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floBlockchainAPI v2.4.5: getBalance improvements

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- Updated getBalance: now chain queries for addr with more than 1000 tx to get the net balance.
- (optional): can use 'after' parameter to get the balance(update) after a given txid
This commit is contained in:
sairajzero 2023-04-13 03:15:26 +05:30
parent 3643f310c2
commit 9c0730e051
1 changed files with 16 additions and 5 deletions
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21
floBlockchainAPI.js
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@ -1,4 +1,4 @@
(function (EXPORTS) { //floBlockchainAPI v2.4.4 (function (EXPORTS) { //floBlockchainAPI v2.4.5
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/ /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
'use strict'; 'use strict';
const floBlockchainAPI = EXPORTS; const floBlockchainAPI = EXPORTS;
@ -21,6 +21,7 @@
util.Sat_to_FLO = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8)); util.Sat_to_FLO = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8));
util.FLO_to_Sat = value => parseInt(value * SATOSHI_IN_BTC); util.FLO_to_Sat = value => parseInt(value * SATOSHI_IN_BTC);
util.toFixed = value => parseFloat((value).toFixed(8));
Object.defineProperties(floBlockchainAPI, { Object.defineProperties(floBlockchainAPI, {
sendAmt: { sendAmt: {
@ -120,11 +121,21 @@
} }
//Get balance for the given Address //Get balance for the given Address
const getBalance = floBlockchainAPI.getBalance = function (addr) { const getBalance = floBlockchainAPI.getBalance = function (addr, after = null) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
promisedAPI(`api/addr/${addr}/balance`) let api = `api/addr/${addr}/balance`;
.then(balance => resolve(parseFloat(balance))) if (after) {
.catch(error => reject(error)); if (typeof after === 'string' && /^[0-9a-z]{64}$/i.test(after))
api += '?after=' + after;
else return reject("Invalid 'after' parameter");
}
promisedAPI(api).then(result => {
if (typeof result === 'object' && result.lastItem) {
getBalance(addr, result.lastItem)
.then(r => resolve(util.toFixed(r + result.data)))
.catch(error => reject(error))
} else resolve(result);
}).catch(error => reject(error))
}); });
} }