuWWiGfs6pC22k0W5oYI0h0="
+    },
    "binary-extensions": {
      "version": "1.8.0",
      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.8.0.tgz",
@ -595,12 +600,6 @@
        }
      }
    },
-    "capture-stack-trace": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz",
-      "integrity": "sha1-Sm+gc5nCa7pH8LJJa00PtAjFVQ0=",
-      "dev": true
-    },
    "chalk": {
      "version": "1.1.3",
      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@ -709,18 +708,6 @@
      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
      "dev": true
    },
-    "color-convert": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.0.tgz",
-      "integrity": "sha1-Gsz5fdc5uYO/mU1W/sj5WFNkG3o=",
-      "dev": true
-    },
-    "color-name": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.2.tgz",
-      "integrity": "sha1-XIq3K2S9IhXWF66VWeuxSEdc+Y0=",
-      "dev": true
-    },
    "common-path-prefix": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/common-path-prefix/-/common-path-prefix-1.0.0.tgz",
@ -775,12 +762,6 @@
      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
      "dev": true
    },
-    "create-error-class": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
-      "integrity": "sha1-Br56vvlHo/FKMP1hBnHUAbyot7Y=",
-      "dev": true
-    },
    "cross-spawn": {
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
@ -795,20 +776,6 @@
        }
      }
    },
-    "cross-spawn-async": {
-      "version": "2.2.5",
-      "resolved": "https://registry.npmjs.org/cross-spawn-async/-/cross-spawn-async-2.2.5.tgz",
-      "integrity": "sha1-hF/wwINKPe2dFg2sptOQkGuyiMw=",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.0.tgz",
-          "integrity": "sha512-aHGs865JXz6bkB4AHL+3AhyvTFKL3iZamKVWjIUKnXOXyasJvqPK8WAjOnAQKQZVpeXDVz19u1DD0r/12bWAdQ==",
-          "dev": true
-        }
-      }
-    },
    "crypto-random-string": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
@ -875,12 +842,6 @@
      "integrity": "sha1-qEk/C3te7sglJbXHWH+n3nyoWcE=",
      "dev": true
    },
-    "duplexer3": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
-      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
-      "dev": true
-    },
    "empower-core": {
      "version": "0.6.2",
      "resolved": "https://registry.npmjs.org/empower-core/-/empower-core-0.6.2.tgz",
@ -1015,12 +976,6 @@
      "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=",
      "dev": true
    },
-    "fs.realpath": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
-    },
    "fsevents": {
      "version": "1.1.1",
      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.1.tgz",
@ -1784,12 +1739,6 @@
      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
      "dev": true
    },
-    "has-color": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/has-color/-/has-color-0.1.7.tgz",
-      "integrity": "sha1-ZxRKUmDDT8PMpnfQQdr1L+e3iy8=",
-      "dev": true
-    },
    "has-flag": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
@ -1852,12 +1801,6 @@
      "integrity": "sha1-CP9DNGAziDmbMp5rlTjcejz13n0=",
      "dev": true
    },
-    "inflight": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
-      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
-      "dev": true
-    },
    "inherits": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
@ -2014,18 +1957,6 @@
      "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=",
      "dev": true
    },
-    "is-redirect": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
-      "integrity": "sha1-HQPd7VO9jbDzDCbk+V02/HyH3CQ=",
-      "dev": true
-    },
-    "is-retry-allowed": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz",
-      "integrity": "sha1-EaBgVotnM5REAz0BJaYaINVk+zQ=",
-      "dev": true
-    },
    "is-stream": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
@ -2246,12 +2177,6 @@
      "integrity": "sha1-W0b4AUft7leIcPCG0Eghz5mOVR8=",
      "dev": true
    },
-    "lowercase-keys": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.0.tgz",
-      "integrity": "sha1-TjNms55/VFfjXxMkvfb4jQv8cwY=",
-      "dev": true
-    },
    "make-dir": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.0.0.tgz",
@ -2459,12 +2384,6 @@
        }
      }
    },
-    "once": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
-      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true
-    },
    "onetime": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
@ -2557,12 +2476,6 @@
      "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
      "dev": true
    },
-    "parse-ms": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/parse-ms/-/parse-ms-1.0.1.tgz",
-      "integrity": "sha1-VjRtR0nXjyNDDKDHE4UK75GqNh0=",
-      "dev": true
-    },
    "path-exists": {
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
@ -2639,12 +2552,6 @@
      "integrity": "sha1-dIJFLBoPUI4+NE6uwxLJHCncZVo=",
      "dev": true
    },
-    "prepend-http": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
-      "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=",
-      "dev": true
-    },
    "preserve": {
      "version": "0.2.0",
      "resolved": "https://registry.npmjs.org/preserve/-/preserve-0.2.0.tgz",
@ -2677,12 +2584,6 @@
      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
      "dev": true
    },
-    "pseudomap": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
-      "dev": true
-    },
    "randomatic": {
      "version": "1.1.7",
      "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.7.tgz",
@ -2961,12 +2862,6 @@
      "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc=",
      "dev": true
    },
-    "sprintf-js": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
-      "dev": true
-    },
    "stack-utils": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/stack-utils/-/stack-utils-1.0.1.tgz",
@ -3125,12 +3020,6 @@
        }
      }
    },
-    "timed-out": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
-      "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=",
-      "dev": true
-    },
    "to-fast-properties": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
@ -3173,12 +3062,6 @@
      "integrity": "sha1-G1g3z5DAc22IYncytmHBOPht5y8=",
      "dev": true
    },
-    "url-parse-lax": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
-      "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
-      "dev": true
-    },
    "util-deprecate": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@ -3203,12 +3086,6 @@
      "integrity": "sha1-DAnIXCqUaD0Nfq+O4JfVZL8OEFw=",
      "dev": true
    },
-    "wrappy": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
-    },
    "write-file-atomic": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.1.0.tgz",
@ -3252,12 +3129,6 @@
      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
      "dev": true
-    },
-    "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-      "dev": true
    }
  }
 }
--- a/package.json
+++ b/package.json
@ -9,7 +9,7 @@
    "@fczbkk/uuid4": "^3.0.0",
    "axios": "^0.16.1",
    "base-x": "^3.0.2",
-    "bignumber.js": "^4.0.1",
+    "bignumber.js": "^4.0.2",
    "bip39": "^2.3.1",
    "bitcoind-rpc": "^0.7.0",
    "bitgo": "^3.3.6",
--- a/public/elm.js
+++ b/public/elm.js
--- a/public/styles.css
+++ b/public/styles.css
@ -117,36 +117,57 @@ p {
    border-radius: 5px;
 }

+.lamassuAdminContainer {
+    padding: 30px;
+    background-color: #f6f6f4;
+    border-radius: 0px 5px 5px 5px;
+    width: 30em;
+}
+
+.lamassuAdminCryptoAddress {
+    font-family: Inconsolata, monospace;
+}
+
+.lamassuAdminBalanceSection {
+    margin-top: 2em;
+}
+
+.lamassuAdminBalanceSection  h2 {
+    font-size: 1.2em;
+    margin-bottom: 0.2em;
+}
+
 .lamassuAdminCryptoTabs {
    display: flex;
 }

-.lamassuAdminCryptoTabs > div {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab {
    padding: 10px 15px;
    color: #5f5f56;
    font-weight: bold;
    cursor: pointer;
    background-color: #E6E6E3;
+    text-decoration: none;
 }

-.lamassuAdminCryptoTabs > div:hover {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab:hover {
    background-color: #fcfcfa;
 }

-.lamassuAdminCryptoTabs > div:active {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab:active {
    color: #5f5f56;
 }

-.lamassuAdminCryptoTabs > div.lamassuAdminActive {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab.lamassuAdminActive {
    color: #5f5f56;
    background-color: #f6f6f4;
 }

-.lamassuAdminCryptoTabs > div:first-child {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab:first-child {
    border-radius: 5px 0px 0px 0px;
 }

-.lamassuAdminCryptoTabs > div:last-child {
+.lamassuAdminCryptoTabs > .lamassuAdminCryptoTab:last-child {
    border-radius: 0px 5px 0px 0px;
 }

--- a/yarn.lock
+++ b/yarn.lock
@ -916,7 +916,7 @@ bignumber.js@^2.0.3, "bignumber.js@git+https://github.com/debris/bignumber.js.gi
  version "2.0.7"
  resolved "git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2"

-bignumber.js@^4.0.0, bignumber.js@^4.0.1, bignumber.js@~4.0.2:
+bignumber.js@^4.0.0, bignumber.js@^4.0.2, bignumber.js@~4.0.2:
  version "4.0.2"
  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-4.0.2.tgz#2d1dc37ee5968867ecea90b6da4d16e68608d21d"

@ -2004,9 +2004,9 @@ ethereumjs-tx@^1.3.0:
    ethereum-common "^0.0.18"
    ethereumjs-util "^5.0.0"

-ethereumjs-util@^4.3.0, ethereumjs-util@^4.4.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
+ethereumjs-util@^4.3.0, ethereumjs-util@^4.4.0, ethereumjs-util@~4.4.1:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.4.1.tgz#6316bfbc8a01c8767a78620928ed79ef424c3f92"
  dependencies:
    bn.js "^4.8.0"
    create-hash "^1.1.2"
@ -2027,16 +2027,6 @@ ethereumjs-util@^5.0.0:
    rlp "^2.0.0"
    secp256k1 "^3.0.1"

-ethereumjs-util@~4.4.1:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.4.1.tgz#6316bfbc8a01c8767a78620928ed79ef424c3f92"
-  dependencies:
-    bn.js "^4.8.0"
-    create-hash "^1.1.2"
-    keccakjs "^0.2.0"
-    rlp "^2.0.0"
-    secp256k1 "^3.0.1"
-
 ethereumjs-wallet@^0.6.0:
  version "0.6.0"
  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.0.tgz#82763b1697ee7a796be7155da9dfb49b2f98cfdb"
@ -2277,11 +2267,7 @@ form-data@^2.1.1, form-data@~2.1.1:
    combined-stream "^1.0.5"
    mime-types "^2.1.12"

-formidable@^1.0.17:
-  version "1.0.17"
-  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.0.17.tgz#ef5491490f9433b705faa77249c99029ae348559"
-
-formidable@^1.1.1:
+formidable@^1.0.17, formidable@^1.1.1:
  version "1.1.1"
  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.1.1.tgz#96b8886f7c3c3508b932d6bd70c4d3a88f35f1a9"