fix(utils): properly format ethrpc calls

* Add id and jsonrpc sendAsync keys for compatibility with Fortmatic for e.g.

BOOM offchain profiles with personal_sign and no metamask!

* Fix spacing!

* Change id to 0 and prettify

Author: ericjuta

src/utils/index.js

@@ -1,4 +1,4 @@
-const fetch = (typeof window !== 'undefined') ? window.fetch : require('node-fetch')
+const fetch = typeof window !== 'undefined' ? window.fetch : require('node-fetch')
 const Multihash = require('multihashes')
 const sha256 = require('js-sha256').sha256
 
@@ -9,15 +9,20 @@ module.exports = {
     var params = [msg, fromAddress]
     var method = 'personal_sign'
     return new Promise((resolve, reject) => {
-      ethereum.sendAsync({
-        method,
-        params,
-        fromAddress
-      }, function (err, result) {
-        if (err) reject(err)
-        if (result.error) reject(result.error)
-        resolve(result.result)
-      })
+      ethereum.sendAsync(
+        {
+          jsonrpc: '2.0',
+          id: 0,
+          method,
+          params,
+          fromAddress
+        },
+        function(err, result) {
+          if (err) reject(err)
+          if (result.error) reject(result.error)
+          resolve(result.result)
+        }
+      )
     })
   },
 
@@ -27,40 +32,47 @@ module.exports = {
     var params = [msg, fromAddress]
     var method = 'personal_sign'
     return new Promise((resolve, reject) => {
-      ethereum.sendAsync({
-        method,
-        params,
-        fromAddress
-      }, function (err, result) {
-        if (err) reject(err)
-        if (result.error) reject(result.error)
-        resolve(result.result)
-      })
+      ethereum.sendAsync(
+        {
+          jsonrpc: '2.0',
+          id: 0,
+          method,
+          params,
+          fromAddress
+        },
+        function(err, result) {
+          if (err) reject(err)
+          if (result.error) reject(result.error)
+          resolve(result.result)
+        }
+      )
     })
   },
 
   getLinkConsent: (fromAddress, toDID, ethereum) => {
-    const text = 'Create a new 3Box profile' +
-      '\n\n' +
-      '- \n' +
-      'Your unique profile ID is ' + toDID
+    const text = 'Create a new 3Box profile' + '\n\n' + '- \n' + 'Your unique profile ID is ' + toDID
     var msg = '0x' + Buffer.from(text, 'utf8').toString('hex')
     var params = [msg, fromAddress]
     var method = 'personal_sign'
     return new Promise((resolve, reject) => {
-      ethereum.sendAsync({
-        method,
-        params,
-        fromAddress
-      }, function (err, result) {
-        if (err) reject(err)
-        if (result.error) reject(result.error)
-        const out = {
-          msg: text,
-          sig: result.result
+      ethereum.sendAsync(
+        {
+          jsonrpc: '2.0',
+          id: 0,
+          method,
+          params,
+          fromAddress
+        },
+        function(err, result) {
+          if (err) reject(err)
+          if (result.error) reject(result.error)
+          const out = {
+            msg: text,
+            sig: result.result
+          }
+          resolve(out)
         }
-        resolve(out)
-      })
+      )
     })
   },