feat: Phase 1 IBC Eureka Integration#17
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…nConstraints Adds user-controlled preferences for: - Asset delivery (native only, bridged, or any equivalent) - Settlement optimization (cost vs latency) - Maximum settlement time constraint Part of Phase 1 Eureka integration. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Security fix: asset_preference, settlement_preference, and max_settlement_secs are now included in Intent signing hash to prevent tampering. Also fixes clippy warnings by using derive(Default) with #[default] attribute. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add IBC Eureka support to settlement layer: - EurekaDirection enum (CosmosToEthereum, EthereumToCosmos) - Eureka variant in IbcFlowType - 5x timeout multiplier for ZK proof generation - build_eureka_memo helper for Eureka-specific transfers 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add cross-ecosystem types for Phase 1 Eureka integration: - Ecosystem enum (Cosmos, Ethereum, Near) - EurekaDirection, OmnibridgeDirection for bridge routing - SettlementPath with estimated time/cost helpers 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds ecosystem metadata to solver solutions: - SolutionMetadata struct with settlement path info - Helper constructors for Cosmos IBC and Eureka - Optional metadata field on Solution for backwards compatibility - Updated existing Solution constructors with metadata: None 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add Eureka API integration to Skip Go client: - EurekaRouteRequest/Response types - is_ethereum_chain helper - get_eureka_quote method for Ethereum ↔ Cosmos quotes - EurekaQuote type with time/cost estimates 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add #[allow(dead_code)] to API response structs for deserialization - Make Asset struct public for public API - Fix unused parameter warnings - Replace manual modulo check with is_multiple_of() - Simplify network assignment in cex withdraw 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Implements Solver trait for cross-ecosystem liquidity via IBC Eureka: - EurekaSolver with Skip Go integration - Asset preference checking (native vs bridged delivery) - Settlement time constraint validation - Cross-ecosystem execution metadata 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add IBC Eureka routes for Ethereum connectivity: - cosmoshub-4 ↔ ethereum-1 direct Eureka routes - ethereum-1 → osmosis-1 via Hub (Eureka + IBC) - is_eureka() helper method on Route Also fix clippy warnings in settlement crate: - Replace or_insert_with(Vec::new) with or_default() - Replace redundant closures with associated function refs - Replace cloned slice with std::slice::from_ref 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Integration tests for EurekaSolver: - Solver setup and configuration - Constraint validation (AssetPreference) - Time constraint validation (max_settlement_secs) - Capacity queries - Cross-ecosystem rejection tests - Health check verification - Live quote test (ignored by default, requires network) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Export new modules and types: - types: ecosystem module (Ecosystem, SettlementPath, etc.) - already present - solver: eureka module (EurekaSolver) - already present - settlement: EurekaDirection, build_eureka_memo - added 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Apply cargo fmt formatting to ecosystem.rs, execution.rs, ibc.rs, adversarial_signature_tests.rs - Fix unused variable warnings in denom.rs and fees.rs tests 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Apply formatting fixes and resolve clippy warnings: - Add #[allow(clippy::too_many_arguments)] for functions with many params - Add #[allow(dead_code)] for unused but intended-for-future functions - Use idiomatic Rust patterns (or_default, is_err, range contains) - Remove needless borrows 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Design document covering: - Ethereum → Cosmos escrow via IBC Eureka - Solver fronting with settlement risk - Eureka packet monitoring - Risk pricing and bond calculations - Settlement contract changes This enables ETH users to participate in atom-intents auctions with solvers taking on Eureka settlement risk. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Changes
Types (
crates/types)Settlement (
crates/settlement)Solver (
crates/solver)get_eureka_quote()Test Plan
-D warningsDesign Docs
docs/plans/2026-01-05-unified-cross-ecosystem-design.md- Architecture designdocs/plans/2026-01-05-phase1-eureka-integration.md- Implementation plandocs/plans/2026-01-05-phase2-ethereum-escrow-design.md- Future: ETH user escrow flowFuture Work (Phase 2)
Phase 2 will enable Ethereum users to escrow funds via Eureka, with solvers fronting Cosmos-side funds and taking settlement risk.
🤖 Generated with Claude Code