Merge pull request #2157 from danjm/MM-57-use-gas-estimator

[NewUI] Estimate gasPrice and gasLimit in send screen.

1 files changed, 33 insertions, 0 deletions

diff --git a/ui/app/actions.js b/ui/app/actions.js
index 0a2b4a636..a0dbbbf11 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -129,6 +129,9 @@ var actions = {
   cancelAllTx: cancelAllTx,
   viewPendingTx: viewPendingTx,
   VIEW_PENDING_TX: 'VIEW_PENDING_TX',
+  // send screen
+  estimateGas,
+  getGasPrice,
   // app messages
   confirmSeedWords: confirmSeedWords,
   showAccountDetail: showAccountDetail,
@@ -449,6 +452,36 @@ function signTx (txData) {
   }
 }
 
+function estimateGas ({ to, amount }) {
+  return (dispatch) => {
+    return new Promise((resolve, reject) => {
+      global.ethQuery.estimateGas({ to, amount }, (err, data) => {
+        if (err) {
+          dispatch(actions.displayWarning(err.message))
+          return reject(err)
+        }
+        dispatch(actions.hideWarning())
+        return resolve(data)
+      })
+    })
+  }
+}
+
+function getGasPrice () {
+  return (dispatch) => {
+    return new Promise((resolve, reject) => {
+      global.ethQuery.gasPrice((err, data) => {
+        if (err) {
+          dispatch(actions.displayWarning(err.message))
+          return reject(err)
+        }
+        dispatch(actions.hideWarning())
+        return resolve(data)
+      })
+    })
+  }
+}
+
 function sendTx (txData) {
   log.info(`actions - sendTx: ${JSON.stringify(txData.txParams)}`)
   return (dispatch) => {