BIP340 - Sign multiple messages using key shares

POST 
/bip340/batch-sign

Perform a batch of sign operations at once. This is useful for batching multiple sign operations into a single request. every sign request in the batch is the exact same as the normal sign request

Request

Header Parameters

AUTHORIZATION stringrequired

The AUTHORIZATION header must be set to the API Key of the user. The API Key is returned when a new user is created using the /admin/create-user endpoint.

application/json

Body

required

sign_requests

object[]

required

Array [

derivation_path uint32[]

extra_data string

Hex encoded extra data to be passed to the Rule Server. This data should be used to pass any additional information / external state to the Rule Server that is required to properly validate the signing request.

key_id KeyIdrequired

msg stringrequired

The message to be signed. Has to be hex encoded.

relay_address

object

An Optional relay address to use only for this specific MPC operation. If not provided, the default relay address will be used. The relay address should be in the format of host:port.

anyOf

HostAddress

string

room_uuid stringrequired

tweak string

]

Responses

200

application/json

Schema

Schema

• Array [

oneOf

MOD1

Signature

object

required

signature stringrequired

MOD2

Error

object

required

err_msg stringrequired

err_type stringrequired

• ]

Example (from schema)

[
  {},
  {}
]

400

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [already_performed_keygen, api_key_not_found, bad_n_and_t_params, bad_request_params, batch_too_large, executor_result, key_id_not_exists, key_operation_before_keygen, policy_in_use_by_keys, policy_in_use_by_users, policy_not_found, policy_validation_failed, room_creation_problem, rule_in_use, rule_not_found, rule_not_in_policy, server_share_backup_setting_disabled, unique_violation, user_has_associated_keys, user_id_not_exists, user_name_already_exists, you_have_to_be_admin]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "already_performed_keygen"
}

401

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [access_denied]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "access_denied"
}

404

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [not_found]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "not_found"
}

500

application/json

Schema

Schema

err_msg stringrequired
err_type stringrequired

Possible values: [internal_problem]

Example (from schema)

{
  "err_msg": "string",
  "err_type": "internal_problem"
}

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