From b8a97498df1e83f8dcc49bc3fa4344f9e9799242 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Tue, 17 Nov 2015 00:20:49 +0100 Subject: BIP144: Handshake and relay (receiver side) Service bit logic by Nicolas Dorier. Only download blocks from witness peers after fork. --- src/init.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/init.cpp') diff --git a/src/init.cpp b/src/init.cpp index b572bfc32..6bce0a9b4 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1377,6 +1377,18 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) } } + if (Params().GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) { + // Only advertize witness capabilities if they have a reasonable start time. + // This allows us to have the code merged without a defined softfork, by setting its + // end time to 0. + // Note that setting NODE_WITNESS is never required: the only downside from not + // doing so is that after activation, no upgraded nodes will fetch from you. + nLocalServices = ServiceFlags(nLocalServices | NODE_WITNESS); + // Only care about others providing witness capabilities if there is a softfork + // defined. + nRelevantServices = ServiceFlags(nRelevantServices | NODE_WITNESS); + } + // ********************************************************* Step 10: import blocks if (mapArgs.count("-blocknotify")) -- cgit v1.2.3 From 2b1f6f9ccf36f1e0a2c9d99154e1642f796d7c2b Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Sun, 3 Jan 2016 18:54:50 +0100 Subject: BIP141: Other consensus critical limits, and BIP145 Includes changes by Suhas Daftuar, Luke-jr, and mruddy. --- src/init.cpp | 1 + 1 file changed, 1 insertion(+) (limited to 'src/init.cpp') diff --git a/src/init.cpp b/src/init.cpp index 6bce0a9b4..e924d504b 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -452,6 +452,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-mempoolreplacement", strprintf(_("Enable transaction replacement in the memory pool (default: %u)"), DEFAULT_ENABLE_REPLACEMENT)); strUsage += HelpMessageGroup(_("Block creation options:")); + strUsage += HelpMessageOpt("-blockmaxcost=", strprintf(_("Set maximum block cost (default: %d)"), DEFAULT_BLOCK_MAX_COST)); strUsage += HelpMessageOpt("-blockminsize=", strprintf(_("Set minimum block size in bytes (default: %u)"), DEFAULT_BLOCK_MIN_SIZE)); strUsage += HelpMessageOpt("-blockmaxsize=", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE)); strUsage += HelpMessageOpt("-blockprioritysize=", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE)); -- cgit v1.2.3 From 6032f6930a56c107dad8f30c05fec4aab79c8c22 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Fri, 18 Mar 2016 17:20:12 +0100 Subject: Add rewind logic to deal with post-fork software updates Includes logic for dealing with pruning by Suhas Daftuar. --- src/init.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/init.cpp') diff --git a/src/init.cpp b/src/init.cpp index e924d504b..5d29f14eb 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1284,6 +1284,14 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) break; } + if (!fReindex) { + uiInterface.InitMessage(_("Rewinding blocks...")); + if (!RewindBlockIndex(chainparams)) { + strLoadError = _("Unable to rewind the database to a pre-fork state. You will need to redownload the blockchain"); + break; + } + } + uiInterface.InitMessage(_("Verifying blocks...")); if (fHavePruned && GetArg("-checkblocks", DEFAULT_CHECKBLOCKS) > MIN_BLOCKS_TO_KEEP) { LogPrintf("Prune: pruned datadir may not have more than %d blocks; only checking available blocks", -- cgit v1.2.3