Getting Started

Prerequisites

Using Blade Connect interface

For example usage and testing the below APIs using a Demo App, please go here and setup the app locally: Demo App

BladeWallet uses the Hedera Signer and Wallet Interface

Install blade-web3 npm package:

npm install --save @bladelabs/blade-web3.js

Create new signer Object:

import { BladeSigner } from '@bladelabs/blade-web3.js';

async function loadWallet() {

  try {

    const signer = new BladeSigner();

    /// Create session with WalletExtension.
    await signer.createSession();

    /// Blade Signer is now ready for use.

    signer.getAccountId();

  } catch (err ){
    console.error(err);
  }

}

API

Read the TypeDoc API documentation

BladeConnector

Method
Description

bladeConnector.createSession(params?: SessionParams)

Create session with Blade Wallet.

bladeConnector.killSession()

Close the session with Blade Wallet.

bladeConnector.getSigner()

Get the currently active BladeSigner.

bladeConnector.getSigners()

Get a list of paired BladeSigner objects.

bladeConnector.onWalletLocked(callback)

Execute a callback when wallet is locked.

bladeConnector.onWalletUnlocked(callback)

Execute a callback when wallet is unlocked.

bladeConnector.onSessionDisconnect(callback)

Execute a callback when a session has been disconnected.

bladeConnector.onSessionExpire(callback)

Execute a callback when a session has expired.

BladeSigner

Method
Description

bladeSigner.getAccountId()

Get accountId of active account.

bladeSigner.getAccountBalance(accountId: AccountId⎮string)

Retrieve account balance by accountId

bladeSigner.getAccountInfo(accountId: AccountId⎮string)

Get information about a Hedera account on the connected network.

bladeSigner.checkTransaction(transaction: Transaction)

Check that a transaction is valid.

bladeSigner.populateTransaction(transaction: Transaction)

Set transaction id and node accounts using active account.

bladeSigner.call(request: Executable)

Execute a transaction with provider account.

bladeSigner.sign(message: UInt8Array[])

Sign a transaction with active wallet account.

bladeSigner.signTransaction(transaction: Transaction)

Sign a transaction with active wallet account.

bladeSigner.getLedgerId()

Ledger Id of the currently connected network.

bladeSigner.getMirrorNetwork()

Get an array of mirror nodes for the current network.

bladeSigner.getNetwork()

Get a map of nodes for the current hedera network.

bladeSigner.handshake(serverAccountId: string, serverSignature: string, payload: HandshakePayload)

Make secure client-server handshake

Development

Install dependencies.

npm i

Run vite have a hot-reloaded application.

npm dev

Note: Once you have the localhost server running, you should be able to connect to the Blade Wallet installed from the GitHub or Chrome Store. In some cases, the Blade Wallet from the Chrome Store will be outdated and may not work so please use the latest build from the GitHub repository mentioned in the prerequisites above.

Production

Run vite build to build and minify the application.

npm build

Note: App must be run in https mode to access Blade Wallet Extension.

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