gettxspendingprevout (blockchain command)

Bitcoin Core 24.2 RPC

gettxspendingprevout [{"txid":"hex","vout":n},...]

Scans the mempool to find transactions spending any of the given outputs


1. outputs                 (json array, required) The transaction outputs that we want to check, and within each, the txid (string) vout (numeric).
       {                   (json object)
         "txid": "hex",    (string, required) The transaction id
         "vout": n,        (numeric, required) The output number


[                              (json array)
  {                            (json object)
    "txid" : "hex",            (string) the transaction id of the checked output
    "vout" : n,                (numeric) the vout value of the checked output
    "spendingtxid" : "hex"     (string, optional) the transaction id of the mempool transaction spending this output (omitted if unspent)


> bitcoin-cli gettxspendingprevout "[{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\",\"vout\":3}]"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "gettxspendingprevout", "params": ["[{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\",\"vout\":3}]"]}' -H 'content-type: text/plain;'