getTokenAllowance method
Implementation
Future<dynamic> getTokenAllowance(
String tokenAddress,
String spender, {
String? owner,
}) async {
List<EthereumAddress> params = [];
if (owner != null && owner != "") {
params.add(EthereumAddress.fromHex(owner));
} else {
EthereumAddress address = await _credentials.extractAddress();
params.add(address);
}
params.add(EthereumAddress.fromHex(spender));
final List<dynamic> response = await _readFromContract(
'BasicToken',
tokenAddress,
'allowance',
params,
);
return response.first;
}