pymonero.cpp

#include <iostream>
#include "cryptonote_basic/cryptonote_format_utils.h"

using namespace cryptonote;
using namespace std;

std::string string_to_hex(const std::string& input)
{
    static const char hex_digits[] = "0123456789abcdef";
    std::string output;
    output.reserve(input.length() * 2);
    for (unsigned char c : input)
    {
        output.push_back(hex_digits[c >> 4]);
        output.push_back(hex_digits[c & 15]);
    }
    return output;
}


// convert hex string to string that has values based on that hex
// thankfully should automatically ignore null-terminator.
std::string h2b(const std::string &s) {
    bool upper = true;
    std::string result;
    unsigned char val = 0;
    for (char c : s) {
        if (upper) {
            val = 0;
            if (c <= 'f' && c >= 'a') {
                val = ((c - 'a') + 10) << 4;
            } else {
                val = (c - '0') << 4;
            }
        } else {
            if (c <= 'f' && c >= 'a') {
                val |= (c - 'a') + 10;
            } else {
                val |= c - '0';
            }
            result += (char) val;
        }
        upper = !upper;
    }
    return result;
}


int main() {
    blobdata b_blob = h2b(
         "0c0ce185b0f2053941deed208d6449bb432fbce9778efb4cd9229cc79e4c04ef7b2a2f7c99df4a0000000002afdd1f01fff3dc1f018f918980888803025b08e22c6cb11c61b628de4217c3959627414d2d10579b780ca1e1fec0164bba210174b9819eb50c698d574bc408a0f7fedd608296647291551e98be4f7134bc26660000");
    blobdata hashing_blob;
    cout << "Input:\t" << string_to_hex(b_blob) << endl;

    block b = AUTO_VAL_INIT(b);
    if (!parse_and_validate_block_from_blob(b_blob, b)) {
        cout << "Not valid blob" << endl;
        return -1;
    }
    hashing_blob = get_block_hashing_blob(b);
    cout << "Output:\t" << string_to_hex(hashing_blob) << endl;
    return 0;
}