zendvolabs/zendvo

Task 20: Add an admin-controlled circuit breaker that pauses new deposits while still allowing withdrawals. 11 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 07: Implement the savings data model that tracks each user's principal separately from their earned yield. 11 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 10: Scaffold a wrapper interface that will route idle savings into external yield protocols like Blend or an AMM. 11 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 18: Add a mechanism for the admin to collect accumulated platform fees into a treasury wallet. 11 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 04: Implement the claim function so recipients can withdraw a gift only after its unlock time has passed. 11 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 08: Build the savings deposit function so users can move USDC into their Zendvo savings balance. 18 days ago

help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 17: Let a sender redirect a pending gift to a new address if the original recipient loses wallet access. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 19: Add a standardized ledger timestamp to every emitted event so the backend can reconstruct history in order. 19 days ago

good first issue help wanted frontend Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 14: Enforce a minimum deposit amount on gifts and savings to stop the contract's storage from being spammed. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 16: Emit an on-chain event when the contract is initialized so the backend can detect deployment automatically. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 15: Add an admin-only upgrade function so the contract's bytecode can be updated without losing state. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 13: Cap how far in the future a gift's unlock time can be set, so funds can never be permanently trapped. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 12: Let users claim just their accumulated yield without touching their principal savings. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 11: Let the backend admin push calculated yield into individual users' savings accounts. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 03: Create the deposit function that lets a sender atomically lock USDC into a new time-locked gift. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 06: Let senders cancel an unclaimed gift and automatically refund their locked USDC. 19 days ago

help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 01: Define the gift contract's core struct and implement its secure admin initialization function. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 09: Build the savings withdrawal function so users can pull their principal back out at any time. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 05: Define a shared set of contract error codes so failures return actionable, specific reasons instead of generic panics. 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Task 02: Build the gift data model that stores sender, recipient, amount, and time-lock details on-chain 19 days ago

good first issue help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Locked Gifts Countdown List API about 2 months ago

good first issue Backend Maybe Rewarded GrantFox OSS Official Campaign

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Transaction History List API about 2 months ago

good first issue Backend Maybe Rewarded GrantFox OSS Official Campaign

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add a lint rule to enforce describe blocks in all Jest tests 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Bulk Gift Creation API: Allow sending the same amount to 10+ phone numbers at once 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add Jest unit test for the GiftLink generator utility 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add Swagger documentation for the /api/gifts/public endpoint 4 months ago

good first issue Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement In-App Notification Stream: POST /api/notifications/mark-read 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Push Notification Service stub (Firebase/OneSignal integration) 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Standardize Error Responses 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Create a Resource Cleanup Job to delete old notification logs 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Standardize Paginated Response helper for all list endpoints 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Webhook Retry Queue 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Paystack Webhook Handler 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add aria-live region for countdown timer 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Webhook Signature Verification 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Refund Service 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add currency_iso validation 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Stripe Checkout Session wrapper 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Create a Payment Summary Utility 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add a "Remember Me" toggle 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Automatic Currency Conversion 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Create a context-aware help tooltip to assist users during the Stellar Wallet connection phase. 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Fix color contrast on secondary "Disabled" buttons 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add aria-current to active sidebar link 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Audit and fix Focus Trapping in Create Gift modal 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Ensure all interactive elements have a minimum touch target size of 44x44px for easier mobile tapping. 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Timezone-aware Unlocks: Store unlock_at as UTC but allow display in sender's local TZ 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add min_gift_amount (e.g. 500 NGN) validation to the creation API 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add phone_last_4 field for semi-masked UI display 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement EscrowContract.create_gift call wrapper 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add blockchain_tx_hash index for external explorer linking 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Fund Verification: Verify that the payment was successful before recording the gift on-chain 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add is_phone_verified boolean to the users table 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Create a Gift Link Shortener Service: Map UUIDs to 6-character human-readable slugs 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Gift Status Lifecycle 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Gift Link Expiration: Set a valid_until date for the claim link itself 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add cover_image_id for custom gift wrap selection 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add short_code (8 chars) generator for public gift share links 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add is_anonymous boolean to allow senders to hide their identity 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Gift Recipient Lookup: Preview recipient name from phone number if they are already a user 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add message (max 500 chars) validation for gift notes 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add device_id field to the sessions table to track different client logins 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add unlock_at validation: Ensure the date is at least 1 hour in the future 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Create a Suspicious Activity Alert: Email admin when a user fails 20 OTPs across multiple phone numbers 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add X-RateLimit-Remaining header to all auth-related responses 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add X-Account-Type header to identify if the request is from a Sender or Recipient 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement GiftService.calculateFee: logic for Zendvo platform fee (e.g., 2%) 4 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Session Fingerprinting 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add currency field (default 'USDC') to the gifts table 4 months ago

good first issue help wanted

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement JWT Refresh Rotation: Issue a new refresh token on every successful refresh 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement OTPService.cleanup: Automatic deletion of expired OTP records from the DB 4 months ago

good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Zod Schema for E.164 Phone Validation 5 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Country Code Whitelist Logic 5 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Standardize JWT Claims (Include User Role) 5 months ago

good first issue help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Verify PhoneNumber Uniqueness Constraint 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Shimmer Effect for Locked Gift Cards 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Build "Gift Preview" Modal 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Brute Force Detection for OTPs 5 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement OTP Rate Limiting (Phone-based) 5 months ago

enhancement help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

verifyOTP Expiration Check (5-Minute Window) 5 months ago

enhancement help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement API for Session Revocation 5 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add last_otp_sent_at to Users Table 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Phone & OTP Input Validation (Sanitalization) 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add "Check Balance" Button 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Step-by-Step Creation Wizard 5 months ago

help wanted Stellar Wave returning contributors

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Implement Dynamic Currency Input 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Build Count Down Timer with Spinning Animation 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Add Confetti Explosion Effect 5 months ago

enhancement good first issue help wanted Stellar Wave

zendvolabs/zendvo

11

Stablecoin gifting platform built on Stellar

TypeScript

Open Issues Need Help