contract.dart

  Future<DeployedContract> getContract() async {
    // abi.json is the contract metadata, you can download it from the remix IDE
    String abi = await rootBundle.loadString("assets/abi.json");
    String contractAddress = "my_contract_address"; // e.g. 0xd66C81d9b781152e2D9be07Ccdf2303A77B7163c
    String contractName = "my_contract_name"; // you must set your own contract name here
    
    DeployedContract contract = DeployedContract(
      ContractAbi.fromJson(abi, contractName),
      EthereumAddress.fromHex(contractAddress),
    );

    return contract;
  }