Implement swap payment in multiple currencies (USDC, EURC)

[fejilaup-cloud]

Category: Smart Contract - Feature
Priority: High
Estimated Time: 2 hours

Description:
Currently only XLM is supported. Add support for stablecoins.

Tasks:

• Add currency selection to swap initiation
• Implement multi-currency payment handling
• Add tests for each currency

[shogun444]

@shogun444 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

I'd love to work on this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @shogun444 to this issue.

[597226617]

Claiming this Bounty!

Claimer: 597226617
Time: 2026-04-01

I'd like to work on this multi-currency payment feature.

Plan:

1. Add currency selection UI (XLM, USDC, EURC)
2. Implement multi-currency swap handling in smart contract
3. Add comprehensive tests for each currency
4. Update documentation

ETA: 2-3 hours

Ready to start! 🚀