Merge pull request #121 from moonstream-to/foundry-projects

Generate Brownie interface for Foundry project

moonworm/cli.py

@@ -106,16 +106,34 @@ def handle_brownie_generate(args: argparse.Namespace):
 
     project_directory = args.project
     build_directory = os.path.join(project_directory, "build", "contracts")
+    intermediate_dirs: List[str] = []
+    if args.foundry:
+        build_directory = os.path.join(project_directory, "out")
 
     build_file_path = os.path.join(build_directory, f"{args.name}.json")
-    if not os.path.isfile(build_file_path):
-        raise IOError(
-            f"File does not exist: {build_file_path}. Maybe you have to compile the smart contracts?"
-        )
+    if args.foundry:
+        if args.sol_filename is not None:
+            build_file_path = os.path.join(
+                build_directory, args.sol_filename, f"{args.name}.json"
+            )
+            intermediate_dirs.append(args.sol_filename)
+        else:
+            build_file_path = os.path.join(
+                build_directory, f"{args.name}.sol", f"{args.name}.json"
+            )
+            intermediate_dirs.append(f"{args.name}.sol")
+    else:
+        if not os.path.isfile(build_file_path):
+            raise IOError(
+                f"File does not exist: {build_file_path}. Maybe you have to compile the smart contracts?"
+            )
 
     with open(build_file_path, "r") as ifp:
         build = json.load(ifp)
 
+    if args.foundry:
+        build["contractName"] = args.name
+
     relpath = os.path.relpath(project_directory, args.outdir)
     splitted_relpath = [
         f'"{item}"' for item in relpath.split(os.sep)
@@ -129,6 +147,8 @@ def handle_brownie_generate(args: argparse.Namespace):
         args.name,
         splitted_relpath_string,
         prod=args.prod,
+        foundry=args.foundry,
+        intermediate_dirs=intermediate_dirs,
     )
     write_file(interface, os.path.join(args.outdir, args.name + ".py"))
 
@@ -355,12 +375,22 @@ def generate_argument_parser() -> argparse.ArgumentParser:
         "-p",
         "--project",
         required=True,
-        help=f"Path to brownie project directory",
+        help=f"Path to brownie/foundry project directory",
+    )
+    generate_brownie_parser.add_argument(
+        "--foundry",
+        action="store_true",
+        help="Project is using Foundry (if not specified, the assumption is that the project uses brownie)",
+    )
+    generate_brownie_parser.add_argument(
+        "--sol-filename",
+        required=False,
+        help="Name of solidity file containing your contract; required if --foundry, moonworm will look for build artifacts in out/<this filename>, defaults to the contract name if not provided",
     )
     generate_brownie_parser.add_argument(
         "--prod",
         action="store_true",
-        help="Generate shippable python interface, in which abi and bytecode will be included inside the generated file",
+        help="Generate self-contained python interface, in which ABI and bytecode will be included inside the generated file",
     )
     generate_brownie_parser.set_defaults(func=handle_brownie_generate)
 

moonworm/generators/brownie.py

@@ -21,14 +21,19 @@ BROWNIE_INTERFACE_TEMPLATE_PATH = os.path.join(
 BROWNIE_INTERFACE_PROD_TEMPLATE_PATH = os.path.join(
     os.path.dirname(__file__), "brownie_contract_prod.py.template"
 )
+BROWNIE_INTERFACE_FOUNDRY_TEMPLATE_PATH = os.path.join(
+    os.path.dirname(__file__), "brownie_contract_foundry.py.template"
+)
 try:
     with open(BROWNIE_INTERFACE_TEMPLATE_PATH, "r") as ifp:
         BROWNIE_INTERFACE_TEMPLATE = ifp.read()
     with open(BROWNIE_INTERFACE_PROD_TEMPLATE_PATH, "r") as ifp:
         BROWNIE_INTERFACE_PROD_TEMPLATE = ifp.read()
+    with open(BROWNIE_INTERFACE_FOUNDRY_TEMPLATE_PATH, "r") as ifp:
+        BROWNIE_INTERFACE_FOUNDRY_TEMPLATE = ifp.read()
 except Exception as e:
     logging.warn(
-        f"WARNING: Could not load cli template from ({BROWNIE_INTERFACE_TEMPLATE_PATH})/({BROWNIE_INTERFACE_PROD_TEMPLATE_PATH}):"
+        f"WARNING: Could not load cli template from ({BROWNIE_INTERFACE_TEMPLATE_PATH})/({BROWNIE_INTERFACE_PROD_TEMPLATE_PATH})/({BROWNIE_INTERFACE_FOUNDRY_TEMPLATE_PATH}):"
     )
     logging.warn(e)
 
@@ -962,6 +967,8 @@ def generate_brownie_interface(
     cli: bool = True,
     format: bool = True,
     prod: bool = False,
+    foundry: bool = True,
+    intermediate_dirs: Optional[List[str]] = None,
 ) -> str:
     """
     Generates Python code which allows you to interact with a smart contract with a given ABI, build data, and a given name.
@@ -988,6 +995,11 @@ def generate_brownie_interface(
     7. `prod`: If True, creates a self-contained file. Generated code will not require reference to an
     existing brownie project at its runtime.
 
+    8. `foundry`: If True, assumes a Foundry project structure.
+
+    9. intermediate_dirs: Currently only used for Foundry projects. Path to build file via intermediate
+    build subdirectory which takes the name of the Solidity file that the contract is implemented in.
+
 
     ## Outputs
     The generated code as a string.
@@ -1011,6 +1023,14 @@ def generate_brownie_interface(
             contract_body=contract_body,
             moonworm_version=MOONWORM_VERSION,
         )
+    elif foundry:
+        content = BROWNIE_INTERFACE_FOUNDRY_TEMPLATE.format(
+            contract_body=contract_body,
+            moonworm_version=MOONWORM_VERSION,
+            relative_path=relative_path,
+            build_subdir=intermediate_dirs[0],
+        )
+
     else:
         content = BROWNIE_INTERFACE_TEMPLATE.format(
             contract_body=contract_body,

moonworm/generators/brownie_contract_foundry.py.template

@@ -0,0 +1,85 @@
+# Code generated by moonworm : https://github.com/moonstream-to/moonworm
+# Moonworm version : {moonworm_version}
+
+import argparse
+import json
+import os
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Union
+
+from brownie import Contract, network, project
+from brownie.network.contract import ContractContainer
+from eth_typing.evm import ChecksumAddress
+
+
+PROJECT_DIRECTORY = os.path.abspath(os.path.join(os.path.dirname(__file__), {relative_path}))
+BUILD_DIRECTORY = os.path.join(PROJECT_DIRECTORY, "out", "{build_subdir}")
+
+def boolean_argument_type(raw_value: str) -> bool:
+    TRUE_VALUES = ["1", "t", "y", "true", "yes"]
+    FALSE_VALUES = ["0", "f", "n", "false", "no"]
+
+    if raw_value.lower() in TRUE_VALUES:
+        return True
+    elif raw_value.lower() in FALSE_VALUES:
+        return False
+
+    raise ValueError(
+        f"Invalid boolean argument: {{raw_value}}. Value must be one of: {{','.join(TRUE_VALUES + FALSE_VALUES)}}"
+    )
+
+def bytes_argument_type(raw_value: str) -> str:
+    return raw_value
+
+def get_abi_json(abi_name: str) -> List[Dict[str, Any]]:
+    abi_full_path = os.path.join(BUILD_DIRECTORY, f"{{abi_name}}.json")
+    if not os.path.isfile(abi_full_path):
+        raise IOError(
+            f"File does not exist: {{abi_full_path}}. Maybe you have to compile the smart contracts?"
+        )
+
+    with open(abi_full_path, "r") as ifp:
+        build = json.load(ifp)
+
+    abi_json = build.get("abi")
+    if abi_json is None:
+        raise ValueError(f"Could not find ABI definition in: {{abi_full_path}}")
+
+    return abi_json
+
+
+def contract_from_build(abi_name: str) -> ContractContainer:
+    # This is workaround because brownie currently doesn't support loading the same project multiple
+    # times. This causes problems when using multiple contracts from the same project in the same
+    # python project.
+    PROJECT = project.main.Project("moonworm", Path(PROJECT_DIRECTORY))
+
+    abi_full_path = os.path.join(BUILD_DIRECTORY, f"{{abi_name}}.json")
+    if not os.path.isfile(abi_full_path):
+        raise IOError(
+            f"File does not exist: {{abi_full_path}}. Maybe you have to compile the smart contracts?"
+        )
+
+    with open(abi_full_path, "r") as ifp:
+        foundry_build = json.load(ifp)
+
+    build = {{
+        "type": "contract",
+        "ast": foundry_build["ast"],
+        "abi": foundry_build["abi"],
+        "contractName": abi_name,
+        "compiler": {{
+            "version": foundry_build["metadata"]["compiler"]["version"],
+        }},
+        "language": foundry_build["metadata"]["language"],
+        "bytecode": foundry_build["bytecode"]["object"],
+        "sourceMap": foundry_build["bytecode"]["sourceMap"],
+        "deployedBytecode": foundry_build["deployedBytecode"]["object"],
+        "deployedSourceMap": foundry_build["deployedBytecode"]["sourceMap"],
+        "pcMap": {{}},
+    }}
+
+    return ContractContainer(PROJECT, build)
+
+
+{contract_body}

moonworm/version.py

@@ -1 +1 @@
-MOONWORM_VERSION = "0.7.2"
+MOONWORM_VERSION = "0.8.0"