Estimate gasPrice and gasLimit in send screen.

1 files changed, 57 insertions, 0 deletions

diff --git a/ui/app/actions.js b/ui/app/actions.js
index 0a2b4a636..a43809fc0 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -129,6 +129,17 @@ var actions = {
   cancelAllTx: cancelAllTx,
   viewPendingTx: viewPendingTx,
   VIEW_PENDING_TX: 'VIEW_PENDING_TX',
+  // send screen
+  estimateGas,
+  updateGasEstimate,
+  UPDATE_GAS_ESTIMATE: 'UPDATE_GAS_ESTIMATE',
+  updateGasPrice,
+  UPDATE_GAS_PRICE: 'UPDATE_GAS_PRICE',
+  getGasPrice,
+  CLEAR_GAS_ESTIMATE: 'CLEAR_GAS_ESTIMATE',
+  CLEAR_GAS_PRICE: 'CLEAR_GAS_PRICE',
+  clearGasEstimate,
+  clearGasPrice,
   // app messages
   confirmSeedWords: confirmSeedWords,
   showAccountDetail: showAccountDetail,
@@ -449,6 +460,26 @@ function signTx (txData) {
   }
 }
 
+function estimateGas ({ to, amount }) {
+  return (dispatch) => {
+    global.ethQuery.estimateGas({ to, amount }, (err, data) => {
+      if (err) return dispatch(actions.displayWarning(err.message))
+      dispatch(actions.hideWarning())
+      dispatch(actions.updateGasEstimate(data))
+    })
+  }
+}
+
+function getGasPrice () {
+  return (dispatch) => {
+    global.ethQuery.gasPrice((err, data) => {
+      if (err) return dispatch(actions.displayWarning(err.message))
+      dispatch(actions.hideWarning())
+      dispatch(actions.updateGasPrice(data))
+    })
+  }
+}
+
 function sendTx (txData) {
   log.info(`actions - sendTx: ${JSON.stringify(txData.txParams)}`)
   return (dispatch) => {
@@ -506,6 +537,32 @@ function txError (err) {
   }
 }
 
+function updateGasEstimate (gas) {
+  return {
+    type: actions.UPDATE_GAS_ESTIMATE,
+    value: gas,
+  }
+}
+
+function clearGasEstimate () {
+  return {
+    type: actions.CLEAR_GAS_ESTIMATE,
+  }
+}
+
+function updateGasPrice (gasPrice) {
+  return {
+    type: actions.UPDATE_GAS_PRICE,
+    value: gasPrice,
+  }
+}
+
+function clearGasPrice () {
+   return {
+    type: actions.CLEAR_GAS_PRICE,
+  } 
+}
+
 function cancelMsg (msgData) {
   log.debug(`background.cancelMessage`)
   background.cancelMessage(msgData.id)