user18196: I will explain my question through an example on the bitcoin testnet network.
I am looking at the output at index 0 of this transaction:
2a50bcc2ec49573ef816a95781b802766910f8690968236cf451cfc32defc491

I can tell through the bitcoin testnet block explorer that it was spent in this transaction:
7b1b3788ae4251d164031f899ba4e81f6371f70c24e71d38b03d44292ada9c81

Is there a way to use the bitcoind RPC methods to determine that it was 7b1b3... that was the transaction that spent this transaction output?
Thank you!

user208: Bitcoind does not track this information as it is not necessary for normal validation, so no, this is not easily possible.

18196: <p>I will explain my question through an example on the bitcoin testnet network.</p>

<p>I am looking at the output at index 0 of this transaction:</p>

<pre><code>2a50bcc2ec49573ef816a95781b802766910f8690968236cf451cfc32defc491
</code></pre>

<p>I can tell through the bitcoin testnet block explorer that it was spent <a href="http://blockexplorer.com/testnet/tx/7b1b3788ae4251d164031f899ba4e81f6371f70c24e71d38b03d44292ada9c81#i74294159" rel="nofollow">in this transaction</a>:</p>

<pre><code>7b1b3788ae4251d164031f899ba4e81f6371f70c24e71d38b03d44292ada9c81
</code></pre>

<p>Is there a way to use the bitcoind RPC methods to determine that it was 7b1b3... that was the transaction that spent this transaction output?</p>

<p>Thank you!</p>
 208: <p>Bitcoind does not track this information as it is not necessary for normal validation, so no, this is not easily possible.</p>
