* Token warning a la #789 and #790

* Clean up the duplicate name or symbol implementation

* Fix the spacing

* Change wording and add to send page

* Wording changes

* Refactor the common code to a component

* Fix lint error

* generalize useApproveCallback

* show proper slippageAdjustedAmounts in dialog

* make confirmed button text readable in light mode

* default timeout from 15 -> 20 minutes

* add manual approve fallback to remove liquidity

* remove console log

* fix bad web3-react import introduced by refactor

* rename our wrapped version of useWeb3React

* return an enum from useApproveCallback

* fix comment

* Make typescript compilation strict in some new code

* Fix other errors, change how we set dark mode to always respond to url parameter

* Fix bug in block number

* set token length

* safe check on symbol reference

* mainnet config

* fix token + pair sorting

* standardize wrapped useWeb3React imports

* add final return to pair sorting

* add connecting pairs

* break tokens out into separate files

revert isAddress change

* filter out duplicate pairs

* remove add liquidity prompts

* link to v1 trades that are invalid on v2

* forward v2 subdomain to apex

* update blog link

* get rid of smart quotes

* link to uniswap info in position card

* improve pair sorting/searching

break out token identification

fix crash on early pool position clicks

change pair token separator from : to /

* Match the behavior of v1 interface for old query parameters in swap/send

* Handle matching input/output currencies better

* Another test

Fix balance forever loading issue, ensure that all balances in the store are keyed by checksummed addresses

* Part 1, separate swap and send, move duplicate code into separate files

* Move some more constants out of the swap/send

* Support defaults from URL parameters

* Implement query string parsing via a redux action

* Finish merging the changes

* Fix the slippage warnings

* Clean up some other files

* More refactoring

* Move the price bar out of the component

* Move advanced details and some computations into utilities

* Make same improvements to send

* Approval hook

* Swap page functional with swap callback hook

* Swap/send page functional with swap callback hook

* Fix lint

* Move styleds.ts

* Fix integration test

* Fix error state in swap and move some things around

* Move send callback out of send page

* Make send behave more like current behavior

* Differentiate swap w/o send on send page from swap w/o send on swap page

* Remove userAdvanced which was always false

* Remove the price bar which is not used in the new UI

* Delete the file

* Fix null in the send dialog and move another component out of send

* Move the swap modal header out to another file

* Include change after merge

* Add recipient to swap message

* Keep input token selected if user has no balance and clicks send with swap

* Move the modal footer out of send component

* Remove the hard coded estimated time

* Fix the label/action for swap/sends

* Share the swap modal footer between swap and send

* Fix integration test

* remove margin from popper to suppress warnings

fix missing ENS name recipient link

default deadline to 15 minutes

* ensure useApproveCallback returns accurate data

* clean up callbacks

* extra space

* Re-apply ignored changes from v2 branch ExchangePage file
Co-authored-by: Noah Zinsmeister <noahwz@gmail.com>

* fix small bugs , token icons

* remove mainnet

* style changes

* fix nav pointer issues on desktop

* more style changes

* remove mainnet

* key per-block SWR data with block number

* fix + tweak copy and decrease sig figs for lp fee

* don't use blocknumber as a key

instead mutate when it changes

* fix totalsupply + user liquidity sync issues

* fix v1 trade checker logic

* rough fix allowing removal of user added tokens

probably needs a more comprehensive overhaul...

* refactor SWR block updates to custom hook

* typo

* fix import error

* fix footer css to work cross-broswer

* disallow \ to be typing into amount inputs

add test case for this

add value assertions to all input integration tests

* fix import error

* remove console.log

* clean up address input a bit

trim whitespace from pasted addresses

* fix input maxing

remove spurious max output logic

* Bunch of refactoring

* Add an integration test that gets as far as swapping

* Drop the nonce code that isn't doing anything right now

* Undo one of the accidental changes to the reducer

* fix invariant bug due to dummy ETH

* fix lint issue

fix incorrect feeTimesInputFormatted logic

* appropriately discount for multi-hop fee slippage

* fix comment

* make calculation more explicit with a ternary