{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "psbt",
    "feerate_per_kw",
    "estimated_final_weight",
    "excess_msat"
  ],
  "properties": {
    "psbt": {
      "type": "string",
      "description": "Unsigned PSBT which fulfills the parameters given"
    },
    "feerate_per_kw": {
      "type": "u32",
      "description": "The feerate used to create the PSBT, in satoshis-per-kiloweight"
    },
    "estimated_final_weight": {
      "type": "u32",
      "description": "The estimated weight of the transaction once fully signed"
    },
    "excess_msat": {
      "type": "msat",
      "description": "The amount above *satoshi* which is available.  This could be zero, or dust; it will be zero if *change_outnum* is also returned"
    },
    "change_outnum": {
      "type": "u32",
      "description": "The 0-based output number where change was placed (only if parameter *excess_as_change* was true and there was sufficient funds)"
    },
    "reservations": {
      "type": "array",
      "description": "If *reserve* was true or a non-zero number, just as per lightning-reserveinputs(7)",
      "items": {
        "type": "object",
        "required": [
          "txid",
          "vout",
          "was_reserved",
          "reserved",
          "reserved_to_block"
        ],
        "additionalProperties": false,
        "properties": {
          "txid": {
            "type": "txid",
            "description": "The txid of the transaction"
          },
          "vout": {
            "type": "u32",
            "description": "The 0-based output number"
          },
          "was_reserved": {
            "type": "boolean",
            "description": "Whether this output was previously reserved"
          },
          "reserved": {
            "type": "boolean",
            "enum": [
              true
            ],
            "description": "Whether this output is now reserved"
          },
          "reserved_to_block": {
            "type": "u32",
            "description": "The blockheight the reservation will expire"
          }
        }
      }
    }
  }
}