98990b683a
* Refactor: CDarkSendSigner -> CMessageSigner + CMasternodeBroadcast::IsVinAssociatedWithPubkey * move IsVinAssociatedWithPubkey to CMasternode * static IsVinAssociatedWithPubkey -> no params IsInputAssociatedWithPubkey
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
#include "darksend.h"
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#include "darksend-relay.h"
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#include "messagesigner.h"
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CDarkSendRelay::CDarkSendRelay()
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{
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vinMasternode = CTxIn();
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nBlockHeight = 0;
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nRelayType = 0;
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in = CTxIn();
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out = CTxOut();
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}
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CDarkSendRelay::CDarkSendRelay(CTxIn& vinMasternodeIn, vector<unsigned char>& vchSigIn, int nBlockHeightIn, int nRelayTypeIn, CTxIn& in2, CTxOut& out2)
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{
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vinMasternode = vinMasternodeIn;
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vchSig = vchSigIn;
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nBlockHeight = nBlockHeightIn;
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nRelayType = nRelayTypeIn;
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in = in2;
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out = out2;
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}
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std::string CDarkSendRelay::ToString()
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{
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std::ostringstream info;
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info << "vin: " << vinMasternode.ToString() <<
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" nBlockHeight: " << (int)nBlockHeight <<
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" nRelayType: " << (int)nRelayType <<
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" in " << in.ToString() <<
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" out " << out.ToString();
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return info.str();
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}
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bool CDarkSendRelay::Sign(std::string strSharedKey)
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{
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std::string strError = "";
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std::string strMessage = in.ToString() + out.ToString();
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CKey key2;
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CPubKey pubkey2;
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if(!CMessageSigner::GetKeysFromSecret(strSharedKey, key2, pubkey2)) {
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LogPrintf("CDarkSendRelay::Sign -- GetKeysFromSecret() failed, invalid shared key %s\n", strSharedKey);
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return false;
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}
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if(!CMessageSigner::SignMessage(strMessage, vchSig2, key2)) {
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LogPrintf("CDarkSendRelay::Sign -- SignMessage() failed\n");
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return false;
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}
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if(!CMessageSigner::VerifyMessage(pubkey2, vchSig2, strMessage, strError)) {
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LogPrintf("CDarkSendRelay::Sign -- VerifyMessage() failed, error: %s\n", strError);
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return false;
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}
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return true;
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}
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bool CDarkSendRelay::VerifyMessage(std::string strSharedKey)
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{
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std::string strError = "";
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std::string strMessage = in.ToString() + out.ToString();
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CKey key2;
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CPubKey pubkey2;
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if(!CMessageSigner::GetKeysFromSecret(strSharedKey, key2, pubkey2)) {
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LogPrintf("CDarkSendRelay::VerifyMessage -- GetKeysFromSecret() failed, invalid shared key %s\n", strSharedKey);
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return false;
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}
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if(!CMessageSigner::VerifyMessage(pubkey2, vchSig2, strMessage, strError)) {
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LogPrintf("CDarkSendRelay::VerifyMessage -- VerifyMessage() failed, error: %s\n", strError);
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return false;
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}
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return true;
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}
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void CDarkSendRelay::Relay()
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{
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int nCount = std::min(mnodeman.CountEnabled(MIN_PRIVATESEND_PEER_PROTO_VERSION), 20);
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int nRank1 = (rand() % nCount)+1;
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int nRank2 = (rand() % nCount)+1;
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//keep picking another second number till we get one that doesn't match
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while(nRank1 == nRank2) nRank2 = (rand() % nCount)+1;
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//printf("rank 1 - rank2 %d %d \n", nRank1, nRank2);
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//relay this message through 2 separate nodes for redundancy
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RelayThroughNode(nRank1);
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RelayThroughNode(nRank2);
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}
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void CDarkSendRelay::RelayThroughNode(int nRank)
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{
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CMasternode* pmn = mnodeman.GetMasternodeByRank(nRank, nBlockHeight, MIN_PRIVATESEND_PEER_PROTO_VERSION);
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if(pmn != NULL){
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//printf("RelayThroughNode %s\n", pmn->addr.ToString().c_str());
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CNode* pnode = ConnectNode((CAddress)pmn->addr, NULL);
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if(pnode) {
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//printf("Connected\n");
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pnode->PushMessage("dsr", (*this));
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return;
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}
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} else {
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//printf("RelayThroughNode NULL\n");
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}
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}
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