hdm-am 0.3.0

Client for the Armenian fiscal cash register (HDM) protocol per the State Revenue Committee spec
Documentation
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "PrintReturnReceiptRequest",
  "description": "Op 10 request: print a return/refund receipt — the operation that actually registers a return.\n\nWith no amounts/items it returns the whole receipt; set the `*_for_return` amounts and/or\n`return_item_list` for a partial return. The original spec §4.5.7 is\n\"ՀԴՄ վերադարձի կտրոնի տպում\" = *print return receipt* (the English spec.md mistitled it \"get\nreceipt info\"). The read-only lookup of the receipt being returned is op 6,\n[`GetReturnableReceiptRequest`].",
  "type": "object",
  "properties": {
    "crn": {
      "description": "HDM registration number of the device that printed the receipt.",
      "type": "string"
    },
    "returnTicketId": {
      "description": "Number of the receipt to be returned.",
      "type": "integer",
      "format": "uint64",
      "minimum": 0
    },
    "cashAmountForReturn": {
      "description": "Cash amount to return (only set if returning partial payments).",
      "type": [
        "number",
        "null"
      ],
      "format": "double"
    },
    "cardAmountForReturn": {
      "description": "Card amount to return (only set if returning partial payments).",
      "type": [
        "number",
        "null"
      ],
      "format": "double"
    },
    "prePaymentAmountForReturn": {
      "description": "Prepayment amount to return (only set if returning partial payments).",
      "type": [
        "number",
        "null"
      ],
      "format": "double"
    },
    "rrn": {
      "description": "Acquirer RRN (12 chars).",
      "type": [
        "string",
        "null"
      ]
    },
    "terminalId": {
      "description": "Payment terminal ID (8 chars).",
      "type": [
        "string",
        "null"
      ]
    },
    "eMarks": {
      "description": "eMark codes for marked goods.",
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "returnItemList": {
      "description": "Per-item return list (only set if returning specific items partially).",
      "type": "array",
      "items": {
        "$ref": "#/$defs/ReturnItem"
      }
    }
  },
  "required": [
    "crn",
    "returnTicketId"
  ],
  "$defs": {
    "ReturnItem": {
      "description": "Per-item entry in a partial-return request.",
      "type": "object",
      "properties": {
        "rpid": {
          "description": "Row sequence number of the item being returned.",
          "type": "integer",
          "format": "int64"
        },
        "quantity": {
          "description": "Quantity of this row's items to return.",
          "type": "number",
          "format": "double"
        }
      },
      "required": [
        "rpid",
        "quantity"
      ]
    }
  }
}