The Brownie chain object allows you to travel forwards and backwards through your local blockchain. In these two units we use the chain to build a script that calculates the actual number of $CRV rewards staking the same amount would earn after 24 hours (assuming no changes).
A variable in the brownie environment representing an empty address frequently returned when the parameter is empty.
> ZERO_ADDRESS == '0x0000000000000000000000000000000000000000'
Curve contract responsible for minting accumulated rewards and distributing them to the user.