[TESTING] Write unit tests for Stellar public key validation utility

[dev-fatima-24]

Priority: high

Description

The Stellar public key validation utility is used across all endpoints. Unit tests should cover valid keys, invalid prefixes, wrong lengths, and non-base32 characters.

Acceptance Criteria

• Test: valid 56-char G-prefixed key returns true
• Test: key with wrong prefix (not G) returns false
• Test: key shorter than 56 chars returns false
• Test: key longer than 56 chars returns false
• Test: key with invalid base32 characters returns false

[eulami]

Hi. I would like to be assigned to fix this issue

[Tboy123-emm]

@Tboy123-emm has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

hello please i'd like to work on this issues

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Tboy123-emm to this issue.

[drips-wave]

Congratulations, @Tboy123-emm! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Tboy123-emm: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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