Optionally populate BlockAndHeaderTipInfo during AppInitMain

Author: jonasschnelli

src/init.cpp

@@ -24,6 +24,7 @@
 #include <index/blockfilterindex.h>
 #include <index/txindex.h>
 #include <interfaces/chain.h>
+#include <interfaces/node.h>
 #include <key.h>
 #include <miner.h>
 #include <net.h>
@@ -1242,7 +1243,7 @@ bool AppInitLockDataDirectory()
     return true;
 }
 
-bool AppInitMain(const util::Ref& context, NodeContext& node)
+bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
 {
     const CChainParams& chainparams = Params();
     // ********************************************************* Step 4a: application initialization
@@ -1877,6 +1878,15 @@ bool AppInitMain(const util::Ref& context, NodeContext& node)
         LOCK(cs_main);
         LogPrintf("block tree size = %u\n", chainman.BlockIndex().size());
         chain_active_height = chainman.ActiveChain().Height();
+        if (tip_info) {
+            tip_info->block_height = chain_active_height;
+            tip_info->block_time = chainman.ActiveChain().Tip() ? chainman.ActiveChain().Tip()->GetBlockTime() : Params().GenesisBlock().GetBlockTime();
+            tip_info->verification_progress = GuessVerificationProgress(Params().TxData(), chainman.ActiveChain().Tip());
+        }
+        if (tip_info && ::pindexBestHeader) {
+            tip_info->header_height = ::pindexBestHeader->nHeight;
+            tip_info->header_time = ::pindexBestHeader->GetBlockTime();
+        }
     }
     LogPrintf("nBestHeight = %d\n", chain_active_height);
 

src/init.h

@@ -11,6 +11,9 @@
 #include <util/system.h>
 
 struct NodeContext;
+namespace interfaces {
+struct BlockAndHeaderTipInfo;
+}
 namespace boost {
 class thread_group;
 } // namespace boost
@@ -54,7 +57,7 @@ bool AppInitLockDataDirectory();
  * @note This should only be done after daemonization. Call Shutdown() if this function fails.
  * @pre Parameters should be parsed and config file should be read, AppInitLockDataDirectory should have been called.
  */
-bool AppInitMain(const util::Ref& context, NodeContext& node);
+bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info = nullptr);
 
 /**
  * Register all arguments with the ArgsManager