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Merge pull request #6993

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bbf49da Fix comment for blocksonly parameter interactions (Patick Strateman)
6a4982f Fix fRelayTxs comment (Patick Strateman)
59441a0 Display DEFAULT_WHITELISTALWAYSRELAY in help text (Patick Strateman)
71a2683 Use DEFAULT_BLOCKSONLY and DEFAULT_WHITELISTALWAYSRELAY constants (Patick Strateman)
762b13b Add help text for blocksonly and whitelistalwaysrelay (Patick Strateman)
3a96497 Add whitelistalwaysrelay option (Patick Strateman)
420fa81 Do not process tx inv's in blocksonly mode (Patick Strateman)
4044f07 Add blocksonly mode (Patick Strateman)
This commit is contained in:
Gregory Maxwell 2015-11-14 05:14:15 -08:00
parent 9ffc687288 bbf49da408
commit b632145ede
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GPG key ID: EAB5AF94D9E9ABE7
5 changed files with 21 additions and 4 deletions
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13
src/init.cpp
View file

@ -310,6 +310,8 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS));
strUsage += HelpMessageOpt("-alertnotify=<cmd>", _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)"));
strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
if (showDebug)
strUsage += HelpMessageOpt("-blocksonly", strprintf(_("Whether to operate in a blocks only mode (default: %u)"), DEFAULT_BLOCKSONLY));
strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), DEFAULT_CHECKBLOCKS));
strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), DEFAULT_CHECKLEVEL));
strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf"));
@ -375,6 +377,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
strUsage += HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") +
" " + _("Whitelisted peers cannot be DoS banned and their transactions are always relayed, even if they are already in the mempool, useful e.g. for a gateway"));
strUsage += HelpMessageOpt("-whitelistalwaysrelay", strprintf(_("Always relay transactions received from whitelisted peers (default: %d)"), DEFAULT_WHITELISTALWAYSRELAY));
strUsage += HelpMessageOpt("-maxuploadtarget=<n>", strprintf(_("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)"), DEFAULT_MAX_UPLOAD_TARGET));
#ifdef ENABLE_WALLET
@ -816,6 +819,16 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
}
#endif
}
// disable walletbroadcast and whitelistalwaysrelay in blocksonly mode
if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) {
if (SoftSetBoolArg("-whitelistalwaysrelay", false))
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistalwaysrelay=0\n", __func__);
#ifdef ENABLE_WALLET
if (SoftSetBoolArg("-walletbroadcast", false))
LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -walletbroadcast=0\n", __func__);
#endif
}
// Make sure enough file descriptors are available
int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1);

4
src/main.cpp
View file

@ -4219,7 +4219,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
bool fAlreadyHave = AlreadyHave(inv);
LogPrint("net", "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom->id);
if (!fAlreadyHave && !fImporting && !fReindex && inv.type != MSG_BLOCK)
if (!fAlreadyHave && !fImporting && !fReindex && inv.type != MSG_BLOCK && !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY))
pfrom->AskFor(inv);
if (inv.type == MSG_BLOCK) {
@ -4466,7 +4466,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
assert(recentRejects);
recentRejects->insert(tx.GetHash());
if (pfrom->fWhitelisted) {
if (pfrom->fWhitelisted && GetBoolArg("-whitelistalwaysrelay", DEFAULT_WHITELISTALWAYSRELAY)) {
// Always relay transactions received from whitelisted peers, even
// if they were rejected from the mempool, allowing the node to
// function as a gateway for nodes hidden behind it.

2
src/main.h
View file

@ -41,6 +41,8 @@ struct CNodeStateStats;
/** Default for accepting alerts from the P2P network. */
static const bool DEFAULT_ALERTS = true;
/** Default for DEFAULT_WHITELISTALWAYSRELAY. */
static const bool DEFAULT_WHITELISTALWAYSRELAY = true;
/** Default for -minrelaytxfee, minimum relay fee for transactions */
static const unsigned int DEFAULT_MIN_RELAY_TX_FEE = 1000;
/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */

2
src/net.cpp
View file

@ -460,7 +460,7 @@ void CNode::PushVersion()
else
LogPrint("net", "send version message: version %d, blocks=%d, us=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), id);
PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
nLocalHostNonce, strSubVersion, nBestHeight, true);
nLocalHostNonce, strSubVersion, nBestHeight, !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY));
}

4
src/net.h
View file

@ -62,6 +62,8 @@ static const size_t MAPASKFOR_MAX_SZ = MAX_INV_SZ;
static const unsigned int DEFAULT_MAX_PEER_CONNECTIONS = 125;
/** The default for -maxuploadtarget. 0 = Unlimited */
static const uint64_t DEFAULT_MAX_UPLOAD_TARGET = 0;
/** Default for blocks only*/
static const bool DEFAULT_BLOCKSONLY = false;
unsigned int ReceiveFloodSize();
unsigned int SendBufferSize();
@ -342,7 +344,7 @@ public:
// We use fRelayTxes for two purposes -
// a) it allows us to not relay tx invs before receiving the peer's version message
// b) the peer may tell us in its version message that we should not relay tx invs
// until it has initialized its bloom filter.
// unless it loads a bloom filter.
bool fRelayTxes;
CSemaphoreGrant grantOutbound;
CCriticalSection cs_filter;