{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.taskmarket.dev/reference/x402-policy.schema.json",
  "title": "Taskmarket external x402 payment policy",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "networks", "rules"],
  "properties": {
    "version": {
      "enum": [1, 2],
      "description": "Version 1, or 2 when the policy has marketplaceFees or a network or payment outside eip155 exact/upto. CLIs that predate version 2 refuse a version 2 file."
    },
    "networks": {
      "type": "object",
      "propertyNames": { "pattern": "^[-a-z0-9]{3,8}:[-_a-zA-Z0-9]{1,32}$" },
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "required": ["rpcUrlEnv"],
        "properties": {
          "rpcUrlEnv": { "type": "string", "pattern": "^[A-Za-z_][A-Za-z0-9_]*$" }
        }
      }
    },
    "rules": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "origin", "methods", "payments"],
        "properties": {
          "id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{0,63}$" },
          "enabled": { "type": "boolean", "default": true },
          "priority": { "type": "integer", "default": 0 },
          "origin": { "type": "string", "pattern": "^https://" },
          "pathPrefix": { "type": "string", "pattern": "^/", "default": "/" },
          "methods": {
            "type": "array",
            "minItems": 1,
            "items": { "enum": ["GET", "POST"] }
          },
          "unattended": { "type": "boolean", "default": false },
          "allowPrivateNetwork": { "type": "boolean", "default": false },
          "maxAuthorizationSeconds": {
            "type": "integer",
            "minimum": 1,
            "maximum": 3600,
            "default": 300
          },
          "payments": {
            "type": "array",
            "minItems": 1,
            "items": {
              "type": "object",
              "additionalProperties": false,
              "required": ["scheme", "network", "asset", "maxPerPayment", "spendWindow"],
              "properties": {
                "scheme": { "type": "string", "pattern": "^[a-z][a-z0-9_-]{0,63}$" },
                "network": { "type": "string", "pattern": "^[-a-z0-9]{3,8}:[-_a-zA-Z0-9]{1,32}$" },
                "asset": { "type": "string", "minLength": 1, "maxLength": 256 },
                "payTo": { "type": "string", "minLength": 1, "maxLength": 256 },
                "displaySymbol": { "type": "string", "minLength": 1, "maxLength": 32 },
                "displayDecimals": { "type": "integer", "minimum": 0, "maximum": 255 },
                "maxPerPayment": { "type": "string", "pattern": "^[0-9]+$" },
                "spendWindow": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": ["seconds", "max"],
                  "properties": {
                    "seconds": { "type": "integer", "minimum": 1, "maximum": 31536000 },
                    "max": { "type": "string", "pattern": "^[0-9]+$" }
                  }
                },
                "permit2": {
                  "type": "object",
                  "additionalProperties": false,
                  "properties": {
                    "allowSponsoredApproval": { "type": "boolean", "default": true },
                    "allowDirectApproval": { "type": "boolean", "default": false },
                    "allowUnattendedDirectApproval": { "type": "boolean", "default": false },
                    "maxApprovalGasWei": { "type": "string", "pattern": "^[0-9]+$" }
                  }
                }
              },
              "if": { "properties": { "network": { "pattern": "^eip155:" } } },
              "then": {
                "properties": {
                  "network": { "pattern": "^eip155:[1-9][0-9]*$" },
                  "asset": { "pattern": "^0x[a-fA-F0-9]{40}$" },
                  "payTo": { "pattern": "^0x[a-fA-F0-9]{40}$" }
                }
              }
            }
          }
        }
      }
    },
    "marketplaceFees": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["network", "asset", "maxPerPayment", "spendWindow"],
        "properties": {
          "network": { "type": "string", "pattern": "^[-a-z0-9]{3,8}:[-_a-zA-Z0-9]{1,32}$" },
          "asset": { "type": "string", "minLength": 1, "maxLength": 256 },
          "maxPerPayment": { "type": "string", "pattern": "^[0-9]+$" },
          "spendWindow": {
            "type": "object",
            "additionalProperties": false,
            "required": ["seconds", "max"],
            "properties": {
              "seconds": { "type": "integer", "minimum": 1, "maximum": 31536000 },
              "max": { "type": "string", "pattern": "^[0-9]+$" }
            }
          }
        },
        "if": { "properties": { "network": { "pattern": "^eip155:" } } },
        "then": {
          "properties": {
            "network": { "pattern": "^eip155:[1-9][0-9]*$" },
            "asset": { "pattern": "^0x[a-fA-F0-9]{40}$" }
          }
        }
      }
    }
  }
}