cake_wallet/cw_polygon/lib/polygon_client.dart
David Adegoke 9590aa25b6
CW-802: Ethereum enhancements (#1826)
* fix: Ethereum enhancements around fees and computations relating to signing and sending transactions

* feat: Add nownodes key for evm to workflow

* feat: Reactivate send all on both eth and polygon wallet types

* fix: Add generic function for updating the node for a wallet type, move ethereum transaction error fees handler to a new file

* fix: Revert podfile.lock

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Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
2024-12-11 16:45:15 +02:00

90 lines
2.6 KiB
Dart

import 'dart:convert';
import 'package:cw_evm/evm_chain_client.dart';
import 'package:cw_evm/.secrets.g.dart' as secrets;
import 'package:cw_evm/evm_chain_transaction_model.dart';
import 'package:flutter/foundation.dart';
import 'package:web3dart/web3dart.dart';
class PolygonClient extends EVMChainClient {
@override
Transaction createTransaction({
required EthereumAddress from,
required EthereumAddress to,
required EtherAmount amount,
EtherAmount? maxPriorityFeePerGas,
Uint8List? data,
int? maxGas,
EtherAmount? gasPrice,
EtherAmount? maxFeePerGas,
}) {
return Transaction(
from: from,
to: to,
value: amount,
data: data,
maxGas: maxGas,
gasPrice: gasPrice,
maxFeePerGas: maxFeePerGas,
maxPriorityFeePerGas: maxPriorityFeePerGas,
);
}
@override
Uint8List prepareSignedTransactionForSending(Uint8List signedTransaction) => signedTransaction;
@override
int get chainId => 137;
@override
Future<List<EVMChainTransactionModel>> fetchTransactions(String address,
{String? contractAddress}) async {
try {
final response = await httpClient.get(Uri.https("api.polygonscan.com", "/api", {
"module": "account",
"action": contractAddress != null ? "tokentx" : "txlist",
if (contractAddress != null) "contractaddress": contractAddress,
"address": address,
"apikey": secrets.polygonScanApiKey,
}));
final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
return (jsonResponse['result'] as List)
.map(
(e) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'MATIC'),
)
.toList();
}
return [];
} catch (e) {
return [];
}
}
@override
Future<List<EVMChainTransactionModel>> fetchInternalTransactions(String address) async {
try {
final response = await httpClient.get(Uri.https("api.polygonscan.io", "/api", {
"module": "account",
"action": "txlistinternal",
"address": address,
"apikey": secrets.polygonScanApiKey,
}));
final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
return (jsonResponse['result'] as List)
.map((e) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'MATIC'))
.toList();
}
return [];
} catch (_) {
return [];
}
}
}