Headers bps #6164
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Headers bps #6164
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…nager.m_blockman
…Block this commit will not work with `--enable-c++20` as c++20 does away with aggregate initialization when constructors are declared. a partial backport of bitcoin#24169 will sort that out.
bitcoin#25404 introduces a 10 point penalty for remitting more than MAX_BLOCKS_TO_ANNOUNCE unconnected block headers. Whether they are connected or not is determined by taking the first entry and running its hashPrevBlock through LookupBlockIndex. This new behaviour causes a test failure in p2p_dos_header_tree.py in Dash. Bitcoin doesn't face a test failure with this new behaviour as the first non-fork block in its test data is the dump for block 1 (00000000b873e7 9784647a6c82962c70d228557d24a747ea4d1b8bbe878e1206) but Dash uses block 0 (00000bafbc94add76cb75e2ec92894837288a481e5c005f6563d91623bf8bc2c), the genesis block. By definition of a genesis block, it has a hashPrevBlock of 0, which cannot be looked up. This trips the penalty. This doesn't cause any problems in the field as nobody is expected to ever broadcast the genesis block but it does cause a test failure for us. We need to correct that by getting rid of the genesis block from the test data.
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This pull request has conflicts, please rebase. |
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Issue being fixed or feature implemented
Subset of #6097 to see if all issues are addressed by dropping a few commits
What was done?
How Has This Been Tested?
Breaking Changes
Checklist: