delegations.approve

Future<DelegationApproveResponse> approve({
  required String chain,
  required String token,
  required String delegateAddress,
  required String amount,
})

import 'package:portal_flutter/portal_flutter.dart';

final portal = Portal();

final response = await portal.delegations.approve(
  chain: 'eip155:11155111',
  token: 'USDC',
  delegateAddress: '0x1234...',
  amount: '100.0',
);

// Sign and send the transaction
final tx = response.transactions!.first!;
final txResponse = await portal.request(
  chainId: 'eip155:11155111',
  method: 'eth_sendTransaction',
  params: [
    {'from': tx.from, 'to': tx.to, 'data': tx.data, 'value': tx.value}
  ],
);
print('Tx hash: ${txResponse.result}');

final response = await portal.delegations.approve(
  chain: 'solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1',
  token: 'USDC',
  delegateAddress: '7smgSuU5mjP7QY5yWGdaTfgKn8hUWwvQgfvgcZB3HmJi',
  amount: '100.0',
);

// Sign and send the transaction
final encodedTx = response.encodedTransactions!.first!;
final txResponse = await portal.request(
  chainId: 'solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1',
  method: 'sol_signAndSendTransaction',
  params: [encodedTx],
);
print('Tx hash: ${txResponse.result}');