fixes keystone vault registration failure

src/hardware/index.ts

@@ -209,16 +209,26 @@ export const getSignerNameFromType = (type: SignerType, isMock = false, isAmf =
   return name;
 };
 
-export const getWalletConfig = ({ vault }: { vault: Vault }) => {
-  let line = '# Multisig setup file (exported from Keeper)\n';
+export const getWalletConfig = ({ vault, signerType }: { vault: Vault; signerType?: string }) => {
+  const isKeystone = signerType === SignerType.KEYSTONE;
+  let line = '';
+  if (isKeystone) line += 'Y q';
+  line += `# ${isKeystone ? 'Keystone' : ''} Multisig setup file (exported from Keeper)\n`;
+  if (isKeystone) line += '#\n';
   line += `Name: ${vault.presentationData.name}\n`;
   line += `Policy: ${vault.scheme.m} of ${vault.scheme.n}\n`;
+  if (isKeystone) line += `Derivation: ${vault.signers[0].derivationPath.replaceAll('h', "'")}\n`;
   line += 'Format: P2WSH\n';
   line += '\n';
   vault.signers.forEach((signer) => {
-    line += `Derivation:${signer.derivationPath.replaceAll('h', "'")}\n`;
-    line += `${signer.masterFingerprint}:`;
-    line += `${signer.xpub}\n\n`;
+    if (isKeystone) {
+      line += `${signer.masterFingerprint}: `;
+      line += `${signer.xpub}\n`;
+    } else {
+      line += `Derivation:${signer.derivationPath.replaceAll('h', "'")}\n`;
+      line += `${signer.masterFingerprint}:`;
+      line += `${signer.xpub}\n\n`;
+    }
   });
   return line;
 };

src/screens/QRScreens/RegisterWithQR.tsx

@@ -19,6 +19,8 @@ import KeeperQRCode from 'src/components/KeeperQRCode';
 import useToastMessage from 'src/hooks/useToastMessage';
 import TickIcon from 'src/assets/images/icon_tick.svg';
 import ShareWithNfc from '../NFCChannel/ShareWithNfc';
+import { UR, UREncoder } from '@ngraveio/bc-ur';
+import { getFragmentedData } from 'src/services/qr';
 
 const { width } = Dimensions.get('window');
 
@@ -36,10 +38,22 @@ function RegisterWithQR({ route, navigation }: any) {
           '/<0;1>/*',
           ''
         )}${activeVault.isMultiSig ? ' )' : ''}`
-      : getWalletConfig({ vault: activeVault });
-  const qrContents = Buffer.from(walletConfig, 'ascii').toString('hex');
+      : getWalletConfig({ vault: activeVault, signerType: signer.type });
+  let qrContents: any = Buffer.from(walletConfig, 'ascii').toString('hex');
   const { showToast } = useToastMessage();
 
+  try {
+    if (signer.type === SignerType.KEYSTONE) {
+      const messageBuffer = Buffer.from(walletConfig);
+      const ur = UR.fromBuffer(messageBuffer);
+      const maxFragmentLength = 1000;
+      const encoder = new UREncoder(ur, maxFragmentLength);
+      qrContents = getFragmentedData(encoder).toString().toUpperCase();
+    }
+  } catch (error) {
+    console.log('🚀 ~ RegisterWithQR ~ error:', error);
+  }
+
   const markAsRegistered = () => {
     dispatch(
       updateKeyDetails(vaultKey, 'registered', {
@@ -71,8 +85,12 @@ function RegisterWithQR({ route, navigation }: any) {
           showsVerticalScrollIndicator={false}
         >
           <Box style={styles.center}>
-            {signer.type === SignerType.SPECTER ? (
-              <KeeperQRCode qrData={walletConfig} size={width * 0.85} ecl="L" />
+            {[SignerType.SPECTER, SignerType.KEYSTONE].includes(signer.type) ? (
+              <KeeperQRCode
+                qrData={signer.type == SignerType.KEYSTONE ? qrContents : walletConfig}
+                size={width * 0.85}
+                ecl="L"
+              />
             ) : (
               <DisplayQR qrContents={qrContents} toBytes type="hex" />
             )}

src/screens/Vault/SigningDeviceDetails.tsx

@@ -87,6 +87,7 @@ export const SignersReqVault = [
   SignerType.TREZOR,
   SignerType.BITBOX02,
   SignerType.PORTAL,
+  SignerType.KEYSTONE,
 ];
 
 export const CHANGE_INDEX_THRESHOLD = 100;

src/services/qr/index.ts

@@ -82,7 +82,7 @@ export const encodeBytesUR = (data, rotation, type: BufferEncoding = 'hex') => {
   return [data];
 };
 
-const getFragmentedData = (encoder) => {
+export const getFragmentedData = (encoder) => {
   const fragments = [];
   for (let c = 1; c <= encoder.fragmentsLength; c++) {
     const ur = encoder.nextPart();