core-lightning/doc/schemas/sendonionmessage.request.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "first_id",
    "blinding",
    "hops"
  ],
  "properties": {
    "first_id": {
      "type": "pubkey",
      "description": "the (presumably well-known) public key of the start of the path"
    },
    "blinding": {
      "type": "pubkey",
      "description": "blinding factor for this path"
    },
    "hops": {
      "type": "array",
      "description": "",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "node",
          "tlv"
        ],
        "properties": {
          "node": {
            "type": "pubkey",
            "description": "public key of the node"
          },
          "tlv": {
            "type": "u8",
            "description": "contains a hexadecimal TLV to include"
          }
        }
      }
    }
  }
}