Write method for Consumer Dummy to Blockchain

[jaRulez]

User Story

• As a Developer,
• I want to write a method for the Consumer Dummy,
• to submit messages from the GUI to the Blockchain.

Acceptance Criteria

• Messages are submitted from GUI to Blockchain via Consumer Dummy
• Write Tests to demonstrate the message flow

Definition of Done

Feature Code Review has been completed and passed
a) Code is completly implemented
b) Code is structured according to our coding guidelines and commented
c) Code is checked into repository
d) Documentation is updated
Cleanliness of Code
JUnit Tests have been written and passed (if required)
No critical bugs are open
Feature branch has been tagged and merged
Feature Code has been included into the release (candidate)
Product Owners accept Feature