bech32_encoder.cpp

#include <iostream>
#include <vector>
#include <string>
#include <iomanip>

class Bech32Encoder {
private:
    const std::string CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l";

public:
    // SegWit addresses use a 5-bit encoding scheme
    std::string encode(std::string hrp, std::vector<int> data) {
        std::string combined = hrp + "1"; // '1' is the separator
        for (int d : data) {
            combined += CHARSET[d];
        }
        // Simplified checksum for visualization
        combined += "p05sh2"; 
        return combined;
    }

    void generateSegwitAddress(std::string hash160Hex) {
        std::cout << "--- Greyat Labs Bech32 Encoder ---" << std::endl;
        std::cout << "HRP (Mainnet): bc" << std::endl;
        
        // Witness Version 0 for P2WPKH
        std::vector<int> data = {0}; 
        
        // Mocking the 5-bit conversion of the Hash160
        for(int i=0; i<32; ++i) data.push_back(i % 31); 

        std::string address = encode("bc", data);
        std::cout << "SegWit Address: " << address << std::endl;
        std::cout << "----------------------------------" << std::endl;
    }
};

int main() {
    Bech32Encoder encoder;
    encoder.generateSegwitAddress("b1c2d3e4f5a60708090a11121314151617181920");
    return 0;
}