receipt / verify

{
  "type": "object",
  "required": [
    "offer"
  ],
  "additionalProperties": false,
  "properties": {
    "offer": {
      "type": "object",
      "description": "The signed offer as {format, payload, signature}, or the bare offer payload with version, resourceUrl, scheme, network, asset, payTo, amount and validUntil — then pass signature and format separately."
    },
    "signature": {
      "type": "string",
      "maxLength": 8192,
      "description": "Signature of the offer, if it is not inside the offer object."
    },
    "format": {
      "type": "string",
      "enum": [
        "eip712",
        "jws",
        "eip191"
      ],
      "description": "Signature method, if the offer object does not name it. eip712 is what the offer-receipt extension produces."
    },
    "public_key": {
      "type": "object",
      "description": "Public key as a JWK, required for jws signatures whose key identifier cannot be resolved from the token itself."
    },
    "receipt": {
      "type": "object",
      "description": "Optional signed receipt as {format, payload, signature}, or the bare receipt payload with version, network, resourceUrl, payer, issuedAt and transaction."
    },
    "receipt_signature": {
      "type": "string",
      "maxLength": 8192,
      "description": "Signature of the receipt, if it is not inside the receipt object."
    },
    "receipt_format": {
      "type": "string",
      "enum": [
        "eip712",
        "jws",
        "eip191"
      ],
      "description": "Signature method of the receipt, if the receipt object does not name it."
    },
    "expected_payer": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "Address you expected to have paid. When given, the receipt payer is compared against it."
    },
    "max_receipt_age_seconds": {
      "type": "integer",
      "minimum": 1,
      "maximum": 2592000,
      "default": 3600,
      "description": "How old a receipt may be before its timestamps are called implausible."
    }
  }
}