Assert CPubKey::ValidLength to the pubkey’s header-relevant size #12460

1. 
   Empact commented at 8:37 pm on February 16, 2018: member

   A pubkey’s length is specific to its type which is indicated by its header value. GetLen returns the header-indicated length, so this change ensures that a key matches its header-indicated length.

   And replace some magic values with their constant equivalents.

2. Assert CPubKey::ValidLength to the pubkey's header-relevent size

   Previously this was an inline test where the specificity was probably judged
   overly specific. As a class method it makes sense to maintain consistency.
   
   And replace some magic values with their constant equivalents.

   f8c249ab91
3. 
   devrandom commented at 9:22 pm on February 16, 2018: none

   utACK https://github.com/bitcoin/bitcoin/pull/12460/commits/f8c249ab918b0b4d326b8c441816c64d046455bf
4. Empact renamed this:
   Assert CPubKey::ValidLength to the pubkey's header-relevent size
   Assert CPubKey::ValidLength to the pubkey's header-relevant size
   on Feb 16, 2018
5. fanquake added the label Refactoring on Feb 17, 2018
6. 
   jonasschnelli commented at 11:15 am on February 17, 2018: contributor

   utACK f8c249ab918b0b4d326b8c441816c64d046455bf
7. dcousens approved
8. 
   dcousens commented at 11:37 pm on February 18, 2018: contributor

   utACK
9. 
   MarcoFalke commented at 11:45 pm on February 18, 2018: member

   utACK f8c249a
10. 
    practicalswift commented at 4:34 pm on February 24, 2018: contributor

    utACK f8c249ab918b0b4d326b8c441816c64d046455bf
11. fanquake requested review from sipa on Mar 14, 2018
12. 
    jnewbery commented at 6:32 pm on April 4, 2018: member

    5 utACKs. Ready for merge?
13. 
    promag commented at 6:39 pm on April 4, 2018: member

    utACK f8c249a.
14. MarcoFalke merged this on Apr 4, 2018
15. MarcoFalke closed this on Apr 4, 2018

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Contributors
Empact devrandom jonasschnelli dcousens MarcoFalke practicalswift jnewbery promag

Review Requested
sipa

Labels
Refactoring