diff options
| -rw-r--r-- | app/scripts/lib/pending-tx-tracker.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/app/scripts/lib/pending-tx-tracker.js b/app/scripts/lib/pending-tx-tracker.js index 8a626e222..2d8f22ae8 100644 --- a/app/scripts/lib/pending-tx-tracker.js +++ b/app/scripts/lib/pending-tx-tracker.js @@ -25,6 +25,7 @@ module.exports = class PendingTransactionTracker extends EventEmitter { // default is one day this.retryTimePeriod = config.retryTimePeriod || 86400000 this.getPendingTransactions = config.getPendingTransactions + this.getCompletedTransactions = config.getCompletedTransactions this.publishTransaction = config.publishTransaction } @@ -120,6 +121,7 @@ module.exports = class PendingTransactionTracker extends EventEmitter { async _checkPendingTx (txMeta) { const txHash = txMeta.hash const txId = txMeta.id + // extra check in case there was an uncaught error during the // signature and submission process if (!txHash) { @@ -128,6 +130,15 @@ module.exports = class PendingTransactionTracker extends EventEmitter { this.emit('tx:failed', txId, noTxHashErr) return } + + // If another tx with the same nonce is mined, set as failed. + const taken = await this._checkIfNonceIsTaken(txMeta) + if (taken) { + const nonceTakenErr = new Error('Another transaction with this nonce has been mined.') + nonceTakenErr.name = 'NonceTakenErr' + return this.emit('tx:failed', txId, nonceTakenErr) + } + // get latest transaction status let txParams try { @@ -159,4 +170,13 @@ module.exports = class PendingTransactionTracker extends EventEmitter { } nonceGlobalLock.releaseLock() } + + async _checkIfNonceIsTaken (txMeta) { + const completed = this.getCompletedTransactions() + const sameNonce = completed.filter((otherMeta) => { + return otherMeta.txParams.nonce === txMeta.txParams.nonce + }) + return sameNonce.length > 0 + } + } |