This reverts commit f09ab88891, reversing
changes made to effc761e0e.
This is being temporarily reverted to make it easier to release an
urgent fix for v10.15.1.
* Return an estimated amount for a completed swap if an RPC provider has a delay
* Create a recursive function for updating post tx balance
* Add a few tests for the "getSwapsTokensReceivedFromTxMeta" fn
* Trigger Build
* Use a Swaps v2 API to get a fiat onboarding URL
* Fix an issue with wrapping / unwrapping if an address contained uppercase chars
* Rename a constant
* Use a constant in a test
* Update contract address validations in swaps for different networks
* Add support for direct contract swaps for wrapping and unwrapping
* Add WETH_RINKEBY_CONTRACT_ADDRESS
