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floBlockchainAPI v2.5.3

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- Added waitForConfirmation: Wait for the given txid to get confirmation in blockchain
This commit is contained in:
sairajzero 2023-04-29 03:22:38 +05:30
parent 456e9097de
commit 7bd528d55e
1 changed files with 29 additions and 2 deletions
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31
floBlockchainAPI.js
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@ -1,4 +1,4 @@
(function (EXPORTS) { //floBlockchainAPI v2.5.2
(function (EXPORTS) { //floBlockchainAPI v2.5.3
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
'use strict';
const floBlockchainAPI = EXPORTS;
@ -787,7 +787,7 @@
})
}
floBlockchainAPI.getTx = function (txid) {
const getTx = floBlockchainAPI.getTx = function (txid) {
return new Promise((resolve, reject) => {
promisedAPI(`api/tx/${txid}`)
.then(response => resolve(response))
@ -795,6 +795,33 @@
})
}
/**Wait for the given txid to get confirmation in blockchain
* @param {string} txid of the transaction to wait for
* @param {int} max_retry: maximum number of retries before exiting wait. negative number = Infinite retries (DEFAULT: -1 ie, infinite retries)
* @param {Array} retry_timeout: time (seconds) between retries (DEFAULT: 20 seconds)
* @return {Promise} resolves when tx gets confirmation
*/
const waitForConfirmation = floBlockchainAPI.waitForConfirmation = function (txid, max_retry = -1, retry_timeout = 20) {
return new Promise((resolve, reject) => {
setTimeout(function () {
getTx(txid).then(tx => {
if (!tx)
return reject("Transaction not found");
if (tx.confirmations)
return resolve(tx);
else if (max_retry === 0) //no more retries
return reject("Waiting timeout: tx still not confirmed");
else {
max_retry = max_retry < 0 ? -1 : max_retry - 1; //decrease retry count (unless infinite retries)
waitForConfirmation(txid, max_retry, retry_timeout)
.then(result => resolve(result))
.catch(error => reject(error))
}
}).catch(error => reject(error))
}, retry_timeout * 1000)
})
}
const isUndefined = val => typeof val === 'undefined';
//Read Txs of Address between from and to