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regtest: default -checkpoints off so an isolated node leaves IBD

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chainparams_commandline() applies the DRAGONX mainnet checkpoint set to
every SMART_CHAIN_SYMBOL=="DRAGONX" network, -regtest included, so an
isolated regtest node (height ~hundreds) sits far below the top checkpoint
(~3.2M). IsInitialBlockDownload() latches true whenever fCheckpointsEnabled
&& height < GetTotalBlocksEstimate(), so regtest was permanently in IBD --
disabling every ChainTip auto-op that gates on !IBD (autoshield, z_sweep,
consolidation) and the below-checkpoint script-check skip, and forcing
every regtest test to pass -checkpoints=0 by hand.

Default -checkpoints to false on regtest (still overridable with
-checkpoints=1). Verified: a fresh regtest node logs "Leaving
InitialBlockDownload" after a few blocks with no flag, and -checkpoints=1
keeps it in IBD as before.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PGhWvdBSgt6UxxHANr7gfN
This commit is contained in:
DanS
2026-08-30 17:26:21 -05:00
parent 3b2aa866aa
commit 60d66022f6
1 changed files with 7 additions and 1 deletions
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8
src/init.cpp
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@@ -1432,7 +1432,13 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
mempool.setSanityCheck(1.0 / ratio); mempool.setSanityCheck(1.0 / ratio);
} }
fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks()); fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
fCheckpointsEnabled = GetBoolArg("-checkpoints", true); // Regtest inherits the DRAGONX *mainnet* checkpoint set (chainparams_commandline applies it
// for every SMART_CHAIN_SYMBOL=="DRAGONX" network, regardless of -regtest), whose top height
// ~3.2M would otherwise pin an isolated regtest chain in IsInitialBlockDownload() forever --
// disabling the ChainTip auto-ops (autoshield/sweep/consolidation) and the below-checkpoint
// script-check skip. Default checkpoints OFF on regtest so a fresh regtest node leaves IBD
// normally; still overridable with -checkpoints=1.
fCheckpointsEnabled = GetBoolArg("-checkpoints", chainparams.NetworkIDString() != "regtest");
// -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS); nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);