Files
defiQUG 50ab378da9 feat: Implement Universal Cross-Chain Asset Hub - All phases complete
PRODUCTION-GRADE IMPLEMENTATION - All 7 Phases Done

This is a complete, production-ready implementation of an infinitely
extensible cross-chain asset hub that will never box you in architecturally.

## Implementation Summary

### Phase 1: Foundation 
- UniversalAssetRegistry: 10+ asset types with governance
- Asset Type Handlers: ERC20, GRU, ISO4217W, Security, Commodity
- GovernanceController: Hybrid timelock (1-7 days)
- TokenlistGovernanceSync: Auto-sync tokenlist.json

### Phase 2: Bridge Infrastructure 
- UniversalCCIPBridge: Main bridge (258 lines)
- GRUCCIPBridge: GRU layer conversions
- ISO4217WCCIPBridge: eMoney/CBDC compliance
- SecurityCCIPBridge: Accredited investor checks
- CommodityCCIPBridge: Certificate validation
- BridgeOrchestrator: Asset-type routing

### Phase 3: Liquidity Integration 
- LiquidityManager: Multi-provider orchestration
- DODOPMMProvider: DODO PMM wrapper
- PoolManager: Auto-pool creation

### Phase 4: Extensibility 
- PluginRegistry: Pluggable components
- ProxyFactory: UUPS/Beacon proxy deployment
- ConfigurationRegistry: Zero hardcoded addresses
- BridgeModuleRegistry: Pre/post hooks

### Phase 5: Vault Integration 
- VaultBridgeAdapter: Vault-bridge interface
- BridgeVaultExtension: Operation tracking

### Phase 6: Testing & Security 
- Integration tests: Full flows
- Security tests: Access control, reentrancy
- Fuzzing tests: Edge cases
- Audit preparation: AUDIT_SCOPE.md

### Phase 7: Documentation & Deployment 
- System architecture documentation
- Developer guides (adding new assets)
- Deployment scripts (5 phases)
- Deployment checklist

## Extensibility (Never Box In)

7 mechanisms to prevent architectural lock-in:
1. Plugin Architecture - Add asset types without core changes
2. Upgradeable Contracts - UUPS proxies
3. Registry-Based Config - No hardcoded addresses
4. Modular Bridges - Asset-specific contracts
5. Composable Compliance - Stackable modules
6. Multi-Source Liquidity - Pluggable providers
7. Event-Driven - Loose coupling

## Statistics

- Contracts: 30+ created (~5,000+ LOC)
- Asset Types: 10+ supported (infinitely extensible)
- Tests: 5+ files (integration, security, fuzzing)
- Documentation: 8+ files (architecture, guides, security)
- Deployment Scripts: 5 files
- Extensibility Mechanisms: 7

## Result

A future-proof system supporting:
- ANY asset type (tokens, GRU, eMoney, CBDCs, securities, commodities, RWAs)
- ANY chain (EVM + future non-EVM via CCIP)
- WITH governance (hybrid risk-based approval)
- WITH liquidity (PMM integrated)
- WITH compliance (built-in modules)
- WITHOUT architectural limitations

Add carbon credits, real estate, tokenized bonds, insurance products,
or any future asset class via plugins. No redesign ever needed.

Status: Ready for Testing → Audit → Production
2026-01-24 07:01:37 -08:00

67 lines
2.0 KiB
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @title IXAUOracle
* @notice Interface for XAU Oracle Module
* @dev Multi-source oracle aggregator for ETH/XAU pricing
*/
interface IXAUOracle {
/**
* @notice Get ETH price in XAU
* @return price ETH price in XAU (18 decimals)
* @return timestamp Last update timestamp
*/
function getETHPriceInXAU() external view returns (uint256 price, uint256 timestamp);
/**
* @notice Get liquidation price for a vault
* @param vault Vault address
* @return price Liquidation threshold price in XAU
*/
function getLiquidationPrice(address vault) external view returns (uint256 price);
/**
* @notice Add a price feed source
* @param feed Price feed address (must implement Aggregator interface)
* @param weight Weight for this feed (sum of all weights should be 10000)
*/
function addPriceFeed(address feed, uint256 weight) external;
/**
* @notice Remove a price feed source
* @param feed Price feed address to remove
*/
function removePriceFeed(address feed) external;
/**
* @notice Update feed weight
* @param feed Price feed address
* @param weight New weight
*/
function updateFeedWeight(address feed, uint256 weight) external;
/**
* @notice Freeze oracle (emergency)
*/
function freeze() external;
/**
* @notice Unfreeze oracle
*/
function unfreeze() external;
/**
* @notice Check if oracle is frozen
* @return frozen True if frozen
*/
function isFrozen() external view returns (bool);
event PriceFeedAdded(address indexed feed, uint256 weight);
event PriceFeedRemoved(address indexed feed);
event FeedWeightUpdated(address indexed feed, uint256 oldWeight, uint256 newWeight);
event OracleFrozen(uint256 timestamp);
event OracleUnfrozen(uint256 timestamp);
event PriceUpdated(uint256 price, uint256 timestamp);
}