Signature.c

#include "signature.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// Initialize the Signature System
void initializeSignatureSystem() {
    printf("Signature system initialized.\n");
}

// Create a Signature Transaction
char* createSignatureTransaction(const char* message) {
    if (strlen(message) > 80) {
        printf("Error: Signature messages must be 80 bytes or less.\n");
        return NULL;
    }

    // Example: Create a raw transaction with a dummy UTXO
    char* rawTx = (char*)malloc(512); // Allocate space for raw transaction
    sprintf(rawTx, "0100000001abcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdef0000000000ffffffff01%02x%s00000000",
            (int)strlen(message),
            message);

    printf("Signature Transaction Created: %s\n", rawTx);
    return rawTx;
}

// Broadcast the Signature Transaction
int broadcastSignatureTransaction(const char* rawTxHex) {
    if (!rawTxHex) {
        printf("Error: Cannot broadcast a null transaction.\n");
        return -1;
    }

    // Simulate broadcast
    printf("Broadcasting Signature Transaction: %s\n", rawTxHex);

    // Simulate successful broadcast
    printf("Signature Transaction Broadcast Successfully!\n");
    return 0;
}

// Create and Broadcast Signature
void broadcastSignature(const char* declaration, const char* hash) {
    // Combine declaration and hash (ensure it fits OP_RETURN limit)
    char message[81];
    snprintf(message, sizeof(message), "%.40s %.40s", declaration, hash);

    // Create transaction
    char* rawTx = createSignatureTransaction(message);
    if (rawTx) {
        // Broadcast transaction
        broadcastSignatureTransaction(rawTx);
        free(rawTx);
    }
}

// Cleanup the Signature System
void cleanupSignatureSystem() {
    printf("Signature system cleaned up.\n");
}