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mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-12-23 09:52:26 +01:00

Merge pull request #1535 from MetaMask/gasupdater

Update GasBlockLimits on every new block
This commit is contained in:
Dan Finlay 2017-06-12 10:30:25 -07:00 committed by GitHub
commit 2e6e6e4125
5 changed files with 16 additions and 12 deletions

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@ -2,6 +2,8 @@
## Current Master
- Update gasLimit params with every new block seen.
## 3.7.7 2017-6-8
- Fix bug where metamask would show old data after computer being asleep or disconnected from the internet.

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@ -21,6 +21,7 @@ class EthereumStore extends ObservableStore {
transactions: {},
currentBlockNumber: '0',
currentBlockHash: '',
currentBlockGasLimit: '',
})
this._provider = opts.provider
this._query = new EthQuery(this._provider)
@ -73,6 +74,7 @@ class EthereumStore extends ObservableStore {
this._currentBlockNumber = blockNumber
this.updateState({ currentBlockNumber: parseInt(blockNumber) })
this.updateState({ currentBlockHash: `0x${block.hash.toString('hex')}`})
this.updateState({ currentBlockGasLimit: `0x${block.gasLimit.toString('hex')}` })
async.parallel([
this._updateAccounts.bind(this),
this._updateTransactions.bind(this, blockNumber),

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@ -21,21 +21,12 @@ module.exports = class txProviderUtils {
this.query.getBlockByNumber('latest', true, (err, block) => {
if (err) return cb(err)
async.waterfall([
self.setBlockGasLimit.bind(self, txMeta, block.gasLimit),
self.estimateTxGas.bind(self, txMeta, block.gasLimit),
self.setTxGas.bind(self, txMeta, block.gasLimit),
], cb)
})
}
setBlockGasLimit (txMeta, blockGasLimitHex, cb) {
const blockGasLimitBN = hexToBn(blockGasLimitHex)
const saferGasLimitBN = BnMultiplyByFraction(blockGasLimitBN, 19, 20)
txMeta.blockGasLimit = bnToHex(saferGasLimitBN)
cb()
return
}
estimateTxGas (txMeta, blockGasLimitHex, cb) {
const txParams = txMeta.txParams
// check if gasLimit is already specified

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@ -32,7 +32,7 @@ function PendingTx () {
PendingTx.prototype.render = function () {
const props = this.props
const { currentCurrency } = props
const { currentCurrency, blockGasLimit } = props
const conversionRate = props.conversionRate
const txMeta = this.gatherTxMeta()
@ -50,7 +50,8 @@ PendingTx.prototype.render = function () {
// Gas
const gas = txParams.gas
const gasBn = hexToBn(gas)
const safeGasLimit = parseInt(txMeta.blockGasLimit)
const gasLimit = new BN(parseInt(blockGasLimit))
const safeGasLimit = this.bnMultiplyByFraction(gasLimit, 19, 20).toString(10)
// Gas Price
const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_BN.toString(16)
@ -458,6 +459,12 @@ PendingTx.prototype._notZeroOrEmptyString = function (obj) {
return obj !== '' && obj !== '0x0'
}
PendingTx.prototype.bnMultiplyByFraction = function (targetBN, numerator, denominator) {
const numBN = new BN(numerator)
const denomBN = new BN(denominator)
return targetBN.mul(numBN).div(denomBN)
}
function forwardCarrat () {
return (
h('img', {

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@ -29,6 +29,7 @@ function mapStateToProps (state) {
provider: state.metamask.provider,
conversionRate: state.metamask.conversionRate,
currentCurrency: state.metamask.currentCurrency,
blockGasLimit: state.metamask.currentBlockGasLimit,
}
}
@ -40,7 +41,7 @@ function ConfirmTxScreen () {
ConfirmTxScreen.prototype.render = function () {
const props = this.props
const { network, provider, unapprovedTxs, currentCurrency,
unapprovedMsgs, unapprovedPersonalMsgs, conversionRate } = props
unapprovedMsgs, unapprovedPersonalMsgs, conversionRate, blockGasLimit } = props
var unconfTxList = txHelper(unapprovedTxs, unapprovedMsgs, unapprovedPersonalMsgs, network)
@ -107,6 +108,7 @@ ConfirmTxScreen.prototype.render = function () {
identities: props.identities,
conversionRate,
currentCurrency,
blockGasLimit,
// Actions
buyEth: this.buyEth.bind(this, txParams.from || props.selectedAddress),
sendTransaction: this.sendTransaction.bind(this),