Header check

[ucwong]

https://github.com/holiman/headerimport/blob/main/README.md#1m-blocks-on-21471

[codecov]

Codecov Report

Merging #868 (6118859) into master (a0007fd) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #868      +/-   ##
==========================================
- Coverage   49.28%   49.25%   -0.03%     
==========================================
  Files         420      420              
  Lines       48058    48058              
==========================================
- Hits        23685    23672      -13     
- Misses      22308    22315       +7     
- Partials     2065     2071       +6     

Impacted Files	Coverage Δ
consensus/cuckoo/consensus.go	1.61% <0.00%> (+<0.01%)	⬆️
core/headerchain.go	51.30% <0.00%> (-0.75%)	⬇️
core/rawdb/freezer_table.go	67.57% <0.00%> (-0.24%)	⬇️
p2p/simulations/mocker.go	27.83% <0.00%> (-2.07%)	⬇️
core/tx_pool.go	72.40% <0.00%> (-1.46%)	⬇️
whisper/whisperv6/whisper.go	50.40% <0.00%> (-1.43%)	⬇️
core/rawdb/chain_iterator.go	59.30% <0.00%> (-1.17%)	⬇️
trie/proof.go	73.00% <0.00%> (-0.67%)	⬇️
p2p/server.go	65.09% <0.00%> (-0.43%)	⬇️
... and 3 more