* feat: unhardcode contract addresses
* fix: linting and tests
* feat: switch contract usage in token app to use unhardcoded addresses
* chore: remove other usage of hard coded contract addresses
* feat: convert contracts to classes, update claim contract to fix circular dependency
* feat: add hard coded contract addresses to contracts page
* fix: misc tidy up
* chore: rename ethers big num conversion func
* fix: remove pending transactions modal
* chore: add single toBigNum function that can accept number string or EthersBignNumber
* chore: delete unused tranche helpers and decimals functions from smart contracts lib
* feat: add faucetable token class
* fix: reset tx state after early exit from approve tx
* feat: re add transaction modal using zustand store
* fix: loader colors for eth wallet
* fix: pass ethereum config to gurantee existence before tx execution
* chore: lint smart contracts lib
* chore: fix web3container to use children and not render prop
* chore: lint
* fix: use background to mock ethereum wallet to avoid mocking globally for every test
* chore: move web3 mock to common steps and call from withdrawals feature tests
