{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "minLength": 1
    },
    "proposal_digest": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$"
    },
    "decision": {
      "type": "string",
      "enum": [
        "APPROVE",
        "REJECT"
      ]
    },
    "approver": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1
        },
        "role": {
          "type": "string",
          "minLength": 1
        }
      },
      "required": [
        "id",
        "role"
      ],
      "additionalProperties": false
    },
    "scope": {
      "type": "object",
      "properties": {
        "effect_type": {
          "type": "string",
          "enum": [
            "BID",
            "INVITATION",
            "CONTROL_PLAN",
            "DISPATCH_PLAN"
          ]
        },
        "limits": {
          "type": "object",
          "propertyNames": {
            "type": "string"
          },
          "additionalProperties": {
            "type": "string",
            "pattern": "^-?\\d+(\\.\\d+)?$"
          }
        }
      },
      "required": [
        "effect_type",
        "limits"
      ],
      "additionalProperties": false
    },
    "validity": {
      "type": "object",
      "properties": {
        "from": {
          "type": "string",
          "format": "date-time",
          "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$"
        },
        "to": {
          "type": "string",
          "format": "date-time",
          "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$"
        }
      },
      "required": [
        "from",
        "to"
      ],
      "additionalProperties": false
    },
    "evidence_versions": {
      "type": "object",
      "properties": {
        "policy_pack_version": {
          "type": "string",
          "minLength": 1
        },
        "ledger_version": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        },
        "data_snapshot_refs": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[0-9a-f]{64}$"
          }
        }
      },
      "required": [
        "policy_pack_version",
        "ledger_version",
        "data_snapshot_refs"
      ],
      "additionalProperties": false
    },
    "comment": {
      "type": "string"
    },
    "decided_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$"
    }
  },
  "required": [
    "id",
    "proposal_digest",
    "decision",
    "approver",
    "scope",
    "validity",
    "evidence_versions",
    "decided_at"
  ],
  "additionalProperties": false,
  "$id": "https://vpp-ai-platform/contracts/approval.json",
  "title": "Approval"
}