Build on Algorand
Frontend Integration with AlgoSDK
Frontend Integration with algosdk
Our smart contract is now live on the Testnet. Let's create a web interface (frontend) to interact with it.
JavaScript/TypeScript-based frontend applications communicate with the Algorand network using the algosdk-js library. AI can rapidly generate the code needed to create transactions using this library.
Prompt: // Using algosdk-js, write a TypeScript function to call the "increment" method of an Algorand smart contract.
AI Output: Copilot will generate a function like the one below, which creates a transaction that must be signed by a wallet:
import algosdk from 'algosdk';
import algosdk from 'algosdk';
/**
* Prepares an unsigned application call transaction to invoke the "increment" method
* of a smart contract deployed with Beaker.
*
* @param senderAddress - The address initiating the transaction
* @param appID - The ID of the deployed application
* @param algodClient - An instance of the Algod client
* @returns An unsigned ApplicationCall transaction
*/
async function callIncrementMethod(
senderAddress: string,
appID: number,
algodClient: algosdk.Algodv2
) {
const suggestedParams = await algodClient.getTransactionParams().do();
const appArgs = [new Uint8Array(Buffer.from("increment"))];
const appCallTxn = algosdk.makeApplicationNoOpTxn(
senderAddress,
suggestedParams,
appID,
appArgs
);
// This transaction must now be signed with a wallet before submitting.
return appCallTxn;
}
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