From 2bdbd846b09c94f05739e1274e00825912404fe3 Mon Sep 17 00:00:00 2001
From: tserg <8017125+tserg@users.noreply.github.com>
Date: Wed, 27 Sep 2023 21:06:03 +0800
Subject: [PATCH] chore: add metadata to vyper-json (#3622)

---
 tests/cli/vyper_json/test_output_selection.py | 6 ++++++
 vyper/cli/vyper_json.py                       | 2 +-
 vyper/compiler/output.py                      | 1 -
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests/cli/vyper_json/test_output_selection.py b/tests/cli/vyper_json/test_output_selection.py
index c72f06f5a7..3b12e2b54a 100644
--- a/tests/cli/vyper_json/test_output_selection.py
+++ b/tests/cli/vyper_json/test_output_selection.py
@@ -52,3 +52,9 @@ def test_solc_style():
     input_json = {"settings": {"outputSelection": {"foo.vy": {"": ["abi"], "foo.vy": ["ir"]}}}}
     sources = {"foo.vy": ""}
     assert get_input_dict_output_formats(input_json, sources) == {"foo.vy": ["abi", "ir_dict"]}
+
+
+def test_metadata():
+    input_json = {"settings": {"outputSelection": {"*": ["metadata"]}}}
+    sources = {"foo.vy": ""}
+    assert get_input_dict_output_formats(input_json, sources) == {"foo.vy": ["metadata"]}
diff --git a/vyper/cli/vyper_json.py b/vyper/cli/vyper_json.py
index 4a1c91550e..f6d82c3fe0 100755
--- a/vyper/cli/vyper_json.py
+++ b/vyper/cli/vyper_json.py
@@ -29,7 +29,7 @@
     "interface": "interface",
     "ir": "ir_dict",
     "ir_runtime": "ir_runtime_dict",
-    # "metadata": "metadata",  # don't include  in "*" output for now
+    "metadata": "metadata",
     "layout": "layout",
     "userdoc": "userdoc",
 }
diff --git a/vyper/compiler/output.py b/vyper/compiler/output.py
index 334c5ba613..9ef492c3e2 100644
--- a/vyper/compiler/output.py
+++ b/vyper/compiler/output.py
@@ -104,7 +104,6 @@ def build_ir_runtime_dict_output(compiler_data: CompilerData) -> dict:
 
 
 def build_metadata_output(compiler_data: CompilerData) -> dict:
-    warnings.warn("metadata output format is unstable!")
     sigs = compiler_data.function_signatures
 
     def _var_rec_dict(variable_record):