InvoiceFi-Stellar good first issues (TypeScript)

Cross-contract authorization audit: settlement → financing-pool → invoice call chain 22 days ago

help wanted security smart-contract audit

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

settle_invoice multi-auth threshold bypass: enumerate and close partial-quorum attack paths 23 days ago

help wanted security smart-contract audit

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Architecture Decision Records (ADRs) for all major design choices made to date 23 days ago

documentation help wanted architecture

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Off-chain crop yield verification pipeline with cryptographic attestation bound to invoice IDs 24 days ago

help wanted security Maybe Rewarded GrantFox OSS oracle backend needs-design-review Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Implement fuzz testing harness for invoice minting and financing state machine about 1 month ago

help wanted testing security smart-contract needs-design-review

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Blockchain-anchored audit log using Stellar manage_data operations and Merkle proofs about 2 months ago

help wanted security Maybe Rewarded GrantFox OSS backend compliance Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Idempotency layer for all critical financial API endpoints using database-level locking 2 months ago

help wanted security Maybe Rewarded GrantFox OSS backend api Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Implement property-based fuzz harness for invoice/src/lib.rs state machine transitions 2 months ago

help wanted testing security Maybe Rewarded GrantFox OSS smart-contract Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Implement idempotency keys for POST /financing-pool/fund to prevent double-funding on network retry 2 months ago

help wanted Maybe Rewarded GrantFox OSS backend api reliability Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Complete SorobanService implementation: stellar-sdk integration with full XDR encoding and typed error mapping 2 months ago

help wanted Maybe Rewarded GrantFox OSS backend api stellar Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Design and implement multi-source price feed aggregator oracle contract for invoice denomination 2 months ago

help wanted Maybe Rewarded GrantFox OSS smart-contract oracle needs-design-review Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Design crop-yield data ingestion pipeline: multi-source adapter interface and stub implementations 2 months ago

help wanted Maybe Rewarded GrantFox OSS oracle backend needs-design-review Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Event-sourced audit trail for invoice lifecycle: append-only invoice_events table and history endpoint 2 months ago

help wanted Maybe Rewarded GrantFox OSS backend database audit Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Stellar transaction submission reliability: fee-bump retry, sequence locking, and result classification 2 months ago

help wanted Maybe Rewarded GrantFox OSS backend stellar reliability Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Rate-limit middleware: per-wallet and per-IP sliding-window tiers with Redis backing 2 months ago

help wanted security Maybe Rewarded GrantFox OSS backend performance Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Transaction simulation preview before Freighter signing: dry-run with fee and impact display 2 months ago

help wanted Maybe Rewarded GrantFox OSS frontend ux wallet Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Validate zero-downtime expand/contract migration pattern end-to-end with Docker test harness 2 months ago

help wanted devops Maybe Rewarded GrantFox OSS backend database Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Real-time invoice status updates in farmer dashboard via WebSocket subscription 2 months ago

help wanted Maybe Rewarded GrantFox OSS frontend realtime ux Third Campaign

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Bounded arithmetic audit and checked-math enforcement across all Soroban contracts 3 months ago

help wanted security Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Circuit breaker and emergency pause mechanism with user-exit guarantees 3 months ago

help wanted security Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Oracle liveness monitoring service with automated fallback strategy and alerting 3 months ago

help wanted devops Maybe Rewarded GrantFox OSS oracle backend Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Backend unit and integration test coverage from <40% to >80% with mutation testing gate 3 months ago

help wanted testing Maybe Rewarded GrantFox OSS backend Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Multi-wallet support: Freighter, xBull, Lobstr, and WalletConnect adapter abstraction 3 months ago

help wanted Maybe Rewarded GrantFox OSS frontend wallet-ux Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Farmer mobile onboarding flow with progressive disclosure and low-bandwidth optimization 3 months ago

help wanted Maybe Rewarded GrantFox OSS frontend wallet-ux accessibility Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Transaction simulation and preview UI before Freighter signing using Soroban simulation RPC 3 months ago

help wanted Maybe Rewarded GrantFox OSS smart-contract frontend wallet-ux Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Event-sourcing architecture for invoice lifecycle audit trail with append-only event store 3 months ago

help wanted Maybe Rewarded GrantFox OSS backend architecture needs-design-review Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

End-to-end test suite for the full invoice credit lifecycle using Playwright against a local Soroban stack 3 months ago

help wanted testing Maybe Rewarded GrantFox OSS backend frontend Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Contract upgrade regression test suite: deploy v1, migrate to v2, verify all state invariants hold 3 months ago

help wanted testing Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Accessibility audit and remediation for financial data tables and invoice creation forms (WCAG 2.1 AA) 3 months ago

help wanted Maybe Rewarded GrantFox OSS frontend accessibility Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Container security hardening: non-root users, read-only filesystems, and image vulnerability scanning in CI 3 months ago

help wanted devops security Maybe Rewarded GrantFox OSS Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Contributor onboarding guide: local environment setup, contract dev loop, and first-issue walkthrough 3 months ago

documentation help wanted Maybe Rewarded GrantFox OSS Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Contract integration test harness covering all state machine transitions and edge cases 3 months ago

help wanted testing Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Replay attack prevention and application-level idempotency for all Soroban entry points 3 months ago

help wanted security Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Safe contract upgrade and storage migration path for all three Soroban contracts 3 months ago

help wanted security Maybe Rewarded GrantFox OSS smart-contract needs-design-review Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Role-based access control with multisig admin support across all contracts 3 months ago

help wanted security Maybe Rewarded GrantFox OSS smart-contract Official Campaign | FWC26

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Reentrancy and cross-contract call audit for the full settlement flow 3 months ago

help wanted security smart-contract audit

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Zero-downtime database migration strategy using expand-contract pattern with CI validation 3 months ago

help wanted devops backend database

Nova-reward/InvoiceFi-Stellar

2

StellarReceivables is a harvest invoice financing protocol on Stellar that enables smallholder farmers to tokenize future crop yields and access instant working capital from DeFi liquidity providers using Soroban smart contracts.

TypeScript

Nova-reward/InvoiceFi-Stellar

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