Allow setting of minBlock on sending (#3921)

* minBlock value formatting

* Allow Contract execute to specify minBock

* Transfer allows minBlock

* Cleanups

* Check errors, verify via testing

* Display Submitted/Submission block in MethodDecoding

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

@@ -204,7 +204,7 @@ describe('api/format/input', () => {
       });
     });
 
-    ['gas', 'gasPrice', 'value', 'nonce'].forEach((input) => {
+    ['gas', 'gasPrice', 'value', 'minBlock', 'nonce'].forEach((input) => {
       it(`formats ${input} number as hexnumber`, () => {
         const block = {};
         block[input] = 0x123;
@@ -214,6 +214,10 @@ describe('api/format/input', () => {
       });
     });
 
+    it('passes minBlock as null when specified as such', () => {
+      expect(inOptions({ minBlock: null })).to.deep.equal({ minBlock: null });
+    });
+
     it('ignores and passes through unknown keys', () => {
       expect(inOptions({ someRandom: 'someRandom' })).to.deep.equal({ someRandom: 'someRandom' });
     });