add bcservice

server/web3service/controllers/bcservice.js

@@ -0,0 +1,47 @@
+const ethUtil = require('ethereumjs-util');
+const sigUtil = require('@metamask/eth-sig-util');
+
+const app = require('j7/app');
+
+async function authVerifySignature(session) {
+  try {
+    const msgParams = {
+      types: {
+        EIP712Domain: [
+          { name: 'name', type: 'string' },
+          { name: 'version', type: 'string' },
+        ],
+        set: [
+          { name: 'tips', type: 'string' },
+          { name: 'nonce', type: 'string' },
+        ]
+      },
+      primaryType: 'set',
+      domain: {
+        name: 'Auth',
+        version: '1',
+      },
+      message: {
+        tips: session.request('tips'),
+        nonce: session.request('nonce')
+      }
+    };
+    const recovered = sigUtil.recoverTypedSignature(
+      {data:
+       msgParams,
+       signature: session.request('signature'),
+       version: 'V4'});
+    session.rspData(
+      {
+        'recovered': recovered
+      });
+  } catch (err) {
+    session.rspErr(1, err);
+  }
+}
+
+function init() {
+  app.registerHandler('BcService', 'authVerifySignature', authVerifySignature);
+}
+
+exports.init = init;

server/web3service/controllers/factory.js

@@ -8,6 +8,7 @@ function add(name) {
 async function init() {
   add('jwt');
   add('metamask_jwt');
+  add('bcservice');
 }
 
 exports.init = init;