"Send all" coins option

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Current Master
 
+- [#388](https://github.com/poanetwork/nifty-wallet/pull/388) - (Feature) "Send all" option for simple coin transfers
 - [#385](https://github.com/poanetwork/nifty-wallet/pull/385) - (Feature) Display value of current pending tx's nonce on send tx screen
 - [#384](https://github.com/poanetwork/nifty-wallet/pull/384) - (Fix) placement of HW Connect button title
 - [#383](https://github.com/poanetwork/nifty-wallet/pull/383) - (Chore) Replace POA-ETH Binance link to POA-BTC

app/scripts/controllers/transactions/index.js

@@ -10,7 +10,7 @@ import abiDecoder from 'abi-decoder'
 abiDecoder.addABI(abi)
 
 import TransactionStateManager from './tx-state-manager'
-const TxGasUtil = require('./tx-gas-utils')
+import TxGasUtil from './tx-gas-utils'
 const PendingTransactionTracker = require('./pending-tx-tracker')
 import NonceTracker from 'nonce-tracker'
 import * as txUtils from './lib/util'

app/scripts/controllers/transactions/tx-gas-utils.js

@@ -1,11 +1,8 @@
-const EthQuery = require('ethjs-query')
-const {
-  hexToBn,
-  BnMultiplyByFraction,
-  bnToHex,
-} = require('../../lib/util')
-const { addHexPrefix } = require('ethereumjs-util')
-const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
+import EthQuery from 'ethjs-query'
+import { hexToBn, BnMultiplyByFraction, bnToHex } from '../../lib/util'
+import { addHexPrefix } from 'ethereumjs-util'
+import { MIN_GAS_LIMIT_HEX } from '../../../../ui/app/components/send/send.constants'
+import log from 'loglevel'
 
 /**
 tx-gas-utils are gas utility methods for Transaction manager
@@ -14,24 +11,31 @@ and used to do things like calculate gas of a tx.
 @param {Object} provider - A network provider.
 */
 
-class TxGasUtil {
+export default class TxGasUtil {
 
   constructor (provider) {
     this.query = new EthQuery(provider)
   }
 
   /**
-    @param txMeta {Object} - the txMeta object
-    @returns {object} the txMeta object with the gas written to the txParams
+    @param {Object} txMeta - the txMeta object
+    @returns {GasAnalysisResult} The result of the gas analysis
   */
   async analyzeGasUsage (txMeta) {
     const block = await this.query.getBlockByNumber('latest', false)
-    let estimatedGasHex
+
+    // fallback to block gasLimit
+    const blockGasLimitBN = hexToBn(block.gasLimit)
+    const saferGasLimitBN = BnMultiplyByFraction(blockGasLimitBN, 19, 20)
+    let estimatedGasHex = bnToHex(saferGasLimitBN)
     try {
       estimatedGasHex = await this.estimateTxGas(txMeta, block.gasLimit)
-    } catch (err) {
+    } catch (error) {
+      log.warn(error)
       txMeta.simulationFails = {
-        reason: err.message,
+        reason: error.message,
+        errorKey: error.errorKey,
+        debug: { blockNumber: block.number, blockGasLimit: block.gasLimit },
       }
       return txMeta
     }
@@ -63,9 +67,9 @@ class TxGasUtil {
     if (recipient) code = await this.query.getCode(recipient)
 
     if (hasRecipient && (!code || code === '0x' || code === '0x0')) {
-      txParams.gas = SIMPLE_GAS_COST
+      txParams.gas = MIN_GAS_LIMIT_HEX
       txMeta.simpleSend = true // Prevents buffer addition
-      return SIMPLE_GAS_COST
+      return MIN_GAS_LIMIT_HEX
     }
 
     // if not, fall back to block gasLimit
@@ -103,9 +107,9 @@ class TxGasUtil {
   /**
     Adds a gas buffer with out exceeding the block gas limit
 
-    @param initialGasLimitHex {string} - the initial gas limit to add the buffer too
-    @param blockGasLimitHex {string} - the block gas limit
-    @returns {string} the buffered gas limit as a hex string
+    @param {string} initialGasLimitHex - the initial gas limit to add the buffer too
+    @param {string} blockGasLimitHex - the block gas limit
+    @returns {string} - the buffered gas limit as a hex string
   */
   addGasBuffer (initialGasLimitHex, blockGasLimitHex) {
     const initialGasLimitBn = hexToBn(initialGasLimitHex)
@@ -114,12 +118,14 @@ class TxGasUtil {
     const bufferedGasLimitBn = initialGasLimitBn.muln(1.5)
 
     // if initialGasLimit is above blockGasLimit, dont modify it
-    if (initialGasLimitBn.gt(upperGasLimitBn)) return bnToHex(initialGasLimitBn)
+    if (initialGasLimitBn.gt(upperGasLimitBn)) {
+      return bnToHex(initialGasLimitBn)
+    }
     // if bufferedGasLimit is below blockGasLimit, use bufferedGasLimit
-    if (bufferedGasLimitBn.lt(upperGasLimitBn)) return bnToHex(bufferedGasLimitBn)
+    if (bufferedGasLimitBn.lt(upperGasLimitBn)) {
+      return bnToHex(bufferedGasLimitBn)
+    }
     // otherwise use blockGasLimit
     return bnToHex(upperGasLimitBn)
   }
 }
-
-module.exports = TxGasUtil

app/scripts/metamask-controller.js

@@ -443,7 +443,7 @@ module.exports = class MetamaskController extends EventEmitter {
       setDProvider: this.setDProvider.bind(this),
       markPasswordForgotten: this.markPasswordForgotten.bind(this),
       unMarkPasswordForgotten: this.unMarkPasswordForgotten.bind(this),
-      getGasPrice: (cb) => cb(null, this.getGasPrice()),
+      getGasPrice: nodeify(this.getGasPrice, this),
       getPendingNonce: nodeify(this.getPendingNonce, this),
 
       // shapeshift
@@ -1870,10 +1870,9 @@ module.exports = class MetamaskController extends EventEmitter {
    * @returns {string} A hex representation of the suggested wei gas price.
    */
   async getGasPrice () {
-    return new Promise(async (resolve, reject) => {
+    return new Promise(async (resolve) => {
       const { networkController } = this
 
-
       const networkIdStr = networkController.store.getState().network
       const networkId = parseInt(networkIdStr)
       const isETHC = networkId === CLASSIC_CODE || networkId === MAINNET_CODE

mascara/src/app/first-time/confirm-seed-screen.js

@@ -34,7 +34,8 @@ class ConfirmSeedScreen extends Component {
     }
   }
 
-  componentWillMount () {
+  // eslint-disable-next-line camelcase
+  UNSAFE_componentWillMount () {
     const { seedWords, history } = this.props
 
     if (!seedWords) {

mascara/src/app/first-time/create-password-screen.js

@@ -40,7 +40,8 @@ class CreatePasswordScreen extends Component {
     this.animationEventEmitter = new EventEmitter()
   }
 
-  componentWillMount () {
+  // eslint-disable-next-line camelcase
+  UNSAFE_componentWillMount () {
     const { isInitialized, history } = this.props
 
     if (isInitialized) {

mascara/src/app/first-time/seed-screen.js

@@ -58,7 +58,8 @@ class BackupPhraseScreen extends Component {
     }
   }
 
-  componentWillMount () {
+  // eslint-disable-next-line camelcase
+  UNSAFE_componentWillMount () {
     const { seedWords, history } = this.props
 
     if (!seedWords) {

mascara/src/app/shapeshift-form/index.js

@@ -26,7 +26,8 @@ export class ShapeShiftForm extends Component {
     isLoading: false,
   };
 
-  componentWillMount () {
+  // eslint-disable-next-line camelcase
+  UNSAFE_componentWillMount () {
     this.props.shapeShiftSubview()
   }
 

old-ui/app/add-suggested-token.js

@@ -159,7 +159,7 @@ AddSuggestedTokenScreen.prototype.render = function () {
   )
 }
 
-AddSuggestedTokenScreen.prototype.componentWillMount = function () {
+AddSuggestedTokenScreen.prototype.UNSAFE_componentWillMount = function () {
   if (typeof global.ethereumProvider === 'undefined') return
 }
 

old-ui/app/components/add-token/add-token.component.js

@@ -316,7 +316,8 @@ export default class AddTokenScreen extends Component {
     ])
   }
 
-  componentWillMount () {
+  // eslint-disable-next-line camelcase
+  UNSAFE_componentWillMount () {
     if (typeof global.ethereumProvider === 'undefined') return
 
     this.eth = new Eth(global.ethereumProvider)