Fix TxViewer when no to (contract deployment) (#4847)

* Added React Hot Reload to dapps + TokenDeplpoy fix

* Fixes to the LocalTx dapp

* Don't send the nonce for mined transactions

* Don't encode empty to values for options

js/src/api/format/input.js

@@ -143,8 +143,15 @@ export function inOptions (options) {
   if (options) {
     Object.keys(options).forEach((key) => {
       switch (key) {
-        case 'from':
         case 'to':
+          // Don't encode the `to` option if it's empty
+          // (eg. contract deployments)
+          if (options[key]) {
+            options[key] = inAddress(options[key]);
+          }
+          break;
+
+        case 'from':
           options[key] = inAddress(options[key]);
           break;
 

js/src/api/format/input.spec.js

@@ -208,6 +208,13 @@ describe('api/format/input', () => {
       });
     });
 
+    it('does not encode an empty `to` value', () => {
+      const options = { to: '' };
+      const formatted = inOptions(options);
+
+      expect(formatted.to).to.equal('');
+    });
+
     ['gas', 'gasPrice', 'value', 'minBlock', 'nonce'].forEach((input) => {
       it(`formats ${input} number as hexnumber`, () => {
         const block = {};