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Pure Dart library allowing you to easily create an HD Wallet and create, sign and send Cosmos-SDK transactions.

Pub Travis (.org)

Sacco.dart is a pure Dart package that allows you to easily perform some operations related to the Cosmos.network ecosystem. This includes:

  1. Creating an HD Wallet.
  2. Creating a transaction.
  3. Signing a transaction.
  4. Broadcasting a transaction.

Being it in pure Dart means that you can use it inside your Dart Web projects as well as Flutter ones.

You can find the latest release of sacco.dart on pub.

Usage #

Creating a wallet #

final derivationPath = "m/44'/118'/0'/0/0";
final networkInfo = NetworkInfo(id: "", bech32Hrp: "cosmos", lcdUrl: "");

final mnemonicString = "final random flame cinnamon grunt hazard easily mutual resist pond solution define knife female tongue crime atom jaguar alert library best forum lesson rigid";
final mnemonic = mnemonicString.split(" ");
final wallet = Wallet.derive(mnemonic, derivationPath, networkInfo);

Creating a transaction #

final message = StdMsg(
  type: "cosmos-sdk/MsgSend",
  value: {
    "from_address": "cosmos1huydeevpz37sd9snkgul6070mstupukw00xkw9",
    "to_address": "cosmos12lla7fg3hjd2zj6uvf4pqj7atx273klc487c5k",
    "amount": [
      {"denom": "uatom", "amount": "100"}
    ]
  },
);

final stdTx = TxBuilder.buildStdTx(stdMsgs: [message]);

Signing a transaction #

final signedStdTx = TxSigner.signStdTx(wallet: wallet, stdTx: stdTx);

Sending a transaction #

try {
  final hash = await TxSender.broadcastStdTx(wallet: wallet, stdTx: signedStdTx);
  print("Tx send successfully. Hash: $hash");
} catch (error) {
  print("Error while sending the tx: $error");
}
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Publisher

verified publishercommercio.network

Pure Dart library allowing you to easily create an HD Wallet and create, sign and send Cosmos-SDK transactions.

Repository (GitHub)
View/report issues

License

unknown (LICENSE)

Dependencies

asn1lib, bip32, bip39, bip_bech32, bitcoin_flutter, equatable, hex, http, meta, pointycastle

More

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