Merge branch 'master' into dependabot/npm_and_yarn/scan/webpack-dev-s…

…erver-3.11.0

chain/scripts/protocgen.sh

@@ -5,7 +5,9 @@ set -eo pipefail
 proto_dirs=$(find . -path ./third_party -prune -o -name '*.proto' -print0 | xargs -0 -n1 dirname | sort | uniq)
 for dir in $proto_dirs; do
   protoc \
-  -I. \
-  --gocosmos_out=plugins=interfacetype,paths=source_relative:. \
-  $(find "${dir}" -name '*.proto')
+    -I. \
+    --gocosmos_out=plugins=interfacetype,paths=source_relative:. \
+    $(find "${dir}" -name '*.proto')
+
+  ./scripts/protoconstructorgen.py ${dir}
 done

chain/scripts/protoconstructorgen.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+
+import os
+import re
+import sys
+
+
+PATTERN = re.compile(r"type (\w+) struct {")
+
+
+def process_file(w, filepath):
+    with open(filepath, "r") as r:
+        content = "\n".join(r.readlines())
+        for match in re.finditer(PATTERN, content):
+            typename = match.group(1)
+            w.write("\n")
+            w.write("func New{}(\n".format(typename))
+            start = match.end() + 1
+            end = start + content[start:].index("}") - 1
+            members = []
+            for rawline in content[start:end].split("\n"):
+                line = rawline.strip()
+                if line == "" or line.startswith("//"):
+                    continue
+                tokens = line.split()
+                members.append((tokens[0], tokens[1]))
+            max_key_length = max(map(lambda mem: len(mem[0]), members))
+            for (key, ty) in members:
+                w.write("\t{} {},\n".format(key, ty))
+            w.write(") {} {{\n".format(typename))
+            w.write("\treturn {}{{\n".format(typename))
+            for (key, _) in members:
+                w.write("\t\t{}:{} {},\n".format(key, " " * (max_key_length - len(key)), key))
+            w.write("\t}\n")
+            w.write("}\n")
+
+
+def main(path):
+    with open(os.path.join(path, "constructors.go"), "w") as w:
+        w.write("// Code generated by protoconstructorgen.py. DO NOT EDIT.\n")
+        w.write("package {}\n".format(os.path.basename(path)))
+        w.write("\n")
+        w.write('import github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"\n')
+
+        for filename in os.listdir(path):
+            if filename.endswith(".pb.go"):
+                process_file(w, os.path.join(path, filename))
+
+
+if __name__ == "__main__":
+    main(sys.argv[1])