Tuesday, November 5, 2024

python – Struggling to Decode Uncooked Hex Knowledge of a Block

I’m attempting to Decode the Uncooked hex knowledge of a Coinbase Block to verify my understanding of the DS however I’m dealing with some difficulties in decoding marked by a ? under:

Q1. Can somebody please verify the present understanding/interpratation and assist clarify and fill the gaps (marked by ?)

Q2. Is there a easy standalone program/library in to do the identical? I’ve seen few parsers (although have not used) however they require the whole blockchain .dat recordsdata that i can’t afford to obtain for this job.

The block is: https://www.blockchain.com/btc/block/485300


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

[PARAMETER]           [VALUE]

[Block Header]
model             - 00000020
Earlier Block hash - 53f7ebc735f54ac8d4ebcc1eeb3d3bdea89603bdd27431000000000000000000
Merkel Root         - ff964ec70ea5a5356a04fdb044ca6c59ffda2dd6be02c63d9ea58fb6d46e0199
time                - 1a22bb59
bits                - 1801310B
nonce               - f6df26f8

01 - transaction rely

[Tx List]
model                 - 01000000
<?>                     - 0001
enter ct                - 01
prev tx                 - 0000000000000000000000000000000000000000000000000000000000000000
prev out n              - ffffffff
coinbase script size  - 31
coinbase script         - 03b46707244d696e656420627920416e74506f6f6c6b2f4542312f4144362f4e59412f332059bb221ab8080000615c0300
sequence                - ffffffff
Output rely            - 02
worth 1                 - 807c814a00000000
Script 1 size         - 19
Script 1                - 76a914660371326d3a2e064c278b20107a65dad847e8a988ac
worth 2                 - 0000000000000000
Script 2 size         - 26
Script 2                - 6a24aa21a9ede2f61c3f71d1defd3fa999dfa36953755c690689799962b48bebd836974e8cf9
<?>                     - 0120
witness transaction id  - 000000000000000000000000000000000000000000000000000000000000000000000000

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