#!/usr/bin/env python3
"""READ-ONLY reproduction: Metronome governance / MET Escrow (esMET)
Reconstructed for portability; NOT rerun when this map was built.
The map displays older archived evidence, not output generated by this script.
Default RPC: https://rpc.pulsechain.com (public). Override with --rpc. Python standard library only; no keys/signatures/broadcasts.
Archive-state access is required at the saved block. trace_callMany is client-dependent.
"""
import argparse, copy, datetime, json, urllib.request
CALLS = [{'label': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
  'request': {'jsonrpc': '2.0',
              'id': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
              'method': 'eth_call',
              'params': [{'to': '0xc8697de7c190244bfd63d276823aa20035cb5a12', 'data': '0x06fdde03'},
                         '0x1a8889b']}},
 {'label': '42',
  'request': {'jsonrpc': '2.0',
              'id': '42',
              'method': 'eth_call',
              'params': [{'to': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
                          'data': '0x3e4f49e6f134e46af95d80a90b860594ba4402d9e78bec5b70eb2c8c11928ef709b08924'},
                         '0x1a8889b']}},
 {'label': '43',
  'request': {'jsonrpc': '2.0',
              'id': '43',
              'method': 'eth_call',
              'params': [{'to': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
                          'data': '0x3e4f49e6410cd82f1bbb032871a26d20f592ed2fb1fdd1e732226603251a1b03258b6883'},
                         '0x1a8889b']}},
 {'label': '44',
  'request': {'jsonrpc': '2.0',
              'id': '44',
              'method': 'eth_call',
              'params': [{'to': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
                          'data': '0x3e4f49e6080540500573bf08bbe5c711d49bd684e48b2112cb93fe61c83c6ccfa87b8f11'},
                         '0x1a8889b']}},
 {'label': '45',
  'request': {'jsonrpc': '2.0',
              'id': '45',
              'method': 'eth_call',
              'params': [{'to': '0xc8697de7c190244bfd63d276823aa20035cb5a12',
                          'data': '0x3e4f49e6873546ae4795cd2794520b4f4d8a8669bfe194c78f00ef068f2692bcdfefe777'},
                         '0x1a8889b']}}]
ALLOWED = {"eth_call", "eth_getCode", "eth_getStorageAt", "eth_getBalance",
           "eth_getTransactionByHash", "eth_getTransactionReceipt", "eth_getBlockByNumber",
           "eth_getLogs", "trace_callMany", "debug_traceTransaction", "trace_transaction",
           "eth_chainId", "ots_traceTransaction", "eth_getTransactionCount"}

def rpc(url, method, params, timeout):
    if method not in ALLOWED:
        raise ValueError("Method not allowed by this read-only script: " + method)
    body = {"jsonrpc": "2.0", "id": 1, "method": method, "params": params}
    request = urllib.request.Request(url, json.dumps(body).encode(), {"Content-Type": "application/json", "User-Agent": "pSTABLES-readonly-check/1.0"})
    with urllib.request.urlopen(request, timeout=timeout) as response:
        return json.load(response)

def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--rpc", default="https://rpc.pulsechain.com")
    parser.add_argument("--pin", type=lambda value: int(value, 0), help="Optional state-block override; historical transaction hashes and calldata remain unchanged")
    parser.add_argument("--timeout", type=int, default=90)
    parser.add_argument("--output", help="Optional JSON output filename; otherwise stdout")
    parser.add_argument("--print-requests", action="store_true", help="Inspect requests without connecting to any RPC")
    args = parser.parse_args()
    calls = copy.deepcopy(CALLS)
    for row in calls:
        q = row["request"]
        if args.pin is not None and q["method"] in {"eth_call", "eth_getCode", "eth_getStorageAt", "eth_getBalance", "eth_getTransactionCount", "trace_callMany"}:
            q["params"][-1] = hex(args.pin)
    if args.print_requests:
        print(json.dumps(calls, indent=2)); return
    chain = rpc(args.rpc, "eth_chainId", [], args.timeout)
    if chain.get("result") != "0x171":
        raise RuntimeError("Expected PulseChain chain ID 369; got " + str(chain))
    output = {"generated_utc": datetime.datetime.now(datetime.timezone.utc).isoformat(),
              "read_only": True, "signed_or_broadcast": False,
              "pin_override": args.pin, "reads": []}
    for row in calls:
        q = row["request"]
        try:
            response = rpc(args.rpc, q["method"], q["params"], args.timeout)
        except Exception as error:
            response = {"transport_error": str(error)}
        output["reads"].append({"label": row["label"], "request": q, "response": response})
    text = json.dumps(output, indent=2)
    if args.output:
        with open(args.output, "w", encoding="utf-8") as target: target.write(text + "\n")
    else: print(text)

if __name__ == "__main__": main()