{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:tandem:schema:agreement-envelope",
  "title": "Tandem indexer agreement envelope",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "key_id",
    "tuple",
    "signature"
  ],
  "properties": {
    "schema": {
      "const": "urn:tandem:agreement-envelope"
    },
    "key_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "pattern": "^[A-Za-z0-9._:-]+$"
    },
    "tuple": {
      "$ref": "#/$defs/tuple"
    },
    "signature": {
      "type": "string",
      "pattern": "^[0-9a-f]{128}$"
    }
  },
  "$defs": {
    "hash32": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$"
    },
    "commit": {
      "type": "string",
      "pattern": "^[0-9a-f]{40}$"
    },
    "counter": {
      "type": "string",
      "pattern": "^(0|[1-9][0-9]*)$"
    },
    "tuple": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "schema",
        "protocol_id",
        "height",
        "block_hash",
        "event_root",
        "object_state_root",
        "chained_root",
        "founding_created",
        "all_objects",
        "active_objects",
        "parser_commit",
        "indexer_commit",
        "parser_binary_sha256",
        "indexer_binary_sha256"
      ],
      "properties": {
        "schema": {
          "const": "urn:tandem:agreement-tuple"
        },
        "protocol_id": {
          "type": "string",
          "pattern": "^tndm:(mainnet|signet|testnet4|regtest):[0-9a-f]{64}$"
        },
        "height": {
          "type": "string",
          "pattern": "^(0|[1-9][0-9]*)$"
        },
        "block_hash": {
          "$ref": "#/$defs/hash32"
        },
        "event_root": {
          "$ref": "#/$defs/hash32"
        },
        "object_state_root": {
          "$ref": "#/$defs/hash32"
        },
        "chained_root": {
          "$ref": "#/$defs/hash32"
        },
        "founding_created": {
          "$ref": "#/$defs/counter"
        },
        "all_objects": {
          "$ref": "#/$defs/counter"
        },
        "active_objects": {
          "$ref": "#/$defs/counter"
        },
        "parser_commit": {
          "$ref": "#/$defs/commit"
        },
        "indexer_commit": {
          "$ref": "#/$defs/commit"
        },
        "parser_binary_sha256": {
          "$ref": "#/$defs/hash32"
        },
        "indexer_binary_sha256": {
          "$ref": "#/$defs/hash32"
        }
      }
    }
  }
}