📅 Original date posted:2021-09-09
📝 Original message:https://github.com/bitcoin/libblkmaker/blob/master/blkmaker.c#L172
On Thursday 09 September 2021 12:54:18 Mike Rosset via bitcoin-dev wrote:
> Hello all,
>
> I recently went down the bitcoin protocol rabbit hole. I wanted to use
> GNU guile scheme to experiment with bitcoin. I initially started by
> creating a toy bitcoin miner but I've run into some inconsistencies with
> the documentation found on
> https://en.bitcoin.it/wiki/Getblocktemplate. Namely with creating the
> templates merkle root.
>
> From my understanding a coinbase transaction should have the
> transactions data concatenated before creating the merkle root. But
> getblocktemplate does not have a json cointbasetxn field. So I'm not
> sure how to create a coinbase transaction without that.
>
> I have a test template response data found here.
> https://raw.githubusercontent.com/mrosset/prospect/master/test-suite/data.j
>son and using a modified version of the merkle python reference script found
> on the wiki page. see
> https://github.com/mrosset/prospect/blob/master/scripts/merkle.py . I'm
> able to create a merkle root with the hash
> c5fff939f628a04428c080ed5bd7cd9bc0b4722b2522743049adb18213adf28a but
> that's minus the coinbase transaction.
>
> So far I'm able to replicate this hash using the test data in guile. But
> I'd like to sanitize this so that I'm using a coinbase transaction and
> making sure the python and guile merkle roots match.
>
> In short how do I get the coinbase transaction without the coinbasetxn
> field existing?
>
> Mike
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev at lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
Luke Dashjr [ARCHIVE] /
npub1tf…rfq0n
2023-06-07 22:59:08
in reply to nevent1q…x6hy
Author Public Key
npub1tfk373zg9dnmtvxnpnq7s2dkdgj37rwfj3yrwld7830qltmv8qps8rfq0nPublished at
2023-06-07 22:59:08Event JSON
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"content": "📅 Original date posted:2021-09-09\n📝 Original message:https://github.com/bitcoin/libblkmaker/blob/master/blkmaker.c#L172\n\nOn Thursday 09 September 2021 12:54:18 Mike Rosset via bitcoin-dev wrote:\n\u003e Hello all,\n\u003e\n\u003e I recently went down the bitcoin protocol rabbit hole. I wanted to use\n\u003e GNU guile scheme to experiment with bitcoin. I initially started by\n\u003e creating a toy bitcoin miner but I've run into some inconsistencies with\n\u003e the documentation found on\n\u003e https://en.bitcoin.it/wiki/Getblocktemplate. Namely with creating the\n\u003e templates merkle root.\n\u003e\n\u003e From my understanding a coinbase transaction should have the\n\u003e transactions data concatenated before creating the merkle root. But\n\u003e getblocktemplate does not have a json cointbasetxn field. So I'm not\n\u003e sure how to create a coinbase transaction without that.\n\u003e\n\u003e I have a test template response data found here.\n\u003e https://raw.githubusercontent.com/mrosset/prospect/master/test-suite/data.j\n\u003eson and using a modified version of the merkle python reference script found\n\u003e on the wiki page. see\n\u003e https://github.com/mrosset/prospect/blob/master/scripts/merkle.py . I'm\n\u003e able to create a merkle root with the hash\n\u003e c5fff939f628a04428c080ed5bd7cd9bc0b4722b2522743049adb18213adf28a but\n\u003e that's minus the coinbase transaction.\n\u003e\n\u003e So far I'm able to replicate this hash using the test data in guile. But\n\u003e I'd like to sanitize this so that I'm using a coinbase transaction and\n\u003e making sure the python and guile merkle roots match.\n\u003e\n\u003e In short how do I get the coinbase transaction without the coinbasetxn\n\u003e field existing?\n\u003e\n\u003e Mike\n\u003e _______________________________________________\n\u003e bitcoin-dev mailing list\n\u003e bitcoin-dev at lists.linuxfoundation.org\n\u003e https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev",
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