handle cash-in errors

lib/cash-in-tx.js

@@ -174,6 +174,11 @@ function postProcess (txVector, pi) {
       sendConfirmed: true,
       sendTime: 'now()^'
     }))
+    .catch(err => ({
+      sendTime: 'now()^',
+      error: err.message,
+      errorCode: err.name
+    }))
   }
 
   return Promise.resolve({})

lib/error.js

@@ -1,11 +1,14 @@
-const E = function generateError (name) {
+const _ = require('lodash/fp')
+
+const E = function (name) {
   var CustomErr = function (msg) {
-    this.message = msg
+    this.message = msg || _.startCase(name)
     this.name = name
     Error.captureStackTrace(this, CustomErr)
   }
   CustomErr.prototype = Object.create(Error.prototype)
   CustomErr.prototype.constructor = CustomErr
+  CustomErr.code = name
 
   return CustomErr
 }
@@ -18,3 +21,4 @@ function register (errorName) {
 
 register('BadNumberError')
 register('NoDataError')
+register('InsufficientFundsError')

lib/plugins/wallet/bitcoind/bitcoind.js

@@ -5,6 +5,7 @@ const fs = require('fs')
 const pify = require('pify')
 
 const BN = require('../../../bn')
+const E = require('../../../error')
 
 const NAME = 'Bitcoind'
 
@@ -28,12 +29,6 @@ function initRpc () {
   return new RpcClient(rpcConfig)
 }
 
-function richError (msg, name) {
-  const err = new Error(msg)
-  err.name = name
-  return err
-}
-
 /*
  * initialize RpcClient
  */
@@ -68,7 +63,7 @@ function balance (account, cryptoCode) {
       if (err) return reject(err)
 
       if (result.error) {
-        return reject(richError(result.error, 'bitcoindError'))
+        return reject(err)
       }
 
       resolve(BN(result.result).shift(SATOSHI_SHIFT).round())
@@ -85,15 +80,8 @@ function sendCoins (account, address, cryptoAtoms, cryptoCode) {
     checkCryptoCode(cryptoCode)
     rpc.sendFrom(pluginConfig.account, address, bitcoins, confirmations, (err, result) => {
       if (err) {
-        if (err.code === -6) {
-          return reject(richError('Insufficient funds', 'InsufficientFunds'))
-        }
-
-        if (err instanceof Error) {
-          return reject(err)
-        }
-
-        return reject(richError(err.message, 'bitcoindError'))
+        if (err.code === -6) return reject(new E.InsufficientFundsError())
+        return reject(err)
       }
 
       resolve(result.result)

lib/plugins/wallet/bitgo/bitgo.js

@@ -1,6 +1,8 @@
 const BitGo = require('bitgo')
 const BN = require('../../../bn')
 
+const E = require('../../../error')
+
 const pjson = require('../../../../package.json')
 const userAgent = 'Lamassu-Server/' + pjson.version
 
@@ -38,9 +40,7 @@ function sendCoins (account, address, cryptoAtoms, cryptoCode) {
     return result.hash
   })
   .catch(err => {
-    if (err.message === 'Insufficient funds') {
-      err.name = 'InsufficientFunds'
-    }
+    if (err.message === 'Insufficient funds') throw new E.InsufficientFundsError()
     throw err
   })
 }

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

@@ -1,4 +1,5 @@
 const BN = require('../../../bn')
+const E = require('../../../error')
 
 const NAME = 'FakeWallet'
 
@@ -18,12 +19,18 @@ function balance (account, cryptoCode) {
   })
 }
 
+function isInsufficient (cryptoCode) {
+  if (cryptoCode === 'BTC') return BN(1e5 * 10)
+  if (cryptoCode === 'ETH') return BN(1e18 * 0.25)
+  throw new Error('Unsupported crypto: ' + cryptoCode)
+}
 function sendCoins (account, toAddress, cryptoAtoms, cryptoCode) {
-  return new Promise(resolve => {
+  return new Promise((resolve, reject) => {
     setTimeout(() => {
       console.log('[%s] DEBUG: Mock wallet sending %s cryptoAtoms to %s',
         cryptoCode, cryptoAtoms.toString(), toAddress)
-      resolve('<txHash>')
+      if (isInsufficient(cryptoCode)) return reject(new E.InsufficientFundsError())
+      return resolve('<txHash>')
     }, 2000)
   })
 }

lib/routes.js

@@ -15,6 +15,7 @@ const plugins = require('./plugins')
 const helpers = require('./route-helpers')
 const poller = require('./poller')
 const Tx = require('./tx')
+const E = require('./error')
 
 const argv = require('minimist')(process.argv.slice(2))
 
@@ -102,7 +103,17 @@ function postTx (req, res, next) {
   const pi = plugins(req.settings, req.deviceId)
 
   return Tx.post(_.set('deviceId', req.deviceId, req.body), pi)
-  .then(tx => res.json(tx))
+  .then(tx => {
+    if (tx.errorCode) {
+      console.log('DEBUG100: %s, %s', tx.errorCode, E.InsufficientFundsError.name)
+      if (tx.errorCode === E.InsufficientFundsError.code) {
+        throw httpError(tx.error, 570)
+      }
+      throw httpError(tx.error, 500)
+    }
+
+    return res.json(tx)
+  })
   .catch(next)
 }
 

migrations/026-add_send_confirmed.js

@@ -6,6 +6,7 @@ exports.up = function (next) {
     'alter table cash_in_txs add column device_time bigint not null',
     'alter table cash_in_txs add column timedout boolean not null default false',
     'alter table cash_in_txs add column send_time timestamptz',
+    'alter table cash_in_txs add column error_code text',
     'alter table cash_out_txs add column device_time bigint not null',
     'alter table cash_out_txs add column timedout boolean not null default false'
   ]