Raiden-contracts

- [81](https://github.com/raiden-network/raiden-contracts/issues/81) Add error messages to all contracts
- [1182](https://github.com/raiden-network/raiden-contracts/issues/1182) Add support for reusing the `ServiceRegistry` in the deployment scripts
- [1383](https://github.com/raiden-network/raiden-contracts/issues/1383) Add `TokenNetwork.cooperativeSettle`, which settles the channel in a single transaction when the participants cooperate
- [1436](https://github.com/raiden-network/raiden-contracts/issues/1436) Add `TokenNetwork.openChannelWithDeposit`, which combines opening and depositing to a channel
- [1481](https://github.com/raiden-network/raiden-contracts/issues/1481) Allow removing the limits after deployments
- [1482](https://github.com/raiden-network/raiden-contracts/issues/1482) Add `UserDeposit.withdrawToBeneficiary`, which allows withdrawing to a beneficiary
- [1494](https://github.com/raiden-network/raiden-contracts/pull/1494) Add both participants addresses to the `TokenNetwork.ChannelSettled` event
- [1496](https://github.com/raiden-network/raiden-contracts/pull/1496) Enable contract optimizations

- [1462](https://github.com/raiden-network/raiden-contracts/pull/1462) TokenNetwork: allow updating channel state anytime before a channel is settled
- [1464](https://github.com/raiden-network/raiden-contracts/pull/1464) Use RDN as default token for service payments

- [1456](https://github.com/raiden-network/raiden-contracts/pull/1456) Add Python 3.9 support

- Add missing deployment files for the unstable deployment done in 0.37.2.

- [1443](https://github.com/raiden-network/raiden-contracts/pull/1443) Remove `semver` dependency, which was causing version conflicts for other packages using `raiden-contracts`

- [1439](https://github.com/raiden-network/raiden-contracts/pull/1439) Provide additional unstable (development) deployment on goerli testnet
- [1430](https://github.com/raiden-network/raiden-contracts/pull/1430) Allow reusing the ServiceRegistry when deploying contracts