HD-Vault

Core module of Oneledger HD wallet.
Currently, we support OneLedger, BitCoin and Ethereum key derivation.

Oneledger HD vault provides functionalities to derive master key, Oneledger key, BitCoin key and Ethereum key, it also provides functionalities to sign Oneledger, BitCoin and Ethereum txs.

Usage

import

    const HDVault = require('hd-vault');

Master Key Derivation

    const yourMasterKeyPassword = "xxxxxx"; // This is the password to encrypt your master key
    const mnemonicWords = HDVault.mnemonicUtil.mnemonicGenerator24();
    const masterKey = new HDVault.MasterKeySeedManager(mnemonicWords, yourMasterKeyPassword);
    const {encryptedMasterKeySeed} = masterKey.getMasterKeySeedInfo(); // You need to store this encryptedMasterKeySeed for later usage

Oneledger Key Derivation

    const derivedKeyData = {
        keyType: "OLT",
        keyIndex: 0, // key index
        password: yourMasterKeyPassword,
        encryptedMasterKeySeed: encryptedMasterKeySeed
    };
    const {response} = await HDVault.derivedKeyManager.deriveNewKeyPair(derivedKeyData).catch(error => {
        // handler error here
    });
    const {keyIndex, address, publicKey} = response; // Address is the Oneledger address derived based on key index, publicKey is the public key associated to this address

Sign tx with Oneledger Key

    const signData = {
        message: rawTx, // Base64 encoded Oneledger rawTx
        keyType: "OLT",
        keyIndex: 0, // To sign with Oneledger address derived before, please using the same key index here
        password: yourMasterKeyPassword,
        encryptedMasterKeySeed: encryptedMasterKeySeed
    };
    const {response} = await HDVault.derivedKeyManager.signTx(signData).catch(error => {
        // handler error here
    });
    const {signature} = response; // Get Oneledger tx signature

Use the signature with publicKey to broadcast Oneledger tx.
Please note, for broadcast, the publicKey and signature have to be generated by the same key index.