This method allows you to send a contract transaction request.
Before requesting a transaction, ensure that you encode the value in hexadecimal format.
constvalue="0x0"
You also need to add the necessary parameters before requesting a transaction.
constfrom= userAddress //the address you're sending from (connected users address)constto="0x0000000000000000000000000000000000000000"// the address you're sending the transaction to
Now we need to get the data to send to represent the contract data. In this example we are approving 0.1 BUSD
// create the tx object// BUSD contract address: 0x78867BbEeF44f2326bF8DDd1941a4439382EF2A7constcontractAddress="0x78867BbEeF44f2326bF8DDd1941a4439382EF2A7";// Approve function ABIconstabi= [ { inputs: [ { internalType:"address", name:"spender", type:"address" }, { internalType:"uint256", name:"amount", type:"uint256" }, ], name:"approve", outputs: [{ internalType:"bool", name:"", type:"bool" }], stateMutability:"nonpayable", type:"function", },];constcontract=newethers.Contract(contractAddress, abi);// Set the parameters for the transactionconstspender= userAddress; // the address of the spender (user connected)constamount=ethers.parseEther("0.1"); // the amount to approveconstdata=contract.interface.encodeFunctionData("approve", [ spender, amount,]);
Next, create the transaction object
consttx= { from, to, data, value,},
Finally, obtain the chain ID, which can be found at the following URL: (https://chainlist.org)