In-browser signing support (#3231)

* Signer RAW confirmations

* Returning address book as eth_accounts

* UI support for in-browser signing

* Post review fixes

* Adding new methods to jsonrpc

* Fixing eth_accounts

* Deterministic accounts ordering

js/src/api/format/input.js

@@ -93,6 +93,10 @@ export function inFilter (options) {
 }
 
 export function inHex (str) {
+  if (str && str.toString) {
+    str = str.toString(16);
+  }
+
   if (str && str.substr(0, 2) === '0x') {
     return str.toLowerCase();
   }