tokenBalance method Null safety
Returns the amount of Tokens a specific account owns.
address
- Contract address
tokenName
- Name of the token
contractAddress
- Contract address
Example
final data = await eth.tokenBalance(
address: '0x4366ddc115d8cf213c564da36e64c8ebaa30cdbd',
contractAddress: '0xe0b7927c4af23765cb51314a0e0521a9645f0e2a' // DGD contract address
tokenname: '',
);
Implementation
Future<EtherScanTokenBalanceModel> tokenBalance({
required String? address,
required String? contractAddress,
String? tokenName,
}) async {
const module = 'account';
const action = 'tokenbalance';
const tag = 'latest';
Map<String, dynamic>? query = {
'module': module,
'action': action,
'apiKey': apiKey,
'tag': tag,
};
if (contractAddress != null) {
query.putIfAbsent('contractaddress', () => contractAddress);
}
if (tokenName != null) {
query.putIfAbsent('tokenname', () => tokenName);
}
if (address != null) {
query.putIfAbsent('address', () => address);
}
return (await get(query)).fold(
(l) => EtherScanTokenBalanceModel.empty(),
(r) => EtherScanTokenBalanceModel.fromJson(r),
);
}