tronweb-connector

tronweb-connector helps dapp to interact with the TRON network via the TronLink Chrome extension. With tronweb-connector, dapp developers will be able to:

• request account information authorization on the dapp

• retrieve the TronLink instance

• listen to TronLink events

---

Get Started

Installation

• npm i

Run

• npm run start

Build

• npm run build

---

activate

Request user authorization to dapp which connect to TronLink wallet

Response

Scenario	Response
TronLink not installed	Error response object
TronLink installed and the user did not provide authorization before. Authorization box will be shown and the user ACCEPTS the authorization request	TronLink instance
TronLink installed and the user did not provide authorization before. Authorization box will be shown and the user REJECTS the authorization request	Error response object
TronLink installed and user provided authorization before	TronLink instance

Status

Status code	Description
4001	User refuse to authorize
4002	TronLink not installed
4003	Unknown error
4004	User not log in
200	TronLink installed

Example

const res = await TronwebConnector.activate();

if (res?.defaultAddress?.base58) {
  initUserInfo(res.defaultAddress.base58);
} else if (!res?.success && res?.errorCode && res?.msg) {
  console.log(`${res.msg}(${res.errorCode})`);
} else {
  console.log(`Please install and log in to TronLink first`);
}

---

on

Listen to TronLink events

Parameters

Argument	Description	Type
_action	Action name of the event to listen	String
cb	Call back function in response to the event	Function

Response

Scenario	Response
Successfully added event listener to specified event action	true
Failed to add event listener	false

Event action name

Event action	Description
accountsChanged	when switching accounts
chainChanged	when switching chains
connectWeb	when the active connection dapp is made in the plugin popup page
disconnectWeb	when the active reject dapp is in the plugin popup page

Example

TronWebConnector.on('accountsChanged', res => {
  setDefaultAccount(res.data.address);
  if (res.data.address) {
    console.log(`Current account address is: ${res.data.address}`);
  } else {
    console.log(`Please log in to TronLink first`);
  }
})

TronWebConnector.on('chainChanged', res => {
  console.log(`Current account fullNode is: ${res.data.node.fullNode}`);
  updateAccountBalance();
})

TronWebConnector.on('disconnectWeb', res => {
  console.log(`disconnect website name: ${res.data.websiteName}`);
  resetDefaultAccount();
})

TronWebConnector.on('connectWeb', res => {
  console.log(`connect website name: ${res.data.websiteName}`);
})