{
  "contract": "escrow",
  "version": "1.0.0",
  "description": "Two-party trustless escrow. Buyer deposits funds into the contract treasury. Seller delivers; buyer releases. If disputed, the contract admin resolves.",
  "methods": [
    {
      "name": "init",
      "description": "Set the caller as the escrow admin. Call once after deployment.",
      "args": []
    },
    {
      "name": "create",
      "description": "Buyer creates an escrow. Transfers amount from buyer to treasury. Logs 'created: <id>'.",
      "args": [
        {"name": "id",     "type": "string", "description": "Unique escrow ID (user-supplied)"},
        {"name": "seller", "type": "string", "description": "Seller address (hex pubkey)"},
        {"name": "amount", "type": "uint64", "description": "Amount in µT to lock in escrow"}
      ]
    },
    {
      "name": "release",
      "description": "Buyer releases funds to seller. Transfers treasury → seller. Logs 'released: <id>'.",
      "args": [
        {"name": "id", "type": "string", "description": "Escrow ID"}
      ]
    },
    {
      "name": "refund",
      "description": "Seller refunds the buyer (voluntary). Transfers treasury → buyer. Logs 'refunded: <id>'.",
      "args": [
        {"name": "id", "type": "string", "description": "Escrow ID"}
      ]
    },
    {
      "name": "dispute",
      "description": "Buyer or seller raises a dispute. Logs 'disputed: <id>'. Admin must then call resolve.",
      "args": [
        {"name": "id", "type": "string", "description": "Escrow ID"}
      ]
    },
    {
      "name": "resolve",
      "description": "Admin resolves a disputed escrow. winner must be 'buyer' or 'seller'. Logs 'resolved: <id>'.",
      "args": [
        {"name": "id",     "type": "string", "description": "Escrow ID"},
        {"name": "winner", "type": "string", "description": "'buyer' or 'seller'"}
      ]
    },
    {
      "name": "info",
      "description": "Log escrow details: buyer, seller, amount, status.",
      "args": [
        {"name": "id", "type": "string", "description": "Escrow ID"}
      ]
    }
  ]
}