@tronlink/core/dist/esm/evm_wallet/ledger/LedgerEthWebHid.js

The library serves as a core module within TronLink Extension, which provides low-level wallet functionality for both Tron and Ethereum networks, primary features includes account generation and transaction signing

import TransportWebHID from '@ledgerhq/hw-transport-webhid';
import AppEth from '@ledgerhq/hw-app-eth';
import { TypedDataUtils } from 'eth-sig-util';
import { LedgerWebHid } from '../../base_wallet/ledger';
import { EvmWallet } from '../EvmWallet';
export class LedgerEthWebHid extends LedgerWebHid {
    _transport;
    _app;
    getWallet() {
        return new EvmWallet();
    }
    async signTransaction(transaction, path) {
        try {
            await this.makeApp();
            const response = await this._app.clearSignTransaction(path, transaction, {
                nft: true,
                externalPlugins: true,
                erc20: true,
            });
            return response;
        }
        finally {
            await this.cleanUp();
        }
    }
    async signTypedData(data, path) {
        try {
            await this.makeApp();
            const domainSeparatorHex = TypedDataUtils.hashStruct('EIP712Domain', data.domain, data.types).toString('hex');
            const hashStructMessageHex = TypedDataUtils.hashStruct(data.primaryType, data.message, data.types).toString('hex');
            const response = await this._app.signEIP712HashedMessage(path, domainSeparatorHex, hashStructMessageHex);
            return response;
        }
        finally {
            await this.cleanUp();
        }
    }
    async makeApp() {
        this._transport = await TransportWebHID.create();
        this._app = new AppEth(this._transport);
        return this._app;
    }
    async cleanUp() {
        this._app = undefined;
        await this._transport?.close();
    }
}
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