chore: use monorepo organization

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

@@ -0,0 +1,141 @@
+const _ = require('lodash/fp')
+
+const BN = require('../../../bn')
+const E = require('../../../error')
+const { utils: coinUtils } = require('@lamassu/coins')
+
+const NAME = 'FakeWallet'
+
+const SECONDS = 1000
+const PUBLISH_TIME = 3 * SECONDS
+const AUTHORIZE_TIME = PUBLISH_TIME + 5 * SECONDS
+const CONFIRM_TIME = AUTHORIZE_TIME + 10 * SECONDS
+const SUPPORTED_COINS = coinUtils.cryptoCurrencies()
+
+let t0
+
+const checkCryptoCode = (cryptoCode) => !_.includes(cryptoCode, SUPPORTED_COINS)
+  ? Promise.reject(new Error('Unsupported crypto: ' + cryptoCode))
+  : Promise.resolve()
+
+function _balance (cryptoCode) {
+  const cryptoRec = coinUtils.getCryptoCurrency(cryptoCode)
+  const unitScale = cryptoRec.unitScale
+  return new BN(10).shiftedBy(unitScale).decimalPlaces(0)
+}
+
+function balance (account, cryptoCode, settings, operatorId) {
+  return Promise.resolve()
+    .then(() => _balance(cryptoCode))
+}
+
+function pendingBalance (account, cryptoCode) {
+  return balance(account, cryptoCode)
+    .then(b => b.times(1.1))
+}
+
+function confirmedBalance (account, cryptoCode) {
+  return balance(account, cryptoCode)
+}
+
+// Note: This makes it easier to test insufficient funds errors
+let sendCount = 100
+
+function isInsufficient (cryptoAtoms, cryptoCode) {
+  const b = _balance(cryptoCode)
+  return cryptoAtoms.gt(b.div(1000).times(sendCount))
+}
+
+function sendCoins (account, tx, settings, operatorId) {
+  const { toAddress, cryptoAtoms, cryptoCode } = tx
+  sendCount++
+  return new Promise((resolve, reject) => {
+    setTimeout(() => {
+      if (isInsufficient(cryptoAtoms, cryptoCode)) {
+        console.log('[%s] DEBUG: Mock wallet insufficient funds: %s',
+          cryptoCode, cryptoAtoms.toString())
+        return reject(new E.InsufficientFundsError())
+      }
+
+      console.log('[%s] DEBUG: Mock wallet sending %s cryptoAtoms to %s',
+        cryptoCode, cryptoAtoms.toString(), toAddress)
+      return resolve({ txid: '<txHash>', fee: new BN(0) })
+    }, 2000)
+  })
+}
+
+function sendCoinsBatch (account, txs, cryptoCode) {
+  sendCount = sendCount + txs.length
+  return new Promise((resolve, reject) => {
+    setTimeout(() => {
+      const cryptoSum = _.reduce((acc, value) => acc.plus(value.crypto_atoms), BN(0), txs)
+      if (isInsufficient(cryptoSum, cryptoCode)) {
+        console.log('[%s] DEBUG: Mock wallet insufficient funds: %s',
+          cryptoCode, cryptoSum.toString())
+        return reject(new E.InsufficientFundsError())
+      }
+
+      console.log('[%s] DEBUG: Mock wallet sending %s cryptoAtoms in a batch',
+        cryptoCode, cryptoSum.toString())
+      return resolve({ txid: '<txHash>', fee: BN(0) })
+    }, 2000)
+  })
+}
+
+function newAddress () {
+  t0 = Date.now()
+  return Promise.resolve('<Fake address, don\'t send>')
+}
+
+function newFunding (account, cryptoCode, settings, operatorId) {
+  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, tx, requested, settings, operatorId) {
+  const { toAddress, cryptoCode } = tx
+  const elapsed = Date.now() - t0
+
+  if (elapsed < PUBLISH_TIME) return Promise.resolve({ receivedCryptoAtoms: new BN(0), status: 'notSeen' })
+  if (elapsed < AUTHORIZE_TIME) return Promise.resolve({ receivedCryptoAtoms: requested, status: 'published' })
+  if (elapsed < CONFIRM_TIME) return Promise.resolve({ receivedCryptoAtoms: requested, status: 'authorized' })
+
+  console.log('[%s] DEBUG: Mock wallet has confirmed transaction [%s]', cryptoCode, toAddress.slice(0, 5))
+
+  return Promise.resolve({ status: 'confirmed' })
+}
+
+function getTxHashesByAddress (cryptoCode, address) {
+  return new Promise((resolve, reject) => {
+    setTimeout(() => {
+      return resolve([]) // TODO: should return something other than empty list?
+    }, 100)
+  })
+}
+
+function checkBlockchainStatus (cryptoCode) {
+  return checkCryptoCode(cryptoCode)
+    .then(() => Promise.resolve('ready'))
+}
+
+module.exports = {
+  NAME,
+  balance,
+  sendCoinsBatch,
+  sendCoins,
+  newAddress,
+  getStatus,
+  newFunding,
+  checkBlockchainStatus,
+  getTxHashesByAddress
+}