# v0.3.0 # { "Depends": "py-genlayer:5jycge4q8k23462jtb0b9fyey1s9qz928sz2nbrd9mg4sxqg2qng" } import genlayer as gl from genlayer.types import * import json import typing class SportsReferee(gl.contract.Contract): """ Public replay desk. Creates a dispute with immutable rules + public URLs, fetches those sources at resolve time, and writes YES / NO / VOID once validators agree on the verdict. """ admin: str disputes_json: str dispute_counter: u256 def __init__(self): self.admin = str(gl.message.sender_address) self.disputes_json = "{}" self.dispute_counter = u256(0) def _load(self) -> dict: try: data = json.loads(self.disputes_json or "{}") return data if isinstance(data, dict) else {} except Exception: return {} def _save(self, data: dict) -> None: self.disputes_json = json.dumps(data, sort_keys=True) def _empty(self) -> dict: return { "creator": "", "sport": "", "league": "", "event_name": "", "play_timestamp": "", "claim": "", "rule_text": "", "mode": "call", "evidence_url": "", "evidence_url_fallback": "", "stats_url": "", "json_field_path": "", "comparison": "", "target_value": "", "status": "open", "verdict": "", "reasoning": "", "observed_value": "", "created_at": "", "resolved_at": "", "appeal_used": False, "appeal_context": "", } def _require_http(self, url: str, label: str) -> None: if not url.startswith("http://") and not url.startswith("https://"): raise gl.vm.UserError(label + " must be http(s)") def _compare(self, observed: float, target: float, op: str) -> bool: if op == ">": return observed > target if op == ">=": return observed >= target if op == "<": return observed < target if op == "<=": return observed <= target if op == "==": return observed == target raise gl.vm.UserError("invalid comparison") def _extract_path(self, data, path: str): node = data for part in path.split("."): if isinstance(node, dict) and part in node: node = node[part] else: raise KeyError(part) return float(node) def _fetch_text(self, url: str) -> str: if not url or not url.startswith("http"): return "" try: # Correct GenLayer web retrieval call page_content = gl.get_webpage(url) return str(page_content)[:4000] except Exception: return "" @gl.public.write def create_dispute( self, sport: str, league: str, event_name: str, play_timestamp: str, claim: str, rule_text: str, mode: str, evidence_url: str, evidence_url_fallback: str, stats_url: str, json_field_path: str, comparison: str, target_value: str, ) -> str: if len(sport.strip()) < 2: raise gl.vm.UserError("sport required") if len(event_name.strip()) < 4: raise gl.vm.UserError("event_name too short") if len(claim.strip()) < 12: raise gl.vm.UserError("claim too short") if len(rule_text.strip()) < 20: raise gl.vm.UserError("rule_text too short — lock the standard now") if mode not in ["data", "call"]: raise gl.vm.UserError("mode must be data or call") self._require_http(evidence_url, "evidence_url") if evidence_url_fallback != "": self._require_http(evidence_url_fallback, "evidence_url_fallback") if stats_url != "": self._require_http(stats_url, "stats_url") if mode == "data": if len(json_field_path.strip()) < 1: raise gl.vm.UserError("json_field_path required for data mode") if comparison not in [">", ">=", "<", "<=", "=="]: raise gl.vm.UserError("comparison must be > >= < <= ==") try: float(target_value) except Exception: raise gl.vm.UserError("target_value must be numeric") self.dispute_counter = u256(int(self.dispute_counter) + 1) dispute_id = "dispute_" + str(int(self.dispute_counter)) data = self._load() row = self._empty() row["creator"] = str(gl.message.sender_address) row["sport"] = sport.strip() row["league"] = league.strip() row["event_name"] = event_name.strip() row["play_timestamp"] = play_timestamp.strip() row["claim"] = claim.strip() row["rule_text"] = rule_text.strip() row["mode"] = mode row["evidence_url"] = evidence_url.strip() row["evidence_url_fallback"] = evidence_url_fallback.strip() row["stats_url"] = stats_url.strip() row["json_field_path"] = json_field_path.strip() row["comparison"] = comparison.strip() row["target_value"] = target_value.strip() row["created_at"] = gl.message.raw["datetime"] data[dispute_id] = row self._save(data) return dispute_id @gl.public.write def resolve(self, dispute_id: str) -> None: data = self._load() if dispute_id not in data: raise gl.vm.UserError("unknown dispute_id") row = data[dispute_id] if row.get("status") not in ["open"]: raise gl.vm.UserError("dispute is not open") mode = row["mode"] claim = row["claim"] rule_text = row["rule_text"] sport = row["sport"] event_name = row["event_name"] play_timestamp = row["play_timestamp"] primary = row["evidence_url"] fallback = row["evidence_url_fallback"] stats_url = row["stats_url"] field_path = row["json_field_path"] op = row["comparison"] target_str = row["target_value"] if mode == "data": def evaluate_data() -> str: urls = [primary] if fallback.startswith("http"): urls.append(fallback) if stats_url.startswith("http"): urls.append(stats_url) last_err = "no source" for url in urls: raw = self._fetch_text(url) if not raw: last_err = "empty body" continue try: parsed = json.loads(raw) observed = self._extract_path(parsed, field_path) target = float(target_str) hit = self._compare(observed, target, op) return json.dumps( { "verdict": "YES" if hit else "NO", "observed": str(round(observed, 6)), }, sort_keys=True, separators=(",", ":"), ) except Exception: last_err = "parse_or_path" continue return json.dumps( {"verdict": "VOID", "observed": last_err}, sort_keys=True, separators=(",", ":"), ) packed = json.loads(gl.eq_principle.strict_eq(evaluate_data)) verdict = str(packed.get("verdict", "VOID")) if verdict not in ["YES", "NO", "VOID"]: verdict = "VOID" observed = str(packed.get("observed", "")) else: def evaluate_call() -> str: urls = [primary] if fallback.startswith("http"): urls.append(fallback) if stats_url.startswith("http"): urls.append(stats_url) chunks = [] for url in urls: txt = self._fetch_text(url) if txt: chunks.append("SOURCE " + url + ":\n" + txt) if len(chunks) == 0: return "VOID" evidence = "\n\n".join(chunks)[:6000] prompt = f"""You are an independent sports replay official. Sport: {sport} Event: {event_name} Play time: {play_timestamp} Claim to judge (true or false): {claim} Written rule / standard (immutable): {rule_text} Public evidence text: {evidence} Decide only from the evidence and the written rule. Reply with ONE word: YES — the claim is clearly supported NO — the claim is clearly false VOID — wrong clip, missing angle, paywalled, or too ambiguous No other words. """ raw = gl.exec_prompt(prompt).strip().upper() if raw.startswith("YES"): return "YES" if raw.startswith("NO"): return "NO" return "VOID" verdict = gl.eq_principle.strict_eq(evaluate_call) if verdict not in ["YES", "NO", "VOID"]: verdict = "VOID" observed = "" if verdict == "YES": reasoning = "YES: public sources were judged to support the claim under the locked rule text." elif verdict == "NO": reasoning = "NO: public sources were judged not to support the claim under the locked rule text." else: reasoning = "VOID: evidence was missing, unreadable, or too ambiguous to settle the claim." if observed: reasoning = reasoning + " Observed=" + observed + "." row["verdict"] = verdict row["reasoning"] = reasoning row["observed_value"] = observed row["resolved_at"] = gl.message.raw["datetime"] row["status"] = "void" if verdict == "VOID" else "resolved" data[dispute_id] = row self._save(data) @gl.public.view def get_all_disputes(self) -> list: data = self._load() result = [] for dispute_id in sorted(data.keys()): row = data[dispute_id] row["dispute_id"] = dispute_id row["found"] = True result.append(row) return result