{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": false,
  "required": ["occurredAt", "playerId", "tradeKind", "itemCount", "currencyDelta", "suspicious"],
  "properties": {
    "occurredAt": { "type": "string", "format": "date-time", "minLength": 1, "maxLength": 40 },
    "source": { "type": "string", "enum": ["companion", "log-projection", "scum.trade"] },
    "playerId": { "type": "string", "minLength": 1, "maxLength": 96 },
    "counterpartyPlayerId": { "type": "string", "minLength": 1, "maxLength": 96 },
    "itemCode": { "type": "string", "pattern": "^[A-Za-z0-9_.-]{1,128}$", "minLength": 1, "maxLength": 128 },
    "tradeVerb": { "type": "string", "enum": ["purchased", "sold"] },
    "tradeKind": { "type": "string", "enum": ["purchase", "sale", "transfer", "unknown"] },
    "quantity": { "type": "integer", "minimum": 0, "maximum": 1000000000 },
    "itemCount": { "type": "integer", "minimum": 0, "maximum": 1000 },
    "price": { "type": "integer", "minimum": -1000000000, "maximum": 1000000000 },
    "currencyDelta": { "type": "integer", "minimum": -1000000000, "maximum": 1000000000 },
    "suspicious": { "type": "boolean" }
  }
}