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Re: Bitcoin puzzle transaction ~32 BTC prize to who solves it
by
Denevron
on 01/04/2025, 17:52:35 UTC
speed is same as original code but this is random

got you, but as you say is crashing with high puzzle

runs now on 68 but only 25% of speed.. useless

Code:
#include <iostream>
#include <array>
#include <iomanip>
#include <fstream>
#include <vector>
#include <thread>
#include <atomic>
#include <chrono>
#include <mutex>
#include <random>
#include <algorithm>
#include <queue>
#include <unordered_map>
#include <tuple>
#include <immintrin.h>
#include <omp.h>
#include <csignal>
#include <getopt.h>
#include <cstring>

#ifdef _WIN32
    #include <windows.h>
#endif

// Include the required headers
#include "sha256_avx2.h"
#include "ripemd160_avx2.h"
#include "SECP256K1.h"
#include "Point.h"
#include "Int.h"
#include "IntGroup.h"

using namespace std;

// Cross-platform terminal functions
void initConsole() {
#ifdef _WIN32
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    DWORD mode = 0;
    GetConsoleMode(hConsole, &mode);
    SetConsoleMode(hConsole, mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
#endif
}

void clearTerminal() {
#ifdef _WIN32
    HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
    COORD coord = {0, 0};
    DWORD count;
    CONSOLE_SCREEN_BUFFER_INFO csbi;
    GetConsoleScreenBufferInfo(hStdOut, &csbi);
    FillConsoleOutputCharacter(hStdOut, ' ', csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
    SetConsoleCursorPosition(hStdOut, coord);
#else
    std::cout << "\033[2J\033[H";
#endif
    std::cout.flush();
}

void moveCursorTo(int x, int y) {
#ifdef _WIN32
    HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
    COORD coord = {(SHORT)x, (SHORT)y};
    SetConsoleCursorPosition(hStdOut, coord);
#else
    std::cout << "\033[" << y << ";" << x << "H";
#endif
    std::cout.flush();
}

// Configuration
int PUZZLE_NUM = 20;
int WORKERS = omp_get_num_procs();
int FLIP_COUNT = -1;
static constexpr int POINTS_BATCH_SIZE = 256;
static constexpr int HASH_BATCH_SIZE = 8;

// Puzzle data
const unordered_map<int, tuple<int, string, string>> PUZZLE_DATA = {
    {20, {8, "b907c3a2a3b27789dfb509b730dd47703c272868", "357535"}},
    {21, {9, "29a78213caa9eea824acf08022ab9dfc83414f56", "863317"}},
    {22, {11, "7ff45303774ef7a52fffd8011981034b258cb86b", "1811764"}},
    {23, {12, "d0a79df189fe1ad5c306cc70497b358415da579e", "3007503"}},
    {24, {9, "0959e80121f36aea13b3bad361c15dac26189e2f", "5598802"}},
    {25, {12, "2f396b29b27324300d0c59b17c3abc1835bd3dbb", "14428676"}},
    {26, {14, "bfebb73562d4541b32a02ba664d140b5a574792f", "33185509"}},
    {27, {13, "0c7aaf6caa7e5424b63d317f0f8f1f9fa40d5560", "54538862"}},
    {28, {16, "1306b9e4ff56513a476841bac7ba48d69516b1da", "111949941"}},
    {29, {18, "5a416cc9148f4a377b672c8ae5d3287adaafadec", "227634408"}},
    {30, {16, "d39c4704664e1deb76c9331e637564c257d68a08", "400708894"}},
    {31, {13, "d805f6f251f7479ebd853b3d0f4b9b2656d92f1d", "1033162084"}},
    {32, {14, "9e42601eeaedc244e15f17375adb0e2cd08efdc9", "2102388551"}},
    {33, {15, "4e15e5189752d1eaf444dfd6bff399feb0443977", "3093472814"}},
    {34, {16, "f6d67d7983bf70450f295c9cb828daab265f1bfa", "7137437912"}},
    {35, {19, "f6d8ce225ffbdecec170f8298c3fc28ae686df25", "14133072157"}},
    {36, {14, "74b1e012be1521e5d8d75e745a26ced845ea3d37", "20112871792"}},
    {37, {23, "28c30fb11ed1da72e7c4f89c0164756e8a021d", "42387769980"}},
    {38, {21, "b190e2d40cfdeee2cee072954a2be89e7ba39364", "100251560595"}},
    {39, {23, "0b304f2a79a027270276533fe1ed4eff30910876", "146971536592"}},
    {40, {20, "95a156cd21b4a69de969eb6716864f4c8b82a82a", "323724968937"}},
    {41, {25, "d1562eb37357f9e6fc41cb2359f4d3eda4032329", "1003651412950"}},
    {42, {24, "8efb85f9c5b5db2d55973a04128dc7510075ae23", "1458252205147"}},
    {43, {19, "f92044c7924e5525c61207972c253c9fc9f086f7", "2895374552463"}},
    {44, {24, "80df54e1f612f2fc5bdc05c9d21a83aa8d20791e", "7409811047825"}},
    {45, {21, "f0225bfc68a6e17e87cd8b5e60ae3be18f120753", "15404761757071"}},
    {46, {24, "9a012260d01c5113df66c8a8438c9f7a1e3d5dac", "19996463086597"}},
    {47, {27, "f828005d41b0f4fed4c8dca3b06011072cfb07d4", "51408670348612"}},
    {48, {21, "8661cb56d9df0a61f01328b55af7e56a3fe7a2b2", "119666659114170"}},
    {49, {30, "0d2f533966c6578e1111978ca698f8add7fffdf3", "191206974700443"}},
    {50, {29, "de081b76f840e462fa2cdf360173dfaf4a976a47", "409118905032525"}},
    {51, {25, "ef6419cffd7fad7027994354eb8efae223c2dbe7", "611140496167764"}},
    {52, {27, "36af659edbe94453f6344e920d143f1778653ae7", "2058769515153876"}},
    {53, {26, "2f4870ef54fa4b048c1365d42594cc7d3d269551", "4216495639600700"}},
    {54, {30, "cb66763cf7fde659869ae7f06884d9a0f879a092", "6763683971478124"}},
    {55, {31, "db53d9bbd1f3a83b094eeca7dd970bd85b492fa2", "9974455244496707"}},
    {56, {31, "48214c5969ae9f43f75070cea1e2cb41d5bdcccd", "30045390491869460"}},
    {57, {33, "328660ef43f66abe2653fa178452a5dfc594c2a1", "44218742292676575"}},
    {58, {28, "8c2a6071f89c90c4dab5ab295d7729d1b54ea60f", "138245758910846492"}},
    {59, {30, "b14ed3146f5b2c9bde1703deae9ef33af8110210", "199976667976342049"}},
    {60, {31, "cdf8e5c7503a9d22642e3ecfc87817672787b9c5", "525070384258266191"}},
    {61, {25, "68133e19b2dfb9034edf9830a200cfdf38c90cbd", "1135041350219496382"}},
    {62, {35, "e26646db84b0602f32b34b5a62ca3cae1f91b779", "1425787542618654982"}},
    {63, {34, "ef58afb697b094423ce90721fbb19a359ef7c50e", "3908372542507822062"}},
    {64, {34, "3ee4133d991f52fdf6a25c9834e0745ac74248a4", "8993229949524469768"}},
    {65, {37, "52e763a7ddc1aa4fa811578c491c1bc7fd570137", "17799667357578236628"}},
    {66, {35, "20d45a6a762535700ce9e0b216e31994335db8a5", "30568377312064202855"}},
    {67, {31, "739437bb3dd6d1983e66629c5f08c70e52769371", "46346217550346335726"}},
    {68, {34, "e0b8a2baee1b77fc703455f39d51477451fc8cfc", "132656943602386256302"}}
};

// Global variables
vector<unsigned char> TARGET_HASH160_RAW(20);
string TARGET_HASH160;
Int BASE_KEY;
atomic<bool> stop_event(false);
mutex result_mutex;
queue<tuple<string, size_t, int>> results;
atomic<size_t> total_checked(0);
size_t total_combinations = 0;
vector<string> g_threadPrivateKeys;
mutex progress_mutex;

// Performance tracking
atomic<uint64_t> globalComparedCount(0);
double globalElapsedTime = 0.0;
double mkeysPerSec = 0.0;
chrono::time_point<chrono::high_resolution_clock> tStart;
atomic<chrono::time_point<chrono::high_resolution_clock>> lastReportTime(chrono::high_resolution_clock::now());

string formatElapsedTime(double seconds) {
    int hrs = static_cast<int>(seconds) / 3600;
    int mins = (static_cast<int>(seconds) % 3600) / 60;
    int secs = static_cast<int>(seconds) % 60;
    ostringstream oss;
    oss << setw(2) << setfill('0') << hrs << ":"
        << setw(2) << setfill('0') << mins << ":"
        << setw(2) << setfill('0') << secs;
    return oss.str();
}

void signalHandler(int signum) {
    stop_event.store(true);
    cout << "\nInterrupt received, shutting down...\n";
}

class CombinationGenerator {
    int n, k;
    vector<int> current;
   
public:
    CombinationGenerator(int n, int k) : n(n), k(k), current(k) {
        for (int i = 0; i < k; ++i) current[i] = i;
    }

    static size_t combinations_count(int n, int k) {
        if (k > n) return 0;
        if (k * 2 > n) k = n - k;
        if (k == 0) return 1;

        size_t result = n;
        for(int i = 2; i <= k; ++i) {
            result *= (n - i + 1);
            result /= i;
        }
        return result;
    }

    const vector<int>& get() const { return current; }
 
    void unrank(size_t rank) {
        if (rank >= combinations_count(n, k)) {
            current.clear();
            return;
        }
       
        current.resize(k);
        size_t remaining_rank = rank;
        int a = n;
        int b = k;
        size_t x = (combinations_count(n, k) - 1) - rank;
       
        for (int i = 0; i < k; i++) {
            a = largest_a_where_comb_a_b_le_x(a, b, x);
            current[i] = (n - 1) - a;
            x -= combinations_count(a, b);
            b--;
        }
    }
 
private:
    int largest_a_where_comb_a_b_le_x(int a, int b, size_t x) const {
        while (a >= b && combinations_count(a, b) > x) {
            a--;
        }
        return a;
    }
};

void computeHash160BatchBinSingle(int numKeys, uint8_t pubKeys[][33], uint8_t hashResults[][20]) {
    alignas(32) array<array<uint8_t, 64>, HASH_BATCH_SIZE> shaInputs;
    alignas(32) array<array<uint8_t, 32>, HASH_BATCH_SIZE> shaOutputs;
    alignas(32) array<array<uint8_t, 64>, HASH_BATCH_SIZE> ripemdInputs;
    alignas(32) array<array<uint8_t, 20>, HASH_BATCH_SIZE> ripemdOutputs;

    const size_t totalBatches = (numKeys + (HASH_BATCH_SIZE - 1)) / HASH_BATCH_SIZE;

    for (size_t batch = 0; batch < totalBatches; batch++) {
        const size_t batchCount = min<size_t>(HASH_BATCH_SIZE, numKeys - batch * HASH_BATCH_SIZE);

        // Prepare SHA-256 input blocks
        for (size_t i = 0; i < batchCount; i++) {
            memset(shaInputs[i].data(), 0, 64);
            memcpy(shaInputs[i].data(), pubKeys[batch * HASH_BATCH_SIZE + i], 33);
            shaInputs[i][33] = 0x80;
            shaInputs[i][60] = 0x01;
            shaInputs[i][61] = 0x00;
            shaInputs[i][62] = 0x00;
            shaInputs[i][63] = 0xA0;
        }

        // Process SHA-256
        sha256avx2_8B(shaInputs[0].data(), shaInputs[1].data(), shaInputs[2].data(), shaInputs[3].data(),
                     shaInputs[4].data(), shaInputs[5].data(), shaInputs[6].data(), shaInputs[7].data(),
                     shaOutputs[0].data(), shaOutputs[1].data(), shaOutputs[2].data(), shaOutputs[3].data(),
                     shaOutputs[4].data(), shaOutputs[5].data(), shaOutputs[6].data(), shaOutputs[7].data());

        // Prepare RIPEMD-160 input blocks
        for (size_t i = 0; i < batchCount; i++) {
            memset(ripemdInputs[i].data(), 0, 64);
            memcpy(ripemdInputs[i].data(), shaOutputs[i].data(), 32);
            ripemdInputs[i][32] = 0x80;
            ripemdInputs[i][60] = 0x00;
            ripemdInputs[i][61] = 0x01;
            ripemdInputs[i][62] = 0x00;
            ripemdInputs[i][63] = 0x00;
        }

        // Process RIPEMD-160
        ripemd160avx2::ripemd160avx2_32(
            ripemdInputs[0].data(), ripemdInputs[1].data(),
            ripemdInputs[2].data(), ripemdInputs[3].data(),
            ripemdInputs[4].data(), ripemdInputs[5].data(),
            ripemdInputs[6].data(), ripemdInputs[7].data(),
            ripemdOutputs[0].data(), ripemdOutputs[1].data(),
            ripemdOutputs[2].data(), ripemdOutputs[3].data(),
            ripemdOutputs[4].data(), ripemdOutputs[5].data(),
            ripemdOutputs[6].data(), ripemdOutputs[7].data()
        );

        // Copy results
        for (size_t i = 0; i < batchCount; i++) {
            memcpy(hashResults[batch * HASH_BATCH_SIZE + i], ripemdOutputs[i].data(), 20);
        }
    }
}

void worker_large(Secp256K1* secp, int bit_length, int flip_count, int threadId,
                 uint64_t start_range, uint64_t end_range, mt19937_64& rng) {
    uint8_t localPubKeys[HASH_BATCH_SIZE][33];
    uint8_t localHashResults[HASH_BATCH_SIZE][20];
    int pointIndices[HASH_BATCH_SIZE];
   
    // Precompute points
    vector<Point> plusPoints(POINTS_BATCH_SIZE);
    vector<Point> minusPoints(POINTS_BATCH_SIZE);
    for (int i = 0; i < POINTS_BATCH_SIZE; i++) {
        Int tmp; tmp.SetInt32(i);
        plusPoints[i] = secp->ComputePublicKey(&tmp);
        minusPoints[i] = plusPoints[i];
        minusPoints[i].y.ModNeg();
    }

    // Structure of Arrays
    vector<Int> deltaX(POINTS_BATCH_SIZE);
    IntGroup modGroup(POINTS_BATCH_SIZE);
    vector<Int> pointBatchX(2 * POINTS_BATCH_SIZE);
    vector<Int> pointBatchY(2 * POINTS_BATCH_SIZE);

    CombinationGenerator gen(bit_length, flip_count);
    size_t processed = 0;
    const size_t report_interval = 1000000;

    while (!stop_event.load()) {
        // Generate random rank within thread's range
        uint64_t rank = start_range + (rng() % (end_range - start_range));
       
        gen.unrank(rank);
        Int currentKey;
        currentKey.Set(&BASE_KEY);
       
        const vector<int>& flips = gen.get();
       
        // Apply flips
        for (int pos : flips) {
            Int mask; mask.SetInt32(1); mask.ShiftL(pos);
            Int temp; temp.Set(&currentKey); temp.ShiftR(pos);
            temp.IsEven() ? currentKey.Add(&mask) : currentKey.Sub(&mask);
        }

        // Compute public key
        Point startPoint = secp->ComputePublicKey(&currentKey);
        Int startPointX, startPointY, startPointXNeg;
        startPointX.Set(&startPoint.x);
        startPointY.Set(&startPoint.y);
        startPointXNeg.Set(&startPointX);
        startPointXNeg.ModNeg();

        // Process points in batches
        for (int i = 0; i < POINTS_BATCH_SIZE; i += 4) {
            deltaX[i].ModSub(&plusPoints[i].x, &startPointX);
            deltaX[i+1].ModSub(&plusPoints[i+1].x, &startPointX);
            deltaX[i+2].ModSub(&plusPoints[i+2].x, &startPointX);
            deltaX[i+3].ModSub(&plusPoints[i+3].x, &startPointX);
        }
        modGroup.Set(deltaX.data());
        modGroup.ModInv();

        // Process keys in optimized batches
        int localBatchCount = 0;
        for (int i = 0; i < 2 * POINTS_BATCH_SIZE && localBatchCount < HASH_BATCH_SIZE; i++) {
            Point tempPoint;
            if (i < POINTS_BATCH_SIZE) {
                tempPoint.x.Set(&plusPoints[i].x);
                tempPoint.y.Set(&plusPoints[i].y);
            } else {
                tempPoint.x.Set(&minusPoints[i-POINTS_BATCH_SIZE].x);
                tempPoint.y.Set(&minusPoints[i-POINTS_BATCH_SIZE].y);
            }
           
            localPubKeys[localBatchCount][0] = tempPoint.y.IsEven() ? 0x02 : 0x03;
            for (int j = 0; j < 32; j++) {
                localPubKeys[localBatchCount][1 + j] = tempPoint.x.GetByte(31 - j);
            }
            pointIndices[localBatchCount] = i;
            localBatchCount++;

            if (localBatchCount == HASH_BATCH_SIZE) {
                computeHash160BatchBinSingle(localBatchCount, localPubKeys, localHashResults);
               
                // Check for matches
                for (int j = 0; j < HASH_BATCH_SIZE; j++) {
                    if (memcmp(localHashResults[j], TARGET_HASH160_RAW.data(), 20) == 0) {
                        Int foundKey;
                        foundKey.Set(&currentKey);
                        int idx = pointIndices[j];
                        if (idx < POINTS_BATCH_SIZE) {
                            Int offset; offset.SetInt32(idx);
                            foundKey.Add(&offset);
                        } else {
                            Int offset; offset.SetInt32(idx - POINTS_BATCH_SIZE);
                            foundKey.Sub(&offset);
                        }
                       
                        string hexKey = foundKey.GetBase16();
                        hexKey = string(64 - hexKey.length(), '0') + hexKey;
                       
                        lock_guard<mutex> lock(result_mutex);
                        results.push(make_tuple(hexKey, total_checked.load(), flip_count));
                        stop_event.store(true);
                        return;
                    }
                }
               
                // Progress reporting
                processed++;
                if (processed % report_interval == 0) {
                    total_checked += report_interval;
                   
                    auto now = chrono::high_resolution_clock::now();
                    if (chrono::duration<double>(now - lastReportTime.load()).count() >= 1.0) {
                        globalElapsedTime = chrono::duration<double>(now - tStart).count();
                        mkeysPerSec = total_checked / globalElapsedTime / 1e6;
                       
                        lock_guard<mutex> lock(progress_mutex);
                        moveCursorTo(0, 9);
                        cout << "Progress: " << fixed << setprecision(6)
                             << (100.0 * total_checked / total_combinations) << "%\n"
                             << "Processed: " << total_checked << "\n"
                             << "Speed: " << fixed << setprecision(2) << mkeysPerSec << " Mkeys/s\n"
                             << "Elapsed: " << formatElapsedTime(globalElapsedTime) << "\n";
                        cout.flush();
                       
                        lastReportTime.store(now);
                    }
                }
                localBatchCount = 0;
            }
        }
    }
}

int main(int argc, char* argv[]) {
    signal(SIGINT, signalHandler);
    initConsole();
   
    // Parse command line arguments
    int opt;
    while ((opt = getopt(argc, argv, "p:t:f:h")) != -1) {
        switch (opt) {
            case 'p': PUZZLE_NUM = atoi(optarg); break;
            case 't': WORKERS = atoi(optarg); break;
            case 'f': FLIP_COUNT = atoi(optarg); break;
            case 'h':
                cout << "Usage: " << argv[0] << " [-p puzzle] [-t threads] [-f flips]\n";
                return 0;
            default:
                cerr << "Invalid option\n";
                return 1;
        }
    }

    // Initialize
    tStart = chrono::high_resolution_clock::now();
    Secp256K1 secp; secp.Init();
   
    auto puzzle_it = PUZZLE_DATA.find(PUZZLE_NUM);
    if (puzzle_it == PUZZLE_DATA.end()) {
        cerr << "Error: Invalid puzzle number\n";
        return 1;
    }
   
    auto [DEFAULT_FLIP_COUNT, TARGET_HASH160_HEX, PRIVATE_KEY_DECIMAL] = puzzle_it->second;
    FLIP_COUNT = (FLIP_COUNT == -1) ? DEFAULT_FLIP_COUNT : FLIP_COUNT;
    TARGET_HASH160 = TARGET_HASH160_HEX;
   
    // Convert target hash to bytes
    for (size_t i = 0; i < 20; i++) {
        TARGET_HASH160_RAW[i] = stoul(TARGET_HASH160.substr(i * 2, 2), nullptr, 16);
    }
   
    // Set base key
    BASE_KEY.SetBase10(const_cast<char*>(PRIVATE_KEY_DECIMAL.c_str()));
    total_combinations = CombinationGenerator::combinations_count(PUZZLE_NUM, FLIP_COUNT);

    clearTerminal();
    cout << "=======================================\n"
         << "== Mutagen Puzzle Solver (Optimized) ==\n"
         << "=======================================\n"
         << "Puzzle: " << PUZZLE_NUM << " (" << PUZZLE_NUM << "-bit)\n"
         << "Target: " << TARGET_HASH160.substr(0, 10) << "..." << TARGET_HASH160.substr(30) << "\n"
         << "Flips: " << FLIP_COUNT << "\n"
         << "Threads: " << WORKERS << "\n";

    if (PUZZLE_NUM >= 50) {
        cout << "Using memory-optimized mode for large puzzle\n";
    }

    // Launch workers
    vector<thread> threads;
    vector<mt19937_64> rngs(WORKERS);
    random_device rd;
   
    uint64_t range_per_thread = UINT64_MAX / WORKERS;
    for (int i = 0; i < WORKERS; i++) {
        rngs[i].seed(rd() + i);
        threads.emplace_back(worker_large, &secp, PUZZLE_NUM, FLIP_COUNT, i,
                           i * range_per_thread,
                           (i == WORKERS-1) ? UINT64_MAX : (i+1)*range_per_thread,
                           ref(rngs[i]));
    }
   
    for (auto& t : threads) {
        if (t.joinable()) t.join();
    }

    // Report results
    if (!results.empty()) {
        auto [hex_key, checked, flips] = results.front();
        globalElapsedTime = chrono::duration<double>(chrono::high_resolution_clock::now() - tStart).count();
        mkeysPerSec = total_checked / globalElapsedTime / 1e6;

        string compactHex = hex_key;
        size_t firstNonZero = compactHex.find_first_not_of('0');
        compactHex = "0x" + compactHex.substr(firstNonZero);

        cout << "=======================================\n"
             << "=========== SOLUTION FOUND ============\n"
             << "=======================================\n"
             << "Private key: " << compactHex << "\n"
             << "Checked " << checked << " combinations\n"
             << "Bit flips: " << flips << "\n"
             << "Time: " << fixed << setprecision(2) << globalElapsedTime << "s\n"
             << "Speed: " << fixed << setprecision(2) << mkeysPerSec << " Mkeys/s\n";
       
        ofstream out("solution.txt");
        if (out) out << hex_key;
    } else {
        globalElapsedTime = chrono::duration<double>(chrono::high_resolution_clock::now() - tStart).count();
        cout << "\nNo solution found after " << total_checked << " combinations\n"
             << "Elapsed: " << formatElapsedTime(globalElapsedTime) << "\n";
    }
   
    return 0;
}

If you took it from one of the repositories, it would be easier to modify)