Function isBase58

keyhunt.cpp:6053–6058

}

bool isBase58(char c) {
    // Define the base58 set
    const char base58Set[] = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
    // Check if the character is in the base58 set
    return strchr(base58Set, c) != NULL;
}

bool isValidBase58String(char *str)	{
	int len = strlen(str);