Implement batch functionality in the position handler for fulfil actions

[PaulGregoryBaker]

Goal:

As a development team working on mojaloop transfer performance enhancement
I want to Implement the transfer batching design in the position handler for the fulfil action
so that I get the performance benefit of batching

Acceptance Criteria:

• Verify that the batch is designed for the position handler as defined in story Fix the transfer batching design for the position handler #3488 for the following actions
  • fulfil
• Verify that the position handler characterisation is performed with the batch functionality implemented
• Verify that the happy path functional tests pass
• Verify that unit test are in place
• Build integration test for negative scenarios for the following actions
  • fulfil

Complexity: <High|Medium|Low> > A short comment to remind the reason for the rating

Uncertainty: <High|Medium|Low> > A short comment to remind the reason for the rating

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Tasks:

• Add fulfil domain logic
• Add unit tests
• Add integration tests
• Smoke test in test harness
• Characterize new batch functionality
• Add reserve logic and tests

Done

• Acceptance Criteria pass
• Designs are up-to date
• Unit Tests pass
• Integration Tests pass
• Code Style & Coverage meets standards
• Changes made to config (default.json) are broadcast to team and follow-up tasks added to update helm charts and other deployment config.
• TBD

Pull Requests:

• TBD

Follow-up:

• N/A

Dependencies:

• N/A

Accountability:

• Owner: TBC
• QA/Review: TBC

[PaulGregoryBaker]

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