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floBlockchainAPI v2.5.4

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- Adding support for 'before' and 'latest' option in readTxs and its derivatives
This commit is contained in:
sairajzero 2023-04-29 03:28:33 +05:30
parent 7bd528d55e
commit fe33250b47
1 changed files with 20 additions and 10 deletions
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30
floBlockchainAPI.js
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@ -1,4 +1,4 @@
(function (EXPORTS) { //floBlockchainAPI v2.5.3
(function (EXPORTS) { //floBlockchainAPI v2.5.4
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
'use strict';
const floBlockchainAPI = EXPORTS;
@ -830,14 +830,19 @@
let api = `api/addrs/${addr}/txs`;
//API options
let api_options = [];
if (!isUndefined(options.after))
api_options.push(`after=${options.after}`);
else {
if (!isUndefined(options.after) || !isUndefined(options.before)) {
if (!isUndefined(options.after))
api_options.push(`after=${options.after}`);
if (!isUndefined(options.before))
api_options.push(`before=${options.before}`);
} else {
if (!isUndefined(options.from))
api_options.push(`from=${options.from}`);
if (!isUndefined(options.to))
api_options.push(`to=${options.to}`);
}
if (!isUndefined(options.latest))
api_options.push('latest');
if (!isUndefined(options.mempool))
api_options.push(`mempool=${options.mempool}`)
if (api_options.length)
@ -854,7 +859,10 @@
readTxs(addr, options).then(response => {
if (response.incomplete) {
let next_options = Object.assign({}, options);
next_options.after = response.lastItem;
if (options.latest)
next_options.before = response.initItem; //update before for chain query (latest 1st)
else
next_options.after = response.lastItem; //update after for chain query (oldest 1st)
readAllTxs(addr, next_options).then(r => {
r.items = r.items.concat(response.items); //latest tx are 1st in array
resolve(r);
@ -871,6 +879,7 @@
/*Read flo Data from txs of given Address
options can be used to filter data
after : query after the given txid
before : query before the given txid
mempool : query mempool tx or not (options same as readAllTx, DEFAULT=false: ignore unconfirmed tx)
ignoreOld : ignore old txs (deprecated: support for backward compatibility only, cannot be used with 'after')
sentOnly : filters only sent data
@ -887,15 +896,16 @@
//fetch options
let fetch_options = {};
fetch_options.mempool = isUndefined(options.mempool) ? 'false' : options.mempool; //DEFAULT: ignore unconfirmed tx
if (!isUndefined(options.after)) {
if (!isUndefined(options.after) || !isUndefined(options.before)) {
if (!isUndefined(options.ignoreOld)) //Backward support
return reject("Invalid options: cannot use after and ignoreOld in same query");
else
fetch_options.after = options.after;
return reject("Invalid options: cannot use after/before and ignoreOld in same query");
//use passed after and/or before options (options remain undefined if not passed)
fetch_options.after = options.after;
fetch_options.before = options.before;
}
readAllTxs(addr, fetch_options).then(response => {
if (Number.isInteger(options.ignoreOld)) //backward support, cannot be used with options.after
if (Number.isInteger(options.ignoreOld)) //backward support, cannot be used with options.after or options.before
response.items.splice(-options.ignoreOld); //negative to count from end of the array
if (typeof options.senders === "string") options.senders = [options.senders];