Change state to props, add modifiable fields.

ui/app/components/pending-tx.js

@@ -2,6 +2,8 @@ const Component = require('react').Component
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const PendingTxDetails = require('./pending-tx-details')
+const BN = require('ethereumjs-util').BN
+const ethUtil = require('ethereumjs-util')
 
 module.exports = PendingTx
 
@@ -11,8 +13,12 @@ function PendingTx () {
 }
 
 PendingTx.prototype.render = function () {
-  var state = this.props
-  var txData = state.txData
+  var props = this.props
+  var state = this.state || {}
+  var txData = props.txData
+  var txParams = txData.txParams
+  var gasValue = state.gas || txParams.gas
+  var decimalGas = decimalize(gasValue)
 
   return (
 
@@ -21,7 +27,7 @@ PendingTx.prototype.render = function () {
     }, [
 
       // tx info
-      h(PendingTxDetails, state),
+      h(PendingTxDetails, props),
 
       h('style', `
         .conf-buttons button {
@@ -39,7 +45,7 @@ PendingTx.prototype.render = function () {
         }, 'Transaction Error. Exception thrown in contract code.')
       : null,
 
-      state.insufficientBalance ?
+      props.insufficientBalance ?
         h('span.error', {
           style: {
             marginLeft: 50,
@@ -57,21 +63,39 @@ PendingTx.prototype.render = function () {
         },
       }, [
 
-        state.insufficientBalance ?
+        props.insufficientBalance ?
           h('button.btn-green', {
-            onClick: state.buyEth,
+            onClick: props.buyEth,
           }, 'Buy Ether')
         : null,
 
         h('button.confirm', {
-          disabled: state.insufficientBalance,
-          onClick: state.sendTransaction,
+          disabled: props.insufficientBalance,
+          onClick: props.sendTransaction,
         }, 'Accept'),
 
         h('button.cancel.btn-red', {
-          onClick: state.cancelTransaction,
+          onClick: props.cancelTransaction,
         }, 'Reject'),
       ]),
+      h('input', {
+          value: decimalGas,
+          onChange: (event) => {
+            const hexString = hexify(event.target.value)
+            this.setState({ gas: hexString })
+          }
+      }),
     ])
   )
 }
+
+function decimalize (input) {
+  const strippedInput = ethUtil.stripHexPrefix(input)
+  const inputBN = new BN(strippedInput, 'hex')
+  return inputBN.toString(10)
+}
+
+function hexify (decimalString) {
+  const hexBN = new BN(decimalString, 10)
+  return '0x' + hexBN.toString('hex')
+}

ui/app/conf-tx.js

@@ -35,15 +35,16 @@ function ConfirmTxScreen () {
 }
 
 ConfirmTxScreen.prototype.render = function () {
-  var state = this.props
+  var props = this.props
+  var state = this.state || {}
 
-  var network = state.network
-  var provider = state.provider
-  var unapprovedTxs = state.unapprovedTxs
-  var unapprovedMsgs = state.unapprovedMsgs
+  var network = props.network
+  var provider = props.provider
+  var unapprovedTxs = props.unapprovedTxs
+  var unapprovedMsgs = props.unapprovedMsgs
 
   var unconfTxList = txHelper(unapprovedTxs, unapprovedMsgs, network)
-  var index = state.index !== undefined && unconfTxList[index] ? state.index : 0
+  var index = props.index !== undefined && unconfTxList[index] ? props.index : 0
   var txData = unconfTxList[index] || {}
   var txParams = txData.params || {}
   var isNotification = isPopupOrNotification() === 'notification'
@@ -73,20 +74,20 @@ ConfirmTxScreen.prototype.render = function () {
       }, [
         h('i.fa.fa-arrow-left.fa-lg.cursor-pointer', {
           style: {
-            display: state.index === 0 ? 'none' : 'inline-block',
+            display: props.index === 0 ? 'none' : 'inline-block',
           },
-          onClick: () => state.dispatch(actions.previousTx()),
+          onClick: () => props.dispatch(actions.previousTx()),
         }),
-        ` ${state.index + 1} of ${unconfTxList.length} `,
+        ` ${props.index + 1} of ${unconfTxList.length} `,
         h('i.fa.fa-arrow-right.fa-lg.cursor-pointer', {
           style: {
-            display: state.index + 1 === unconfTxList.length ? 'none' : 'inline-block',
+            display: props.index + 1 === unconfTxList.length ? 'none' : 'inline-block',
           },
-          onClick: () => state.dispatch(actions.nextTx()),
+          onClick: () => props.dispatch(actions.nextTx()),
         }),
       ]),
 
-      warningIfExists(state.warning),
+      warningIfExists(props.warning),
 
       h(ReactCSSTransitionGroup, {
         className: 'css-transition-group',
@@ -99,12 +100,12 @@ ConfirmTxScreen.prototype.render = function () {
           // Properties
           txData: txData,
           key: txData.id,
-          selectedAddress: state.selectedAddress,
-          accounts: state.accounts,
-          identities: state.identities,
+          selectedAddress: props.selectedAddress,
+          accounts: props.accounts,
+          identities: props.identities,
           insufficientBalance: this.checkBalanceAgainstTx(txData),
           // Actions
-          buyEth: this.buyEth.bind(this, txParams.from || state.selectedAddress),
+          buyEth: this.buyEth.bind(this, txParams.from || props.selectedAddress),
           sendTransaction: this.sendTransaction.bind(this, txData),
           cancelTransaction: this.cancelTransaction.bind(this, txData),
           signMessage: this.signMessage.bind(this, txData),
@@ -128,11 +129,12 @@ function currentTxView (opts) {
     return h(PendingMsg, opts)
   }
 }
+
 ConfirmTxScreen.prototype.checkBalanceAgainstTx = function (txData) {
   if (!txData.txParams) return false
-  var state = this.props
-  var address = txData.txParams.from || state.selectedAddress
-  var account = state.accounts[address]
+  var props = this.props
+  var address = txData.txParams.from || props.selectedAddress
+  var account = props.accounts[address]
   var balance = account ? account.balance : '0x0'
   var maxCost = new BN(txData.maxCost, 16)