Merge remote-tracking branch 'mm/master' into NewUI-flat

2 files changed, 15 insertions, 4 deletions

diff --git a/app/scripts/lib/auto-reload.js b/app/scripts/lib/auto-reload.js
index 534047330..6abce73ea 100644
--- a/app/scripts/lib/auto-reload.js
+++ b/app/scripts/lib/auto-reload.js
@@ -5,7 +5,10 @@ function setupDappAutoReload (web3, observable) {
   global.web3 = new Proxy(web3, {
     get: (_web3, name) => {
       // get the time of use
-      if (name !== '_used') _web3._used = Date.now()
+      if (name !== '_used') {
+        console.warn('MetaMask: web3 will be deprecated in the near future in favor of the ethereumProvider \nhttps://github.com/ethereum/mist/releases/tag/v0.9.0')
+        _web3._used = Date.now()
+      }
       return _web3[name]
     },
     set: (_web3, name, value) => {
diff --git a/app/scripts/lib/tx-utils.js b/app/scripts/lib/tx-utils.js
index b64ea6712..5af078dc4 100644
--- a/app/scripts/lib/tx-utils.js
+++ b/app/scripts/lib/tx-utils.js
@@ -20,7 +20,15 @@ module.exports = class txProvideUtil {
 
   async analyzeGasUsage (txMeta) {
     const block = await this.query.getBlockByNumber('latest', true)
-    const estimatedGasHex = await this.estimateTxGas(txMeta, block.gasLimit)
+    let estimatedGasHex
+    try {
+      estimatedGasHex = await this.estimateTxGas(txMeta, block.gasLimit)
+    } catch (err) {
+      if (err.message.includes('Transaction execution error.')) {
+        txMeta.simulationFails = true
+        return txMeta
+      }
+    }
     this.setTxGas(txMeta, block.gasLimit, estimatedGasHex)
     return txMeta
   }
@@ -35,8 +43,8 @@ module.exports = class txProvideUtil {
       const saferGasLimitBN = BnMultiplyByFraction(blockGasLimitBN, 19, 20)
       txParams.gas = bnToHex(saferGasLimitBN)
     }
-    // run tx, see if it will OOG
-    return this.query.estimateGas(txParams)
+    // run tx
+    return await this.query.estimateGas(txParams)
   }
 
   setTxGas (txMeta, blockGasLimitHex, estimatedGasHex) {