Track down spend bundles that spent coin and it's descendants

track_coin_id.py

import requests
import sys
import json

coin_ids = [sys.argv[1]]

transactions = []
cache = {}
while coin_ids:
    additions = []
    for coin_id in coin_ids:
        coin_txs = requests.post(
            "https://api.mojonode.com/get_transactions_for_coin", json={"name": coin_id}
        )
        tx_id = coin_txs.json()["coin_transactions"]["removed_by"]
        if tx_id and tx_id not in cache:
            tx_req = requests.post(
                "https://api.mojonode.com/get_tx_by_name", json={"name": tx_id}
            )
            tx = tx_req.json()["transaction"]
            additions.extend(tx["additions"])
            transactions.append(tx)
            cache[tx_id] = True
    coin_ids = additions
print(json.dumps(transactions, indent=4))

For example, to use to track prefarm 200k coin:
python track_coin_id.py 0x66ad46d67e14ae716b5cbaa086e0e63c24250d464e4b8be254f74ec74aacdd17

(you'll need a requests library)