Added private key export RPC method

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - `@rarimo/rarime`:
   - `RemoveCredentials` credentials RPC method
+  - `ExportIdentity` RPC method
 
 ## [2.0.3] - 2024-02-06
 ### Changed

packages/connector/README.md

@@ -42,6 +42,13 @@ createIdentity(): Promise<string>
 ```
 Returns DID.
 
+### Export identity
+To export your identity you need to call this method:
+```typescript
+ExportIdentity(): Promise<string>
+```
+Show Your identity private key in metamask dialog.
+
 ### Save Verifiable Credentials
 To save Verifiable Credentials you need to call this method with params:
 ```typescript

packages/connector/src/methods.ts

@@ -126,3 +126,12 @@ export const getCredentials = async function (
     this.snapId,
   );
 };
+
+export const exportIdentity = async function (
+  this: MetamaskSnap,
+): Promise<void> {
+  return await sendSnapMethod(
+    { method: RPCMethods.ExportIdentity },
+    this.snapId,
+  );
+};

packages/connector/src/snap.ts

@@ -7,6 +7,7 @@ import {
   getCredentials,
   checkCredentialExistence,
   removeCredentials,
+  exportIdentity,
 } from './methods';
 
 export class MetamaskSnap {
@@ -25,6 +26,7 @@ export class MetamaskSnap {
       checkStateContractSync: checkStateContractSync.bind(this),
       getCredentials: getCredentials.bind(this),
       checkCredentialExistence: checkCredentialExistence.bind(this),
+      exportIdentity: exportIdentity.bind(this),
     };
   };
 }

packages/connector/src/types.ts

@@ -15,6 +15,7 @@ export enum RPCMethods {
   CreateProof = 'create_proof',
   CheckStateContractSync = 'check_state_contract_sync',
   GetCredentials = 'get_credentials',
+  ExportIdentity = 'export_identity',
 }
 
 export type SaveCredentialsResponse = Pick<W3CCredential, 'type'> &
@@ -35,6 +36,7 @@ export type SnapConnector = {
   checkCredentialExistence(
     params: CheckCredentialExistenceRequestParams,
   ): Promise<SaveCredentialsResponse[]>;
+  exportIdentity(): Promise<void>;
 };
 
 export type GetSnapsResponse = {

packages/snap/README.md

@@ -15,6 +15,18 @@ await window.ethereum.request({
 });
 ```
 
+### Export identity
+To export an identity you need to call this method:
+```javascript
+await window.ethereum.request({
+  method: 'wallet_invokeSnap',
+  params: {
+  snapId: 'snapId',
+    request: { method: 'export_identity' },
+  },
+});
+```
+
 ### Save Verifiable Credentials
 To save Verifiable Credentials you need to call this method with params:
 ```javascript

packages/snap/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/rarimo/rarime.git"
   },
   "source": {
-    "shasum": "EIrkj4xYKTrYUvN7OBR5gyFBFK8+QBrpuGYIjNmk3GU=",
+    "shasum": "NIhA12lav6/aMeUbLmleCW90iyCfyPXinWkXx1ehBgk=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/snap/src/config.ts

@@ -89,12 +89,12 @@ export const SUPPORTED_CHAINS: Record<number, ChainInfo> = {
   },
 };
 
-export const GET_CREDENTIALS_SUPPORTED_HOSTNAMES = [
+export const HOSTNAMES_WHITELIST = [
   // Local
   'localhost',
   // Staging
   'dashboard.stage.rarime.com',
-  'app.staging.rarime.com',
+  'app.stage.rarime.com',
   // Production
   'dashboard.rarime.com',
   'app.rarime.com',

packages/snap/src/helpers/common-helpers.ts

@@ -1,5 +1,5 @@
 import { providers } from 'ethers';
-import { config, SUPPORTED_CHAINS } from '../config';
+import { config, HOSTNAMES_WHITELIST, SUPPORTED_CHAINS } from '../config';
 import { ChainInfo } from '../types';
 
 export const getChainInfo = (chainId: number): ChainInfo => {
@@ -38,6 +38,10 @@ export const getHostname = (origin: string): string => {
   return new URL(origin).hostname;
 };
 
+export const isOriginInWhitelist = (origin: string) => {
+  return HOSTNAMES_WHITELIST.includes(getHostname(origin));
+};
+
 export const uniqBy = (arr: any[], predicate: string) => {
   return [
     ...arr

packages/snap/src/index.ts

@@ -31,10 +31,10 @@ import {
   checkIfStateSynced,
   getClaimIdFromVCId,
   getCoreOperationByIndex,
-  getHostname,
   getProviderChainInfo,
   getRarimoCoreUrl,
   isDidSupported,
+  isOriginInWhitelist,
   loadDataFromRarimoCore,
   migrateVCsToLastCeramicModel,
   parseDidV2,
@@ -45,7 +45,6 @@ import {
   isValidCreateProofRequest,
   isValidSaveCredentialsOfferRequest,
 } from './typia-generated';
-import { GET_CREDENTIALS_SUPPORTED_HOSTNAMES } from './config';
 
 export const onRpcRequest = async ({
   request,
@@ -429,7 +428,7 @@ export const onRpcRequest = async ({
     }
 
     case RPCMethods.GetCredentials: {
-      if (!GET_CREDENTIALS_SUPPORTED_HOSTNAMES.includes(getHostname(origin))) {
+      if (!isOriginInWhitelist(origin)) {
         throw new Error('This origin does not have access to credentials');
       }
 
@@ -438,6 +437,31 @@ export const onRpcRequest = async ({
       return await vcManager.getAllDecryptedVCs();
     }
 
+    case RPCMethods.ExportIdentity: {
+      if (!isOriginInWhitelist(origin)) {
+        throw new Error('This origin does not have access to export identity');
+      }
+
+      const identityStorage = await getItemFromStore(StorageKeys.identity);
+
+      if (!identityStorage.privateKeyHex) {
+        throw new Error('Identity not created');
+      }
+
+      return snap.request({
+        method: 'snap_dialog',
+        params: {
+          type: 'alert',
+          content: panel([
+            heading('Your RariMe private key'),
+            divider(),
+            text('Сopy:'),
+            copyable(identityStorage.privateKeyHex),
+          ]),
+        },
+      });
+    }
+
     default:
       throw new Error('Method not found.');
   }