feat: change to generic ERC-20 ABI json file

fix: coinUtils rename import

lib/admin/funding.js

@@ -4,7 +4,7 @@ const settingsLoader = require('./settings-loader')
 const configManager = require('./config-manager')
 const wallet = require('../wallet')
 const ticker = require('../ticker')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 const machineLoader = require('../machine-loader')
 
 module.exports = {getFunding}
@@ -40,14 +40,14 @@ function fetchMachines () {
 }
 
 function computeCrypto (cryptoCode, _balance) {
-  const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
   const unitScale = cryptoRec.unitScale
 
   return BN(_balance).shift(-unitScale).round(5)
 }
 
 function computeFiat (rate, cryptoCode, _balance) {
-  const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
   const unitScale = cryptoRec.unitScale
 
   return BN(_balance).shift(-unitScale).mul(rate).round(5)
@@ -61,9 +61,9 @@ function getFunding (_cryptoCode) {
       const cryptoCode = _cryptoCode || cryptoCodes[0]
       const fiatCode = config.fiatCurrency
       const pareCoins = c => _.includes(c.cryptoCode, cryptoCodes)
-      const cryptoCurrencies = utils.cryptoCurrencies()
+      const cryptoCurrencies = coinUtils.cryptoCurrencies()
       const cryptoDisplays = _.filter(pareCoins, cryptoCurrencies)
-      const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+      const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
 
       if (!cryptoRec) throw new Error(`Unsupported coin: ${cryptoCode}`)
 
@@ -81,7 +81,7 @@ function getFunding (_cryptoCode) {
           const pending = fundingRec.fundingPendingBalance
           const fiatPending = computeFiat(rate, cryptoCode, pending)
           const fundingAddress = fundingRec.fundingAddress
-          const fundingAddressUrl = utils.buildUrl(cryptoCode, fundingAddress)
+          const fundingAddressUrl = coinUtils.buildUrl(cryptoCode, fundingAddress)
 
           return {
             cryptoCode,

lib/blockchain/bitcoin.js

@@ -1,12 +1,12 @@
 const path = require('path')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
 module.exports = {setup}
 
-const coinRec = utils.getCryptoCurrency('BTC')
+const coinRec = coinUtils.getCryptoCurrency('BTC')
 
 function setup (dataDir) {
   common.firewall([coinRec.defaultPort])

lib/blockchain/bitcoincash.js

@@ -1,12 +1,12 @@
 const path = require('path')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
 module.exports = {setup}
 
-const coinRec = utils.getCryptoCurrency('BCH')
+const coinRec = coinUtils.getCryptoCurrency('BCH')
 
 function setup (dataDir) {
   common.firewall([coinRec.defaultPort])

lib/blockchain/dash.js

@@ -1,12 +1,12 @@
 const path = require('path')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
 module.exports = {setup}
 
-const coinRec = utils.getCryptoCurrency('DASH')
+const coinRec = coinUtils.getCryptoCurrency('DASH')
 
 function setup (dataDir) {
   common.firewall([coinRec.defaultPort])

lib/blockchain/ethereum.js

@@ -1,11 +1,11 @@
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
 module.exports = {setup}
 
 function setup (dataDir) {
-  const coinRec = utils.getCryptoCurrency('ETH')
+  const coinRec = coinUtils.getCryptoCurrency('ETH')
   common.firewall([coinRec.defaultPort])
   const cmd = `/usr/local/bin/${coinRec.daemon} --datadir "${dataDir}" --syncmode="fast" --cache 2048 --maxpeers 40 --rpc`
   common.writeSupervisorConfig(coinRec, cmd)

lib/blockchain/install.js

@@ -7,13 +7,13 @@ const makeDir = require('make-dir')
 const inquirer = require('inquirer')
 const _ = require('lodash/fp')
 
-const { utils } = require('lamassu-coins')
-const coinUtils = require('../coin-utils')
+const { utils: coinUtils } = require('lamassu-coins')
+const blockchainUtils = require('../blockchain-utils')
 
 const common = require('./common')
 const doVolume = require('./do-volume')
 
-const cryptos = utils.cryptoCurrencies()
+const cryptos = coinUtils.cryptoCurrencies()
 
 const logger = common.logger
 
@@ -29,7 +29,7 @@ const PLUGINS = {
 module.exports = {run}
 
 function installedVolumeFilePath (crypto) {
-  return path.resolve(utils.cryptoDir(crypto, coinUtils.blockchainDir()), '.installed')
+  return path.resolve(coinUtils.cryptoDir(crypto, blockchainUtils.blockchainDir()), '.installed')
 }
 
 function isInstalledVolume (crypto) {
@@ -59,7 +59,7 @@ function processCryptos (codes) {
   _.forEach(setupCrypto, selectedCryptos)
   common.es('sudo service supervisor restart')
 
-  const blockchainDir = coinUtils.blockchainDir()
+  const blockchainDir = blockchainUtils.blockchainDir()
   const backupDir = path.resolve(os.homedir(), 'backups')
   const rsyncCmd = `( \
     (crontab -l 2>/dev/null || echo -n "") | grep -v "@daily rsync ".*"wallet.dat"; \
@@ -74,7 +74,7 @@ function processCryptos (codes) {
 
 function setupCrypto (crypto) {
   logger.info(`Installing ${crypto.display}...`)
-  const cryptoDir = utils.cryptoDir(crypto, coinUtils.blockchainDir())
+  const cryptoDir = coinUtils.cryptoDir(crypto, blockchainUtils.blockchainDir())
   makeDir.sync(cryptoDir)
   const cryptoPlugin = plugin(crypto)
   const oldDir = process.cwd()

lib/blockchain/litecoin.js

@@ -1,12 +1,12 @@
 const path = require('path')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
 module.exports = {setup}
 
-const coinRec = utils.getCryptoCurrency('LTC')
+const coinRec = coinUtils.getCryptoCurrency('LTC')
 
 function setup (dataDir) {
   common.firewall([coinRec.defaultPort])

lib/blockchain/zcash.js

@@ -1,6 +1,6 @@
 const path = require('path')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const common = require('./common')
 
@@ -12,7 +12,7 @@ const logger = common.logger
 function setup (dataDir) {
   es('sudo apt-get update')
   es('sudo apt-get install libgomp1 -y')
-  const coinRec = utils.getCryptoCurrency('ZEC')
+  const coinRec = coinUtils.getCryptoCurrency('ZEC')
 
   common.firewall([coinRec.defaultPort])
   logger.info('Fetching Zcash proofs, will take a while...')

lib/commission-math.js

@@ -1,6 +1,6 @@
 const BN = require('./bn')
 const configManager = require('./new-config-manager')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 function truncateCrypto (cryptoAtoms, cryptoCode) {
   const DECIMAL_PLACES = 3
@@ -20,7 +20,7 @@ function fiatToCrypto (tx, rec, deviceId, config) {
   const tickerRate = BN(tx.rawTickerPrice)
   const discount = getDiscountRate(tx.discount, commissions[tx.direction])
   const rate = tickerRate.mul(discount).round(5)
-  const unitScale = utils.getCryptoCurrency(tx.cryptoCode).unitScale
+  const unitScale = coinUtils.getCryptoCurrency(tx.cryptoCode).unitScale
   const unitScaleFactor = BN(10).pow(unitScale)
 
   return truncateCrypto(BN(usableFiat).div(rate.div(unitScaleFactor)), tx.cryptoCode)

lib/new-admin/config/accounts.js

@@ -25,7 +25,7 @@ const ALL_ACCOUNTS = [
   { code: 'bitcoind', display: 'bitcoind', class: WALLET, cryptos: [BTC] },
   { code: 'no-layer2', display: 'No Layer 2', class: LAYER_2, cryptos: ALL_CRYPTOS },
   { code: 'infura', display: 'Infura', class: WALLET, cryptos: [ETH, USDT] },
-  { code: 'geth', display: 'geth (DEPRECATED)', class: WALLET, cryptos: [ETH], deprecated: true },
+  { code: 'geth', display: 'geth (DEPRECATED)', class: WALLET, cryptos: [ETH, USDT], deprecated: true },
   { code: 'zcashd', display: 'zcashd', class: WALLET, cryptos: [ZEC] },
   { code: 'litecoind', display: 'litecoind', class: WALLET, cryptos: [LTC] },
   { code: 'dashd', display: 'dashd', class: WALLET, cryptos: [DASH] },

lib/new-admin/services/funding.js

@@ -4,17 +4,17 @@ const settingsLoader = require('../../new-settings-loader')
 const configManager = require('../../new-config-manager')
 const wallet = require('../../wallet')
 const ticker = require('../../ticker')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 function computeCrypto (cryptoCode, _balance) {
-  const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
   const unitScale = cryptoRec.unitScale
 
   return BN(_balance).shift(-unitScale).round(5)
 }
 
 function computeFiat (rate, cryptoCode, _balance) {
-  const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
   const unitScale = cryptoRec.unitScale
 
   return BN(_balance).shift(-unitScale).mul(rate).round(5)
@@ -35,7 +35,7 @@ function getSingleCoinFunding (settings, fiatCode, cryptoCode) {
       const pending = fundingRec.fundingPendingBalance
       const fiatPending = computeFiat(rate, cryptoCode, pending)
       const fundingAddress = fundingRec.fundingAddress
-      const fundingAddressUrl = utils.buildUrl(cryptoCode, fundingAddress)
+      const fundingAddressUrl = coinUtils.buildUrl(cryptoCode, fundingAddress)
 
       return {
         cryptoCode,
@@ -58,7 +58,7 @@ function getFunding () {
     const cryptoCodes = configManager.getAllCryptoCurrencies(settings.config)
     const fiatCode = configManager.getGlobalLocale(settings.config).fiatCurrency
     const pareCoins = c => _.includes(c.cryptoCode, cryptoCodes)
-    const cryptoCurrencies = utils.cryptoCurrencies()
+    const cryptoCurrencies = coinUtils.cryptoCurrencies()
     const cryptoDisplays = _.filter(pareCoins, cryptoCurrencies)
 
     const promises = cryptoDisplays.map(it => getSingleCoinFunding(settings, fiatCode, it.cryptoCode))

lib/notifier/utils.js

@@ -1,6 +1,6 @@
 const _ = require('lodash/fp')
 const crypto = require('crypto')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 const numeral = require('numeral')
 const prettyMs = require('pretty-ms')
 
@@ -94,7 +94,7 @@ function sendNoAlerts (plugins, smsEnabled, emailEnabled) {
 const buildTransactionMessage = (tx, rec, highValueTx, machineName, customer) => {
   const isCashOut = tx.direction === 'cashOut'
   const direction = isCashOut ? 'Cash Out' : 'Cash In'
-  const crypto = `${utils.toUnit(tx.cryptoAtoms, tx.cryptoCode)} ${
+  const crypto = `${coinUtils.toUnit(tx.cryptoAtoms, tx.cryptoCode)} ${
     tx.cryptoCode
   }`
   const fiat = `${tx.fiat} ${tx.fiatCode}`

lib/plugins.js

@@ -26,7 +26,7 @@ const { cassetteMaxCapacity } = require('./constants')
 
 const notifier = require('./notifier')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const mapValuesWithKey = _.mapValues.convert({
   cap: false
@@ -204,7 +204,7 @@ function plugins (settings, deviceId) {
     const cashInFee = BN(commissions.fixedFee)
     const cashInCommission = BN(commissions.cashIn)
     const cashOutCommission = _.isNumber(commissions.cashOut) ? BN(commissions.cashOut) : null
-    const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+    const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
 
     return {
       cryptoCode,
@@ -335,7 +335,7 @@ function plugins (settings, deviceId) {
 
         const lowBalanceMargin = BN(1.03)
 
-        const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+        const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
         const unitScale = cryptoRec.unitScale
         const shiftedRate = rate.shift(-unitScale)
         const fiatTransferBalance = balance.mul(shiftedRate).div(lowBalanceMargin)

lib/plugins/common/kraken.js

@@ -1,32 +0,0 @@
-const PAIRS = {
-  BTC: {
-    USD: 'XXBTZUSD',
-    EUR: 'XXBTZEUR'
-  },
-  ETH: {
-    USD: 'XETHZUSD',
-    EUR: 'XETHZEUR'
-  },
-  ZEC: {
-    USD: 'XZECZUSD',
-    EUR: 'XZECZEUR'
-  },
-  LTC: {
-    USD: 'XLTCZUSD',
-    EUR: 'XLTCZEUR'
-  },
-  DASH: {
-    USD: 'DASHUSD',
-    EUR: 'DASHEUR'
-  },
-  BCH: {
-    USD: 'BCHUSD',
-    EUR: 'BCHEUR'
-  },
-  USDT: {
-    USD: 'USDTZUSD',
-    EUR: 'USDTEUR'
-  }
-}
-
-module.exports = {PAIRS}

lib/plugins/erc20/index.js

@@ -1,3 +0,0 @@
-const USDT = require('./abi/usdt.json')
-
-module.exports = { USDT }

lib/plugins/exchange/bitstamp/bitstamp.js

@@ -1,45 +0,0 @@
-const common = require('../../common/bitstamp')
-const { utils } = require('lamassu-coins')
-
-function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function handleErrors (data) {
-  if (!data.reason || !data.reason.__all__) return data
-
-  const err = new Error(data.reason.__all__[0])
-
-  if (data.reason.__all__[0].indexOf('Minimum order size is') === 0) {
-    err.name = 'orderTooSmall'
-  }
-
-  throw err
-}
-
-function trade (type, account, cryptoAtoms, _fiatCode, cryptoCode) {
-  const fiatCode = _fiatCode === 'USD' ? 'USD' : 'EUR'
-
-  try {
-    const market = common.buildMarket(fiatCode, cryptoCode)
-    const options = {amount: utils.toUnit(cryptoAtoms, cryptoCode).toFixed(8)}
-
-    return common.authRequest(account, '/' + type + '/market/' + market, options)
-      .catch(e => {
-        if (e.response) handleErrors(e.response.data)
-        throw e
-      })
-      .then(handleErrors)
-  } catch (e) {
-    return Promise.reject(e)
-  }
-}
-
-module.exports = {
-  buy,
-  sell
-}

lib/plugins/exchange/itbit/itbit.js

@@ -1,45 +0,0 @@
-const common = require('../../common/itbit')
-const { utils } = require('lamassu-coins')
-
-exports.buy = function (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-exports.sell = function (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function trade (type, account, cryptoAtoms, fiatCode, cryptoCode) {
-  try {
-    const instrument = common.buildMarket(fiatCode, cryptoCode)
-    const cryptoAmount = utils.toUnit(cryptoAtoms, cryptoCode)
-
-    return calculatePrice(type, instrument, cryptoAmount)
-      .then(price => {
-        const args = {
-          side: type,
-          type: 'limit',
-          currency: cryptoCode,
-          amount: cryptoAmount.toFixed(4),
-          price: price.toFixed(2),
-          instrument: instrument
-        }
-        return common.authRequest(account, 'POST', '/wallets/' + account.walletId + '/orders', args)
-      })
-  } catch (e) {
-    return Promise.reject(e)
-  }
-}
-
-function calculatePrice (type, tickerSymbol, amount) {
-  return common.request('GET', '/markets/' + tickerSymbol + '/order_book')
-    .then(orderBook => {
-      const book = type == 'buy' ? 'asks' : 'bids'
-      let collected = 0.0
-      for (const entry of orderBook[book]) {
-        collected += parseFloat(entry[1])
-        if (collected >= amount) return parseFloat(entry[0])
-      }
-      throw new Error('Insufficient market depth')
-    })
-}

lib/plugins/exchange/kraken/kraken.js

@@ -1,44 +0,0 @@
-// Note: Using DeX3/npm-kraken-api to adjust timeout time
-const Kraken = require('kraken-api')
-const _ = require('lodash/fp')
-
-const common = require('../../common/kraken')
-const { utils } = require('lamassu-coins')
-
-var PAIRS = common.PAIRS
-
-module.exports = {buy, sell}
-
-function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade(account, 'buy', cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
-  return trade(account, 'sell', cryptoAtoms, fiatCode, cryptoCode)
-}
-
-function trade (account, type, cryptoAtoms, fiatCode, cryptoCode) {
-  const kraken = new Kraken(account.apiKey, account.privateKey, {timeout: 30000})
-  const amount = utils.toUnit(cryptoAtoms, cryptoCode)
-  const amountStr = amount.toFixed(6)
-
-  const pair = _.includes(fiatCode, ['USD', 'EUR'])
-    ? PAIRS[cryptoCode][fiatCode]
-    : PAIRS[cryptoCode]['EUR']
-
-  var orderInfo = {
-    pair,
-    type,
-    ordertype: 'market',
-    volume: amountStr,
-    expiretm: '+60'
-  }
-
-  return new Promise((resolve, reject) => {
-    kraken.api('AddOrder', orderInfo, (error, response) => {
-      if (error) return reject(error)
-
-      return resolve()
-    })
-  })
-}

lib/plugins/tokens/erc20.abi.json

@@ -0,0 +1,282 @@
+[
+  {
+    "constant":true,
+    "inputs":[
+      
+    ],
+    "name":"name",
+    "outputs":[
+      {
+        "name":"",
+        "type":"string"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":false,
+    "inputs":[
+      {
+        "name":"_spender",
+        "type":"address"
+      },
+      {
+        "name":"_value",
+        "type":"uint256"
+      }
+    ],
+    "name":"approve",
+    "outputs":[
+      {
+        "name":"success",
+        "type":"bool"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      
+    ],
+    "name":"totalSupply",
+    "outputs":[
+      {
+        "name":"",
+        "type":"uint256"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":false,
+    "inputs":[
+      {
+        "name":"_from",
+        "type":"address"
+      },
+      {
+        "name":"_to",
+        "type":"address"
+      },
+      {
+        "name":"_value",
+        "type":"uint256"
+      }
+    ],
+    "name":"transferFrom",
+    "outputs":[
+      {
+        "name":"success",
+        "type":"bool"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      
+    ],
+    "name":"decimals",
+    "outputs":[
+      {
+        "name":"",
+        "type":"uint256"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      
+    ],
+    "name":"version",
+    "outputs":[
+      {
+        "name":"",
+        "type":"string"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      {
+        "name":"_owner",
+        "type":"address"
+      }
+    ],
+    "name":"balanceOf",
+    "outputs":[
+      {
+        "name":"balance",
+        "type":"uint256"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      
+    ],
+    "name":"symbol",
+    "outputs":[
+      {
+        "name":"",
+        "type":"string"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":false,
+    "inputs":[
+      {
+        "name":"_to",
+        "type":"address"
+      },
+      {
+        "name":"_value",
+        "type":"uint256"
+      }
+    ],
+    "name":"transfer",
+    "outputs":[
+      {
+        "name":"success",
+        "type":"bool"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":false,
+    "inputs":[
+      {
+        "name":"_spender",
+        "type":"address"
+      },
+      {
+        "name":"_value",
+        "type":"uint256"
+      },
+      {
+        "name":"_extraData",
+        "type":"bytes"
+      }
+    ],
+    "name":"approveAndCall",
+    "outputs":[
+      {
+        "name":"success",
+        "type":"bool"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "constant":true,
+    "inputs":[
+      {
+        "name":"_owner",
+        "type":"address"
+      },
+      {
+        "name":"_spender",
+        "type":"address"
+      }
+    ],
+    "name":"allowance",
+    "outputs":[
+      {
+        "name":"remaining",
+        "type":"uint256"
+      }
+    ],
+    "payable":false,
+    "type":"function"
+  },
+  {
+    "inputs":[
+      {
+        "name":"_initialAmount",
+        "type":"uint256"
+      },
+      {
+        "name":"_tokenName",
+        "type":"string"
+      },
+      {
+        "name":"_decimalUnits",
+        "type":"uint8"
+      },
+      {
+        "name":"_tokenSymbol",
+        "type":"string"
+      }
+    ],
+    "type":"constructor"
+  },
+  {
+    "payable":false,
+    "type":"fallback"
+  },
+  {
+    "anonymous":false,
+    "inputs":[
+      {
+        "indexed":true,
+        "name":"_from",
+        "type":"address"
+      },
+      {
+        "indexed":true,
+        "name":"_to",
+        "type":"address"
+      },
+      {
+        "indexed":false,
+        "name":"_value",
+        "type":"uint256"
+      }
+    ],
+    "name":"Transfer",
+    "type":"event"
+  },
+  {
+    "anonymous":false,
+    "inputs":[
+      {
+        "indexed":true,
+        "name":"_owner",
+        "type":"address"
+      },
+      {
+        "indexed":true,
+        "name":"_spender",
+        "type":"address"
+      },
+      {
+        "indexed":false,
+        "name":"_value",
+        "type":"uint256"
+      }
+    ],
+    "name":"Approval",
+    "type":"event"
+  }
+]

lib/plugins/tokens/index.js

@@ -0,0 +1,3 @@
+const ERC20 = require('./erc20.abi')
+
+module.exports = { ERC20 }

lib/plugins/wallet/bitcoincashd/bitcoincashd.js

@@ -1,13 +1,13 @@
 const _ = require('lodash/fp')
 const jsonRpc = require('../../common/json-rpc')
 
-const blockchainUtils = require('../../../coin-utils')
+const blockchainUtils = require('../../../blockchain-utils')
 const BN = require('../../../bn')
 const E = require('../../../error')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
-const cryptoRec = utils.getCryptoCurrency('BCH')
-const configPath = utils.configPath(cryptoRec, blockchainUtils.blockchainDir())
+const cryptoRec = coinUtils.getCryptoCurrency('BCH')
+const configPath = coinUtils.configPath(cryptoRec, blockchainUtils.blockchainDir())
 const unitScale = cryptoRec.unitScale
 
 function rpcConfig () {

lib/plugins/wallet/bitcoind/bitcoind.js

@@ -1,13 +1,13 @@
 const _ = require('lodash/fp')
 const jsonRpc = require('../../common/json-rpc')
 
-const blockchainUtils = require('../../../coin-utils')
+const blockchainUtils = require('../../../blockchain-utils')
 const BN = require('../../../bn')
 const E = require('../../../error')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
-const cryptoRec = utils.getCryptoCurrency('BTC')
-const configPath = utils.configPath(cryptoRec, blockchainUtils.blockchainDir())
+const cryptoRec = coinUtils.getCryptoCurrency('BTC')
+const configPath = coinUtils.configPath(cryptoRec, blockchainUtils.blockchainDir())
 const unitScale = cryptoRec.unitScale
 
 function rpcConfig () {

lib/plugins/wallet/dashd/dashd.js

@@ -1,14 +1,14 @@
 const _ = require('lodash/fp')
 const jsonRpc = require('../../common/json-rpc')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
-const blockchainUtils = require('../../../coin-utils')
+const blockchainUtils = require('../../../blockchain-utils')
 const BN = require('../../../bn')
 const E = require('../../../error')
 
-const cryptoRec = utils.getCryptoCurrency('DASH')
-const configPath = utils.configPath(cryptoRec, blockchainUtils.blockchainDir())
+const cryptoRec = coinUtils.getCryptoCurrency('DASH')
+const configPath = coinUtils.configPath(cryptoRec, blockchainUtils.blockchainDir())
 const unitScale = cryptoRec.unitScale
 
 function rpcConfig () {

lib/plugins/wallet/geth/base.js

@@ -8,7 +8,7 @@ const util = require('ethereumjs-util')
 const coins = require('lamassu-coins')
 const pify = require('pify')
 const BN = require('../../../bn')
-const erc20ABIs = require('../../erc20')
+const ABI = require('../../tokens')
 
 const NAME = 'geth'
 exports.SUPPORTED_MODULES = ['wallet']
@@ -84,7 +84,7 @@ const confirmedBalance = (address, cryptoCode) => _balance(false, address, crypt
 
 function _balance (includePending, address, cryptoCode) {
   if (coins.utils.getCryptoCurrency(cryptoCode).type === 'erc-20') {
-    const contract = web3.eth.contract(erc20ABIs[cryptoCode]).at(coins.utils.getErc20Token(cryptoCode).contractAddress)
+    const contract = web3.eth.contract(ABI.ERC20).at(coins.utils.getErc20Token(cryptoCode).contractAddress)
     return contract.balanceOf(address.toLowerCase())
   }
   const block = includePending ? 'pending' : undefined
@@ -98,7 +98,7 @@ function generateTx (toAddress, wallet, amount, includesFee, cryptoCode) {
 }
 
 function generateContractTx (_toAddress, wallet, amount, includesFee, cryptoCode) {
-  const contract = web3.eth.contract(erc20ABIs[cryptoCode]).at(coins.utils.getErc20Token(cryptoCode).contractAddress)
+  const contract = web3.eth.contract(ABI.ERC20).at(coins.utils.getErc20Token(cryptoCode).contractAddress)
 
   const fromAddress = '0x' + wallet.getAddress().toString('hex')
   const toAddress = _toAddress.toLowerCase()

lib/plugins/wallet/geth/geth.js

@@ -1,7 +1,7 @@
 const base = require('./base')
 
-const { utils } = require('lamassu-coins')
-const cryptoRec = utils.getCryptoCurrency('ETH')
+const { utils: coinUtils } = require('lamassu-coins')
+const cryptoRec = coinUtils.getCryptoCurrency('ETH')
 const defaultPort = cryptoRec.defaultPort
 
 base.connect(`http://localhost:${defaultPort}`)

lib/plugins/wallet/litecoind/litecoind.js

@@ -1,14 +1,14 @@
 const _ = require('lodash/fp')
 const jsonRpc = require('../../common/json-rpc')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
-const blockchainUtils = require('../../../coin-utils')
+const blockchainUtils = require('../../../blockchain-utils')
 const BN = require('../../../bn')
 const E = require('../../../error')
 
-const cryptoRec = utils.getCryptoCurrency('LTC')
-const configPath = utils.configPath(cryptoRec, blockchainUtils.blockchainDir())
+const cryptoRec = coinUtils.getCryptoCurrency('LTC')
+const configPath = coinUtils.configPath(cryptoRec, blockchainUtils.blockchainDir())
 const unitScale = cryptoRec.unitScale
 
 function rpcConfig () {

lib/plugins/wallet/lnd/lnd.js

@@ -2,12 +2,12 @@ const lnd = require('lnd-async')
 
 const BN = require('../../../bn')
 const E = require('../../../error')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 const options = require('../../../options')
 
 const _ = require('lodash/fp')
 
-const cryptoRec = utils.getCryptoCurrency('BTC')
+const cryptoRec = coinUtils.getCryptoCurrency('BTC')
 const unitScale = cryptoRec.unitScale
 
 module.exports = {

lib/plugins/wallet/mock-wallet/mock-wallet.js

@@ -1,6 +1,6 @@
 const BN = require('../../../bn')
 const E = require('../../../error')
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
 const NAME = 'FakeWallet'
 
@@ -12,7 +12,7 @@ const CONFIRM_TIME = AUTHORIZE_TIME + 120 * SECONDS
 let t0
 
 function _balance (cryptoCode) {
-  const cryptoRec = utils.getCryptoCurrency(cryptoCode)
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
   const unitScale = cryptoRec.unitScale
   return BN(10).shift(unitScale).round()
 }

lib/plugins/wallet/zcashd/zcashd.js

@@ -2,14 +2,14 @@ const _ = require('lodash/fp')
 const pRetry = require('p-retry') 
 const jsonRpc = require('../../common/json-rpc')
 
-const { utils } = require('lamassu-coins')
+const { utils: coinUtils } = require('lamassu-coins')
 
-const blockchainUtils = require('../../../coin-utils')
+const blockchainUtils = require('../../../blockchain-utils')
 const BN = require('../../../bn')
 const E = require('../../../error')
 
-const cryptoRec = utils.getCryptoCurrency('ZEC')
-const configPath = utils.configPath(cryptoRec, blockchainUtils.blockchainDir())
+const cryptoRec = coinUtils.getCryptoCurrency('ZEC')
+const configPath = coinUtils.configPath(cryptoRec, blockchainUtils.blockchainDir())
 const unitScale = cryptoRec.unitScale
 
 function rpcConfig () {

new-lamassu-admin/src/pages/Customers/components/TransactionsList.js

@@ -1,6 +1,6 @@
 import { makeStyles, Box } from '@material-ui/core'
 import BigNumber from 'bignumber.js'
-import { utils } from 'lamassu-coins'
+import { utils as coinUtils } from 'lamassu-coins'
 import * as R from 'ramda'
 import React from 'react'
 
@@ -103,7 +103,7 @@ const TransactionsList = ({ customer, data, loading, locale }) => {
       textAlign: 'right',
       view: it => (
         <>
-          {`${utils
+          {`${coinUtils
             .toUnit(new BigNumber(it.cryptoAtoms), it.cryptoCode)
             .toFormat(5)} `}
           <Label2 inline>{it.cryptoCode}</Label2>

new-lamassu-admin/src/pages/Funding.js

@@ -3,7 +3,7 @@ import { makeStyles } from '@material-ui/core/styles'
 import BigNumber from 'bignumber.js'
 import classnames from 'classnames'
 import gql from 'graphql-tag'
-import { utils } from 'lamassu-coins'
+import { utils as coinUtils } from 'lamassu-coins'
 import moment from 'moment'
 import QRCode from 'qrcode.react'
 import * as R from 'ramda'
@@ -52,7 +52,7 @@ const GET_FUNDING = gql`
 `
 
 const formatAddress = (cryptoCode = '', address = '') =>
-  utils.formatCryptoAddress(cryptoCode, address).replace(/(.{4})/g, '$1 ')
+  coinUtils.formatCryptoAddress(cryptoCode, address).replace(/(.{4})/g, '$1 ')
 const sumReducer = (acc, value) => acc.plus(value)
 const formatNumber = it => new BigNumber(it).toFormat(2)
 

new-lamassu-admin/src/pages/Machines/MachineComponents/Transactions/Transactions.js

@@ -2,7 +2,7 @@ import { useLazyQuery } from '@apollo/react-hooks'
 import { makeStyles } from '@material-ui/core'
 import BigNumber from 'bignumber.js'
 import gql from 'graphql-tag'
-import { utils } from 'lamassu-coins'
+import { utils as coinUtils } from 'lamassu-coins'
 import moment from 'moment'
 import * as R from 'ramda'
 import React, { useEffect, useState } from 'react'
@@ -118,13 +118,13 @@ const Transactions = ({ id }) => {
       textAlign: 'right',
       size: 'sm',
       view: it =>
-        `${utils
+        `${coinUtils
           .toUnit(new BigNumber(it.cryptoAtoms), it.cryptoCode)
           .toFormat(5)} ${it.cryptoCode}`
     },
     {
       header: 'Address',
-      view: it => utils.formatCryptoAddress(it.cryptoCode, it.toAddress),
+      view: it => coinUtils.formatCryptoAddress(it.cryptoCode, it.toAddress),
       className: classes.overflowTd,
       size: 'sm',
       textAlign: 'left',

new-lamassu-admin/src/pages/Transactions/DetailsCard.js

@@ -4,7 +4,7 @@ import BigNumber from 'bignumber.js'
 import FileSaver from 'file-saver'
 import gql from 'graphql-tag'
 import JSZip from 'jszip'
-import { utils } from 'lamassu-coins'
+import { utils as coinUtils } from 'lamassu-coins'
 import moment from 'moment'
 import * as R from 'ramda'
 import React, { memo } from 'react'
@@ -53,7 +53,7 @@ const TX_SUMMARY = gql`
 `
 
 const formatAddress = (cryptoCode = '', address = '') =>
-  utils.formatCryptoAddress(cryptoCode, address).replace(/(.{5})/g, '$1 ')
+  coinUtils.formatCryptoAddress(cryptoCode, address).replace(/(.{5})/g, '$1 ')
 
 const Label = ({ children }) => {
   const classes = useStyles()
@@ -70,7 +70,7 @@ const DetailsRow = ({ it: tx }) => {
   })
 
   const fiat = Number.parseFloat(tx.fiat)
-  const crypto = utils.toUnit(new BigNumber(tx.cryptoAtoms), tx.cryptoCode)
+  const crypto = coinUtils.toUnit(new BigNumber(tx.cryptoAtoms), tx.cryptoCode)
   const commissionPercentage = Number.parseFloat(tx.commissionPercentage, 2)
   const commission = Number(fiat * commissionPercentage).toFixed(2)
   const discount = tx.discount ? `-${tx.discount}%` : null

new-lamassu-admin/src/pages/Transactions/Transactions.js

@@ -2,7 +2,7 @@ import { useQuery } from '@apollo/react-hooks'
 import { makeStyles } from '@material-ui/core'
 import BigNumber from 'bignumber.js'
 import gql from 'graphql-tag'
-import { utils } from 'lamassu-coins'
+import { utils as coinUtils } from 'lamassu-coins'
 import * as R from 'ramda'
 import React from 'react'
 import { useHistory } from 'react-router-dom'
@@ -139,13 +139,13 @@ const Transactions = () => {
       textAlign: 'right',
       size: 'sm',
       view: it =>
-        `${utils
+        `${coinUtils
           .toUnit(new BigNumber(it.cryptoAtoms), it.cryptoCode)
           .toFormat(5)} ${it.cryptoCode}`
     },
     {
       header: 'Address',
-      view: it => utils.formatCryptoAddress(it.cryptoCode, it.toAddress),
+      view: it => coinUtils.formatCryptoAddress(it.cryptoCode, it.toAddress),
       className: classes.overflowTd,
       size: 'sm',
       width: 140