@tronweb3/tronwallet-adapter-tronlink
Version:
Wallet adapter for TronLink Wallet extension and TronLink app.
634 lines (597 loc) • 32.9 kB
text/typescript
import {
AdapterState,
isInBrowser,
WalletReadyState,
WalletSignMessageError,
WalletNotFoundError,
WalletDisconnectedError,
WalletConnectionError,
WalletSignTransactionError,
WalletSignTypedDataError,
WalletSwitchChainError,
WalletGetNetworkError,
isInMobileBrowser,
NetworkType,
AddonAdapter,
WalletError,
TIP6963AnnounceProviderEventName,
TIP6963RequestProviderEventName,
} from '@tronweb3/tronwallet-abstract-adapter';
import type {
Transaction,
SignedTransaction,
AdapterName,
BaseAdapterConfig,
Network,
TypedData,
TIP6963AnnounceProviderEvent,
} from '@tronweb3/tronwallet-abstract-adapter';
import type {
ReqestAccountsResponse,
Tron,
TronAccountsChangedCallback,
TronChainChangedCallback,
TronWeb,
} from './types.js';
import { openTronLink, supportTron, waitTronwebReady } from './utils.js';
export interface TronLinkWallet {
ready: boolean;
tronWeb: TronWeb;
request(config: Record<string, unknown>): Promise<ReqestAccountsResponse | null>;
}
export const chainIdNetworkMap: Record<string, NetworkType> = {
'0x2b6653dc': NetworkType.Mainnet,
'0x94a9059e': NetworkType.Shasta,
'0xcd8690dc': NetworkType.Nile,
};
export async function getNetworkInfoByTronWeb(tronWeb: TronWeb) {
const { blockID = '' } = await tronWeb.trx.getBlockByNumber(0);
const chainId = `0x${blockID.slice(-8)}`;
return {
networkType: chainIdNetworkMap[chainId] || NetworkType.Unknown,
chainId,
fullNode: tronWeb.fullNode?.host || '',
solidityNode: tronWeb.solidityNode?.host || '',
eventServer: tronWeb.eventServer?.host || '',
};
}
declare global {
interface Window {
tronLink?: TronLinkWallet;
tronWeb?: TronWeb & { ready?: boolean };
// @ts-ignore
tron?: Tron;
}
}
export interface TronLinkAdapterConfig extends BaseAdapterConfig {
/**
* Timeout in millisecond for checking if TronLink wallet exists.
* Default is 5000ms
*/
checkTimeout?: number;
/**
* Set if open TronLink app using DeepLink.
* Default is true.
*/
openAppWithDeeplink?: boolean;
/**
* @deprecated Please use `openAppWithDeeplink`
*/
openTronLinkAppOnMobile?: boolean;
/**
* The icon of your dapp. Used when open TronLink app in mobile device browsers.
*/
dappIcon?: string;
/**
* The name of your dapp. Used when open TronLink app in mobile device browsers.
*/
dappName?: string;
}
export const TronLinkAdapterName = 'TronLink' as AdapterName<'TronLink'>;
const TRONLINK_RDNS = 'org.tronlink.www';
export class TronLinkAdapter extends AddonAdapter {
name = TronLinkAdapterName;
url = 'https://www.tronlink.org/';
icon =
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';
config: Required<TronLinkAdapterConfig>;
private _readyState: WalletReadyState = isInBrowser() ? WalletReadyState.Loading : WalletReadyState.NotFound;
private _state: AdapterState = isInBrowser() ? AdapterState.Loading : AdapterState.NotFound;
private _connecting: boolean;
private _wallet: TronLinkWallet | Tron | null;
private _address: string | null;
// https://github.com/tronprotocol/tips/blob/master/tip-1193.md
private _supportNewTronProtocol = false;
// record if first connect event has emitted or not
constructor(config: TronLinkAdapterConfig = {}) {
super(config);
const {
checkTimeout = 5 * 1000,
dappIcon = '',
dappName = '',
openUrlWhenWalletNotFound = true,
openTronLinkAppOnMobile = true,
openAppWithDeeplink = true,
} = config;
if (typeof checkTimeout !== 'number') {
throw new Error('[TronLinkAdapter] config.checkTimeout should be a number');
}
this.config = {
...this.commonConfig,
checkTimeout,
openTronLinkAppOnMobile,
openAppWithDeeplink,
openUrlWhenWalletNotFound,
dappIcon,
dappName,
};
this._connecting = false;
this._wallet = null;
this._address = null;
if (!isInBrowser()) {
this._readyState = WalletReadyState.NotFound;
this.setState(AdapterState.NotFound);
return;
}
if (!isInMobileBrowser()) {
this._checkWallet().then(() => {
if (this.connected) {
this.emit('connect', this.address || '');
}
});
} else if (supportTron() || (isInMobileBrowser() && (window.tronLink || window.tronWeb))) {
this._readyState = WalletReadyState.Found;
this._updateWallet().then(() => {
if (this.connected) {
this.emit('connect', this.address || '');
}
});
} else {
this._checkWallet().then(() => {
if (this.connected) {
this.emit('connect', this.address || '');
}
});
}
}
get address() {
return this._address;
}
get state() {
return this._state;
}
get readyState() {
return this._readyState;
}
get connecting() {
return this._connecting;
}
/**
* Get network information used by TronLink.
* @returns {Network} Current network information.
*/
async network(): Promise<Network> {
try {
await this._checkWallet();
if (this.state !== AdapterState.Connected) throw new WalletDisconnectedError();
const tronWeb = this._wallet?.tronWeb || window.tronWeb;
if (!tronWeb) throw new WalletDisconnectedError();
try {
return await getNetworkInfoByTronWeb(tronWeb);
} catch (e: any) {
throw new WalletGetNetworkError(e?.message, e);
}
} catch (e: any) {
this.emit('error', e);
throw e;
}
}
async connect(): Promise<void> {
try {
if (!(await this._beforeConnect())) return;
// lower version only support window.tronWeb, no window.tronLink
if (!this._wallet) return;
this._connecting = true;
if (this._supportNewTronProtocol) {
const wallet = this._wallet as Tron;
try {
const res = await wallet.request({ method: 'eth_requestAccounts' });
const address = res[0];
this.setAddress(address);
this.setState(AdapterState.Connected);
this._listenTronEvent();
if (!this._wallet.tronWeb) {
await waitTronwebReady(this._wallet as Tron);
}
} catch (error: any) {
let message = error?.message || error || 'Connect TronLink wallet failed.';
if (error.code === -32002) {
message =
'The same DApp has already initiated a request to connect to TronLink wallet, and the pop-up window has not been closed.';
}
if (error.code === 4001) {
message = 'The user rejected connection.';
}
throw new WalletConnectionError(message, error);
}
} else if (window.tronLink) {
const wallet = this._wallet as TronLinkWallet;
const res = await wallet.request({ method: 'tron_requestAccounts' });
if (!res) {
// 1. wallet is locked
// 2. tronlink is first installed and there is no wallet account
throw new WalletConnectionError('TronLink wallet is locked or no wallet account is avaliable.');
}
if (res.code === 4000) {
throw new WalletConnectionError(
'The same DApp has already initiated a request to connect to TronLink wallet, and the pop-up window has not been closed.'
);
}
if (res.code === 4001) {
throw new WalletConnectionError('The user rejected connection.');
}
const address = wallet.tronWeb.defaultAddress?.base58 || '';
this.setAddress(address);
this.setState(AdapterState.Connected);
} else if (window.tronWeb) {
const wallet = this._wallet as TronLinkWallet;
const address = wallet.tronWeb.defaultAddress?.base58 || '';
this.setAddress(address);
this.setState(AdapterState.Connected);
} else {
throw new WalletConnectionError('Cannot connect wallet.');
}
this.connected && this.emit('connect', this.address || '');
} catch (error: any) {
const err = error instanceof WalletError ? error : new WalletConnectionError(error?.message, error);
this.emit('error', err);
throw err;
} finally {
this._connecting = false;
}
}
async disconnect(): Promise<void> {
if (this._supportNewTronProtocol) {
this._stopListenTronEvent();
}
if (this.state !== AdapterState.Connected) {
return;
}
this.setAddress(null);
this.setState(AdapterState.Disconnect);
this.emit('disconnect');
}
private async _checkAndSign<T>(
action: (wallet: Tron & { tronWeb: TronWeb }) => Promise<T>,
ErrorConstructor: typeof WalletSignTransactionError | typeof WalletSignMessageError
): Promise<T> {
try {
const wallet = await this.checkAndGetWallet();
try {
return await action(wallet);
} catch (error: any) {
if (error instanceof Error || (typeof error === 'object' && error.message)) {
throw new ErrorConstructor(error.message, error);
} else if (typeof error === 'string') {
throw new ErrorConstructor(error, new Error(error));
} else {
throw new ErrorConstructor('Unknown error', error);
}
}
} catch (error: any) {
this.emit('error', error);
throw error;
}
}
async signTransaction(transaction: Transaction): Promise<SignedTransaction> {
return this._checkAndSign((wallet) => wallet.tronWeb.trx.sign(transaction), WalletSignTransactionError);
}
/**
*
* @param transaction transaction to be signed
* @param _, false to use tronWeb.trx.multiSign
* @param permissionId permissionId for multiSign
* @returns
*/
async multiSign(transaction: Transaction, options: { permissionId?: number } = {}): Promise<SignedTransaction> {
// multiSign is a transaction signing operation, so it uses WalletSignTransactionError
return this._checkAndSign(
(wallet) => wallet.tronWeb.trx.multiSign(transaction, undefined, options.permissionId),
WalletSignTransactionError
);
}
async signMessage(message: string): Promise<string> {
return this._checkAndSign(async (wallet) => wallet.tronWeb.trx.signMessageV2(message), WalletSignMessageError);
}
protected async _signTypedData(typedData: TypedData): Promise<string> {
return this._checkAndSign(
async (wallet) => wallet.tronWeb.trx._signTypedData(typedData.domain, typedData.types, typedData.message),
WalletSignTypedDataError
);
}
/**
* Switch to target chain. If current chain is the same as target chain, the call will success immediately.
* Available chainIds:
* - Mainnet: 0x2b6653dc
* - Shasta: 0x94a9059e
* - Nile: 0xcd8690dc
* @param chainId chainId
*/
async switchChain(chainId: string) {
try {
await this._checkWallet();
if (this.state === AdapterState.NotFound) {
if (this.config.openUrlWhenWalletNotFound !== false && isInBrowser()) {
window.open(this.url, '_blank');
}
throw new WalletNotFoundError();
}
if (!this._supportNewTronProtocol) {
throw new WalletSwitchChainError("Current version of TronLink doesn't support switch chain operation.");
}
const wallet = this._wallet as Tron;
try {
await wallet.request({
method: 'wallet_switchEthereumChain',
params: [{ chainId }],
});
} catch (e: any) {
throw new WalletSwitchChainError(e?.message || e, e instanceof Error ? e : new Error(e));
}
} catch (error: any) {
this.emit('error', error);
throw error;
}
}
private async checkAndGetWallet() {
if (this._openAppByDeepLinkIfNeed()) {
throw new WalletNotFoundError();
}
await this._checkWallet();
if (this.state !== AdapterState.Connected) throw new WalletDisconnectedError();
const wallet = this._wallet;
if (!wallet || !wallet.tronWeb) throw new WalletDisconnectedError();
return wallet as Tron & { tronWeb: TronWeb };
}
protected _openAppByDeepLinkIfNeed(): boolean {
if (this.config.openAppWithDeeplink === false || this.config.openTronLinkAppOnMobile === false) {
return false;
}
const { dappName = '', dappIcon = '' } = this.config;
return openTronLink({ dappIcon, dappName });
}
// following code is for TIP-1193
private _listenTronEvent() {
this._stopListenTronEvent();
const wallet = this._wallet as Tron;
wallet.on?.('chainChanged', this._onChainChanged);
wallet.on?.('accountsChanged', this._onAccountsChanged);
}
private _stopListenTronEvent() {
const wallet = this._wallet as Tron;
wallet.removeListener?.('chainChanged', this._onChainChanged);
wallet.removeListener?.('accountsChanged', this._onAccountsChanged);
}
private _onChainChanged: TronChainChangedCallback = (data) => {
this.emit('chainChanged', data);
};
private _onAccountsChanged: TronAccountsChangedCallback = () => {
const preAddr = this.address || '';
const curAddr = (this._wallet?.tronWeb && this._wallet?.tronWeb.defaultAddress?.base58) || '';
this.setAddress(curAddr ? curAddr : null);
this.setState(this.address ? AdapterState.Connected : AdapterState.Disconnect);
this.emit('accountsChanged', this.address || '', preAddr);
if (!preAddr && this.address) {
this.emit('connect', this.address);
} else if (preAddr && !this.address) {
this.emit('disconnect');
}
};
private _checkPromise: Promise<boolean> | null = null;
private isLegacyTronLinkProvider(provider: Tron | undefined | null) {
return !!provider?.isTronLink;
}
private hasDesktopLegacyTronLinkProvider() {
return this.isLegacyTronLinkProvider(window.tron) || !!window.tronLink;
}
/**
* check if wallet exists by interval, the promise only resolve when wallet detected or timeout
* @returns if wallet exists
*/
protected _checkWallet(): Promise<boolean> {
if (this.readyState === WalletReadyState.Found) {
return Promise.resolve(true);
}
if (this._checkPromise) {
return this._checkPromise;
}
if (isInBrowser() && !isInMobileBrowser()) {
// Desktop: use TIP-6963 event-based discovery with fallback
this._checkPromise = new Promise((resolve) => {
let handled = false;
let timer: ReturnType<typeof setTimeout> | null = null;
let interval: ReturnType<typeof setInterval> | null = null;
let handler: ((event: TIP6963AnnounceProviderEvent) => void) | null = null;
const cleanupDesktopDetection = () => {
if (interval) {
clearInterval(interval);
interval = null;
}
if (timer) {
clearTimeout(timer);
timer = null;
}
if (typeof window !== 'undefined' && handler) {
window.removeEventListener(TIP6963AnnounceProviderEventName, handler);
}
};
const finishWithLegacyDetection = () => {
if (handled) {
return;
}
handled = true;
cleanupDesktopDetection();
if (typeof window === 'undefined') {
resolve(false);
return;
}
// Fallback to legacy detection
this._updateWallet();
const isSupport = this.state !== AdapterState.NotFound;
this._readyState = isSupport ? WalletReadyState.Found : WalletReadyState.NotFound;
this.emit('readyStateChanged', this._readyState);
resolve(isSupport);
};
timer = setTimeout(finishWithLegacyDetection, this.config.checkTimeout);
handler = async (event: TIP6963AnnounceProviderEvent) => {
if (handled) {
return;
}
const { info, provider } = event.detail;
const isTronLinkProvider = info.name === 'TronLink';
if (isTronLinkProvider) {
handled = true;
this._supportNewTronProtocol = true;
this._wallet = provider as unknown as Tron;
try {
await this.checkSecurity();
} catch {
this.setAddress(null);
this.setState(AdapterState.Disconnect);
this._readyState = WalletReadyState.Found;
this.emit('readyStateChanged', this.readyState);
resolve(true);
return;
}
this._listenTronEvent();
this._readyState = WalletReadyState.Found;
const address =
(this._wallet?.tronWeb && (this._wallet.tronWeb as TronWeb).defaultAddress?.base58) || null;
const state = address ? AdapterState.Connected : AdapterState.Disconnect;
this.setAddress(address);
this.setState(state);
this.emit('readyStateChanged', this.readyState);
cleanupDesktopDetection();
resolve(true);
}
};
window.addEventListener(TIP6963AnnounceProviderEventName, handler);
window.dispatchEvent(new Event(TIP6963RequestProviderEventName));
});
return this._checkPromise;
}
// Mobile: use legacy polling detection
const interval = 100;
const maxTimes = Math.floor(this.config.checkTimeout / interval);
let times = 0,
timer: ReturnType<typeof setInterval>;
this._checkPromise = new Promise((resolve) => {
const check = () => {
times++;
this._updateWallet();
const isSupport = !!(isInMobileBrowser() && (window.tronLink || window.tronWeb));
if (isSupport || times > maxTimes) {
timer && clearInterval(timer);
this._readyState = isSupport ? WalletReadyState.Found : WalletReadyState.NotFound;
this.emit('readyStateChanged', this.readyState);
resolve(isSupport);
}
};
timer = setInterval(check, interval);
check();
});
return this._checkPromise;
}
private _updateWallet = async () => {
this._supportNewTronProtocol = false;
let state = this.state;
let address = this.address;
if (isInMobileBrowser()) {
if (window.tronLink) {
this._wallet = window.tronLink;
} else {
this._wallet = {
ready: !!window.tronWeb?.defaultAddress,
tronWeb: window.tronWeb,
request: () => Promise.resolve(true) as any,
} as TronLinkWallet;
}
address = this._wallet.tronWeb?.defaultAddress?.base58 || null;
if (address) {
// Only run the security check once the wallet is actually connected.
try {
await this.checkSecurity();
} catch {
this.setAddress(null);
this.setState(AdapterState.Disconnect);
return;
}
state = AdapterState.Connected;
} else {
state = AdapterState.Disconnect;
}
} else if (this.isLegacyTronLinkProvider(window.tron)) {
this._supportNewTronProtocol = true;
this._wallet = window.tron as Tron;
this._listenTronEvent();
try {
address = (this._wallet?.tronWeb && this._wallet.tronWeb?.defaultAddress?.base58) || null;
state = address ? AdapterState.Connected : AdapterState.Disconnect;
} catch (e) {
console.error('Unknown error: ' + e, ' Please install TronLink extension wallet.');
address = null;
state = AdapterState.Disconnect;
this._readyState = WalletReadyState.NotFound;
this.emit('readyStateChanged', this.readyState);
return;
}
} else if (window.tronLink) {
this._wallet = window.tronLink;
address = this._wallet.tronWeb?.defaultAddress?.base58 || null;
state = this._wallet.ready ? AdapterState.Connected : AdapterState.Disconnect;
} else {
// no tronlink support
this._wallet = null;
address = null;
state = AdapterState.NotFound;
}
// In TronLink App, account should be connected
if (isInMobileBrowser() && state === AdapterState.Disconnect) {
this.checkForWalletReadyForApp();
}
this.setAddress(address);
this.setState(state);
};
private checkReadyInterval: ReturnType<typeof setInterval> | null = null;
private checkForWalletReadyForApp() {
if (this.checkReadyInterval) {
return;
}
let times = 0;
const maxTimes = Math.floor(this.config.checkTimeout / 200);
const check = () => {
if (window.tronLink ? window.tronLink.tronWeb?.defaultAddress : window.tronWeb?.defaultAddress) {
this.checkReadyInterval && clearInterval(this.checkReadyInterval);
this.checkReadyInterval = null;
this._updateWallet();
this.emit('connect', this.address || '');
} else if (times > maxTimes) {
this.checkReadyInterval && clearInterval(this.checkReadyInterval);
this.checkReadyInterval = null;
} else {
times++;
}
};
this.checkReadyInterval = setInterval(check, 200);
}
private setAddress(address: string | null) {
this._address = address;
}
private setState(state: AdapterState) {
const preState = this.state;
if (state !== preState) {
this._state = state;
this.emit('stateChanged', state);
}
}
}