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nodeUtils.cpp
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nodeUtils.cpp
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#include <cstring>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <chrono>
#include <memory>
#include <stdexcept>
#include "structs.h"
#include "connection.h"
#include "nodeUtils.h"
#include "logger.h"
#include "K12AndKeyUtil.h"
#include "keyUtils.h"
#include "walletUtils.h"
#include "qubicLogParser.h"
static CurrentTickInfo getTickInfoFromNode(QCPtr qc)
{
CurrentTickInfo result;
memset(&result, 0, sizeof(CurrentTickInfo));
struct {
RequestResponseHeader header;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_CURRENT_TICK_INFO);
qc->sendData((uint8_t *) &packet, packet.header.size());
std::vector<uint8_t> buffer;
qc->receiveDataAll(buffer);
uint8_t* data = buffer.data();
int recvByte = buffer.size();
int ptr = 0;
while (ptr < recvByte)
{
auto header = (RequestResponseHeader*)(data+ptr);
if (header->type() == RESPOND_CURRENT_TICK_INFO){
auto curTickInfo = (CurrentTickInfo*)(data + ptr + sizeof(RequestResponseHeader));
result = *curTickInfo;
}
ptr+= header->size();
}
return result;
}
uint32_t getTickNumberFromNode(QCPtr qc)
{
auto curTickInfo = getTickInfoFromNode(qc);
int retryCounter = 0;
while (curTickInfo.tick == 0 && retryCounter++ < 3)
curTickInfo = getTickInfoFromNode(qc);
return curTickInfo.tick;
}
void printTickInfoFromNode(const char* nodeIp, int nodePort)
{
auto qc = make_qc(nodeIp, nodePort);
auto curTickInfo = getTickInfoFromNode(qc);
if (curTickInfo.epoch != 0){
LOG("Tick: %u\n", curTickInfo.tick);
LOG("Epoch: %u\n", curTickInfo.epoch);
LOG("Number Of Aligned Votes: %u\n", curTickInfo.numberOfAlignedVotes);
LOG("Number Of Misaligned Votes: %u\n", curTickInfo.numberOfMisalignedVotes);
LOG("Initial tick: %u\n", curTickInfo.initialTick);
} else {
LOG("Error while getting tick info from %s:%d\n", nodeIp, nodePort);
}
}
static CurrentSystemInfo getSystemInfoFromNode(QCPtr qc)
{
CurrentSystemInfo result;
memset(&result, 0, sizeof(CurrentSystemInfo));
struct {
RequestResponseHeader header;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_SYSTEM_INFO);
qc->sendData((uint8_t *) &packet, packet.header.size());
std::vector<uint8_t> buffer;
qc->receiveDataAll(buffer);
uint8_t* data = buffer.data();
int recvByte = buffer.size();
int ptr = 0;
while (ptr < recvByte)
{
auto header = (RequestResponseHeader*)(data+ptr);
if (header->type() == RESPOND_SYSTEM_INFO){
auto curSystemInfo = (CurrentSystemInfo*)(data + ptr + sizeof(RequestResponseHeader));
result = *curSystemInfo;
}
ptr+= header->size();
}
return result;
}
void printSystemInfoFromNode(const char* nodeIp, int nodePort)
{
auto qc = make_qc(nodeIp, nodePort);
auto curSystemInfo = getSystemInfoFromNode(qc);
if (curSystemInfo.epoch != 0){
LOG("Version: %u\n", curSystemInfo.version);
LOG("Epoch: %u\n", curSystemInfo.epoch);
LOG("Tick: %u\n", curSystemInfo.tick);
LOG("InitialTick: %u\n", curSystemInfo.initialTick);
LOG("LatestCreatedTick: %u\n", curSystemInfo.latestCreatedTick);
LOG("NumberOfEntities: %u\n", curSystemInfo.numberOfEntities);
LOG("TotalSpectrumAmount: %llu\n", curSystemInfo.totalSpectrumAmount);
LOG("EntityBalanceDustThreshold: %llu\n", curSystemInfo.currentEntityBalanceDustThreshold);
LOG("NumberOfTransactions: %u\n", curSystemInfo.numberOfTransactions);
char hex[65];
byteToHex(curSystemInfo.randomMiningSeed, hex, 32);
LOG("RandomMiningSeed: %s\n", hex);
LOG("SolutionThreshold: %u\n", curSystemInfo.solutionThreshold);
// todo: add initial time
LOG("\nAbout EntityBalanceDustThreshold: Entity balances less or euqal this value will be burned if number of entites rises to 75%% of spectrum capacity. Starts to be meaningful if >50%% of spectrum is filled but may still change after that.\n");
} else {
LOG("Error while getting system info from %s:%d\n", nodeIp, nodePort);
}
}
static void getTickTransactions(QubicConnection* qc, const uint32_t requestedTick, int nTx,
std::vector<Transaction>& txs, //out
std::vector<TxhashStruct>* hashes, //out
std::vector<extraDataStruct>* extraData, // out
std::vector<SignatureStruct>* sigs // out
)
{
txs.resize(0);
if (hashes != nullptr)
{
hashes->resize(0);
}
if (extraData != nullptr)
{
extraData->resize(0);
}
if (sigs != nullptr)
{
sigs->resize(0);
}
struct {
RequestResponseHeader header;
RequestedTickTransactions txs;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_TICK_TRANSACTIONS); // REQUEST_TICK_TRANSACTIONS
packet.txs.tick = requestedTick;
for (int i = 0; i < (nTx+7)/8; i++) packet.txs.transactionFlags[i] = 0;
for (int i = (nTx+7)/8; i < NUMBER_OF_TRANSACTIONS_PER_TICK/8; i++) packet.txs.transactionFlags[i] = 0xff;
qc->sendData((uint8_t *) &packet, packet.header.size());
std::vector<uint8_t> buffer;
qc->receiveDataAll(buffer);
uint8_t* data = buffer.data();
int recvByte = buffer.size();
int ptr = 0;
while (ptr < recvByte)
{
auto header = (RequestResponseHeader*)(data+ptr);
if (header->type() == BROADCAST_TRANSACTION){
auto tx = (Transaction *)(data + ptr + sizeof(RequestResponseHeader));
txs.push_back(*tx);
if (hashes != nullptr){
TxhashStruct hash;
uint8_t digest[32] = {0};
char txHash[128] = {0};
KangarooTwelve(reinterpret_cast<const uint8_t *>(tx),
sizeof(Transaction) + tx->inputSize + SIGNATURE_SIZE,
digest,
32);
getTxHashFromDigest(digest, txHash);
memcpy(hash.hash, txHash, 60);
hashes->push_back(hash);
}
if (extraData != nullptr){
extraDataStruct ed;
ed.vecU8.resize(tx->inputSize);
if (tx->inputSize != 0){
memcpy(ed.vecU8.data(), reinterpret_cast<const uint8_t *>(tx) + sizeof(Transaction), tx->inputSize);
}
extraData->push_back(ed);
}
if (sigs != nullptr){
SignatureStruct sig;
memcpy(sig.sig, reinterpret_cast<const uint8_t *>(tx) + sizeof(Transaction) + tx->inputSize, 64);
sigs->push_back(sig);
}
}
ptr+= header->size();
}
}
static void getTickData(const char* nodeIp, const int nodePort, const uint32_t tick, TickData& result)
{
memset(&result, 0, sizeof(TickData));
static struct
{
RequestResponseHeader header;
RequestTickData requestTickData;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_TICK_DATA);
packet.requestTickData.requestedTickData.tick = tick;
auto qc = make_qc(nodeIp, nodePort);
qc->sendData((uint8_t *) &packet, packet.header.size());
std::vector<uint8_t> buffer;
qc->receiveDataAll(buffer);
uint8_t* data = buffer.data();
int recvByte = buffer.size();
int ptr = 0;
while (ptr < recvByte)
{
auto header = (RequestResponseHeader*)(data+ptr);
if (header->type() == BROADCAST_FUTURE_TICK_DATA){
auto curTickData = (TickData*)(data + ptr + sizeof(RequestResponseHeader));
result = *curTickData;
}
ptr+= header->size();
}
}
int getMoneyFlewStatus(QubicConnection* qc, const char* txHash, const uint32_t requestedTick)
{
struct {
RequestResponseHeader header;
RequestTxStatus rts;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_TX_STATUS); // REQUEST_TX_STATUS
packet.rts.tick = requestedTick;
qc->sendData((uint8_t *) &packet, packet.header.size());
std::vector<uint8_t> buffer;
try{
qc->receiveDataAll(buffer);
}
catch (std::logic_error& e) {
// it's expected to catch this error on some node that not turn on tx status
return -1;
}
uint8_t* data = buffer.data();
int recvByte = buffer.size();
int ptr = 0;
RespondTxStatus result;
memset(&result, 0, sizeof(result));
while (ptr < recvByte)
{
auto header = (RequestResponseHeader*)(data+ptr);
if (header->type() == RESPOND_TX_STATUS){
// notice: the node not always return full size of RESPOND_TX_STATUS
// it only returns enough digests
auto ptr_rts = (RespondTxStatus *)(data + ptr + sizeof(RequestResponseHeader));
size_t received_size = ptr_rts->size();
memcpy(&result, ptr_rts, received_size);
break;
}
ptr+= header->size();
}
int tx_id = -1;
for (int i = 0; i < result.txCount; i++){
char tx_hash[60];
memset(tx_hash, 0, 60);
getIdentityFromPublicKey(result.txDigests[i], tx_hash, true);
if (memcmp(tx_hash, txHash, 60) == 0){
tx_id = i;
break;
}
}
if (tx_id == -1){
return -1; // not found !?
}
return (result.moneyFlew[tx_id >> 3] & (1<<(tx_id & 7))) ? 1 : 0;
}
bool checkTxOnTick(const char* nodeIp, const int nodePort, const char* txHash, uint32_t requestedTick)
{
auto qc = std::make_shared<QubicConnection>(nodeIp, nodePort);
// conditions:
// - current Tick is higher than requested tick
// - has tick data
// - has txHash in tick transactions
uint32_t currenTick = getTickNumberFromNode(qc);
if (currenTick <= requestedTick)
{
LOG("Please wait a bit more. Requested tick %u, current tick %u\n", requestedTick, currenTick);
return false;
}
TickData td;
getTickData(nodeIp, nodePort, requestedTick, td);
if (td.epoch == 0)
{
LOG("Tick %u is empty\n", requestedTick);
return false;
}
int numTx = 0;
uint8_t all_zero[32] = {0};
for (int i = 0; i < NUMBER_OF_TRANSACTIONS_PER_TICK; i++){
if (memcmp(all_zero, td.transactionDigests[i], 32) != 0) numTx++;
}
std::vector<Transaction> txs;
std::vector<TxhashStruct> txHashesFromTick;
std::vector<extraDataStruct> extraData;
std::vector<SignatureStruct> signatureStruct;
getTickTransactions(qc.get(), requestedTick, numTx, txs, &txHashesFromTick, &extraData, &signatureStruct);
for (int i = 0; i < txHashesFromTick.size(); i++)
{
if (memcmp(txHashesFromTick[i].hash, txHash, 60) == 0)
{
LOG("Found tx %s on tick %u\n", txHash, requestedTick);
// check for moneyflew status
int moneyFlew = getMoneyFlewStatus(qc.get(), txHash, requestedTick);
printReceipt(txs[i], txHash, extraData[i].vecU8.data(), moneyFlew);
return true;
}
}
LOG("Can NOT find tx %s on tick %u\n", txHash, requestedTick);
return false;
}
static void dumpQuorumTick(const Tick& A, bool dumpComputorIndex = true){
char digest[64] = {0};
if (dumpComputorIndex) LOG("Computor index: %d\n", A.computorIndex);
LOG("Epoch: %d\n", A.epoch);
LOG("Tick: %d\n", A.tick);
LOG("Time: 20%02u-%02u-%02u %02u:%02u:%02u.%04u\n", A.year, A.month, A.day, A.hour, A.minute, A.second, A.millisecond);
LOG("prevResourceTestingDigest: %llu\n", A.prevResourceTestingDigest);
getIdentityFromPublicKey(A.prevSpectrumDigest, digest, true);
LOG("prevSpectrumDigest: %s\n", digest);
getIdentityFromPublicKey(A.prevUniverseDigest, digest, true);
LOG("prevUniverseDigest: %s\n", digest);
getIdentityFromPublicKey(A.prevComputerDigest, digest, true);
LOG("prevComputerDigest: %s\n", digest);
getIdentityFromPublicKey(A.transactionDigest, digest, true);
LOG("transactionDigest: %s\n", digest);
getIdentityFromPublicKey(A.expectedNextTickTransactionDigest, digest, true);
LOG("expectedNextTickTransactionDigest: %s\n", digest);
}
bool compareVote(const Tick&A, const Tick&B){
return (A.epoch == B.epoch) && (A.tick == B.tick) &&
(A.year == B.year) && (A.month == B.month) && (A.day == B.day) && (A.hour == B.hour) && (A.minute == B.minute) && (A.second == B.second) &&
(A.millisecond == B.millisecond) &&
(A.prevResourceTestingDigest == B.prevResourceTestingDigest) &&
(memcmp(A.prevSpectrumDigest, B.prevSpectrumDigest, 32) == 0) &&
(memcmp(A.prevUniverseDigest, B.prevUniverseDigest, 32) == 0) &&
(memcmp(A.prevComputerDigest, B.prevComputerDigest, 32) == 0) &&
(memcmp(A.transactionDigest, B.transactionDigest, 32) == 0) &&
(memcmp(A.expectedNextTickTransactionDigest, B.expectedNextTickTransactionDigest, 32) == 0);
}
bool verifyVoteWithSalt(const Tick&A,
const BroadcastComputors& bc,
const long long prevResourceDigest,
const uint8_t* prevSpectrumDigest,
const uint8_t* prevUniverseDigest,
const uint8_t* prevComputerDigest){
int cid = A.computorIndex;
uint8_t saltedData[64];
uint8_t saltedDigest[32];
memset(saltedData, 0, 64);
memcpy(saltedData, bc.computors.publicKeys[cid], 32);
memcpy(saltedData+32, &prevResourceDigest, 8);
KangarooTwelve(saltedData, 40, saltedDigest, 8);
if (A.saltedResourceTestingDigest != *((unsigned long long*)(saltedDigest))){
LOG("Mismatched saltedResourceTestingDigest. Computor index: %d\n", cid);
return false;
}
memcpy(saltedData+32, prevSpectrumDigest, 32);
KangarooTwelve(saltedData, 64, saltedDigest, 32);
if (memcmp(saltedDigest, A.saltedSpectrumDigest, 32) != 0)
{
LOG("Mismatched saltedSpectrumDigest. Computor index: %d\n", cid);
return false;
}
memcpy(saltedData+32, prevUniverseDigest, 32);
KangarooTwelve(saltedData, 64, saltedDigest, 32);
if (memcmp(saltedDigest, A.saltedUniverseDigest, 32) != 0)
{
LOG("Mismatched saltedUniverseDigest. Computor index: %d\n", cid);
return false;
}
memcpy(saltedData+32, prevComputerDigest, 32);
KangarooTwelve(saltedData, 64, saltedDigest, 32);
if (memcmp(saltedDigest, A.saltedComputerDigest, 32) != 0)
{
LOG("Mismatched saltedComputerDigest. Computor index: %d\n", cid);
return false;
}
return true;
}
std::string indexToAlphabet(int index){
std::string result = "";
result += char('A' + (index/26));
result += char('A' + (index%26));
return result;
}
void getUniqueVotes(std::vector<Tick>& votes, std::vector<Tick>& uniqueVote, std::vector<std::vector<int>>& voteIndices, int N,
bool verifySalt = false,
BroadcastComputors* pBC = nullptr,
const long long prevResourceDigest = 0,
const uint8_t* prevSpectrumDigest = nullptr,
const uint8_t* prevUniverseDigest = nullptr,
const uint8_t* prevComputerDigest = nullptr
)
{
if (votes.size() == 0) return;
if (verifySalt)
{
std::vector<Tick> new_votes;
LOG("Performing salt check...\n");
bool all_passed = true;
for (int i = 0; i < N; i++)
{
if (!verifyVoteWithSalt(votes[i], *pBC, prevResourceDigest, prevSpectrumDigest, prevUniverseDigest, prevComputerDigest)){
LOG("Vote %d failed to pass salt check\n", i);
dumpQuorumTick(votes[i]);
all_passed = false;
} else {
new_votes.push_back(votes[i]);
}
}
if (all_passed){
LOG("ALL votes PASSED salts check\n");
} else {
votes = new_votes;
}
}
uniqueVote.resize(0);
uniqueVote.push_back(votes[0]);
voteIndices.resize(1);
voteIndices[0].push_back(votes[0].computorIndex);
for (int i = 1; i < votes.size(); i++){
int vote_indice = -1;
for (int j = 0; j < uniqueVote.size(); j++){
if (compareVote(votes[i], uniqueVote[j])){
vote_indice = j;
break;
}
}
if (vote_indice != -1){
voteIndices[vote_indice].push_back(votes[i].computorIndex);
} else {
uniqueVote.push_back(votes[i]);
voteIndices.resize(voteIndices.size() + 1);
int M = voteIndices.size() -1;
voteIndices[M].resize(0);
voteIndices[M].push_back(votes[i].computorIndex);
}
}
}
void getQuorumTick(const char* nodeIp, const int nodePort, uint32_t requestedTick, const char* compFileName)
{
auto qc = std::make_shared<QubicConnection>(nodeIp, nodePort);
BroadcastComputors bc;
{
FILE* f = fopen(compFileName, "rb");
if (fread(&bc, 1, sizeof(BroadcastComputors), f) != sizeof(BroadcastComputors)){
LOG("Failed to read comp list\n");
fclose(f);
return;
}
fclose(f);
}
static struct
{
RequestResponseHeader header;
RequestedQuorumTick rqt;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(RequestedQuorumTick::type); // REQUEST_TICK_DATA
packet.rqt.tick = requestedTick;
memset(packet.rqt.voteFlags, 0, (676 + 7) / 8);
qc->sendData(reinterpret_cast<uint8_t *>(&packet), sizeof(packet));
auto votes = qc->getLatestVectorPacketAs<Tick>();
LOG("Received %d quorum tick #%u (votes)\n", votes.size(), requestedTick);
packet.rqt.tick = requestedTick+1;
memset(packet.rqt.voteFlags, 0, (676 + 7) / 8);
qc->sendData(reinterpret_cast<uint8_t *>(&packet), sizeof(packet));
auto votes_next = qc->getLatestVectorPacketAs<Tick>();
LOG("Received %d quorum tick #%u (votes)\n", votes_next.size(), requestedTick+1);
int N = votes.size();
if (N == 0){
return;
}
for (int i = 0; i < N; i++){
uint8_t digest[64] = {0};
votes[i].computorIndex ^= Tick::type();
KangarooTwelve((uint8_t*)&votes[i], sizeof(Tick) - SIGNATURE_SIZE, digest, 32);
votes[i].computorIndex ^= Tick::type();
int comp_index = votes[i].computorIndex;
if (!verify(bc.computors.publicKeys[comp_index], digest, votes[i].signature)){
LOG("Signature of vote %d is not correct\n", i);
dumpQuorumTick(votes[i]);
return;
}
}
std::vector<Tick> uniqueVote, uniqueVoteNext;
std::vector<std::vector<int>> voteIndices, voteIndicesNext;
getUniqueVotes(votes_next, uniqueVoteNext, voteIndicesNext, N);
if (votes_next.size() < 451)
{
printf("Failed to get votes for tick %d, this will not perform salt check\n", requestedTick+1);
getUniqueVotes(votes, uniqueVote, voteIndices, N);
}
else
{
int max_id = 0;
for (int i = 1; i < uniqueVote.size(); i++){
if (voteIndicesNext[max_id].size() < voteIndicesNext[i].size()){
max_id = i;
}
}
auto vote_next = uniqueVoteNext[max_id];
getUniqueVotes(votes, uniqueVote, voteIndices, N, true, &bc,
vote_next.prevResourceTestingDigest,
vote_next.prevSpectrumDigest,
vote_next.prevUniverseDigest,
vote_next.prevComputerDigest);
}
LOG("Number of unique votes: %d\n", uniqueVote.size());
for (int i = 0; i < uniqueVote.size(); i++){
LOG("Vote #%d (voted by %d computors ID) ", i, voteIndices[i].size());
const bool dumpComputorIndex = false;
dumpQuorumTick(uniqueVote[i], dumpComputorIndex);
LOG("Voted by: ");
std::sort(voteIndices[i].begin(), voteIndices[i].end());
for (int j = 0; j < voteIndices[i].size(); j++){
int index = voteIndices[i][j];
auto alphabet = indexToAlphabet(index);
if (j < voteIndices[i].size() - 1){
LOG("%d(%s), ", index, alphabet.c_str());
} else {
LOG("%d(%s)\n", index, alphabet.c_str());
}
}
}
}
void getTickDataToFile(const char* nodeIp, const int nodePort, uint32_t requestedTick, const char* fileName)
{
auto qc = std::make_shared<QubicConnection>(nodeIp, nodePort);
uint32_t currenTick = getTickNumberFromNode(qc);
TickData td;
getTickData(nodeIp, nodePort, requestedTick, td);
if (td.epoch == 0)
{
LOG("Tick %u is empty\n", requestedTick);
return;
}
int numTx = 0;
uint8_t all_zero[32] = {0};
for (int i = 0; i < NUMBER_OF_TRANSACTIONS_PER_TICK; i++){
if (memcmp(all_zero, td.transactionDigests[i], 32) != 0) numTx++;
}
std::vector<Transaction> txs;
std::vector<extraDataStruct> extraData;
std::vector<SignatureStruct> signatures;
getTickTransactions(qc.get(), requestedTick, numTx, txs, nullptr, &extraData, &signatures);
FILE* f = fopen(fileName, "wb");
fwrite(&td, 1, sizeof(TickData), f);
for (int i = 0; i < txs.size(); i++)
{
fwrite(&txs[i], 1, sizeof(Transaction), f);
int extraDataSize = txs[i].inputSize;
if (extraDataSize != 0){
fwrite(extraData[i].vecU8.data(), 1, extraDataSize, f);
}
fwrite(signatures[i].sig, 1, SIGNATURE_SIZE, f);
}
fclose(f);
LOG("Tick data and tick transactions have been written to %s\n", fileName);
}
void readTickDataFromFile(const char* fileName, TickData& td,
std::vector<Transaction>& txs,
std::vector<extraDataStruct>* extraData,
std::vector<SignatureStruct>* signatures,
std::vector<TxhashStruct>* txHashes)
{
uint8_t extraDataBuffer[1024] = {0};
uint8_t signatureBuffer[128] = {0};
char txHashBuffer[128] = {0};
uint8_t digest[32] = {0};
FILE* f = fopen(fileName, "rb");
fread(&td, 1, sizeof(TickData), f);
int numTx = 0;
uint8_t all_zero[32] = {0};
LOG("List of transactions on tickData (correct order):\n");
for (int i = 0; i < NUMBER_OF_TRANSACTIONS_PER_TICK; i++){
if (memcmp(all_zero, td.transactionDigests[i], 32) != 0){
numTx++;
char digestHex[65];
byteToHex(td.transactionDigests[i], digestHex, 32);
LOG("%s\n", digestHex);
}
}
std::vector<uint8_t> vDigests;
vDigests.resize(32*numTx);
for (int i = 0; i < numTx; i++){
Transaction tx;
fread(&tx, 1, sizeof(Transaction), f);
int extraDataSize = tx.inputSize;
if (extraData != nullptr){
extraDataStruct eds;
if (extraDataSize != 0){
fread(extraDataBuffer, 1, extraDataSize, f);
eds.vecU8.resize(extraDataSize);
memcpy(eds.vecU8.data(), extraDataBuffer, extraDataSize);
}
extraData->push_back(eds);
}
fread(signatureBuffer, 1, SIGNATURE_SIZE, f);
if (signatures != nullptr){
SignatureStruct sig;
memcpy(sig.sig, signatureBuffer, SIGNATURE_SIZE);
signatures->push_back(sig);
}
{
std::vector<uint8_t> raw_data;
raw_data.resize(sizeof(Transaction) + tx.inputSize + SIGNATURE_SIZE);
auto ptr = raw_data.data();
memcpy(ptr, &tx, sizeof(Transaction));
memcpy(ptr + sizeof(Transaction), extraDataBuffer, tx.inputSize);
memcpy(ptr + sizeof(Transaction) + tx.inputSize, signatureBuffer, SIGNATURE_SIZE);
KangarooTwelve(ptr,
raw_data.size(),
digest,
32);
memcpy(vDigests.data() + i * 32, digest, 32);
}
if (txHashes != nullptr){
TxhashStruct tx_hash;
getTxHashFromDigest(digest, txHashBuffer);
memcpy(tx_hash.hash, txHashBuffer, 60);
txHashes->push_back(tx_hash);
}
txs.push_back(tx);
}
// put in correct order by tickdata
std::vector<Transaction> _txs; _txs.resize(numTx);
std::vector<extraDataStruct> _extraData;
std::vector<SignatureStruct> _signatures;
std::vector<TxhashStruct> _txHashes;
if (extraData != nullptr) _extraData.resize(numTx);
if (signatures != nullptr) _signatures.resize(numTx);
if (txHashes != nullptr) _txHashes.resize(numTx);
for (int i = 0; i < numTx; i++){
for (int j = 0; j < numTx; j++){
// guaranteed by the protocol, if any duplicated here it's a bug on core side
if (memcmp(vDigests.data() + j * 32, td.transactionDigests[i], 32) == 0)
{
_txs[i] = txs[j];
if (extraData != nullptr) _extraData[i] = (*extraData)[j];
if (signatures != nullptr) _signatures[i] = (*signatures)[j];
if (txHashes != nullptr) _txHashes[i] = (*txHashes)[j];
}
}
}
txs = _txs;
if (extraData != nullptr) (*extraData) = _extraData;
if (signatures != nullptr) (*signatures) = _signatures;
if (txHashes != nullptr) (*txHashes) = _txHashes;
fclose(f);
}
BroadcastComputors readComputorListFromFile(const char* fileName);
void printTickDataFromFile(const char* fileName, const char* compFile)
{
TickData td;
std::vector<Transaction> txs;
std::vector<extraDataStruct> extraData;
std::vector<SignatureStruct> signatures;
std::vector<TxhashStruct> txHashes;
uint8_t digest[32];
readTickDataFromFile(fileName, td, txs, &extraData, &signatures, &txHashes);
//verifying everything
BroadcastComputors bc;
bc = readComputorListFromFile(compFile);
if (bc.computors.epoch != td.epoch){
LOG("Computor list epoch (%u) and tick data epoch (%u) are not matched\n", bc.computors.epoch, td.epoch);
}
KangarooTwelve((uint8_t*)&td, sizeof(TickData), digest, 32);
{
char tddigest[61]={0};
getIdentityFromPublicKey(digest, tddigest, true);
LOG("Tickdata: %s\n", tddigest);
}
int computorIndex = td.computorIndex;
td.computorIndex ^= BROADCAST_FUTURE_TICK_DATA;
KangarooTwelve(reinterpret_cast<const uint8_t *>(&td),
sizeof(TickData) - SIGNATURE_SIZE,
digest,
32);
uint8_t* computorOfThisTick = bc.computors.publicKeys[computorIndex];
if (verify(computorOfThisTick, digest, td.signature)){
char computorID[61] = {0};
getIdentityFromPublicKey(computorOfThisTick, computorID, false);
LOG("Tick is VERIFIED (signed by correct computor).\n");
LOG("Comp ID: %s\n", computorID);
} else {
LOG("Tick is NOT verified (not signed by correct computor).\n");
}
LOG("Epoch: %u\n", td.epoch);
LOG("Tick: %u\n", td.tick);
LOG("Computor index: %u\n", computorIndex);
LOG("Datetime: %u-%u-%u %u:%u:%u.%u\n", td.day, td.month, td.year, td.hour, td.minute, td.second, td.millisecond);
for (int i = 0; i < txs.size(); i++)
{
uint8_t* extraDataPtr = extraData[i].vecU8.empty() ? nullptr : extraData[i].vecU8.data();
printReceipt(txs[i], txHashes[i].hash, extraDataPtr);
if (verifyTx(txs[i], extraData[i].vecU8.data(), signatures[i].sig))
{
LOG("Transaction is VERIFIED\n");
} else {
LOG("Transaction is NOT VERIFIED. Incorrect signature\n");
}
}
}
bool checkTxOnFile(const char* txHash, const char* fileName)
{
TickData td;
std::vector<Transaction> txs;
std::vector<extraDataStruct> extraData;
std::vector<SignatureStruct> signatures;
std::vector<TxhashStruct> txHashes;
readTickDataFromFile(fileName, td, txs, &extraData, &signatures, &txHashes);
for (int i = 0; i < txs.size(); i++)
{
if (memcmp(txHashes[i].hash, txHash, 60) == 0){
LOG("Found tx %s on file %s\n", txHash, fileName);
printReceipt(txs[i], txHash, extraData[i].vecU8.data());
return true;
}
}
LOG("Can NOT find tx %s on file %s\n", txHash, fileName);
return false;
}
void sendRawPacket(const char* nodeIp, const int nodePort, int rawPacketSize, uint8_t* rawPacket)
{
std::vector<uint8_t> buffer;
auto qc = make_qc(nodeIp, nodePort);
qc->sendData(rawPacket, rawPacketSize);
LOG("Sent %d bytes\n", rawPacketSize);
qc->receiveDataAll(buffer);
LOG("Received %d bytes\n", buffer.size());
for (int i = 0; i < buffer.size(); i++){
LOG("%02x", buffer[i]);
}
LOG("\n");
}
void sendSpecialCommand(const char* nodeIp, const int nodePort, const char* seed, int command)
{
uint8_t privateKey[32] = {0};
uint8_t sourcePublicKey[32] = {0};
uint8_t subseed[32] = {0};
uint8_t digest[32] = {0};
uint8_t signature[64] = {0};
struct {
RequestResponseHeader header;
SpecialCommand cmd;
uint8_t signature[64];
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(PROCESS_SPECIAL_COMMAND);
uint64_t curTime = time(NULL);
uint64_t commandByte = (uint64_t)(command) << 56;
packet.cmd.everIncreasingNonceAndCommandType = commandByte | curTime;
getSubseedFromSeed((uint8_t*)seed, subseed);
getPrivateKeyFromSubSeed(subseed, privateKey);
getPublicKeyFromPrivateKey(privateKey, sourcePublicKey);
KangarooTwelve((unsigned char*)&packet.cmd,
sizeof(packet.cmd),
digest,
32);
sign(subseed, sourcePublicKey, digest, signature);
memcpy(packet.signature, signature, 64);
auto qc = make_qc(nodeIp, nodePort);
qc->sendData((uint8_t *) &packet, packet.header.size());
auto response = qc->receivePacketAs<SpecialCommand>();
if (response.everIncreasingNonceAndCommandType == packet.cmd.everIncreasingNonceAndCommandType){
LOG("Node received special command\n");
} else{
if (command != SPECIAL_COMMAND_REFRESH_PEER_LIST){
LOG("Failed to send special command\n");
} else {
LOG("Sent special command\n"); // the connection is refreshed right after this command, no way to verify remotely
}
}
}
void toogleMainAux(const char* nodeIp, const int nodePort, const char* seed,
int command, std::string mode0, std::string mode1)
{
uint8_t privateKey[32] = {0};
uint8_t sourcePublicKey[32] = {0};
uint8_t subseed[32] = {0};
uint8_t digest[32] = {0};
uint8_t signature[64] = {0};
struct {
RequestResponseHeader header;
SpecialCommandToggleMainModeResquestAndResponse cmd;
uint8_t signature[64];
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(PROCESS_SPECIAL_COMMAND);
uint64_t curTime = time(NULL);
uint64_t commandByte = (uint64_t)(command) << 56;
packet.cmd.everIncreasingNonceAndCommandType = commandByte | curTime;
uint8_t flag = 0;
if (mode0 == "MAIN") flag |= 1;
if (mode1 == "MAIN") flag |= 2;
packet.cmd.mainModeFlag = flag;
memset(packet.cmd.padding, 0, 7);
getSubseedFromSeed((uint8_t*)seed, subseed);
getPrivateKeyFromSubSeed(subseed, privateKey);
getPublicKeyFromPrivateKey(privateKey, sourcePublicKey);
KangarooTwelve((unsigned char*)&packet.cmd,
sizeof(packet.cmd),
digest,
32);
sign(subseed, sourcePublicKey, digest, signature);
memcpy(packet.signature, signature, 64);
auto qc = make_qc(nodeIp, nodePort);
qc->sendData((uint8_t *) &packet, packet.header.size());
auto response = qc->receivePacketAs<SpecialCommandToggleMainModeResquestAndResponse>();
if (response.everIncreasingNonceAndCommandType == packet.cmd.everIncreasingNonceAndCommandType){
if (response.mainModeFlag == packet.cmd.mainModeFlag){
LOG("Successfully set MAINAUX flag\n");
} else {
LOG("The packet is successfully sent but failed set MAINAUX flag\n");
}
} else{
LOG("Failed set MAINAUX flag\n");
}
}
void setSolutionThreshold(const char* nodeIp, const int nodePort, const char* seed,
int command, int epoch, int threshold)
{
uint8_t privateKey[32] = {0};
uint8_t sourcePublicKey[32] = {0};
uint8_t subseed[32] = {0};
uint8_t digest[32] = {0};
uint8_t signature[64] = {0};
struct {
RequestResponseHeader header;
SpecialCommandSetSolutionThresholdResquestAndResponse cmd;
uint8_t signature[64];
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(PROCESS_SPECIAL_COMMAND);
uint64_t curTime = time(NULL);
uint64_t commandByte = (uint64_t)(command) << 56;
packet.cmd.everIncreasingNonceAndCommandType = commandByte | curTime;
packet.cmd.epoch = epoch;
packet.cmd.threshold = threshold;
getSubseedFromSeed((uint8_t*)seed, subseed);
getPrivateKeyFromSubSeed(subseed, privateKey);
getPublicKeyFromPrivateKey(privateKey, sourcePublicKey);
KangarooTwelve((unsigned char*)&packet.cmd,
sizeof(packet.cmd),
digest,
32);
sign(subseed, sourcePublicKey, digest, signature);
memcpy(packet.signature, signature, 64);
auto qc = make_qc(nodeIp, nodePort);
qc->sendData((uint8_t *) &packet, packet.header.size());
auto response = qc->receivePacketAs<SpecialCommandSetSolutionThresholdResquestAndResponse>();
if (response.everIncreasingNonceAndCommandType == packet.cmd.everIncreasingNonceAndCommandType){
if (response.epoch == packet.cmd.epoch && response.threshold == packet.cmd.threshold){
LOG("Successfully set solution threshold\n");
} else {
LOG("The packet is successfully sent but failed set solution threshold\n");
}
} else{
LOG("Failed set solution threshold\n");
}
}
void logTime(const UtcTime& time)
{
LOG("%u-%02u-%02u %02u:%02u:%02u.%09u", time.year, time.month, time.day, time.hour, time.minute, time.second, time.nanosecond);
}
UtcTime convertTime(std::chrono::system_clock::time_point time)
{
using namespace std;
using namespace std::chrono;
time_t tt = system_clock::to_time_t(time);
tm utc_tm = *gmtime(&tt);
UtcTime utcTime;
utcTime.year = utc_tm.tm_year + 1900;
utcTime.month = utc_tm.tm_mon + 1;
utcTime.day = utc_tm.tm_mday;
utcTime.hour = utc_tm.tm_hour;
utcTime.minute = utc_tm.tm_min;
utcTime.second = utc_tm.tm_sec;
// get nanoseconds
typedef duration<int, ratio_multiply<hours::period, ratio<24> >::type> days;
system_clock::duration tp = time.time_since_epoch();
days d = duration_cast<days>(tp);
tp -= d;
hours h = duration_cast<hours>(tp);
tp -= h;
minutes m = duration_cast<minutes>(tp);
tp -= m;
seconds s = duration_cast<seconds>(tp);
tp -= s;
utcTime.nanosecond = duration_cast<nanoseconds>(tp).count();
return utcTime;
}
void syncTime(const char* nodeIp, const int nodePort, const char* seed)
{
uint8_t privateKey[32] = { 0 };
uint8_t sourcePublicKey[32] = { 0 };
uint8_t subseed[32] = { 0 };
uint8_t digest[32] = { 0 };
uint8_t signature[64] = { 0 };
getSubseedFromSeed((uint8_t*)seed, subseed);
getPrivateKeyFromSubSeed(subseed, privateKey);
getPublicKeyFromPrivateKey(privateKey, sourcePublicKey);
LOG("---------------------------------------------------------------------------------\n");
LOG("This sets the node clock to roughly be in sync with the local clock.\n");
LOG("CAUTION: MAKE SURE THAT YOUR LOCAL CLOCK IS SET CORRECTLY, FOR EXAMPLE USING NTP.\n");
LOG("---------------------------------------------------------------------------------\n\n");
// get time from node and measure round trip time
unsigned long long roundTripTimeNanosec = 0;
{
LOG("Querying node time ...\n\n");
struct {
RequestResponseHeader header;
SpecialCommand cmd;
uint8_t signature[64];
} queryTimeMsg;
queryTimeMsg.header.setSize(sizeof(queryTimeMsg));
queryTimeMsg.header.randomizeDejavu();
queryTimeMsg.header.setType(PROCESS_SPECIAL_COMMAND);
uint64_t curTime = time(NULL);
uint64_t commandByte = (uint64_t)(SPECIAL_COMMAND_QUERY_TIME) << 56;
queryTimeMsg.cmd.everIncreasingNonceAndCommandType = commandByte | curTime;
KangarooTwelve((unsigned char*)&queryTimeMsg.cmd,
sizeof(queryTimeMsg.cmd),
digest,
32);
sign(subseed, sourcePublicKey, digest, signature);
memcpy(queryTimeMsg.signature, signature, 64);
auto qc = make_qc(nodeIp, nodePort);
auto startTime = std::chrono::steady_clock::now();