[CHIA-2264] Add config constant support to chia db validate (#19182)

Add config constant support to `chia db validate`

chia/_tests/core/test_db_validation.py

@@ -4,6 +4,7 @@
 import sqlite3
 from contextlib import closing
 from pathlib import Path
+from typing import Any
 
 import pytest
 
@@ -69,13 +70,18 @@ def add_block(
     )
 
 
+default_config: dict[str, Any] = {
+    "full_node": {"selected_network": "local", "network_overrides": {"constants": {"local": {}}}}
+}
+
+
 def test_db_validate_wrong_version() -> None:
     with TempFile() as db_file:
         with closing(sqlite3.connect(db_file)) as conn:
             make_version(conn, 3)
 
         with pytest.raises(RuntimeError) as execinfo:
-            validate_v2(db_file, validate_blocks=False)
+            validate_v2(db_file, config=default_config, validate_blocks=False)
         assert "Database has the wrong version (3 expected 2)" in str(execinfo.value)
 
 
@@ -85,7 +91,7 @@ def test_db_validate_missing_peak_table() -> None:
             make_version(conn, 2)
 
         with pytest.raises(RuntimeError) as execinfo:
-            validate_v2(db_file, validate_blocks=False)
+            validate_v2(db_file, config=default_config, validate_blocks=False)
         assert "Database is missing current_peak table" in str(execinfo.value)
 
 
@@ -98,7 +104,7 @@ def test_db_validate_missing_peak_block() -> None:
             make_block_table(conn)
 
         with pytest.raises(RuntimeError) as execinfo:
-            validate_v2(db_file, validate_blocks=False)
+            validate_v2(db_file, config=default_config, validate_blocks=False)
         assert "Database is missing the peak block" in str(execinfo.value)
 
 
@@ -122,10 +128,10 @@ def test_db_validate_in_main_chain(invalid_in_chain: bool) -> None:
 
         if invalid_in_chain:
             with pytest.raises(RuntimeError) as execinfo:
-                validate_v2(db_file, validate_blocks=False)
+                validate_v2(db_file, config=default_config, validate_blocks=False)
             assert " (height: 96) is orphaned, but in_main_chain is set" in str(execinfo.value)
         else:
-            validate_v2(db_file, validate_blocks=False)
+            validate_v2(db_file, config=default_config, validate_blocks=False)
 
 
 async def make_db(db_file: Path, blocks: list[FullBlock]) -> None:
@@ -158,5 +164,11 @@ async def test_db_validate_default_1000_blocks(default_1000_blocks: list[FullBlo
         # we expect everything to be valid except this is a test chain, so it
         # doesn't have the correct genesis challenge
         with pytest.raises(RuntimeError) as execinfo:
-            validate_v2(db_file, validate_blocks=True)
+            validate_v2(db_file, config=default_config, validate_blocks=True)
         assert "Blockchain has invalid genesis challenge" in str(execinfo.value)
+
+        new_config = default_config.copy()
+        new_config["full_node"]["network_overrides"]["constants"]["local"]["AGG_SIG_ME_ADDITIONAL_DATA"] = (
+            default_1000_blocks[0].foliage.prev_block_hash.hex()
+        )
+        validate_v2(db_file, config=new_config, validate_blocks=True)

chia/cmds/db_validate_func.py

@@ -4,6 +4,7 @@
 from typing import Any, Optional
 
 from chia.consensus.block_record import BlockRecord
+from chia.consensus.constants import replace_str_to_bytes
 from chia.consensus.default_constants import DEFAULT_CONSTANTS
 from chia.types.blockchain_format.sized_bytes import bytes32
 from chia.types.full_block import FullBlock
@@ -17,19 +18,20 @@ def db_validate_func(
     *,
     validate_blocks: bool,
 ) -> None:
+    config: dict[str, Any] = load_config(root_path, "config.yaml")
     if in_db_path is None:
-        config: dict[str, Any] = load_config(root_path, "config.yaml")["full_node"]
-        selected_network: str = config["selected_network"]
-        db_pattern: str = config["database_path"]
+        full_node_config = config["full_node"]
+        selected_network: str = full_node_config["selected_network"]
+        db_pattern: str = full_node_config["database_path"]
         db_path_replaced: str = db_pattern.replace("CHALLENGE", selected_network)
         in_db_path = path_from_root(root_path, db_path_replaced)
 
-    validate_v2(in_db_path, validate_blocks=validate_blocks)
+    validate_v2(in_db_path, config=config, validate_blocks=validate_blocks)
 
     print(f"\n\nDATABASE IS VALID: {in_db_path}\n")
 
 
-def validate_v2(in_path: Path, *, validate_blocks: bool) -> None:
+def validate_v2(in_path: Path, *, config: dict[str, Any], validate_blocks: bool) -> None:
     import sqlite3
     from contextlib import closing
 
@@ -174,10 +176,14 @@ def validate_v2(in_path: Path, *, validate_blocks: bool) -> None:
 
         # make sure the prev_hash pointer of block height 0 is the genesis
         # challenge
-        if next_hash != DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA:
+        service_config = config["full_node"]
+        network_id = service_config["selected_network"]
+        overrides = service_config["network_overrides"]["constants"][network_id]
+        updated_constants = replace_str_to_bytes(DEFAULT_CONSTANTS, **overrides)
+        if next_hash != updated_constants.AGG_SIG_ME_ADDITIONAL_DATA:
             raise RuntimeError(
                 f"Blockchain has invalid genesis challenge {next_hash}, expected "
-                f"{DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA.hex()}"
+                f"{updated_constants.AGG_SIG_ME_ADDITIONAL_DATA.hex()}"
             )
 
         if num_orphans > 0: