Query for gas estimates

3 files changed, 24 insertions, 5 deletions

diff --git a/ui/app/actions.js b/ui/app/actions.js
index 0b860ee63..ff3240abf 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -453,10 +453,10 @@ function signTx (txData) {
   }
 }
 
-function estimateGas () {
+function estimateGas (params = {}) {
   return (dispatch) => {
     return new Promise((resolve, reject) => {
-      global.ethQuery.estimateGas({}, (err, data) => {
+      global.ethQuery.estimateGas(params, (err, data) => {
         if (err) {
           dispatch(actions.displayWarning(err.message))
           return reject(err)
diff --git a/ui/app/components/send-token/index.js b/ui/app/components/send-token/index.js
index 6e4c909be..a95a0a6d8 100644
--- a/ui/app/components/send-token/index.js
+++ b/ui/app/components/send-token/index.js
@@ -2,6 +2,7 @@ const Component = require('react').Component
 const connect = require('react-redux').connect
 const h = require('react-hyperscript')
 const classnames = require('classnames')
+const abi = require('ethereumjs-abi')
 const inherits = require('util').inherits
 const actions = require('../../actions')
 const selectors = require('../../selectors')
@@ -57,7 +58,7 @@ function mapDispatchToProps (dispatch) {
       dispatch(actions.signTokenTx(tokenAddress, toAddress, amount, txData))
     ),
     updateTokenExchangeRate: token => dispatch(actions.updateTokenExchangeRate(token)),
-    estimateGas: () => dispatch(actions.estimateGas()),
+    estimateGas: params => dispatch(actions.estimateGas(params)),
     getGasPrice: () => dispatch(actions.getGasPrice()),
   }
 }
@@ -83,15 +84,28 @@ SendTokenScreen.prototype.componentWillMount = function () {
     selectedToken: { symbol },
     getGasPrice,
     estimateGas,
+    selectedAddress,
   } = this.props
 
   updateTokenExchangeRate(symbol)
 
+  const data = Array.prototype.map.call(
+    abi.rawEncode(['address', 'uint256'], [selectedAddress, '0x0']),
+    x => ('00' + x.toString(16)).slice(-2)
+  ).join('')
+
+  console.log(data)
   Promise.all([
     getGasPrice(),
-    estimateGas(),
+    estimateGas({
+      from: selectedAddress,
+      value: '0x0',
+      gas: '746a528800',
+      data,
+    }),
   ])
   .then(([blockGasPrice, estimatedGas]) => {
+    console.log({ blockGasPrice, estimatedGas})
     this.setState({
       gasPrice: blockGasPrice,
       gasLimit: estimatedGas,
diff --git a/ui/app/send.js b/ui/app/send.js
index d92a6f2d5..2e6409f32 100644
--- a/ui/app/send.js
+++ b/ui/app/send.js
@@ -100,12 +100,17 @@ function SendTransactionScreen () {
 
 SendTransactionScreen.prototype.componentWillMount = function () {
   const { newTx } = this.state
+  const { address } = this.props
 
   Promise.all([
     this.props.dispatch(getGasPrice()),
-    this.props.dispatch(estimateGas()),
+    this.props.dispatch(estimateGas({
+      from: address,
+      gas: '746a528800',
+    })),
   ])
   .then(([blockGasPrice, estimatedGas]) => {
+    console.log({ blockGasPrice, estimatedGas})
     this.setState({
       newTx: {
         ...newTx,