Transactions new_transaction(Transactions t){


    Transaction *new = malloc(sizeof(Transaction));
    Transaction *tmp;

    BYTE transaction_details[STR_LENGTH + MAX_VALUE_LENGTH] = "Source-Destination :";
    unsigned int random_exchange_value = (unsigned int)(rand()%(MAX_VALUE));
    BYTE buffer[STR_LENGTH + MAX_VALUE_LENGTH];
    snprintf(buffer, sizeof(buffer), "%s %d", transaction_details,  random_exchange_value);

    stpcpy(new->details, buffer);

    new->next = NULL;

    if(t->tail == NULL) t->tail = new;
    else tmp->next = new;

    tmp = new;
    ++(t->size);

    return t;
}