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allaun
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This squashes all local history (768 commits) onto the scrubbed PR #90 baseline. Individual commits were lost during filter-repo corruption; the working tree content is preserved intact. Build: N/A (working tree state only)
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""Derive a deterministic trinary VM program from an input file."""
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from __future__ import annotations
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import argparse
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import hashlib
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import json
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from pathlib import Path
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WIDTH = 6
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TRIT_MAP = {0: -1, 1: 0, 2: 1}
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SCHEMA = "trinary_vm_derivation_v1"
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def sha256_file(path: Path) -> str:
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digest = hashlib.sha256()
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with path.open("rb") as handle:
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for chunk in iter(lambda: handle.read(1024 * 1024), b""):
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digest.update(chunk)
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return digest.hexdigest()
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def byte_to_trits(value: int) -> list[int]:
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digits = [0] * WIDTH
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remaining = value
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for index in range(WIDTH - 1, -1, -1):
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remaining, digit = divmod(remaining, 3)
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digits[index] = TRIT_MAP[digit]
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return digits
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def derive_program_bytes(data: bytes) -> list[dict[str, object]]:
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program: list[dict[str, object]] = []
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for value in data:
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for index, trit in enumerate(byte_to_trits(value)):
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program.append(
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{
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"op": "SET",
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"target": "alpha",
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"index": index,
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"value": trit,
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}
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)
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program.append(
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{
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"op": "SHIFT",
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"target": "alpha",
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"direction": "right",
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}
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)
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return program
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def derive_payload(input_path: Path) -> dict[str, object]:
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data = input_path.read_bytes()
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return {
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"schema": SCHEMA,
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"input_path": str(input_path),
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"input_size_bytes": len(data),
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"input_sha256": sha256_file(input_path),
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"subregisters": {
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"alpha": [0] * WIDTH,
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"beta": [0] * WIDTH,
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},
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"program": derive_program_bytes(data),
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}
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--input", required=True, help="Input file to derive from.")
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parser.add_argument("--output", required=True, help="Path to write the JSON program.")
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return parser.parse_args()
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def main() -> int:
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args = parse_args()
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input_path = Path(args.input).resolve()
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output_path = Path(args.output).resolve()
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payload = derive_payload(input_path)
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output_path.write_text(json.dumps(payload, indent=2) + "\n", encoding="utf-8")
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print(f"Wrote derived program to {output_path}")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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