Add fuzz targets with cargo-fuzz or proptest

[EmmanuelOchaje]

Context

There is no fuzzing.

Task

• Add proptest on price/cap math and state transitions

Acceptance criteria

• Runs in CI on a short budget

This issue is self-contained and can be picked up independently of any other open issue.

[oladejobenjamin-hash]

@oladejobenjamin-hash has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hi maintainer, I am confident that I can resolve this issue before 24hrs if assigned to me because I have the technical expertise to resolve it.

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

[Vhickcrypt150-pixel]

@Vhickcrypt150-pixel has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Good morning Maintainer, After going through the issue and its requirements, I’m confident I can implement the requested changes while following the expected design and acceptance criteria. I’d appreciate the opportunity to work on it.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Vhickcrypt150-pixel to this issue.

[Stanley-Owoh]

@Stanley-Owoh has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Good day maintainer please i would like to work on this issue
I can work on this immediately with positive results please assign it to me. Thank you

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

[omoniyiadebayo12goal-crypto]

@omoniyiadebayo12goal-crypto has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hello Maintainer, I have carefully reviewed the acceptance criteria. I would appreciate the opportunity to contribute to this task.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @omoniyiadebayo12goal-crypto to this issue.

[pleasureiliya69-ops]

@pleasureiliya69-ops has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

I would like to work on this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @pleasureiliya69-ops to this issue.

[UUUpbeat]

@UUUpbeat has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hi! This is my first time contributing through Drips, and I'd really appreciate the opportunity. I'd add a small proptest or fuzzing suite around the contract's main invariants and edge cases.

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

[Be4emmanuel]

@Be4emmanuel has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

I would love to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Be4emmanuel to this issue.

[chukwuebuka19]

@chukwuebuka19 has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

let me take this off you plate ASAP

ℹ️ Repo Maintainers: To accept this application, review their application or assign @chukwuebuka19 to this issue.

[Alaka-ibr]

@Alaka-ibr has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hi maintainer, will appreciate you letting me work on this.

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

[drips-wave]

Congratulations, @Alaka-ibr! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on September 30, 2026.

🧑‍💻 @Alaka-ibr: 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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