Anvil

https://book.getfoundry.sh/reference/anvil

• Start a local blockchain using anvil

anvil

• Set a block time in seconds: --block-time 12

• Set a port (http and ws use the same port): --port 8440

Forked Chains

anvil --fork-url <CHAIN_EL_RPC> --steps-tracing --chain-id <CHAIN_ID>