Merge pull request #2476 from MetaMask/100MweiMinGasPrice

Reduce minimum gas price to 100 MWEI

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Current Master
 
 - Add support for alternative ENS TLDs (Ethereum Name Service Top-Level Domains).
+- Lower minimum gas price to 0.1 GWEI.
 
 ## 3.11.2 2017-10-21
 

ui/app/components/bn-as-decimal-input.js

@@ -31,6 +31,8 @@ BnAsDecimalInput.prototype.render = function () {
   const suffix = props.suffix
   const style = props.style
   const valueString = value.toString(10)
+  const newMin = min && this.downsize(min.toString(10), scale)
+  const newMax = max && this.downsize(max.toString(10), scale)
   const newValue = this.downsize(valueString, scale)
 
   return (
@@ -47,8 +49,8 @@ BnAsDecimalInput.prototype.render = function () {
           type: 'number',
           step: 'any',
           required: true,
-          min,
+          min: newMin,
-          max,
+          max: newMax,
           style: extend({
             display: 'block',
             textAlign: 'right',
@@ -128,15 +130,17 @@ BnAsDecimalInput.prototype.updateValidity = function (event) {
 }
 
 BnAsDecimalInput.prototype.constructWarning = function () {
-  const { name, min, max } = this.props
+  const { name, min, max, scale, suffix } = this.props
+  const newMin = min && this.downsize(min.toString(10), scale)
+  const newMax = max && this.downsize(max.toString(10), scale)
   let message = name ? name + ' ' : ''
 
   if (min && max) {
-    message += `must be greater than or equal to  ${min} and less than or equal to ${max}.`
+    message += `must be greater than or equal to  ${newMin} ${suffix} and less than or equal to ${newMax} ${suffix}.`
   } else if (min) {
-    message += `must be greater than or equal to ${min}.`
+    message += `must be greater than or equal to ${newMin} ${suffix}.`
   } else if (max) {
-    message += `must be less than or equal to ${max}.`
+    message += `must be less than or equal to ${newMax} ${suffix}.`
   } else {
     message += 'Invalid input.'
   }

ui/app/components/pending-tx.js

@@ -15,10 +15,9 @@ const addressSummary = util.addressSummary
 const nameForAddress = require('../../lib/contract-namer')
 const BNInput = require('./bn-as-decimal-input')
 
-const MIN_GAS_PRICE_GWEI_BN = new BN(1)
+// corresponds with 0.1 GWEI
-const GWEI_FACTOR = new BN(1e9)
+const MIN_GAS_PRICE_BN = new BN('100000000')
-const MIN_GAS_PRICE_BN = MIN_GAS_PRICE_GWEI_BN.mul(GWEI_FACTOR)
+const MIN_GAS_LIMIT_BN = new BN('21000')
-const MIN_GAS_LIMIT_BN = new BN(21000)
 
 module.exports = PendingTx
 inherits(PendingTx, Component)
@@ -175,7 +174,7 @@ PendingTx.prototype.render = function () {
                   precision: 0,
                   scale: 0,
                   // The hard lower limit for gas.
-                  min: MIN_GAS_LIMIT_BN.toString(10),
+                  min: MIN_GAS_LIMIT_BN,
                   max: safeGasLimit,
                   suffix: 'UNITS',
                   style: {
@@ -200,7 +199,7 @@ PendingTx.prototype.render = function () {
                   precision: 9,
                   scale: 9,
                   suffix: 'GWEI',
-                  min: MIN_GAS_PRICE_GWEI_BN.toString(10),
+                  min: MIN_GAS_PRICE_BN,
                   style: {
                     position: 'relative',
                     top: '5px',