getTokenInfo function

Implementation

Future<TokenInfo?> getTokenInfo({
  required String contractAddress,
  required EvmRpcInterface rpc,
}) async {
  final tokenContract = ERC20Contract(
    contractAddress: contractAddress,
    rpc: rpc,
  );

  try {
    final result = await Future.wait(
      [
        tokenContract.getDecimals(),
        tokenContract.getName(),
        tokenContract.getSymbol(),
        tokenContract.getSupply(),
      ],
      eagerError: true,
    );
    int decimals = result[0] as int;
    String name = result[1] as String;
    String symbol = result[2] as String;
    BigInt maxSupply = result[3] as BigInt;
    double maxSupplyDouble = maxSupply.toDouble() / pow(10, decimals);

    return TokenInfo(
      decimals: decimals,
      maxSupply: maxSupplyDouble,
      symbol: symbol,
      name: name,
      contractAddress: contractAddress,
    );
  } catch (e) {
    return null;
  }
}