{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://decentralised.art/collections/manifest.schema.json",
  "title": "DCN Collection Manifest v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "collection",
    "network",
    "publication_policy",
    "items"
  ],
  "properties": {
    "schema_version": {
      "type": "string",
      "const": "dcn-collection-manifest.v1"
    },
    "collection": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "name",
        "kind",
        "status",
        "maintainer",
        "generated_at_utc"
      ],
      "properties": {
        "id": { "type": "string" },
        "name": { "type": "string" },
        "kind": {
          "type": "string",
          "enum": ["core", "community"]
        },
        "status": {
          "type": "string",
          "enum": ["draft", "published", "deprecated"]
        },
        "maintainer": { "type": "string" },
        "generated_at_utc": { "type": "string", "format": "date-time" }
      }
    },
    "network": {
      "type": "object",
      "additionalProperties": false,
      "required": ["chain_name", "chain_api_base_url"],
      "properties": {
        "chain_name": { "type": "string" },
        "chain_api_base_url": { "type": "string", "format": "uri" }
      }
    },
    "publication_policy": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "solidity_version",
        "requires_source_publication",
        "requires_hash_verification",
        "naming_policy",
        "snippet_contract_policy",
        "test_name_policy"
      ],
      "properties": {
        "solidity_version": { "type": "string" },
        "requires_source_publication": { "type": "boolean" },
        "requires_hash_verification": { "type": "boolean" },
        "naming_policy": { "type": "string" },
        "snippet_contract_policy": {
          "type": "string"
        },
        "test_name_policy": {
          "type": "string"
        }
      }
    },
    "items": {
      "type": "object",
      "additionalProperties": false,
      "required": ["transformations", "conditions", "connectors"],
      "properties": {
        "transformations": {
          "type": "array",
          "items": { "$ref": "#/$defs/transformationItem" }
        },
        "conditions": {
          "type": "array",
          "items": { "$ref": "#/$defs/conditionItem" }
        },
        "connectors": {
          "type": "array",
          "items": { "$ref": "#/$defs/connectorItem" }
        }
      }
    }
  },
  "$defs": {
    "deploymentState": {
      "type": "object",
      "additionalProperties": false,
      "required": ["deployed", "owner", "address"],
      "properties": {
        "deployed": { "type": "boolean" },
        "owner": { "type": ["string", "null"] },
        "address": { "type": ["string", "null"] },
        "deployment_block": { "type": ["integer", "null"], "minimum": 0 },
        "published_name": { "type": ["string", "null"] }
      }
    },
    "hashState": {
      "type": "object",
      "additionalProperties": false,
      "required": ["sol_src_sha256"],
      "properties": {
        "sol_src_sha256": { "type": ["string", "null"] }
      }
    },
    "backendReference": {
      "type": "object",
      "additionalProperties": false,
      "required": ["repository", "path", "symbol"],
      "properties": {
        "repository": { "type": "string" },
        "path": { "type": "string" },
        "symbol": { "type": "string" }
      }
    },
    "transformationSnippetContract": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "kind",
        "language",
        "entrypoint",
        "x_parameter_type",
        "args_type",
        "return_type",
        "arg_index_inference",
        "forbidden_constructs"
      ],
      "properties": {
        "kind": { "type": "string", "const": "function_body" },
        "language": { "type": "string", "const": "solidity" },
        "entrypoint": { "type": "string", "const": "run" },
        "x_parameter_type": { "type": "string", "const": "uint32" },
        "args_type": { "type": "string", "const": "uint32[] calldata" },
        "return_type": { "type": "string", "const": "uint32" },
        "arg_index_inference": {
          "type": "string",
          "const": "highest args[i] + 1"
        },
        "forbidden_constructs": {
          "type": "array",
          "items": { "type": "string" },
          "minItems": 1
        }
      }
    },
    "conditionSnippetContract": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "kind",
        "language",
        "entrypoint",
        "args_type",
        "return_type",
        "arg_index_inference",
        "forbidden_constructs"
      ],
      "properties": {
        "kind": { "type": "string", "const": "function_body" },
        "language": { "type": "string", "const": "solidity" },
        "entrypoint": { "type": "string", "const": "check" },
        "args_type": { "type": "string", "const": "int32[] calldata" },
        "return_type": { "type": "string", "const": "bool" },
        "arg_index_inference": {
          "type": "string",
          "const": "highest args[i] + 1"
        },
        "forbidden_constructs": {
          "type": "array",
          "items": { "type": "string" },
          "minItems": 1
        }
      }
    },
    "transformationItem": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "canonical_id",
        "name",
        "version",
        "category",
        "args_count",
        "sol_src",
        "snippet_contract",
        "backend_reference",
        "deterministic",
        "deployment",
        "hashes"
      ],
      "properties": {
        "canonical_id": { "type": "string" },
        "name": { "type": "string" },
        "version": { "type": "integer", "minimum": 1 },
        "category": { "type": "string" },
        "args_count": { "type": "integer", "minimum": 0 },
        "sol_src": { "type": "string" },
        "snippet_contract": {
          "$ref": "#/$defs/transformationSnippetContract"
        },
        "backend_reference": { "$ref": "#/$defs/backendReference" },
        "notes": { "type": "string" },
        "deterministic": { "type": "boolean" },
        "deployment": { "$ref": "#/$defs/deploymentState" },
        "hashes": { "$ref": "#/$defs/hashState" }
      }
    },
    "conditionItem": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "canonical_id",
        "name",
        "version",
        "category",
        "args_count",
        "sol_src",
        "snippet_contract",
        "backend_reference",
        "deterministic",
        "deployment",
        "hashes"
      ],
      "properties": {
        "canonical_id": { "type": "string" },
        "name": { "type": "string" },
        "version": { "type": "integer", "minimum": 1 },
        "category": { "type": "string" },
        "args_count": { "type": "integer", "minimum": 0 },
        "sol_src": { "type": "string" },
        "snippet_contract": { "$ref": "#/$defs/conditionSnippetContract" },
        "backend_reference": { "$ref": "#/$defs/backendReference" },
        "notes": { "type": "string" },
        "deterministic": { "type": "boolean" },
        "deployment": { "$ref": "#/$defs/deploymentState" },
        "hashes": { "$ref": "#/$defs/hashState" }
      }
    },
    "connectorItem": {
      "type": "object",
      "additionalProperties": false,
      "required": ["canonical_id", "name", "version", "format_hash", "notes"],
      "properties": {
        "canonical_id": { "type": "string" },
        "name": { "type": "string" },
        "version": { "type": "integer", "minimum": 1 },
        "format_hash": { "type": ["string", "null"] },
        "notes": { "type": "string" }
      }
    }
  }
}