spv: parallel genesis header download over checkpoint segments - #378

Merged

michilumin merged 15 commits into

dogecoinfoundation:0.1.5-devfrom

xanimo:0.1.5-dev-par-genesis-headers

Aug 8, 2026

Commits on Aug 8, 2026

chainparams: add 54 checkpoints at 100k-block intervals (33→87 total)
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f99ba0e
spv: parallel genesis header download over checkpoint segments
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0169e8e
spv: reclaim parallel header segments from dead or silent peers
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b898bc7
spv: release flushed segment buffers and bound the assignment lead
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spv: preempt a slow flush head and budget staging by bytes
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spv: let the parallel header tail use idle peers
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spv: require a header batch to continue from the segment it lands in
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spv: race the tail whenever a peer is idle, not only at the very end
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chainparams: extend mainnet checkpoints to 6,300,000
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chainparams: export checkpoint counts instead of sizeof on extern arrays
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spv: don't count headers that fail to deserialize, size rate samples to segments
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spv: retry a segment that fails to connect, fall back to sequential after 3
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d70cc84
spv: verify each segment lands on its checkpoint before accepting it
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test: assert the checkpoint tables are well-formed
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spv: check the segment-array invariants at runtime
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