forked from gari-network/gari-sdk
-
Notifications
You must be signed in to change notification settings - Fork 0
/
gariHelper.js
36 lines (28 loc) · 1.1 KB
/
gariHelper.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
const web3 = require('@solana/web3.js')
/**
*
* @param {string} encodedTransction - base64 string of transaction instruction
* @returns
*/
function getDecodedTransction(encodedTransction) {
let encodedTransctionInBuffer = Buffer.from(encodedTransction, 'base64'); // get encoded buffer
return web3.Transaction.from(encodedTransctionInBuffer);
}
/**
*
* @param {string} transactionDetails - base64 string of transaction
* @param {string} privateKey - privateKey of user : it should be in hex format
* @returns
*/
function partialSign(transactionDetails, privateKey) {
// first we will partialsign on transaction using senders(ludo user) privatekey
// hex is used bcoz web3auth provides privatekey in hex format
const fromWallet = web3.Keypair.fromSecretKey(Buffer.from(privateKey, "hex"))
transactionDetails.partialSign(...[fromWallet]);
const wireTransaction = transactionDetails.serialize({
requireAllSignatures: true,
verifySignatures: false,
});
return wireTransaction.toString('base64');
}
module.exports = { partialSign, getDecodedTransction }