js-wallet-sdk

This is a typescript/javascript language wallet solution that supports offline transactions. We currently support various mainstream public blockchains, and will gradually release the source codes for each blockchain.

Npm Install

To obtain the latest version, simply require the project using npm:

# needed for all coins
npm install @okxweb3/crypto-lib
npm install @okxweb3/coin-base

# for eth
npm install @okxweb3/coin-ethereum

# for bitcoin
npm install @okxweb3/coin-bitcoin

Build Locally

You can build the sdk locally ,and run test-code.

sh build.sh

Supported chains

	Account Generation	Transaction Creation	Transaction Signing
BTC	✅	✅	✅
Ethereum	✅	✅	✅
Aptos	✅	✅	✅
Cosmos	✅	✅	✅
Eos	✅	✅	✅
Flow	✅	✅	✅
Stacks	✅	✅	✅
Starknet	✅	✅	✅
Sui	✅	✅	✅
Tron	✅	✅	✅
Osmosis	✅	✅	✅
Cardano	✅	✅	✅

*BTC: Supports Supports BRC20-related functions, including inscription creation, BRC20 buying and selling.

Main modules

• crypto-lib: Handles general security and signature algorithms.
• coin-base: Provides coin common interface.
• coin-*: Implements transaction creation and signature in each coin type.

Example

For specific usage examples of each coin type, please refer to the corresponding test files. Remember to replace the placeholder private key with your own private key, which is generally in hex format.

Feedback

You can provide feedback directly in GitHub Issues, and we will respond promptly.

License

Most packages or folders are MIT licensed, see package or folder for the respective license.