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DataHaven AVS Smart Contracts

Implements the Actively Validated Service (AVS) logic for DataHaven, secured by EigenLayer. These contracts manage operator registration, handle cross-chain rewards via Snowbridge, and enforce slashing with a veto period.

Project Structure

contracts/
├── src/
│   ├── DataHavenServiceManager.sol   # Core AVS service manager
│   ├── middleware/                   # RewardsRegistry, Snowbridge helpers
│   ├── interfaces/                   # Contract interfaces
│   └── libraries/                    # Utility libraries
├── script/                           # Deployment & setup scripts
├── lib/                              # External dependencies (EigenLayer, Snowbridge, OpenZeppelin)
└── test/                             # Foundry test suites

Key Components

  • DataHavenServiceManager (src/DataHavenServiceManager.sol): Core contract for operator lifecycle; inherits ServiceManagerBase.
  • RewardsRegistry (src/middleware/RewardsRegistry.sol): Tracks validator performance and distributes rewards via Snowbridge.

Development

Requires Foundry.

# Build and Test
forge build
forge test

# Regenerate TS bindings (after contract changes)
cd ../test && bun generate:wagmi

Configuration

Deployment parameters (EigenLayer addresses, initial validators, owners) are defined in contracts/config/<network>.json.

  • Do not edit Config.sol or DeployParams.s.sol directly; they only load the JSON.
  • Ensure contracts/config/hoodi.json matches your target environment before deploying.

Deployment

Two deployment paths exist: Local (Anvil) and Testnet (Hoodi). Both install the DataHaven AVS contracts (ServiceManager, RewardsRegistry) and Snowbridge (BeefyClient, Gateway, Agent). They differ in EigenLayer setup:

Local (Anvil)

DeployLocal.s.sol bootstraps a full EigenLayer core deployment (DelegationManager, StrategyManager, AVSDirectory, etc.) alongside DataHaven AVS and Snowbridge.

anvil
forge script script/deploy/DeployLocal.s.sol --rpc-url anvil --broadcast

Testnet (Hoodi)

DeployTestnet.s.sol references existing EigenLayer contracts (addresses from contracts/config/<network>.json) and only deploys DataHaven AVS + Snowbridge.

NETWORK=hoodi forge script script/deploy/DeployTestnet.s.sol \
  --rpc-url hoodi \
  --private-key $PRIVATE_KEY \
  --broadcast

Supported networks: hoodi (no mainnet config yet). Artifacts → contracts/deployments/<network>.json.

How It Works

  1. Registration: Validators register with EigenLayer via DataHavenServiceManager.
  2. Performance Tracking: DataHaven computes reward points and sends a Merkle root to RewardsRegistry on Ethereum via Snowbridge.
  3. Rewards Claims: Validators claim rewards on Ethereum from RewardsRegistry using Merkle proofs.
  4. Slashing: Misbehavior triggers slashing (subject to veto period).

See test/README.md for full network integration tests.