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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 "defines.h"
#include "structs.h"
#include "connection.h"
#include "nodeUtils.h"
#include "logger.h"
#include "K12AndKeyUtil.h"
#include "keyUtils.h"
#include "walletUtils.h"
static CurrentTickInfo getTickInfoFromNode(QCPtr qc)
{
CurrentTickInfo result;
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());
try
{
result = qc->receivePacketWithHeaderAs<CurrentTickInfo>();
}
catch (std::exception& e)
{
memset(&result, 0, sizeof(CurrentTickInfo));
}
return result;
}
uint32_t getTickNumberFromNode(QCPtr qc)
{
auto curTickInfo = getTickInfoFromNode(qc);
int retryCounter = 0;
while (curTickInfo.tick == 0 && retryCounter++ < 3)
{
qc->resolveConnection();
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);
}
}
CurrentSystemInfo getSystemInfoFromNode(QCPtr qc)
{
CurrentSystemInfo result;
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());
try
{
result = qc->receivePacketWithHeaderAs<CurrentSystemInfo>();
}
catch (std::logic_error& e)
{
memset(&result, 0, sizeof(CurrentSystemInfo));
}
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(QCPtr 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);
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());
constexpr unsigned long long bufferSize = sizeof(RequestResponseHeader) + MAX_TRANSACTION_SIZE;
uint8_t buffer[bufferSize];
int recvByte = qc->receiveData(buffer, sizeof(RequestResponseHeader));
int recvTx = 0;
while (recvByte == sizeof(RequestResponseHeader))
{
auto header = (RequestResponseHeader*)buffer;
if (header->type() == BROADCAST_TRANSACTION)
{
recvByte = qc->receiveAllDataOrThrowException(buffer + sizeof(RequestResponseHeader), sizeof(Transaction));
auto tx = (Transaction*)(buffer + sizeof(RequestResponseHeader));
txs.push_back(*tx);
if (tx->inputSize > MAX_INPUT_SIZE)
{
LOG("Received tx with invalid inputSize!\n");
exit(1);
}
++recvTx;
recvByte = qc->receiveAllDataOrThrowException(buffer + sizeof(RequestResponseHeader) + sizeof(Transaction), tx->inputSize + SIGNATURE_SIZE);
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, SIGNATURE_SIZE);
sigs->push_back(sig);
}
}
recvByte = qc->receiveData(buffer, sizeof(RequestResponseHeader));
// check only after receive because response has an EndResponse header at the end
if (recvTx == nTx)
break;
}
}
static bool getTickData(const char* nodeIp, const int nodePort, const uint32_t tick, TickData& result)
{
auto qc = make_qc(nodeIp, nodePort);
return getTickData(qc, tick, result);
}
bool getTickData(QCPtr qc, const uint32_t tick, TickData& result)
{
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;
qc->sendData((uint8_t*)&packet, packet.header.size());
try
{
result = qc->receivePacketWithHeaderAs<TickData>();
}
catch (const std::logic_error& e)
{
LOG("%s\n", e.what());
memset(&result, 0, sizeof(TickData));
return false;
}
catch (const EndResponseReceived& e)
{
// EndResponse is sent if tick is empty or not in tick storage
memset(&result, 0, sizeof(TickData));
}
return true;
}
int getMoneyFlewStatus(QCPtr 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);
packet.rts.tick = requestedTick;
qc->sendData((uint8_t *) &packet, packet.header.size());
RespondTxStatus result;
try
{
result = qc->receivePacketWithHeaderAs<RespondTxStatus>();
// notice: the node not always return full size of RESPOND_TX_STATUS
// it only returns enough digests
// -> set remainder in array memory which may contain junk to 0
memset(result.txDigests[result.txCount], 0, (NUMBER_OF_TRANSACTIONS_PER_TICK - result.txCount) * 32);
}
catch (std::logic_error& e)
{
memset(&result, 0, sizeof(RespondTxStatus));
// it's expected to catch this error on some node that not turn on tx status
return -1;
}
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(QCPtr qc, const char* txHash, uint32_t requestedTick, bool printTxReceipt)
{
// conditions:
// - current Tick is higher than requested tick
// - has tick data
// - has txHash in tick transactions
uint32_t currentTick = getTickNumberFromNode(qc);
if (currentTick <= requestedTick)
{
LOG("Please wait a bit more. Requested tick %u, current tick %u\n", requestedTick, currentTick);
return false;
}
TickData td;
if (!getTickData(qc, requestedTick, td))
{
return false;
}
else if (td.epoch == 0)
{
LOG("Tick %u is empty, not in current epoch or in the future\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, 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);
if (printTxReceipt)
{
// check for moneyflew status
int moneyFlew = getMoneyFlewStatus(qc, 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;
}
bool checkTxOnTick(const char* nodeIp, const int nodePort, const char* txHash, uint32_t requestedTick, bool printTxReceipt)
{
auto qc = std::make_shared<QubicConnection>(nodeIp, nodePort);
return checkTxOnTick(qc, txHash, requestedTick, printTxReceipt);
}
// @return:
// - 0: ok
// - 1: hash doesn't exist
// - 2: failed connection
int _GetInputDataFromTxHash(QCPtr& qc, const char* txHash, uint8_t* outData, int& dataSize)
{
char txUpperHash[61] = {0};
for (int i = 0; txHash[i] != '\0'; ++i)
{
txUpperHash[i] = std::toupper(txHash[i]);
}
struct {
RequestResponseHeader header;
RequestedTransactionInfo txs;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_TRANSACTION_INFO);
getPublicKeyFromIdentity(txUpperHash, packet.txs.transactionDigest);
qc->sendData((uint8_t *) &packet, packet.header.size());
// Received the respond and print the receipt
bool receivedTx = false;
constexpr unsigned long long bufferSize = sizeof(RequestResponseHeader) + MAX_TRANSACTION_SIZE;
uint8_t buffer[bufferSize];
int recvByte = qc->receiveData(buffer, bufferSize);
if (recvByte > 0)
{
auto header = (RequestResponseHeader*)buffer;
if (header->type() == BROADCAST_TRANSACTION)
{
auto tx = (Transaction*)(buffer + sizeof(RequestResponseHeader));
uint8_t digest[32] = {0};
char respondTxHash[61] = {0};
KangarooTwelve(
reinterpret_cast<const uint8_t*>(tx),
sizeof(Transaction) + tx->inputSize + SIGNATURE_SIZE,
digest,
32);
getTxHashFromDigest(digest, respondTxHash);
// Check the digest of respond transaction
if (memcmp(txHash, respondTxHash, 60) == 0)
{
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);
}
receivedTx = true;
memcpy(outData, ed.vecU8.data(), tx->inputSize);
dataSize = tx->inputSize;
}
}
}
if (!receivedTx)
{
LOG("Failed to get tx info. Please check the tx hash and try again later.\n");
return 1;
}
return 0;
}
// @return:
// - 0: ok
// - 1: hash doesn't exist
// - 2: failed connection
int _GetTxInfo(QCPtr& qc, const char* txHash)
{
char txUpperHash[61] = {0};
for (int i = 0; txHash[i] != '\0'; ++i)
{
txUpperHash[i] = std::toupper(txHash[i]);
}
struct {
RequestResponseHeader header;
RequestedTransactionInfo txs;
} packet;
packet.header.setSize(sizeof(packet));
packet.header.randomizeDejavu();
packet.header.setType(REQUEST_TRANSACTION_INFO);
getPublicKeyFromIdentity(txUpperHash, packet.txs.transactionDigest);
qc->sendData((uint8_t *) &packet, packet.header.size());
// Received the respond and print the receipt
bool receivedTx = false;
constexpr unsigned long long bufferSize = sizeof(RequestResponseHeader) + MAX_TRANSACTION_SIZE;
uint8_t buffer[bufferSize];
int recvByte = qc->receiveData(buffer, bufferSize);
if (recvByte > 0)
{
auto header = (RequestResponseHeader*)(buffer);
if (header->type() == BROADCAST_TRANSACTION)
{
auto tx = (Transaction*)(buffer + sizeof(RequestResponseHeader));
uint8_t digest[32] = {0};
char respondTxHash[61] = {0};
KangarooTwelve(
reinterpret_cast<const uint8_t*>(tx),
sizeof(Transaction) + tx->inputSize + SIGNATURE_SIZE,
digest,
32);
getTxHashFromDigest(digest, respondTxHash);
// Check the digest of respond transaction
if (memcmp(txHash, respondTxHash, 60) == 0)
{
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);
}
receivedTx = true;
printReceipt(*tx, respondTxHash, ed.vecU8.data(), -1);
}
}
}
if (!receivedTx)
{
LOG("Failed to get tx info. Please check the tx hash and try again later.\n");
return 1;
}
return 0;
}
int getTxInfo(const char* nodeIp, const int nodePort, const char* txHash)
{
auto qc = std::make_shared<QubicConnection>(nodeIp, nodePort);
return _GetTxInfo(qc, txHash);
}
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: %u\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("prevTransactionBodyDigest: %u\n", A.prevTransactionBodyDigest);
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) &&
(A.prevTransactionBodyDigest == B.prevTransactionBodyDigest) &&
(memcmp(A.transactionDigest, B.transactionDigest, 32) == 0) &&
(memcmp(A.expectedNextTickTransactionDigest, B.expectedNextTickTransactionDigest, 32) == 0);
}
bool verifyVoteWithSalt(const Tick&A,
const BroadcastComputors& bc,
const unsigned int prevResourceDigest,
const uint8_t* prevSpectrumDigest,
const uint8_t* prevUniverseDigest,
const uint8_t* prevComputerDigest,
const unsigned int prevTransactionBodyDigest,
const uint8_t* nextTickTransactionDigest)
{
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, 4);
KangarooTwelve(saltedData, 36, saltedDigest, 4);
if (A.saltedResourceTestingDigest != *((unsigned int*)(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;
}
bool should_check_txBodyDigest = isArrayZero(A.expectedNextTickTransactionDigest, 32) == isArrayZero(nextTickTransactionDigest, 32);
if(should_check_txBodyDigest){
memset(saltedData+32, 0, 32);
memcpy(saltedData+32, &prevTransactionBodyDigest, 4);
KangarooTwelve(saltedData, 36, saltedDigest, 4);
if (A.saltedTransactionBodyDigest != *((unsigned int*)(saltedDigest)))
{
LOG("Mismatched saltedTransactionBodyDigest. Computor index: %d\n%u\n%u\n", cid, A.saltedTransactionBodyDigest, *((unsigned int*)(saltedDigest)));
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 unsigned int prevResourceDigest = 0,
const uint8_t* prevSpectrumDigest = nullptr,
const uint8_t* prevUniverseDigest = nullptr,
const uint8_t* prevComputerDigest = nullptr,
const unsigned int prevTransactionBodyDigest = 0,
const uint8_t* nextTickTransactionDigest = 0)
{
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, prevTransactionBodyDigest, nextTickTransactionDigest))
{
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,
vote_next.prevTransactionBodyDigest,
vote_next.transactionDigest);
}
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);
TickData td;
if (!getTickData(nodeIp, nodePort, requestedTick, td))
{
return;
}
else if (td.epoch == 0)
{
LOG("Tick %u not in current epoch or in the future\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, 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)