This adds a tools.go file to import all command packages used for go:generate. Doing so makes it possible to execute go-based code generators using 'go run', locking in the tool version using go.mod. Co-authored-by: Felix Lange <fjl@twurst.com>
evm block-builder (a.k.a b11r) is a utility to help assemble blocks, for use during the test-creation process.