{
  "$schema": "../rpc-schema-draft.json",
  "type": "object",
  "additionalProperties": false,
  "rpc": "openchannel_signed",
  "title": "Command to conclude a channel open",
  "description": [
    "`openchannel_signed` is a low level RPC command which concludes a channel open with the specified peer. It uses the v2 openchannel protocol, which allows for interactive transaction construction.",
    "",
    "This command should be called after `openchannel_update` returns *commitments_secured* `true`.",
    "",
    "This command will broadcast the finalized funding transaction, if we receive valid signatures from the peer."
  ],
  "request": {
    "required": [
      "channel_id",
      "signed_psbt"
    ],
    "properties": {
      "channel_id": {
        "type": "hash",
        "description": [
          "Id of the channel."
        ]
      },
      "signed_psbt": {
        "type": "string",
        "description": [
          "The PSBT returned from `openchannel_update` (where *commitments_secured* was true) with partial signatures or finalized witness stacks included for every input that we contributed to the PSBT."
        ]
      }
    }
  },
  "response": {
    "required": [
      "channel_id",
      "tx",
      "txid"
    ],
    "properties": {
      "channel_id": {
        "type": "hash",
        "description": [
          "The channel id of the channel."
        ]
      },
      "tx": {
        "type": "hex",
        "description": [
          "The funding transaction."
        ]
      },
      "txid": {
        "type": "txid",
        "description": [
          "The txid of the **tx**."
        ]
      }
    }
  },
  "errors": [
    "On error, the returned object will contain `code` and `message` properties, with `code` being one of the following:",
    "",
    "- -32602: If the given parameters are wrong.",
    "- -1: Catchall nonspecific error.",
    "- 303: Funding transaction broadcast failed.",
    "- 305: Peer is not connected.",
    "- 309: PSBT missing required fields.",
    "- 311: Unknown channel id.",
    "- 312: Channel in an invalid state"
  ],
  "author": [
    "Lisa Neigut <<niftynei@gmail.com>> is mainly responsible."
  ],
  "see_also": [
    "lightning-openchannel_init(7)",
    "lightning-openchannel_update(7)",
    "lightning-openchannel_abort(7)",
    "lightning-openchannel_bump(7)",
    "lightning-fundchannel_start(7)",
    "lightning-fundchannel_complete(7)",
    "lightning-fundchannel(7)",
    "lightning-fundpsbt(7)",
    "lightning-utxopsbt(7)",
    "lightning-multifundchannel(7)"
  ],
  "resources": [
    "Main web site: <https://github.com/ElementsProject/lightning>"
  ]
}