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Add option -alerts to opt out of alert system

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Make it possible to opt-out of the centralized alert system by providing
an option `-noalerts` or `-alerts=0`. The default remains unchanged.

This is a gentler form of #6260, in which I went a bit overboard by
removing the alert system completely.

I intend to add this to the GUI options in another pull after this.

Conflicts:
	src/init.cpp
	src/main.cpp

Github-Pull: #6274
Rebased-From: 02a6702a82
This commit is contained in:
Wladimir J. van der Laan 2015-06-12 12:00:39 +02:00
parent 0fd8464458
commit be6420407b
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
3 changed files with 8 additions and 2 deletions
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3
src/init.cpp
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@ -241,6 +241,7 @@ std::string HelpMessage(HelpMessageMode mode)
string strUsage = _("Options:") + "\n"; string strUsage = _("Options:") + "\n";
strUsage += " -? " + _("This help message") + "\n"; strUsage += " -? " + _("This help message") + "\n";
strUsage += " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)") + "\n"; strUsage += " -alertnotify=<cmd> " + _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)") + "\n";
strUsage += " -alerts " + strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS);
strUsage += " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n"; strUsage += " -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n";
strUsage += " -checkblocks=<n> " + strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288) + "\n"; strUsage += " -checkblocks=<n> " + strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288) + "\n";
strUsage += " -checklevel=<n> " + strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3) + "\n"; strUsage += " -checklevel=<n> " + strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3) + "\n";
@ -745,6 +746,8 @@ bool AppInit2(boost::thread_group& threadGroup)
fIsBareMultisigStd = GetArg("-permitbaremultisig", true) != 0; fIsBareMultisigStd = GetArg("-permitbaremultisig", true) != 0;
nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes); nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS);
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Sanity check // Sanity check

4
src/main.cpp
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@ -53,7 +53,7 @@ bool fTxIndex = false;
bool fIsBareMultisigStd = true; bool fIsBareMultisigStd = true;
bool fCheckBlockIndex = false; bool fCheckBlockIndex = false;
unsigned int nCoinCacheSize = 5000; unsigned int nCoinCacheSize = 5000;
bool fAlerts = DEFAULT_ALERTS;
/** Fees smaller than this (in satoshi) are considered zero fee (for relaying and mining) */ /** Fees smaller than this (in satoshi) are considered zero fee (for relaying and mining) */
CFeeRate minRelayTxFee = CFeeRate(1000); CFeeRate minRelayTxFee = CFeeRate(1000);
@ -4265,7 +4265,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
} }
else if (strCommand == "alert") else if (fAlerts && strCommand == "alert")
{ {
CAlert alert; CAlert alert;
vRecv >> alert; vRecv >> alert;

3
src/main.h
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@ -54,6 +54,8 @@ static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000;
static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0; static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0;
/** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/ /** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/
static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 50000; static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 50000;
/** Default for accepting alerts from the P2P network. */
static const bool DEFAULT_ALERTS = true;
/** The maximum size for transactions we're willing to relay/mine */ /** The maximum size for transactions we're willing to relay/mine */
static const unsigned int MAX_STANDARD_TX_SIZE = 100000; static const unsigned int MAX_STANDARD_TX_SIZE = 100000;
/** The maximum allowed number of signature check operations in a block (network rule) */ /** The maximum allowed number of signature check operations in a block (network rule) */
@ -129,6 +131,7 @@ extern bool fIsBareMultisigStd;
extern bool fCheckBlockIndex; extern bool fCheckBlockIndex;
extern unsigned int nCoinCacheSize; extern unsigned int nCoinCacheSize;
extern CFeeRate minRelayTxFee; extern CFeeRate minRelayTxFee;
extern bool fAlerts;
/** Best header we've seen so far (used for getheaders queries' starting points). */ /** Best header we've seen so far (used for getheaders queries' starting points). */
extern CBlockIndex *pindexBestHeader; extern CBlockIndex *pindexBestHeader;