src/transaction_call_builder.js

import {CallBuilder} from "./call_builder";

export class TransactionCallBuilder extends CallBuilder {
    /**
     * Creates a new {@link TransactionCallBuilder} pointed to server defined by serverUrl.
     *
     * Do not create this object directly, use {@link Server#transactions}.
     * @see [All Transactions](https://developer.digitalbits.io/frontier/reference/transactions-all.html)
     * @constructor
     * @extends CallBuilder
     * @param {string} serverUrl Frontier server URL.
     */
    constructor(serverUrl) {
        super(serverUrl);
        this.url.segment('transactions');
    }

    /**
     * The transaction details endpoint provides information on a single transaction. The transaction hash provided in the hash argument specifies which transaction to load.
     * @see [Transaction Details](https://developer.digitalbits.io/frontier/reference/transactions-single.html)
     * @param {string} transactionId Transaction ID
     * @returns {TransactionCallBuilder}
     */
    transaction(transactionId) {
        this.filter.push(['transactions', transactionId]);
        return this;
    }

    /**
     * This endpoint represents all transactions that affected a given account.
     * @see [Transactions for Account](https://developer.digitalbits.io/frontier/reference/transactions-for-account.html)
     * @param {string} accountId For example: `GDGQVOKHW4VEJRU2TETD6DBRKEO5ERCNF353LW5WBFW3JJWQ2BRQ6KDD`
     * @returns {TransactionCallBuilder}
     */
    forAccount(accountId) {
        this.filter.push(['accounts', accountId, 'transactions']);
        return this;
    }

    /**
     * This endpoint represents all transactions in a given ledger.
     * @see [Transactions for Ledger](https://developer.digitalbits.io/frontier/reference/transactions-for-ledger.html)
     * @param {number|string} sequence Ledger sequence
     * @returns {TransactionCallBuilder}
     */
    forLedger(sequence) {
        if (typeof sequence == 'number') {
            sequence = sequence.toString();
        }
        this.filter.push(['ledgers', sequence, 'transactions']);
        return this;
    }
}