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Fix transaction signing issue in payment process #112

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Fix transaction signing issue in payment process #112

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27 changes: 11 additions & 16 deletions challenge/index.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import algosdk from "algosdk";
import algosdk from "algosdk";
import * as algokit from '@algorandfoundation/algokit-utils';

const algodClient = algokit.getAlgoClient()
Expand All @@ -10,30 +10,25 @@ const receiver = await algokit.mnemonicAccountFromEnvironment(
algodClient,
)

/*
TODO: edit code below

Puzzle:
The below code is trying to send a payment from accounts[0] to accounts[1].
However, the code is not working. fix the code so that the payment is sent
successfully.

When solved correctly, the console should print out the following:
"Payment of 1000000 microAlgos was sent to RRYKB23LFR62G3P4SFINZDQ4FVDUNWWQ4NOF7K6TP5GO65BQCHYMNTR3CU at confirmed round 59"
*/
const suggestedParams = await algodClient.getTransactionParams().do();
const txn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
from: sender.addr,
suggestedParams,
to: receiver.addr,
amount: 1000000,
amount: 1000000, // amount is in microAlgos
});

await algodClient.sendRawTransaction(txn).do();
// Sign the transaction with sender's secret key
const signedTxn = txn.signTxn(sender.sk);

// Send the signed transaction (raw transaction bytes)
await algodClient.sendRawTransaction(signedTxn).do();

// Wait for confirmation
const result = await algosdk.waitForConfirmation(
algodClient,
txn.txID().toString(),
3
3 // number of rounds to wait
);

console.log(`Payment of ${result.txn.txn.amt} microAlgos was sent to ${receiver.addr} at confirmed round ${result['confirmed-round']}`);
console.log(`Payment of ${result.txn.txn.amt} microAlgos was sent to ${receiver.addr} at confirmed round ${result['confirmed-round']}`);