* Clients use env
* Explorer api uses env
* Mainnet and qa env files
* Set CONFIGURED on the mainnet defaulting
* Gateway uses env
* Mixnode uses env
* Wallet error simplification
* Network requester takes only mainnet client address
* Validator api uses env
* Mixnet contract uses denom from instantiate
* Vesting contract uses denom from instantiate
* More contract test refactoring
* Coconut bandwidth contract uses denom from instantiate
* Bandwidth claim contract uses denom from instantiate and remove from Cargos
* More remove from Cargos and one missed DEFAULT_NETWORK
* Refactor some other missed places
* Minor fixes
* Test and clippy fixes
* Update CHANGELOG
Jędrzej Stuczyński