Use protosol for protobuf definitions

clean.sh

@@ -1,6 +1,6 @@
 rm -rf test_suite_env || true
-rm src/test_suite/invoke_pb2.py || true
 rm src/*.so || true
 make -C impl clean
 git submodule deinit --all -f
+rm -rf protosol || true
 deactivate || true

fetch_and_generate.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+
+# Fetch protosol
+if [ ! -d protosol ]; then
+    git clone --depth=1 -q https://github.com/firedancer-io/protosol.git
+else
+    cd protosol
+    git pull -q
+    cd ..
+fi
+
+# Generate protobuf files with protoc
+protoc --python_out=src/test_suite --proto_path=protosol/proto protosol/proto/*.proto
+protol --in-place --python-out=src/test_suite protoc --proto-path=protosol/proto protosol/proto/*.proto