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darkfi/bin/zkrunner/zkrender.py

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2.5 KiB
Python
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#!/usr/bin/env python3
# This file is part of DarkFi (https://dark.fi)
#
# Copyright (C) 2020-2024 Dyne.org foundation
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
Python tool to render zkVM circuit layouts given zkas source code.
"""
import sys
from darkfi_sdk.zkas import ZkBinary, ZkCircuit
from zkrunner import eprint, load_circuit_witness
def main(witness_file, source_file, output, width, height, font_size):
print("Compiling zkas code...")
with open(source_file, "r", encoding="utf-8") as zkas_file:
zkas_source = zkas_file.read()
zkbin = ZkBinary(source_file, zkas_source)
circuit = ZkCircuit(zkbin)
print("Decoding witnesses...")
load_circuit_witness(circuit, witness_file)
circuit = circuit.prover_build()
if not circuit.render(zkbin.k(), output, width, height, font_size):
eprint("Rendering failed")
print(f"Written output to '{output}'")
if __name__ == "__main__":
from argparse import ArgumentParser
parser = ArgumentParser(
prog="zkrender",
description="Python util for rendering zk circuits",
epilog="This tool is only for prototyping purposes",
)
parser.add_argument(
"SOURCE",
help="Path to zkas source code",
)
parser.add_argument(
"-w",
"--witness",
required=True,
help="Path to JSON file holding witnesses",
)
parser.add_argument(
"OUTPUT",
help="Path to output image",
)
parser.add_argument(
"-W", "--width", type=int,
default=800,
help="Image width",
)
parser.add_argument(
"-H", "--height", type=int,
default=600,
help="Image width",
)
parser.add_argument(
"-f", "--font-size", type=int,
default=20,
help="Image width",
)
args = parser.parse_args()
sys.exit(main(args.witness, args.SOURCE, args.OUTPUT,
args.width, args.height, args.font_size))