[SDK · Transaction builders] Implement buildSetOptionsOp() helper

[amina69]

Epic: Transaction builders
Labels: tx, types, security, sdk
Size: S (~1 day)

Description

Build a SetOptions operation for configuring signers and thresholds on an account.

Tasks

• Accept {signers?:{publicKey,weight}[], thresholds?:{low,medium,high}, masterWeight?}
• Build Stellar SDK SetOptions operation
• Validate all signer public keys
• Support adding and removing signers (weight=0 removes)
• Export from src/transactions/builder.ts
• Unit test: add signer, remove signer, set thresholds, mixed operation

[Yusufolosun]

@Yusufolosun has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Good day Maintainer
I would love to take on this issue, I've reviewed the issue description and I can implement a maintainable solution fast.
I'm active and i respond and react to feedback fast

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

[drips-wave]

Congratulations, @Yusufolosun! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @Yusufolosun: 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

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been marked as completed by a Drips Wave moderator for @Yusufolosun as part of the Stellar Wave Program's 3rd Wave 🥳

Moderator's reason: [Auto-assessed] The contributor successfully implemented the buildSetOptionsOp helper with full validation and unit tests as requested. PR #143 has been merged by maintainers, and although the issue remains open, the work is completed and accepted.

😎 @Yusufolosun: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.

ℹ️ Note: This issue was marked complete via moderation. Points were issued even though the GitHub issue remains open.