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15 2019-08-21T02:29:16 <binary01> hello, i am trying to make a small python script to verify a btc block. for some reason my hash is not matching the block hash. does anyone know what i am doing wrong? https://pastebin.com/ZpLrV71a
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18 2019-08-21T02:45:45 <achow101> binary01: you're hashing the hex strings for the block header, not the bytes themselves
19 2019-08-21T02:46:13 <achow101> you need to take your hex strings, turn them into the actual byte values the represent, and hash those
20 2019-08-21T02:46:21 <achow101> you can do that using binascii.unhexlify
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51 2019-08-21T06:42:45 <binary01> achow101, on line 37 i run the entire concatenated string through unhexlify before hashing. it that not right?
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77 2019-08-21T10:31:16 <sanket1729> looking for simple " easy to understand and explain" implementation (could be inefficient/non-constant time etc) of secp256k1 in python3. Any leads?
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143 2019-08-21T14:31:11 <adiabat> sanket1729: There is one; I think it's from sipa and it's like 30 lines, but I can't seem to find it now
144 2019-08-21T14:31:34 <adiabat> (sorry if that's not too helpful, but the thing you're looking for exists!)
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159 2019-08-21T15:25:10 <achow101> binary01: ah, I hadn't noticed that, sorry. On further inspection, the issue is actually with your version number. It's supposed to be 00000020 as in big endian it is 0x20000000, not 2.
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