chain-aware contract instance

[antazoey]

Describe

Allow specifying chain when creating a ContractInstance so that it will ensure the proper network before running calls/txn

Specification

vault = Vault.at("0x123...", chain=1)
other_vault = Vault.at("0x123...", chain=40609)  # or whatever arb is, i forgot

Dependencies

No response

[linear]

APE-1996 chain-aware contract instance

[fubuloubu]

Wake has a version of this idea where it uses multiple connected chains together (but I find it to be more verbose than necessary)
https://ackee.xyz/wake/docs/latest/testing-framework/cross-chain-testing/