Method deriveClassicalPublicKey

src/quip_wallet.cpp:654–684

Derive classical public key from private key

  // Derive classical public key from private key
  std::string deriveClassicalPublicKey(const PrivateKey &private_key) {
    // Use the same approach as CLI - call ethers.js from ethereum-sdk
    std::string command = "cd " +
                          std::string(getenv("PWD") ? getenv("PWD") : ".") +
                          "/ethereum-sdk && node -e \"console.log(new "
                          "(require('ethers').Wallet)('" +
                          private_key + "').address)\"";

    FILE *pipe = popen(command.c_str(), "r");
    if (!pipe) {
      throw std::runtime_error("Failed to execute ethers.js command");
    }

    std::string result;
    char buffer[128];
    while (fgets(buffer, sizeof(buffer), pipe) != nullptr) {
      result += buffer;
    }

    int status = pclose(pipe);
    if (status != 0) {
      throw std::runtime_error("ethers.js command failed");
    }

    // Remove newline and return the address
    if (!result.empty() && result[result.length() - 1] == '\n') {
      result.erase(result.length() - 1);
    }

    return result;
  }

  std::string getRecipientAddress() const {
    return "0x742d35cc6634c0532925a3b8d4c9db96c4b4d8b6";