29 lines
939 B
JavaScript
29 lines
939 B
JavaScript
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class TransactionTracker {
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constructor(embark, _options) {
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this.logger = embark.logger;
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this.events = embark.events;
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this.transactions = {};
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embark.events.on("block:pending:transaction", this.onPendingTransaction.bind(this));
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embark.events.on("block:header", this.onBlockHeader.bind(this));
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}
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onPendingTransaction(pendingTransaction) {
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this.transactions[pendingTransaction] = {
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startTimestamp: Date.now() / 1000
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};
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}
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onBlockHeader(blockHeader) {
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this.events.request("blockchain:block:byNumber", blockHeader.hash, (err, block) => {
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block.transactions.forEach(transaction => {
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if (this.transactions[transaction.hash]) {
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Object.assign(this.transactions[transaction.hash], transaction, {endTimestamp: block.timestamp, wait: block.timestamp - this.transactions[transaction.hash].startTimestamp});
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}
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});
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});
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}
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}
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module.exports = TransactionTracker;
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