{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://concert.foundation/signet/v0.1/coverage-assessment.schema.json",
  "title": "CoverageAssessment",
  "description": "The computed coverage state for one (market, delivery period, basis, portfolio scope) at a point in time. Derived, never hand-entered; always event-anchored. policyEvaluation.status is CLOSED. reconciliation materialises the rule: hedged + floating = markToMarket within tolerance (conformance rule 1).",
  "type": "object",
  "required": [
    "id",
    "market",
    "deliveryPeriod",
    "portfolioScope",
    "assessedAt",
    "volumes",
    "hedgedRatio",
    "policyEvaluation",
    "reconciliation",
    "positions",
    "provenance"
  ],
  "additionalProperties": false,
  "properties": {
    "@context": {
      "type": [
        "string",
        "object",
        "array"
      ]
    },
    "type": {
      "const": "CoverageAssessment"
    },
    "id": {
      "$ref": "definitions.schema.json#/definitions/Identifier"
    },
    "market": {
      "type": "string"
    },
    "deliveryPeriod": {
      "type": "object",
      "required": [
        "year",
        "basis"
      ],
      "additionalProperties": false,
      "properties": {
        "year": {
          "type": "integer"
        },
        "basis": {
          "type": "string"
        }
      }
    },
    "portfolioScope": {
      "type": "string"
    },
    "assessedAt": {
      "type": "string",
      "format": "date-time"
    },
    "volumes": {
      "type": "object",
      "required": [
        "hedged",
        "floating",
        "markToMarket"
      ],
      "additionalProperties": false,
      "properties": {
        "hedged": {
          "type": "object",
          "required": [
            "amount",
            "unit"
          ],
          "additionalProperties": false,
          "properties": {
            "amount": {
              "type": "number"
            },
            "unit": {
              "type": "string"
            }
          }
        },
        "floating": {
          "type": "object",
          "required": [
            "amount",
            "unit"
          ],
          "additionalProperties": false,
          "properties": {
            "amount": {
              "type": "number"
            },
            "unit": {
              "type": "string"
            }
          }
        },
        "markToMarket": {
          "type": "object",
          "required": [
            "amount",
            "unit"
          ],
          "additionalProperties": false,
          "properties": {
            "amount": {
              "type": "number"
            },
            "unit": {
              "type": "string"
            }
          }
        }
      }
    },
    "weightedPrices": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "hedged": {
          "type": "object",
          "required": [
            "amount",
            "currency"
          ],
          "additionalProperties": false,
          "properties": {
            "amount": {
              "type": "number"
            },
            "currency": {
              "type": "string"
            },
            "unit": {
              "type": "string"
            }
          }
        },
        "floating": {
          "type": "object",
          "required": [
            "amount",
            "currency"
          ],
          "additionalProperties": false,
          "properties": {
            "amount": {
              "type": "number"
            },
            "currency": {
              "type": "string"
            },
            "unit": {
              "type": "string"
            }
          }
        }
      }
    },
    "hedgedRatio": {
      "type": "number"
    },
    "policyEvaluation": {
      "type": "object",
      "required": [
        "policyId",
        "status"
      ],
      "additionalProperties": false,
      "properties": {
        "policyId": {
          "$ref": "definitions.schema.json#/definitions/Identifier"
        },
        "corridorApplied": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "minimum": {
              "type": "number"
            },
            "target": {
              "type": "number"
            },
            "maximum": {
              "type": "number"
            }
          }
        },
        "status": {
          "type": "string",
          "enum": [
            "withinCorridor",
            "belowMinimum",
            "aboveMaximum",
            "noPolicyDefined"
          ]
        },
        "distanceToMinimum": {
          "type": "number"
        }
      }
    },
    "reconciliation": {
      "type": "object",
      "required": [
        "status",
        "rule"
      ],
      "additionalProperties": false,
      "properties": {
        "status": {
          "type": "string"
        },
        "rule": {
          "type": "string"
        },
        "tolerance": {
          "type": "number"
        }
      }
    },
    "positions": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "definitions.schema.json#/definitions/Identifier"
      }
    },
    "provenance": {
      "$ref": "definitions.schema.json#/definitions/Provenance"
    }
  }
}