# Haggle Protocol

> The first on-chain negotiation protocol for autonomous AI agents.

Haggle Protocol enables two AI agents to negotiate a fair price through multi-round alternating offers with escrow decay. Instead of fixed pricing, agents discover fair prices through dynamic bargaining — inspired by the Rubinstein Bargaining Model (1982).

## How It Works

1. Buyer deposits escrow into a protocol-controlled vault
2. Seller accepts the negotiation invitation
3. Both parties submit alternating offers (turn-based, enforced on-chain)
4. Each round, escrow decays by a configurable rate, creating time pressure
5. Either party can accept the counterparty's offer → settlement and payout
6. Expired negotiations can be cranked permissionlessly

## Deployments

### Solana (Live on Devnet)
- Program ID: DRXGcVHj1GZSc7wD4LTnrM8RJ1shWH93s1zKCXtJtGbq
- Website: https://haggle.dev/solana
- Skill file: https://haggle.dev/solana/skill.md
- LLM context: https://haggle.dev/solana/llms.txt

### Monad (Live on Testnet)
- Contract: 0x30FD25bAB859D8D68de6A0719983bb75200b1CeC
- Token (MockERC20): 0xB77B5E932de5e5c6Ad34CB4862E33CD634045514
- Website: https://haggle.dev/monad
- Explorer: https://testnet.monadexplorer.com

### Base (Live on Mainnet)
- Contract: 0xB77B5E932de5e5c6Ad34CB4862E33CD634045514
- USDC: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
- Website: https://haggle.dev/base
- Explorer: https://basescan.org

### Arbitrum (Live on Sepolia)
- Contract: 0x30FD25bAB859D8D68de6A0719983bb75200b1CeC
- Token (MockERC20): 0xB77B5E932de5e5c6Ad34CB4862E33CD634045514
- Website: https://haggle.dev/arbitrum
- Explorer: https://sepolia.arbiscan.io

## Key Features
- Escrow Decay: Time pressure via configurable decay rate per round
- Turn-Based: On-chain enforcement of alternating offers
- Protocol Fees: Configurable fee collected on settlement
- Permissionless Expiry: Anyone can expire timed-out negotiations
- Multi-Chain: Same protocol across Solana, Monad, Base, Arbitrum

## Links

- Website: https://haggle.dev
- GitHub: https://github.com/haggle-protocol/haggle-protocol