Module contract_updater 

This module contains static functions to update the state of a DLC.

Functions

accept_contract

Creates an AcceptedContract and produces the accepting party’s cet adaptor signatures.

complete_cooperative_close

Verifies and completes a cooperative close transaction using the counter party’s signature.

create_cooperative_close

Creates a cooperative close transaction and signs it with the local party’s key.

get_signed_cet

Signs and return the CET that can be used to close the given contract.

get_signed_refund

Signs and return the refund transaction to refund the contract.

offer_contract

Creates an OfferedContract and OfferDlc message from the provided contract and oracle information.

verify_accepted_and_sign_contract

Verifies the information of the accepting party Accept message, creates a SignedContract, and generates the offering party CET adaptor signatures.

verify_signed_contract

Verifies the information from the offer party Sign message, creates the accepting party’s SignedContract and returns it along with the signed fund transaction.