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transaction-pool.js
45 lines (35 loc) · 1017 Bytes
/
transaction-pool.js
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const Transaction = require('./transaction');
class TransactionPool {
constructor() {
this.transactionMap = {};
}
clear() {
this.transactionMap = {};
}
setTransaction(transaction) {
this.transactionMap[transaction.id] = transaction;
}
setMap(transactionMap) {
this.transactionMap = transactionMap;
}
existingTransaction({ inputAddress }) {
const transactions = Object.values(this.transactionMap);
return transactions.find(transaction => transaction.input.address === inputAddress);
}
validTransactions() {
return Object.values(this.transactionMap).filter(
transaction => Transaction.validTransaction(transaction)
);
}
clearBlockchainTransactions({ chain }) {
for (let i=1; i<chain.length; i++) {
const block = chain[i];
for (let transaction of block.data) {
if (this.transactionMap[transaction.id]) {
delete this.transactionMap[transaction.id];
}
}
}
}
}
module.exports = TransactionPool;