{
  "id": "amm-erc7984",
  "name": "AMM with ERC7984",
  "category": "openzeppelin",
  "difficulty": "advanced",
  "tags": ["AMM", "DEX", "liquidity", "ERC7984", "swap", "DeFi", "OpenZeppelin"],
  "description": "An Automated Market Maker (AMM) for confidential ERC7984 token swaps",
  "longDescription": "This advanced example implements a constant-product AMM (like Uniswap) for ERC7984 tokens. Liquidity providers can add/remove liquidity with confidential amounts. Traders can swap between token pairs while keeping their trade sizes private. The AMM uses encrypted reserves and computations.",
  "blocks": [
    {
      "id": "add-liquidity",
      "type": "function",
      "lines": [35, 60],
      "explanation": "Add liquidity to the pool with confidential token amounts. LP tokens are minted proportionally to the provided liquidity.",
      "searchTerms": ["liquidity", "add", "provide", "LP"]
    },
    {
      "id": "remove-liquidity",
      "type": "function",
      "lines": [65, 90],
      "explanation": "Remove liquidity by burning LP tokens. The withdrawn amounts are confidential.",
      "searchTerms": ["remove", "withdraw", "liquidity", "burn"]
    },
    {
      "id": "swap",
      "type": "function",
      "lines": [95, 130],
      "explanation": "Swap tokens using the constant product formula (x*y=k). The swap amount is encrypted, hiding trade size from observers.",
      "searchTerms": ["swap", "trade", "exchange", "AMM"]
    }
  ],
  "files": [
    { "path": "contracts/AMMERC7984.sol", "source": "AMMERC7984.sol" },
    { "path": "test/AMMERC7984.test.ts", "source": "AMMERC7984.test.ts" }
  ],
  "fheOperations": ["confidentialTransferFrom", "FHE.mul", "FHE.div", "fromExternal"],
  "fheTypes": ["euint64"],
  "relatedTemplates": ["swap-erc7984-to-erc7984", "erc7984-token"],
  "prerequisites": ["erc7984-token", "swap-erc7984-to-erc7984"],
  "nextSteps": []
}