import json, csv

raw = json.load(open('/root/troupe-standup/wizard-work/ledger/raw_crypto.json'))
cols = ['rank', 'name', 'symbol', 'current_price', 'market_cap',
        'market_cap_change_24h_pct', 'total_volume', 'circulating_supply',
        'ath', 'ath_date', 'atl', 'atl_date', 'last_updated']

with open('/root/troupe-standup/wizard-work/ledger/crypto_top10.csv', 'w', newline='') as f:
    w = csv.DictWriter(f, fieldnames=cols)
    w.writeheader()
    for i, r in enumerate(raw, start=1):
        w.writerow({**{c: r.get(c) for c in cols}, 'rank': i})

print('wrote crypto_top10.csv')