# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [0.5.0] - 2024-07-11 ### Added - support for `no-std` - option to skip channel checks - possibility to pass oracle announcements when offering a contract - possibility to manually close contract - possibility to manally handle counter party closing of contract - `get_new_change_address` for `Wallet` trait - ability to reject channel offers ### Changed - reject contract and channel offers when the id already exists - implement `std::error::Error` for `Error` structs - update bitcoin, lightning and secp256k1_zkp dependencies - `fee_rate` parameter is not optional anymore in `get_utxo_for_amount` of `Wallet` trait - `Signer::sign_tx_input` changed to `Signer::sign_psbt_input` - Use a `ContractSignerProvider` for generating signers for contracts - Remove usage of `global-context` feature of secp256k1_zkp ### Fixed - validation of hyperbola parameters - ensure that payouts are not rounded up above the collateral - load channel monitor from storage when it exists - floating point arithmetic triggering payout computation errors - overflow bug in payout curve - added timeout on `RenewOffer` state - issue with channel protocol ## [0.4.0] - 2023-02-06 ### Added - support for DLC channels ### Changed - remove event maturity from `ContractInput`. The maturity is now computed from the oracle event information. - closed contract data is now pruned geatly reducing storage usage. ### Fixed - better validation of rounding intervals - better validation of `ContractInput` and contract offers. ## [0.3.0] - 2022-10-28 ### Changed - `Contract` enum now has a `Pre-Closed` state. - `dlc` crate version update. ## [0.2.0] - 2022-06-06 ### Added - `parallel` feature for computing anticipation points in parallel. - signing of transaction inputs was added to the `Wallet` trait. - support for contracts with multi oracle with varying number of digits. ### Changed - serialization format was changed according to update of the DLC specifications. - improved validation of payout curves. - validation of node id on manager callbacks. - validation of received contract offers. ### Fixed - computation of contract id according to the DLC specifications. - conversion of hyperbola curves.