90 lines
1.9 KiB
JavaScript
90 lines
1.9 KiB
JavaScript
const Transactions = require('../../models/transaction.js');
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const logger = require('../logger');
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const config = require('../../config');
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// For now, blocks handles these calls.
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// These will be replaced with more advanced mongo
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// No optimization yet.
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const MAX_TXS = config.api.max_txs;
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const MAX_PAGE_TXS = config.api.max_page_txs;
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// For Paging
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function getTransactions(params, options, limit, cb) {
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// Do not return mongo ids
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const defaultOptions = { _id: 0 };
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// Copy over mongo options
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Object.assign(defaultOptions, options);
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// Simple sanitizing
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if (!Number.isInteger(limit)) {
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limit = 1;
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}
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if (limit > MAX_PAGE_TXS) {
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limit = MAX_PAGE_TXS;
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}
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if (limit < 1) {
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limit = 1;
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}
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// Query mongo
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Transactions.find(
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params,
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defaultOptions,
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(err, txs) => {
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if (err) {
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logger.log('error',
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`getTransactions: ${err}`);
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return cb(err);
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}
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if (!txs.length > 0) {
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return cb({ err: 'Tx not found' });
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}
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return cb(null, txs);
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})
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.sort({ height: -1 })
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.limit(limit);
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}
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function getTransaction(params, options, limit, cb) {
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getTransactions(params, options, limit, (err, tx) => {
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if (err) {
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logger.log('error',
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`getTransaction: ${err.err}`);
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return cb(err);
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}
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if (!tx.length > 0) {
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return cb({ err: 'Tx not found' });
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}
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return cb(null, tx[0]);
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});
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}
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// Req Change, refactor above
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function getTopTransactions(cb) {
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// Do not return mongo ids
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const defaultOptions = { _id: 0 };
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// Query mongo
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Transactions.find(
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{},
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(err, txs) => {
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if (err) {
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logger.log('error',
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`getTransactions: ${err}`);
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return cb(err);
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}
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if (!txs.length > 0) {
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return cb({ err: 'Tx not found' });
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}
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return cb(null, txs);
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})
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.sort({ height: -1 })
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.limit(MAX_TXS);
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}
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module.exports = {
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getTransaction,
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getTransactions,
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getTopTransactions,
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};
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