4 files changed, 33 insertions, 0 deletions
diff --git a/app/scripts/lib/config-manager.js b/app/scripts/lib/config-manager.js
index ecc9bc5f7..cced32670 100644
--- a/app/scripts/lib/config-manager.js
+++ b/app/scripts/lib/config-manager.js
@@ -384,3 +384,15 @@ ConfigManager.prototype.createShapeShiftTx = function (depositAddress, depositTy
   }
   this.setData(data)
 }
+
+ConfigManager.prototype.getGasMultiplier = function () {
+  var data = this.getData()
+  return ('gasMultiplier' in data) && data.gasMultiplier
+}
+
+ConfigManager.prototype.setGasMultiplier = function (gasMultiplier) {
+  var data = this.getData()
+
+  data.gasMultiplier = gasMultiplier
+  this.setData(data)
+}
diff --git a/app/scripts/lib/id-management.js b/app/scripts/lib/id-management.js
index 2d42e1e30..421f2105f 100644
--- a/app/scripts/lib/id-management.js
+++ b/app/scripts/lib/id-management.js
@@ -7,6 +7,7 @@
  */
 
 const ethUtil = require('ethereumjs-util')
+const BN = ethUtil.BN
 const Transaction = require('ethereumjs-tx')
 
 module.exports = IdManagement
@@ -24,7 +25,13 @@ function IdManagement (opts) {
   }
 
   this.signTx = function (txParams) {
+    //  calculate gas with custom gas multiplier
+    var gasMultiplier = this.configManager.getGasMultiplier() || 1
+    var gasPrice = new BN(ethUtil.stripHexPrefix(txParams.gasPrice), 16)
+    gasPrice = gasPrice.mul(new BN(gasMultiplier * 100, 10)).div(new BN(100, 10))
+    txParams.gasPrice = ethUtil.intToHex(gasPrice.toNumber())
     // normalize values
+
     txParams.to = ethUtil.addHexPrefix(txParams.to)
     txParams.from = ethUtil.addHexPrefix(txParams.from.toLowerCase())
     txParams.value = ethUtil.addHexPrefix(txParams.value)
diff --git a/app/scripts/lib/idStore.js b/app/scripts/lib/idStore.js
index 6837a1e8d..aa77c3360 100644
--- a/app/scripts/lib/idStore.js
+++ b/app/scripts/lib/idStore.js
@@ -112,6 +112,8 @@ IdentityStore.prototype.getState = function () {
     currentFiat: configManager.getCurrentFiat(),
     conversionRate: configManager.getConversionRate(),
     conversionDate: configManager.getConversionDate(),
+    gasMultiplier: configManager.getGasMultiplier(),
+
   }))
 }
 
@@ -211,6 +213,7 @@ IdentityStore.prototype.exportAccount = function (address, cb) {
 // comes from dapp via zero-client hooked-wallet provider
 IdentityStore.prototype.addUnconfirmedTransaction = function (txParams, onTxDoneCb, cb) {
   const configManager = this.configManager
+
   var self = this
   // create txData obj with parameters and meta data
   var time = (new Date()).getTime()
@@ -222,6 +225,7 @@ IdentityStore.prototype.addUnconfirmedTransaction = function (txParams, onTxDone
     txParams: txParams,
     time: time,
     status: 'unconfirmed',
+    gasMultiplier: configManager.getGasMultiplier() || 1,
   }
 
   console.log('addUnconfirmedTransaction:', txData)
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 65c5ba58b..8b593d820 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -55,6 +55,7 @@ module.exports = class MetamaskController {
       agreeToEthWarning: this.agreeToEthWarning.bind(this),
       setTOSHash: this.setTOSHash.bind(this),
       checkTOSChange: this.checkTOSChange.bind(this),
+      setGasMultiplier: this.setGasMultiplier.bind(this),
 
       // forward directly to idStore
       createNewVault: idStore.createNewVault.bind(idStore),
@@ -377,4 +378,13 @@ module.exports = class MetamaskController {
   createShapeShiftTx (depositAddress, depositType) {
     this.configManager.createShapeShiftTx(depositAddress, depositType)
   }
+
+  setGasMultiplier (gasMultiplier, cb) {
+    try {
+      this.configManager.setGasMultiplier(gasMultiplier)
+      cb()
+    } catch (e) {
+      cb(e)
+    }
+  }
 }