void CBitcoinServer::getAddrFromDnsSeed()
{
const char *strMainNetDNSSeed[][2] = {
{"bitcoin.sipa.be", "seed.bitcoin.sipa.be"},
{"bluematt.me", "dnsseed.bluematt.me"},
{"dashjr.org", "dnsseed.bitcoin.dashjr.org"},
{"bitcoinstats.com", "seed.bitcoinstats.com"},
{"xf2.org", "bitseed.xf2.org"},
{NULL, NULL}
};
for (int i = 0; strMainNetDNSSeed[i][0] != NULL; ++i)
{
std::vector<CNetAddr> vIPs;
if (HaveNameProxy())
{
m_oneShot.push_back(strMainNetDNSSeed[i][1]);
}
else if (LookupHost(strMainNetDNSSeed[i][1], vIPs))
{
std::vector<CAddress> vAdd;
BOOST_FOREACH(CNetAddr& ip, vIPs)
{
int nOneDay = 24*3600;
CAddress addr = CAddress(CService(ip, Bitcoin_DEFAULT_PORT));
// use a random age between 3 and 7 days old
addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay);
vAdd.push_back(addr);
}
m_BitcoinAddrMan.Add(vAdd, CNetAddr(strMainNetDNSSeed[i][0], true));
}
}
bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
vIP.clear();
struct addrinfo aiHint;
memset(&aiHint, 0, sizeof(struct addrinfo));
aiHint.ai_socktype = SOCK_STREAM;
aiHint.ai_protocol = IPPROTO_TCP;
aiHint.ai_family = AF_UNSPEC;
#ifdef WIN32
aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST;
#else
aiHint.ai_flags = fAllowLookup ? AI_ADDRCONFIG : AI_NUMERICHOST;
#endif
struct addrinfo *aiRes = NULL;
int nErr = getaddrinfo(pszName, NULL, &aiHint, &aiRes);
if (nErr)
return false;
struct addrinfo *aiTrav = aiRes;
while (aiTrav != NULL && (nMaxSolutions == 0 || vIP.size() < nMaxSolutions))
{
if (aiTrav->ai_family == AF_INET)
{
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in));
vIP.push_back(CNetAddr(((struct sockaddr_in*)(aiTrav->ai_addr))->sin_addr));
}
if (aiTrav->ai_family == AF_INET6)
{
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in6));
vIP.push_back(CNetAddr(((struct sockaddr_in6*)(aiTrav->ai_addr))->sin6_addr));
}
aiTrav = aiTrav->ai_next;
}
freeaddrinfo(aiRes);
return (vIP.size() > 0);
}
bool CActiveStormnode::Register(std::string strService, std::string strKeyStormnode, std::string strTxHash, std::string strOutputIndex, std::string& errorMessage) {
CTxIn vin;
CPubKey pubKeyCollateralAddress;
CKey keyCollateralAddress;
CPubKey pubKeyStormnode;
CKey keyStormnode;
//need correct blocks to send ping
if(!stormnodeSync.IsBlockchainSynced()) {
errorMessage = GetStatus();
LogPrintf("CActiveStormnode::Register() - %s\n", errorMessage);
return false;
}
if(!sandStormSigner.SetKey(strKeyStormnode, errorMessage, keyStormnode, pubKeyStormnode))
{
errorMessage = strprintf("Can't find keys for stormnode %s - %s", strService, errorMessage);
LogPrintf("CActiveStormnode::Register() - %s\n", errorMessage);
return false;
}
if(!GetStormNodeVin(vin, pubKeyCollateralAddress, keyCollateralAddress, strTxHash, strOutputIndex)) {
errorMessage = strprintf("Could not allocate vin %s:%s for stormnode %s", strTxHash, strOutputIndex, strService);
LogPrintf("CActiveStormnode::Register() - %s\n", errorMessage);
return false;
}
//TODO(AA): Remove and not limit ports? Or shall we limit ports?
CService service = CService(strService);
if(Params().NetworkID() == CChainParams::MAIN) {
if(service.GetPort() != 31000) {
errorMessage = strprintf("Invalid port %u for stormnode %s - only 31000 is supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveStormnode::Register() - %s\n", errorMessage);
return false;
}
} else if(service.GetPort() == 31000) {
errorMessage = strprintf("Invalid port %u for stormnode %s - 31000 is only supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveStormnode::Register() - %s\n", errorMessage);
return false;
}
addrman.Add(CAddress(service), CNetAddr("127.0.0.1"), 2*60*60);
return Register(vin, CService(strService), keyCollateralAddress, pubKeyCollateralAddress, keyStormnode, pubKeyStormnode, errorMessage);
}
bool CActiveMasternode::Register(std::string strService, std::string strKeyMasternode, std::string strTxHash, std::string strOutputIndex, std::string& errorMessage)
{
CTxIn vin;
CPubKey pubKeyCollateralAddress;
CKey keyCollateralAddress;
CPubKey pubKeyMasternode;
CKey keyMasternode;
//need correct blocks to send ping
if (!masternodeSync.IsBlockchainSynced()) {
errorMessage = GetStatus();
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
if (!obfuScationSigner.SetKey(strKeyMasternode, errorMessage, keyMasternode, pubKeyMasternode)) {
errorMessage = strprintf("Can't find keys for masternode %s - %s", strService, errorMessage);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
if (!GetMasterNodeVin(vin, pubKeyCollateralAddress, keyCollateralAddress, strTxHash, strOutputIndex)) {
errorMessage = strprintf("Could not allocate vin %s:%s for masternode %s", strTxHash, strOutputIndex, strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
CService service = CService(strService);
if (Params().NetworkID() == CBaseChainParams::MAIN) {
if (service.GetPort() != 51472) {
errorMessage = strprintf("Invalid port %u for masternode %s - only 51472 is supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
} else if (service.GetPort() == 51472) {
errorMessage = strprintf("Invalid port %u for masternode %s - 51472 is only supported on mainnet.", service.GetPort(), strService);
LogPrintf("CActiveMasternode::Register() - %s\n", errorMessage);
return false;
}
addrman.Add(CAddress(service), CNetAddr("127.0.0.1"), 2 * 60 * 60);
return Register(vin, CService(strService), keyCollateralAddress, pubKeyCollateralAddress, keyMasternode, pubKeyMasternode, errorMessage);
}
bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault, int nTimeout)
{
std::string strDest;
int port = portDefault;
SplitHostPort(std::string(pszDest), port, strDest);
SOCKET hSocket = INVALID_SOCKET;
proxyType nameproxy;
GetNameProxy(nameproxy);
CService addrResolved(CNetAddr(strDest, fNameLookup && !nameproxy.second), port);
if (addrResolved.IsValid()) {
addr = addrResolved;
return ConnectSocket(addr, hSocketRet, nTimeout);
}
addr = CService("0.0.0.0:0");
if (!nameproxy.second)
return false;
if (!ConnectSocketDirectly(nameproxy.first, hSocket, nTimeout))
return false;
switch(nameproxy.second) {
default:
case 4:
closesocket(hSocket);
return false;
case 5:
if (!Socks5(strDest, port, hSocket))
return false;
break;
}
hSocketRet = hSocket;
return true;
}
CService ip(uint32_t i)
{
struct in_addr s;
s.s_addr = i;
return CService(CNetAddr(s), Params().GetDefaultPort());
}
bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
vIP.clear();
{
CNetAddr addr;
if (addr.SetSpecial(std::string(pszName))) {
vIP.push_back(addr);
return true;
}
}
#ifdef HAVE_GETADDRINFO_A
struct in_addr ipv4_addr;
#ifdef HAVE_INET_PTON
if (inet_pton(AF_INET, pszName, &ipv4_addr) > 0) {
vIP.push_back(CNetAddr(ipv4_addr));
return true;
}
struct in6_addr ipv6_addr;
if (inet_pton(AF_INET6, pszName, &ipv6_addr) > 0) {
vIP.push_back(CNetAddr(ipv6_addr));
return true;
}
#else
ipv4_addr.s_addr = inet_addr(pszName);
if (ipv4_addr.s_addr != INADDR_NONE) {
vIP.push_back(CNetAddr(ipv4_addr));
return true;
}
#endif
#endif
struct addrinfo aiHint;
memset(&aiHint, 0, sizeof(struct addrinfo));
aiHint.ai_socktype = SOCK_STREAM;
aiHint.ai_protocol = IPPROTO_TCP;
aiHint.ai_family = AF_UNSPEC;
#ifdef WIN32
aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST;
#else
aiHint.ai_flags = fAllowLookup ? AI_ADDRCONFIG : AI_NUMERICHOST;
#endif
struct addrinfo *aiRes = NULL;
#ifdef HAVE_GETADDRINFO_A
struct gaicb gcb, *query = &gcb;
memset(query, 0, sizeof(struct gaicb));
gcb.ar_name = pszName;
gcb.ar_request = &aiHint;
int nErr = getaddrinfo_a(GAI_NOWAIT, &query, 1, NULL);
if (nErr)
return false;
do {
// Should set the timeout limit to a resonable value to avoid
// generating unnecessary checking call during the polling loop,
// while it can still response to stop request quick enough.
// 2 seconds looks fine in our situation.
struct timespec ts = { 2, 0 };
gai_suspend(&query, 1, &ts);
boost::this_thread::interruption_point();
nErr = gai_error(query);
if (0 == nErr)
aiRes = query->ar_result;
} while (nErr == EAI_INPROGRESS);
#else
int nErr = getaddrinfo(pszName, NULL, &aiHint, &aiRes);
#endif
if (nErr)
return false;
struct addrinfo *aiTrav = aiRes;
while (aiTrav != NULL && (nMaxSolutions == 0 || vIP.size() < nMaxSolutions))
{
if (aiTrav->ai_family == AF_INET)
{
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in));
vIP.push_back(CNetAddr(((struct sockaddr_in*)(aiTrav->ai_addr))->sin_addr));
}
if (aiTrav->ai_family == AF_INET6)
{
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in6));
vIP.push_back(CNetAddr(((struct sockaddr_in6*)(aiTrav->ai_addr))->sin6_addr));
}
aiTrav = aiTrav->ai_next;
}
freeaddrinfo(aiRes);
return (vIP.size() > 0);
}
bool CBitcoinServer::getAddrFromDb()
{
static const unsigned int BitcoinNetSeed[] =
{
0x7e6a692e, 0x7d04d1a2, 0x6c0c17d9, 0xdb330ab9, 0xc649c7c6, 0x7895484d, 0x047109b0, 0xb90ca5bc,
0xd130805f, 0xbd074ea6, 0x578ff1c0, 0x286e09b0, 0xd4dcaf42, 0x529b6bb8, 0x635cc6c0, 0xedde892e,
0xa976d9c7, 0xea91a4b8, 0x03fa4eb2, 0x6ca9008d, 0xaf62c825, 0x93f3ba51, 0xc2c9efd5, 0x0ed5175e,
0x487028bc, 0x7297c225, 0x8af0c658, 0x2e57ba1f, 0xd0098abc, 0x46a8853e, 0xcc92dc3e, 0xeb6f1955,
0x8cce175e, 0x237281ae, 0x9d42795b, 0x4f4f0905, 0xc50151d0, 0xb1ba90c6, 0xaed7175e, 0x204de55b,
0x4bb03245, 0x932b28bc, 0x2dcce65b, 0xe2708abc, 0x1b08b8d5, 0x12a3dc5b, 0x8a884c90, 0xa386a8b8,
0x18e417c6, 0x2e709ac3, 0xeb62e925, 0x6f6503ae, 0x05d0814e, 0x8a9ac545, 0x946fd65e, 0x3f57495d,
0x4a29c658, 0xad454c90, 0x15340905, 0x4c3f3b25, 0x01fe19b9, 0x5620595b, 0x443c795b, 0x44f24ac8,
0x0442464e, 0xc8665882, 0xed3f3ec3, 0xf585bf5d, 0x5dd141da, 0xf93a084e, 0x1264dd52, 0x0711c658,
0xf12e7bbe, 0x5b02b740, 0x7d526dd5, 0x0cb04c90, 0x2abe1132, 0x61a39f58, 0x044a0618, 0xf3af7dce,
0xb994c96d, 0x361c5058, 0xca735d53, 0xeca743b0, 0xec790905, 0xc4d37845, 0xa1c4a2b2, 0x726fd453,
0x625cc6c0, 0x6c20132e, 0xb7aa0c79, 0xc6ed983d, 0x47e4cbc0, 0xa4ac75d4, 0xe2e59345, 0x4d784ad0,
0x18a5ec5e, 0x481cc85b, 0x7c6c2fd5, 0x5e4d6018, 0x5b4b6c18, 0xd99b4c90, 0xe63987dc, 0xb817bb25,
0x141cfeb2, 0x5f005058, 0x0d987f47, 0x242a496d, 0x3e519bc0, 0x02b2454b, 0xdfaf3dc6, 0x888128bc,
0x1165bb25, 0xabfeca5b, 0x2ef63540, 0x5773c7c6, 0x1280dd52, 0x8ebcacd9, 0x81c439c6, 0x39fcfa45,
0x62177d41, 0xc975ed62, 0x05cff476, 0xdabda743, 0xaa1ac24e, 0xe255a22e, 0x88aac705, 0xe707c658,
0xa9e94b5e, 0x2893484b, 0x99512705, 0xd63970ca, 0x45994f32, 0xe519a8ad, 0x92e25f5d, 0x8b84a9c1,
0x5eaa0a05, 0xa74de55b, 0xb090ff62, 0x5eee326c, 0xc331a679, 0xc1d9b72e, 0x0c6ab982, 0x7362bb25,
0x4cfedd42, 0x1e09a032, 0xa4c34c5e, 0x3777d9c7, 0x5edcf260, 0x3ce2b548, 0xd2ac0360, 0x2f80b992,
0x3e4cbb25, 0x3995e236, 0xd03977ae, 0x953cf054, 0x3c654ed0, 0x74024c90, 0xa14f1155, 0x14ce0125,
0xc15ebb6a, 0x2c08c452, 0xc7fd0652, 0x7604f8ce, 0xffb38332, 0xa4c2efd5, 0xe9614018, 0xab49e557,
0x1648c052, 0x36024047, 0x0e8cffad, 0x21918953, 0xb61f50ad, 0x9b406b59, 0xaf282218, 0x7f1d164e,
0x1f560da2, 0xe237be58, 0xbdeb1955, 0x6c0717d9, 0xdaf8ce62, 0x0f74246c, 0xdee95243, 0xf23f1a56,
0x61bdf867, 0xd254c854, 0xc4422e4e, 0xae0563c0, 0xbdb9a95f, 0xa9eb32c6, 0xd9943950, 0x116add52,
0x73a54c90, 0xb36b525e, 0xd734175e, 0x333d7f76, 0x51431bc6, 0x084ae5cf, 0xa60a236c, 0x5c67692e,
0x0177cf45, 0xa6683ac6, 0x7ff4ea47, 0x2192fab2, 0xa03a0f46, 0xfe3e39ae, 0x2cce5fc1, 0xc8a6c148,
0x96fb7e4c, 0x0a66c752, 0x6b4d2705, 0xeba0c118, 0x3ba0795b, 0x1dccd23e, 0x6912f3a2, 0x22f23c41,
0x65646b4a, 0x8b9f8705, 0xeb9b9a95, 0x79fe6b4e, 0x0536f447, 0x23224d61, 0x5d952ec6, 0x0cb4f736,
0xdc14be6d, 0xb24609b0, 0xd3f79b62, 0x6518c836, 0x83a3cf42, 0x9b641fb0, 0x17fef1c0, 0xd508cc82,
0x91a4369b, 0x39cb4a4c, 0xbbc9536c, 0xaf64c44a, 0x605eca50, 0x0c6a6805, 0xd07e9d4e, 0x78e6d3a2,
0x1b31eb6d, 0xaa01feb2, 0x4603c236, 0x1ecba3b6, 0x0effe336, 0xc3fdcb36, 0xc290036f, 0x4464692e,
0x1aca7589, 0x59a9e52e, 0x19aa7489, 0x2622c85e, 0xa598d318, 0x438ec345, 0xc79619b9, 0xaf570360,
0x5098e289, 0x36add862, 0x83c1a2b2, 0x969d0905, 0xcf3d156c, 0x49c1a445, 0xbd0b7562, 0x8fff1955,
0x1e51fe53, 0x28d6efd5, 0x2837cc62, 0x02f42d42, 0x070e3fb2, 0xbcb18705, 0x14a4e15b, 0x82096844,
0xcfcb1c2e, 0x37e27fc7, 0x07923748, 0x0c14bc2e, 0x26100905, 0xcb7cd93e, 0x3bc0d2c0, 0x97131b4c,
0x6f1e5c17, 0xa7939f43, 0xb7a0bf58, 0xafa83a47, 0xcbb83f32, 0x5f321cb0, 0x52d6c3c7, 0xdeac5bc7,
0x2cf310cc, 0x108a2bc3, 0x726fa14f, 0x85bad2cc, 0x459e4c90, 0x1a08b8d8, 0xcd7048c6, 0x6d5b4c90,
0xa66cfe7b, 0xad730905, 0xdaac5bc7, 0x8417fd9f, 0x41377432, 0x1f138632, 0x295a12b2, 0x7ac031b2,
0x3a87d295, 0xe219bc2e, 0xf485d295, 0x137b6405, 0xcfffd9ad, 0xafe20844, 0x32679a5f, 0xa431c644,
0x0e5fce8c, 0x305ef853, 0xad26ca32, 0xd9d21a54, 0xddd0d736, 0xc24ec0c7, 0x4aadcd5b, 0x49109852,
0x9d6b3ac6, 0xf0aa1e8b, 0xf1bfa343, 0x8a30c0ad, 0x260f93d4, 0x2339e760, 0x8869959f, 0xc207216c,
0x29453448, 0xb651ec36, 0x45496259, 0xa23d1bcc, 0xb39bcf43, 0xa1d29432, 0x3507c658, 0x4a88dd62,
0x27aff363, 0x7498ea6d, 0x4a6785d5, 0x5e6d47c2, 0x3baba542, 0x045a37ae, 0xa24dc0c7, 0xe981ea4d,
0xed6ce217, 0x857214c6, 0x6b6c0464, 0x5a4945b8, 0x12f24742, 0xf35f42ad, 0xfd0f5a4e, 0xfb081556,
0xb24b5861, 0x2e114146, 0xb7780905, 0x33bb0e48, 0x39e26556, 0xa794484d, 0x4225424d, 0x3003795b,
0x31c8cf44, 0xd65bad59, 0x127bc648, 0xf2bc4d4c, 0x0273dc50, 0x4572d736, 0x064bf653, 0xcdcd126c,
0x608281ae, 0x4d130087, 0x1016f725, 0xba185fc0, 0x16c1a84f, 0xfb697252, 0xa2942360, 0x53083b6c,
0x0583f1c0, 0x2d5a2441, 0xc172aa43, 0xcd11cf36, 0x7b14ed62, 0x5c94f1c0, 0x7c23132e, 0x39965a6f,
0x7890e24e, 0xa38ec447, 0xc187f1c0, 0xef80b647, 0xf20a7432, 0x7ad1d8d2, 0x869e2ec6, 0xccdb5c5d,
0x9d11f636, 0x2161bb25, 0x7599f889, 0x2265ecad, 0x0f4f0e55, 0x7d25854a, 0xf857e360, 0xf83f3d6c,
0x9cc93bb8, 0x02716857, 0x5dd8a177, 0x8adc6cd4, 0xe5613d46, 0x6a734f50, 0x2a5c3bae, 0x4a04c3d1,
0xe4613d46, 0x8426f4bc, 0x3e1b5fc0, 0x0d5a3c18, 0xd0f6d154, 0x21c7ff5e, 0xeb3f3d6c, 0x9da5edc0,
0x5d753b81, 0x0d8d53d4, 0x2613f018, 0x4443698d, 0x8ca1edcd, 0x10ed3f4e, 0x789b403a, 0x7b984a4b,
0x964ebc25, 0x7520ee60, 0x4f4828bc, 0x115c407d, 0x32dd0667, 0xa741715e, 0x1d3f3532, 0x817d1f56,
0x2f99a552, 0x6b2a5956, 0x8d4f4f05, 0xd23c1e17, 0x98993748, 0x2c92e536, 0x237ebdc3, 0xa762fb43,
0x32016b71, 0xd0e7cf79, 0x7d35bdd5, 0x53dac3d2, 0x31016b71, 0x7fb8f8ce, 0x9a38c232, 0xefaa42ad,
0x876b823d, 0x18175347, 0xdb46597d, 0xd2c168da, 0xcd6fe9dc, 0x45272e4e, 0x8d4bca5b, 0xa4043d47,
0xaab7aa47, 0x202881ae, 0xa4aef160, 0xecd7e6bc, 0x391359ad, 0xd8cc9318, 0xbbeee52e, 0x077067b0,
0xebd39d62, 0x0cedc547, 0x23d3e15e, 0xa5a81318, 0x179a32c6, 0xe4d3483d, 0x03680905, 0xe8018abc,
0xdde9ef5b, 0x438b8705, 0xb48224a0, 0xcbd69218, 0x9075795b, 0xc6411c3e, 0x03833f5c, 0xf33f8b5e,
0x495e464b, 0x83c8e65b, 0xac09cd25, 0xdaabc547, 0x7665a553, 0xc5263718, 0x2fd0c5cd, 0x22224d61,
0x3e954048, 0xfaa37557, 0x36dbc658, 0xa81453d0, 0x5a941f5d, 0xa598ea60, 0x65384ac6, 0x10aaa545,
0xaaab795b, 0xdda7024c, 0x0966f4c6, 0x68571c08, 0x8b40ee59, 0x33ac096c, 0x844b4c4b, 0xd392254d,
0xba4d5a46, 0x63029653, 0xf655f636, 0xbe4c4bb1, 0x45dad036, 0x204bc052, 0x06c3a2b2, 0xf31fba6a,
0xb21f09b0, 0x540d0751, 0xc7b46a57, 0x6a11795b, 0x3d514045, 0x0318aa6d, 0x30306ec3, 0x5c077432,
0x259ae46d, 0x82bbd35f, 0xae4222c0, 0x254415d4, 0xbd5f574b, 0xd8fd175e, 0x0a3f38c3, 0x2dce6bb8,
0xc201d058, 0x17fca5bc, 0xe8453cca, 0xd361f636, 0xa0d9edc0, 0x2f232e4e, 0x134e116c, 0x61ddc058,
0x05ba7283, 0xe1f7ed5b, 0x040ec452, 0x4b672e4e, 0xe4efa36d, 0x47dca52e, 0xe9332e4e, 0xa3acb992,
0x24714c90, 0xa8cc8632, 0x26b1ce6d, 0x264e53d4, 0xd3d2718c, 0x225534ad, 0xe289f3a2, 0x87341717,
0x9255ad4f, 0x184bbb25, 0x885c7abc, 0x3a6e9ac6, 0x1924185e, 0xb73d4c90, 0x946d807a, 0xa0d78e3f,
0x5a16bb25, 0xcb09795b, 0x8d0de657, 0x630b8b25, 0xe572c6cf, 0x2b3f1118, 0x4242a91f, 0x32990905,
0x058b0905, 0xe266fc60, 0xbe66c5b0, 0xcc98e46d, 0x698c943e, 0x44bd0cc3, 0x865c7abc, 0x771764d3,
0x4675d655, 0x354e4826, 0xb67ac152, 0xaeccf285, 0xea625b4e, 0xbcd6031f, 0x5e81eb18, 0x74b347ce,
0x3ca56ac1, 0x54ee4546, 0x38a8175e, 0xa3c21155, 0x2f01576d, 0x5d7ade50, 0xa003ae48, 0x2bc1d31f,
0x13f5094c, 0x7ab32648, 0x542e9fd5, 0x53136bc1, 0x7fdf51c0, 0x802197b2, 0xa2d2cc5b, 0x6b5f4bc0
};
bool ret = false;
CBitcoinAddrDb adb;
ret = adb.Read(m_BitcoinAddrMan);
if (0 == m_BitcoinAddrMan.size())
{
std::vector<CAddress> vAdd;
vAdd.reserve(ARRAYLEN(BitcoinNetSeed));
for (unsigned int i = 0; i < ARRAYLEN(BitcoinNetSeed); i++)
{
const int64_t nOneWeek = 7*24*60*60;
struct in_addr ip;
memcpy(&ip, &BitcoinNetSeed[i], sizeof(ip));
CAddress addr(CService(ip, Bitcoin_DEFAULT_PORT));
addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
vAdd.push_back(addr);
}
m_BitcoinAddrMan.Add(vAdd, CNetAddr("127.0.0.1"));
}
return ret;
}
int64_t DoReq(SOCKET sockfd, socklen_t servlen, struct sockaddr cliaddr) {
#ifdef WIN32
u_long nOne = 1;
if (ioctlsocket(sockfd, FIONBIO, &nOne) == SOCKET_ERROR) {
printf("ConnectSocket() : ioctlsocket non-blocking setting failed, error %d\n", WSAGetLastError());
#else
if (fcntl(sockfd, F_SETFL, O_NONBLOCK) == SOCKET_ERROR) {
printf("ConnectSocket() : fcntl non-blocking setting failed, error %d\n", errno);
#endif
return -2;
}
struct timeval timeout = {10, 0};
struct pkt *msg = new pkt;
struct pkt *prt = new pkt;
time_t seconds_transmit;
int len = 48;
msg->li_vn_mode=227;
msg->stratum=0;
msg->ppoll=4;
msg->precision=0;
msg->rootdelay=0;
msg->rootdispersion=0;
msg->ref.Ul_i.Xl_i=0;
msg->ref.Ul_f.Xl_f=0;
msg->org.Ul_i.Xl_i=0;
msg->org.Ul_f.Xl_f=0;
msg->rec.Ul_i.Xl_i=0;
msg->rec.Ul_f.Xl_f=0;
msg->xmt.Ul_i.Xl_i=0;
msg->xmt.Ul_f.Xl_f=0;
int retcode = sendto(sockfd, (char *) msg, len, 0, &cliaddr, servlen);
if (retcode < 0) {
printf("sendto() failed: %d\n", retcode);
seconds_transmit = -3;
goto _end;
}
fd_set fdset;
FD_ZERO(&fdset);
FD_SET(sockfd, &fdset);
retcode = select(sockfd + 1, &fdset, NULL, NULL, &timeout);
if (retcode <= 0) {
printf("recvfrom() error\n");
seconds_transmit = -4;
goto _end;
}
recvfrom(sockfd, (char *) msg, len, 0, NULL, NULL);
ntohl_fp(&msg->xmt, &prt->xmt);
Ntp2Unix(prt->xmt.Ul_i.Xl_ui, seconds_transmit);
_end:
delete msg;
delete prt;
return seconds_transmit;
}
int64_t NtpGetTime(CNetAddr& ip) {
struct sockaddr cliaddr;
SOCKET sockfd;
socklen_t servlen;
if (!InitWithRandom(sockfd, servlen, &cliaddr))
return -1;
ip = CNetAddr(((sockaddr_in *)&cliaddr)->sin_addr);
int64_t nTime = DoReq(sockfd, servlen, cliaddr);
closesocket(sockfd);
return nTime;
}
int64_t NtpGetTime(const std::string &strHostName)
{
struct sockaddr cliaddr;
SOCKET sockfd;
socklen_t servlen;
if (!InitWithHost(strHostName, sockfd, servlen, &cliaddr))
return -1;
int64_t nTime = DoReq(sockfd, servlen, cliaddr);
closesocket(sockfd);
return nTime;
}
// NTP server, which we unconditionally trust. This may be your own installation of ntpd somewhere, for example.
// "localhost" means "trust no one"
std::string strTrustedUpstream = "localhost";
// Current offset
int64_t nNtpOffset = INT64_MAX;
int64_t GetNtpOffset() {
return nNtpOffset;
}
void ThreadNtpSamples(void* parg) {
const int64_t nMaxOffset = 86400; // Not a real limit, just sanity threshold.
printf("Trying to find NTP server at localhost...\n");
std::string strLocalHost = "127.0.0.1";
if (NtpGetTime(strLocalHost) == GetTime()) {
printf("There is NTP server active at localhost, we don't need NTP thread.\n");
nNtpOffset = 0;
return;
}
printf("ThreadNtpSamples started\n");
vnThreadsRunning[THREAD_NTP]++;
// Make this thread recognisable as time synchronization thread
RenameThread("Chipcoin-ntp-samples");
CMedianFilter<int64_t> vTimeOffsets(200,0);
while (!fShutdown) {
if (strTrustedUpstream != "localhost") {
// Trying to get new offset sample from trusted NTP server.
int64_t nClockOffset = NtpGetTime(strTrustedUpstream) - GetTime();
if (abs64(nClockOffset) < nMaxOffset) {
// Everything seems right, remember new trusted offset.
printf("ThreadNtpSamples: new offset sample from %s, offset=%" PRId64 ".\n", strTrustedUpstream.c_str(), nClockOffset);
nNtpOffset = nClockOffset;
}
else {
// Something went wrong, disable trusted offset sampling.
nNtpOffset = INT64_MAX;
strTrustedUpstream = "localhost";
int nSleepMinutes = 1 + GetRandInt(9); // Sleep for 1-10 minutes.
for (int i = 0; i < nSleepMinutes * 60 && !fShutdown; i++)
MilliSleep(1000);
continue;
}
}
else {
// Now, trying to get 2-4 samples from random NTP servers.
int nSamplesCount = 2 + GetRandInt(2);
for (int i = 0; i < nSamplesCount; i++) {
CNetAddr ip;
int64_t nClockOffset = NtpGetTime(ip) - GetTime();
if (abs64(nClockOffset) < nMaxOffset) { // Skip the deliberately wrong timestamps
printf("ThreadNtpSamples: new offset sample from %s, offset=%" PRId64 ".\n", ip.ToString().c_str(), nClockOffset);
vTimeOffsets.input(nClockOffset);
}
}
if (vTimeOffsets.size() > 1) {
nNtpOffset = vTimeOffsets.median();
}
else {
// Not enough offsets yet, try to collect additional samples later.
nNtpOffset = INT64_MAX;
int nSleepMinutes = 1 + GetRandInt(4); // Sleep for 1-5 minutes.
for (int i = 0; i < nSleepMinutes * 60 && !fShutdown; i++)
MilliSleep(1000);
continue;
}
}
if (GetNodesOffset() == INT_MAX && abs64(nNtpOffset) > 40 * 60)
{
// If there is not enough node offsets data and NTP time offset is greater than 40 minutes then give a warning.
std::string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong Chipcoin will not work properly.");
strMiscWarning = strMessage;
printf("*** %s\n", strMessage.c_str());
uiInterface.ThreadSafeMessageBox(strMessage+" ", std::string("Chipcoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
}
printf("nNtpOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNtpOffset, nNtpOffset/60);
int nSleepHours = 1 + GetRandInt(5); // Sleep for 1-6 hours.
for (int i = 0; i < nSleepHours * 3600 && !fShutdown; i++)
MilliSleep(1000);
}
vnThreadsRunning[THREAD_NTP]--;
printf("ThreadNtpSamples exited\n");
}
