* move orderParsingUtils from order-utils to connect
* Remove many functions from signatureUtils
Removed from the exported object, that is. All of them are used in
other existing code, so they were all moved to be as local to their
usage as possible.
* remove orderHashUtils.isValidOrderHash()
* Move all *RevertErrors from order-utils...
...into their respective @0x/contracts- packages.
* Refactor @0x/order-utils' orderHashUtils away
- Move existing routines into @0x/contracts-test-utils
- Migrate non-contract-test callers to a newly-exposed getOrderHash()
method in DevUtils.
* Move all *RevertErrors from @0x/utils...
...into their respective @0x/contracts- packages.
* rm transactionHashUtils.isValidTransactionHash()
* DevUtils.sol: Fail yarn test if too big to deploy
* Refactor @0x/order-utils transactionHashUtils away
- Move existing routines into @0x/contracts-test-utils
- Migrate non-contract-test callers to a newly-exposed
getTransactionHash() method in DevUtils.
* Consolidate `Removed export...` CHANGELOG entries
* Rm EthBalanceChecker from devutils wrapper exports
* Stop importing from '.' or '.../src'
* fix builds
* fix prettier; dangling promise
* increase max bundle size
`@0x/contracts-staking`: Merge `exchange_fees` unit tests into `protocol_fees` unit tests.
`@0x/contracts-staking`: Remove `ProtocolFeeActor` and any use of it.
`@0x/contracts-staking`: Remove unused constants.
`@0x/contracts-staking`: Move WETH assertion constructor into `MixinDeploymentConstants`.
`@0x/contracts-staking`: Add more unit tests.
`@0x/contracts-staking`: Move params storage variables into `MixinStorage`.
`@0x/contracts-staking`: Add storage layout tests for new state vars.
`@0x/contracts-staking`: Add more migration tests.
`@0x/contracts-staking`: Add `_initMixinParams()` function that sets up `MixinParams` state.
`@0x/contracts-staking`: Add `init()` to `Staking` contract.
`@0x/contracts-staking`: Add `_initMixinScheduler()` to `MixinScheduler`.
`@0x/contracts-staking`: Automaticallly call `Staking.init()` in `StakingProxy.attachStakingContract()`.
`@0x/contracts-staking`: Remove `setCobbDouglasAlpha()` in favor of `tune()`.
`@0x/contracts-staking`: Exclude pools with `stake < minimumPoolStake` in `payProtocolFee()`.
