@stricahq/typhonjs

Pure javascript Cardano wallet library.

• Generate and work with Cardano addresses
• Build complex transactions
• Automatic UTXO selection
• Metadata support
• Plutus support
• and much more

Installation

yarn/npm

yarn add @stricahq/typhonjs

Browser

<script src="[use jsDelivr or Unpkg]"></script>

// access typhonjs global variable

Key generation & Signing

Use @stricahq/bip32ed25519 for deriving keys and signing transaction with mnemonics

// see tests for building `transaction`
const txHash = transaction.getTransactionHash();
const requiredSignatures = transaction.getRequiredWitnesses();

// `accountPrivateKey` derive using @stricahq/bip32ed25519
for (const [, bipPath] of requiredSignatures) {
  const privateKey = accountPrivateKey.derive(bipPath.chain).derive(bipPath.index).toPrivateKey();
  const witness = {
    publicKey: privateKey.toPublicKey().toBytes(),
    signature: privateKey.sign(txHash),
  };
  transaction.addWitness(witness);
}

Usage Example

Checkout tests and API doc

API Doc

Find the API documentation here

Used by

Typhon Wallet

License

Copyright 2022 Strica

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.