<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Tom,</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">It's clear that you have some rather large gaps in your knowledge of Bitcoin, its rules, implementation and game theory. I highly encourage you spend some time learning more about these things before continuing posting here. </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature"><a href="https://www.reddit.com/r/BitcoinBeginners/">https://www.reddit.com/r/BitcoinBeginners/</a> is a good place to start. It's a safe place where you can ask any question you want without fear of being laughed at.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Kind regards,</div><div id="AppleMailSignature"><br><br>Jean-Paul</div><div><br>On Apr 4, 2017, at 8:44 AM, Greg Sanders via bitcoin-dev <<a href="mailto:bitcoin-dev@lists.linuxfoundation.org">bitcoin-dev@lists.linuxfoundation.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">That's BIP30, he linked BIP34: <a href="https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L3004">https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L3004</a></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 4, 2017 at 11:32 AM, Tom Zander via bitcoin-dev <span dir="ltr"><<a href="mailto:bitcoin-dev@lists.linuxfoundation.org" target="_blank">bitcoin-dev@lists.linuxfoundation.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Can you tell me where it is enforced?<br>
<br>
The only place I found was here;<br>
<a href="https://github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L1793" rel="noreferrer" target="_blank">https://github.com/bitcoin/<wbr>bitcoin/blob/master/src/<wbr>validation.cpp#L1793</a><br>
<br>
which doesn’t enforce it, all that code does is check that the txid is<br>
unknown or fully spent.<br>
And since the below idea from Russel would change the txid, it would seem no<br>
full client would reject this.<br>
<br>
Maybe its in a BIP, but I can’t find it in the code.<br>
<div class="HOEnZb"><div class="h5"><br>
On Tuesday, 4 April 2017 16:59:12 CEST James Hilliard wrote:<br>
> It is a consensus rule<br>
> <a href="https://github.com/bitcoin/bips/blob/master/bip-0034.mediawiki" rel="noreferrer" target="_blank">https://github.com/bitcoin/<wbr>bips/blob/master/bip-0034.<wbr>mediawiki</a><br>
><br>
> On Tue, Apr 4, 2017 at 6:47 AM, Tom Zander via bitcoin-dev<br>
><br>
> <<a href="mailto:bitcoin-dev@lists.linuxfoundation.org">bitcoin-dev@lists.<wbr>linuxfoundation.org</a>> wrote:<br>
> > On Sunday, 2 April 2017 22:39:13 CEST Russell O'Connor via bitcoin-dev<br>
> ><br>
> > wrote:<br>
> >> Someone told me a while back that it would be more natural if we move<br>
> >> the<br>
> >><br>
> >> nHeight from the coinbase script to the coinbase locktime. Have you<br>
> >> considered doing this?<br>
> ><br>
> > That change would not be a consensus change and thus free to make any<br>
> > day.<br>
<br>
<br>
--<br>
Tom Zander<br>
Blog: <a href="https://zander.github.io" rel="noreferrer" target="_blank">https://zander.github.io</a><br>
Vlog: <a href="https://vimeo.com/channels/tomscryptochannel" rel="noreferrer" target="_blank">https://vimeo.com/channels/<wbr>tomscryptochannel</a><br>
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