feat: add qr keyring package

packages/keyring-eth-qr/src/device.ts

@@ -3,7 +3,7 @@
   type TypedTransaction,
   TransactionType,
   type TypedTxData,
   type FeeMarketEIP1559Transaction,
   TransactionFactory,
 } from '@ethereumjs/tx';
 import { publicToAddress } from '@ethereumjs/util';
@@ -341,15 +341,14 @@
         ? DataType.transaction
         : DataType.typedTransaction;
 
-    const messageToSign = Buffer.from(
-      transaction.type === TransactionType.Legacy
-        ? RLP.encode(transaction.getMessageToSign())
-        : (transaction as FeeMarketEIP1559Transaction).getMessageToSign(),
+    const messageToSign = transaction.getMessageToSign();
+    const rawTransaction = Buffer.from(
+      Array.isArray(messageToSign) ? RLP.encode(messageToSign) : messageToSign,
     );
 
     const requestId = uuidv4();
     const ethSignRequestUR = EthSignRequest.constructETHRequest(
-      messageToSign,
+      rawTransaction,
       dataType,
       this.pathFromAddress(address),
       this.#pairedDevice.xfp,