Smart Contract Enhancement: Add view function for historical allowance checks

[p3ris0n]

Category: Blockchain / Smart Contract Development

Objective: Implement Add view function for historical allowance checks in the core contracts.

Detailed Description: Enhance the contract capabilities by implementing: Add view function for historical allowance checks. Ensure it adheres to the existing crate structure and includes necessary event emissions.

Acceptance Criteria:

• Code must compile with cargo build --target wasm32-unknown-unknown.
• Must pass cargo clippy without warnings.
• Must include unit tests.

Technical Requirements: Rust, Soroban SDK

Deliverables:

• Contract source code updates
• Tests for the new feature

Testing Requirements:

• Run cargo test and cargo fmt.
• Deploy to Testnet locally and verify invocation.

Estimated Difficulty: Advanced

Points: 200

[iwayemi5]

@iwayemi5 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I would like to work on this issue as I have reviewed the scope, I should have a PR Ready in 50 minutes.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @iwayemi5 to this issue.