{
  "id": "escrow-erc7984",
  "name": "Escrow with ERC7984",
  "category": "openzeppelin",
  "difficulty": "advanced",
  "tags": ["escrow", "ERC7984", "payment", "dispute", "arbiter", "OpenZeppelin"],
  "description": "A confidential escrow service for ERC7984 tokens with encrypted amounts",
  "longDescription": "This advanced example implements a secure escrow system for ERC7984 tokens. Buyers can deposit encrypted amounts, sellers can refund, and disputes can be resolved by arbiters. All payment amounts remain private throughout the escrow lifecycle.",
  "blocks": [
    {
      "id": "create-escrow",
      "type": "function",
      "lines": [73, 92],
      "explanation": "Create a new escrow with buyer, seller, arbiter, and deadline. The escrow starts in Created state.",
      "searchTerms": ["create", "escrow", "new"]
    },
    {
      "id": "deposit",
      "type": "function",
      "lines": [100, 131],
      "explanation": "Buyer deposits encrypted tokens into the escrow using confidentialTransferFrom.",
      "searchTerms": ["deposit", "fund", "payment"]
    },
    {
      "id": "release",
      "type": "function",
      "lines": [137, 150],
      "explanation": "Buyer releases escrowed funds to the seller, completing the transaction.",
      "searchTerms": ["release", "complete", "pay"]
    },
    {
      "id": "refund",
      "type": "function",
      "lines": [154, 167],
      "explanation": "Seller initiates a refund back to the buyer.",
      "searchTerms": ["refund", "return", "cancel"]
    },
    {
      "id": "dispute",
      "type": "function",
      "lines": [173, 183],
      "explanation": "Either party can raise a dispute to involve the arbiter.",
      "searchTerms": ["dispute", "conflict", "problem"]
    },
    {
      "id": "resolve-dispute",
      "type": "function",
      "lines": [188, 204],
      "explanation": "Arbiter resolves the dispute by deciding whether to release to seller or refund buyer.",
      "searchTerms": ["resolve", "arbiter", "decision"]
    }
  ],
  "files": [
    { "path": "contracts/EscrowERC7984.sol", "source": "EscrowERC7984.sol" },
    { "path": "test/EscrowERC7984.test.ts", "source": "EscrowERC7984.test.ts" }
  ],
  "fheOperations": ["confidentialTransferFrom", "confidentialTransfer", "FHE.add", "FHE.allowTransient", "FHE.allowThis", "fromExternal"],
  "fheTypes": ["euint64", "ebool"],
  "relatedTemplates": ["erc7984-token", "swap-erc7984-to-erc7984"],
  "prerequisites": ["erc7984-token"],
  "nextSteps": ["prediction-market-erc7984"]
}