feature: better setters for contract and wallet

feature: separate contract from wallet address in builder

dep: specify ethers@2.0.0

deps: actually we don't need a cargo lock for a lib

deps: update and relock

chore: update ethers

feature: resolve_call

chore(deps): use ethers master (#2)

feature: simulation

feature: additional utility methods for determining sendability

feature: deserialization of partial mev tx builders

chore: some lib.rs cleanup

lint: 1.67 clippy

chore: turn static lazy into const (#1)

fix: don't enforce signer chain id