getmempooldescendants "txid" ( verbose ) If txid is in the mempool, returns all in-mempool descendants. Arguments: 1. txid (string, required) The transaction id (must be in mempool) 2. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids Result (for verbose = false): [ (json array) "hex", (string) The transaction id of an in-mempool descendant transaction ... ] Result (for verbose = true): {} (empty JSON object) Examples: > bitcoin-cli getmempooldescendants "mytxid" > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getmempooldescendants", "params": ["mytxid"]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/