kuchaindart 0.2.3

This library supports kuchain address generation and verification. It enables you to create an offline signature functions of different types of transaction messages.

example/example.dart

import 'package:bip39/bip39.dart' as bip39;
import 'package:hex/hex.dart';
import 'package:kuchaindart/kuchaindart.dart';

Future main() async {
  // const url = 'http://127.0.0.1:1317';
  const url = 'http://121.89.216.155';

  // ====================================
  //           Formal network
  // ====================================
  // const chainId = 'kuchain';
  // const prefix = 'kuchain';
  // const mainCoinDenom = 'kuchain/kcs';

  // ====================================
  //           Test network
  // ====================================
  const chainId = 'kratos';
  const prefix = 'kratos';
  const mainCoinDenom = 'kratos/kts';

  var kuchain = Kuchain(
    url: url,
    chainId: chainId,
  );

  kuchain.setBech32MainPrefix(prefix);
  kuchain.setMainCoinDenom(mainCoinDenom);

  var testMnemonic = bip39.generateMnemonic();
  print('\n mnemonic ======================');
  print(testMnemonic);

  const mnemonic =
      // ignore: lines_longer_than_80_chars
      'vivid favorite regular curve check word bubble echo disorder cute parade neck rib evidence option glimpse couple force angry section dizzy puppy express cream';
  final address = kuchain.getAddress(mnemonic);
  print('\n address ======================');
  print(address);

  // Configure your own information
  const myAccount = 'testaccount1';
  final myAddress = address;

  const myPrivatKeyHex =
      '8c44ff31bf84292b316aee425b4ebb1b3e95fcf790fd163c8d5fa64418706f7d';
  final addressFromPrivateKey =
      kuchain.getAddressFromPrivateKeyHex(myPrivatKeyHex);
  print('\n addressFromPrivateKey ======================');
  print(addressFromPrivateKey);

  final ecpairPriv = kuchain.getECPairPriv(mnemonic);
  print('\n ecpairPriv ======================');
  print(HEX.encode(ecpairPriv));

  final getPubKeyBase64 = kuchain.getPubKeyBase64(ecpairPriv);
  print('\n getPubKeyBase64 ======================');
  print(getPubKeyBase64);

  final getPubKey = kuchain.getPubKey(ecpairPriv);
  print('\n getPubKey ======================');
  print(getPubKey);

  // ====================================
  //          Get node info
  // ====================================
  final nodeInfo = await kuchain.getNodeInfo();
  print('\n getNodeInfo ======================');
  print(nodeInfo);

  // ====================================
  //          Get block info
  // ====================================
  final blockLatest = await kuchain.getBlocks();
  print('\n getBlocks ======================');
  print(blockLatest);

  // ====================================
  //          Get accounts info from address
  // ====================================
  final accounts = await kuchain.getAccountsByAuth(myAddress);
  print('\n getAccountsByAuth ======================');
  print(accounts);

  // ====================================
  //          Get account info
  // ====================================
  final accountInfo = await kuchain.getAccountInfo(myAccount);
  print('\n getAccountInfo ======================');
  print(accountInfo);

  // ====================================
  //          Get coins info
  // ====================================
  final coinsInfo = await kuchain.getCoins(myAddress);
  print('\n getCoins ======================');
  print(coinsInfo);

  // ====================================
  //            Create account
  // ====================================
  final newCreateAccMsg = await kuchain.newCreateAccMsg(
    myAccount,
    'testaccount4',
    myAddress,
  );
  print('\n newCreateAccMsg ======================');
  print(newCreateAccMsg);

  final signedCreateAccMsgTx = await kuchain.sign(newCreateAccMsg, ecpairPriv);
  print('\n signedCreateAccMsgTx ======================');
  print(signedCreateAccMsgTx);

  final createAccRes = await kuchain.broadcast(signedCreateAccMsgTx);
  print('\n createAccRes ======================');
  print(createAccRes);

  // ====================================
  //              Transfer
  // ====================================
  // final newTransferMsg = await kuchain.newTransferMsg(
  //   myAddress,
  //   myAccount,
  //   '1000000000000000000$mainCoinDenom',
  // );
  // final signedTransferMsgTx = await kuchain.sign(newTransferMsg, ecpairPriv);
  // final transferRes = await kuchain.broadcast(signedTransferMsgTx);
  // print('\n transferRes ======================');
  // print(transferRes);

  // ====================================
  //              Staking
  // ====================================
  // final newDelegationMsg = await kuchain.newDelegationMsg(
  //   myAccount,
  //   'michael', // validator
  //   '100$mainCoinDenom',
  // );
  // final signedDelegationMsgTx = await kuchain.sign(newDelegationMsg, ecpairPriv);
  // final delegationRes = await kuchain.broadcast(signedDelegationMsgTx);
  // print('\n delegationRes ======================');
  // print(delegationRes);

  // ====================================
  //              Proposal
  // ====================================
  // final newProposalMsg = await kuchain.newProposalMsg(
  //   'Proposal Title',
  //   'Proposal description',
  //   '500000000000000000000$mainCoinDenom',
  //   myAccount,
  // );
  // final signedProposalMsgTx = await kuchain.sign(newProposalMsg, ecpairPriv);
  // final proposalMsg = await kuchain.broadcast(signedProposalMsgTx);
  // print('\n proposalMsg ======================');
  // print(proposalMsg);
}