diff options
| -rw-r--r-- | src/chainparams.cpp | 10 | ||||
| -rw-r--r-- | src/chainparams.h | 7 | ||||
| -rw-r--r-- | src/net.cpp | 5 |
3 files changed, 18 insertions, 4 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp index 5c7d190125..0005115671 100644 --- a/src/chainparams.cpp +++ b/src/chainparams.cpp @@ -16,6 +16,14 @@ #include "chainparamsseeds.h" +std::string CDNSSeedData::getHost(uint64_t requiredServiceBits) const { + //use default host for non-filter-capable seeds or if we use the default service bits (NODE_NETWORK) + if (!supportsServiceBitsFiltering || requiredServiceBits == NODE_NETWORK) + return host; + + return strprintf("x%x.%s", requiredServiceBits, host); +} + static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward) { CMutableTransaction txNew; @@ -197,6 +205,8 @@ public: vFixedSeeds.clear(); vSeeds.clear(); + // nodes with support for servicebits filtering should be at the top + vSeeds.push_back(CDNSSeedData("testnetbitcoin.jonasschnelli.ch", "testnet-seed.bitcoin.jonasschnelli.ch", true)); vSeeds.push_back(CDNSSeedData("bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org")); vSeeds.push_back(CDNSSeedData("bluematt.me", "testnet-seed.bluematt.me")); vSeeds.push_back(CDNSSeedData("bitcoin.schildbach.de", "testnet-seed.bitcoin.schildbach.de")); diff --git a/src/chainparams.h b/src/chainparams.h index 59202f548a..7168daaf43 100644 --- a/src/chainparams.h +++ b/src/chainparams.h @@ -13,9 +13,12 @@ #include <vector> -struct CDNSSeedData { +class CDNSSeedData { +public: std::string name, host; - CDNSSeedData(const std::string &strName, const std::string &strHost) : name(strName), host(strHost) {} + bool supportsServiceBitsFiltering; + std::string getHost(uint64_t requiredServiceBits) const; + CDNSSeedData(const std::string &strName, const std::string &strHost, bool supportsServiceBitsFilteringIn = false) : name(strName), host(strHost), supportsServiceBitsFiltering(supportsServiceBitsFilteringIn) {} }; struct SeedSpec6 { diff --git a/src/net.cpp b/src/net.cpp index be426236e4..8464b398b9 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1464,12 +1464,13 @@ void ThreadDNSAddressSeed() } else { std::vector<CNetAddr> vIPs; std::vector<CAddress> vAdd; - if (LookupHost(seed.host.c_str(), vIPs, 0, true)) + uint64_t requiredServiceBits = NODE_NETWORK; + if (LookupHost(seed.getHost(requiredServiceBits).c_str(), vIPs, 0, true)) { BOOST_FOREACH(const CNetAddr& ip, vIPs) { int nOneDay = 24*3600; - CAddress addr = CAddress(CService(ip, Params().GetDefaultPort())); + CAddress addr = CAddress(CService(ip, Params().GetDefaultPort()), requiredServiceBits); addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old vAdd.push_back(addr); found++; |