* `@0x/contracts-zero-ex`: Fix NativeOrdersFeature order hash cancellation not emitting proper maker.
`@0x/contracts-zero-ex`: Revert to original (deployed) ZeroEx/EP proxy implementation. Optimized one is now at `ZeroExOptimized.sol`.
`@0x/contracts-zero-ex`: Add gas limits to first `transferFrom()` call in `LibTokenSpender` and `UniswapFeature`.
* `@0x/contracts-zero-ex`: Update changelog
* disable `no-empty-blocks` solidity linter rule
* `@0x/contracts-zero-ex`: Use bloom filters of greedy tokens in token transfer logic
`@0x/contracts-zero-ex`: Turn `LibTokenSpender` into `FixinTokenSpender`.
`@0x/contracts-zero-ex`: Misc renames for consistency.
* `@0x/contracts-zero-ex`: Export `GREEDY_TOKENS` list
* rebase and update changelog
* `@0x/contracts-zero-ex`: Change bloom filter hash algo based on discussions
* `@0x/contracts-zero-ex`: Fix changelog
* update orders docs
* `@0x/contracts-zero-ex`: revert if allowance call fails in uniswap feature
Co-authored-by: Lawrence Forman <me@merklejerk.com>
add LibTokenSpender and convert to using that
This skips the allowance target. Allowances are instead just set on the
exchange proxy itself. There is a fallback, though, to try spending from
the allowance target if the original transfer fails.
`@0x/contracts-zero-ex`: Remove redundant event from `BridgeAdapter`.
`@0x/contracts-zero-ex`: Treat all calldata as signed if quote signer is not in `TransformERC20Feature`.
`@0x/contracts-zero-ex`: Update bridge adapters
`@0x/contracts-zero-ex`: Rename all feature contracts to have `Feature` suffix.
`@0x/contracts-zero-ex`: Return an `IZeroExContract` instance from `fullMigrateAsync()`.
`@0x/contracts-zero-ex`: Add refund mechanism to mtxs
`@0x/contracts-zero-ex`: Pass sender to transfomers.
`@0x/contracts-zero-ex`: Refund protocol fees to `refundReceiver` in FQT.
`@0x/utils`: Add EP flavor of `IllegalReentrancyError`
`@0x/order-utils`: Add `refundReceiver` to FQT transform data.
`@0x/asset-swapper`: Add `refundReceiver` support to EP swap quote consumer.
