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net: store best block tip time inside PeerManager

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And implement 'ApproximateBestBlockDepth()' to estimate
the distance, in blocks, between the best-known block
and the network chain tip. Utilizing the best-block time
and the chainparams blocks spacing to approximate it.
This commit is contained in:
furszy
2023-12-19 10:30:14 -03:00
parent dd391944dc
commit 97df4e3887
3 changed files with 25 additions and 6 deletions
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6
src/init.cpp
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@@ -1754,13 +1754,15 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
// ********************************************************* Step 12: start node
//// debug print
int64_t best_block_time{};
{
LOCK(cs_main);
LogPrintf("block tree size = %u\n", chainman.BlockIndex().size());
chain_active_height = chainman.ActiveChain().Height();
best_block_time = chainman.ActiveChain().Tip() ? chainman.ActiveChain().Tip()->GetBlockTime() : chainman.GetParams().GenesisBlock().GetBlockTime();
if (tip_info) {
tip_info->block_height = chain_active_height;
tip_info->block_time = chainman.ActiveChain().Tip() ? chainman.ActiveChain().Tip()->GetBlockTime() : chainman.GetParams().GenesisBlock().GetBlockTime();
tip_info->block_time = best_block_time;
tip_info->verification_progress = GuessVerificationProgress(chainman.GetParams().TxData(), chainman.ActiveChain().Tip());
}
if (tip_info && chainman.m_best_header) {
@@ -1769,7 +1771,7 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
}
}
LogPrintf("nBestHeight = %d\n", chain_active_height);
if (node.peerman) node.peerman->SetBestHeight(chain_active_height);
if (node.peerman) node.peerman->SetBestBlock(chain_active_height, std::chrono::seconds{best_block_time});
// Map ports with UPnP or NAT-PMP.
StartMapPort(args.GetBoolArg("-upnp", DEFAULT_UPNP), args.GetBoolArg("-natpmp", DEFAULT_NATPMP));