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transactions controller - add comments

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kumavis 2017-06-15 14:08:07 -07:00 committed by GitHub
parent a10740af7e
commit 27b874f2c4
1 changed files with 5 additions and 0 deletions
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5
app/scripts/controllers/transactions.js
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@ -26,6 +26,7 @@ module.exports = class TransactionController extends EventEmitter {
this.txProviderUtils = new TxProviderUtil(this.query)
this.blockTracker.on('block', this.checkForTxInBlock.bind(this))
this.blockTracker.on('block', this.resubmitPendingTxs.bind(this))
// provider-engine only exploses the 'block' event, not 'latest' for 'sync'
this.provider._blockTracker.on('sync', this.queryPendingTxs.bind(this))
this.signEthTx = opts.signTransaction
this.nonceLock = Semaphore(1)
@ -371,10 +372,12 @@ module.exports = class TransactionController extends EventEmitter {
}
queryPendingTxs ({oldBlock, newBlock}) {
// check pending transactions on start
if (!oldBlock) {
this._checkPendingTxs()
return
}
// if we synced by more than one block, check for missed pending transactions
const diff = Number.parseInt(newBlock.number) - Number.parseInt(oldBlock.number)
if (diff > 1) this._checkPendingTxs()
}
@ -453,6 +456,8 @@ module.exports = class TransactionController extends EventEmitter {
this.txProviderUtils.publishTransaction(rawTx, cb)
}
// checks the network for signed txs and
// if confirmed sets the tx status as 'confirmed'
_checkPendingTxs () {
var signedTxList = this.getFilteredTxList({status: 'submitted'})
if (!signedTxList.length) return