Makefile that makes building and running the substream easy:make build will rebuild your substream. Run this whenever you have made changes.make stream will run the stream for a few blocks. As you make changes to your substream, you'll want to change this command to use your own substream modules and a block range more suitable to the data your indexing. Simply edit Makefile to do this.substreams CLIbufprotoc and simplifies a good number of things. Substreams packages are compatible with buf Images.cmake and build-essentialprotoc-gen-prostcmake and build-essential are properly installed, we can install protoc-gen-prost crate to generate protobuf files.