portfolio-sync

Portfolio Sync Skill

Real methods to fetch and sync positions from each prediction market platform.

Polymarket Position Sync

Polymarket positions are held as ERC-1155 tokens on Polygon. Query on-chain balances.

import os
import requests

WALLET = os.getenv("POLY_FUNDER_ADDRESS")
CTF_CONTRACT = "0x4D97DCd97eC945f40cF65F87097ACe5EA0476045"  # Conditional Token Framework

def get_polymarket_positions(token_ids: list[str]) -> dict:
    """
    Get balances for specific token IDs

    Args:
        token_ids: List of token IDs to check (from market data)

    Returns:
        Dict of token_id -> balance in shares
    """
    positions = {}

    for token_id in token_ids:
        token_int = int(token_id)

        # ERC-1155 balanceOf call
        data = f"0x00fdd58e000000000000000000000000{WALLET[2:].lower()}{token_int:064x}"

        r = requests.post("https://polygon-rpc.com/", json={
            "jsonrpc": "2.0",
            "method": "eth_call",
            "params": [{"to": CTF_CONTRACT, "data": data}, "latest"],
            "id": 1
        })

        result = r.json().get("result", "0x0")
        balance = int(result, 16) / 1e6  # Raw to shares

        if balance > 0:
            positions[token_id] = balance

    return positions

# Example: Check positions for BTC 15-min market
btc_tokens = [
    "21742633143463906290569050155826241533067272736897614950488156847949938836455",  # YES
    "48331043336612883890938759509493159234755048973500640148014422747788308965745"   # NO
]

positions = get_polymarket_positions(btc_tokens)
for token_id, balance in positions.items():
    print(f"Token {token_id[:20]}...: {balance} shares")

Get All Polymarket Positions (via Gamma API)

def get_all_polymarket_positions(wallet: str):
    """Get all positions for a wallet via Gamma API"""
    url = f"https://gamma-api.polymarket.com/positions?user={wallet.lower()}"
    r = requests.get(url)

    if r.status_code != 200:
        return []

    positions = r.json()

    result = []
    for p in positions:
        result.append({
            "market_id": p.get("conditionId"),
            "market_question": p.get("title", "Unknown"),
            "token_id": p.get("tokenId"),
            "outcome": p.get("outcome"),
            "size": float(p.get("size", 0)),
            "avg_price": float(p.get("avgPrice", 0)),
            "current_price": float(p.get("currentPrice", 0)),
            "pnl": float(p.get("pnl", 0)),
            "value": float(p.get("value", 0))
        })

    return result

positions = get_all_polymarket_positions(WALLET)
for p in positions:
    print(f"{p['market_question'][:40]}")
    print(f"  {p['outcome']}: {p['size']} shares @ {p['avg_price']:.2f} -> {p['current_price']:.2f}")
    print(f"  PnL: ${p['pnl']:.2f}")