private void AddFile(Address from, Address target, IArchive archive)
{
Runtime.Expect(Runtime.IsWitness(from), "invalid witness");
Runtime.Expect(HasPermission(from, target), $"permissions missing for {from} to add file to {target}");
Runtime.Expect(target.IsUser, "destination address must be user address");
Runtime.Expect(archive != null, "archive does not exist");
BigInteger requiredSize = archive.Size;
var targetUsedSize = GetUsedSpace(target);
var targetStakedAmount = Runtime.GetStake(target);
var targetAvailableSize = CalculateStorageSizeForStake(targetStakedAmount);
targetAvailableSize -= targetUsedSize;
Runtime.Expect(targetAvailableSize >= requiredSize, "target account does not have available space");
if (!archive.IsOwner(target))
{
Runtime.AddOwnerToArchive(archive.Hash, target);
}
var list = _storageMap.Get <Address, StorageList>(target);
list.Add <Hash>(archive.Hash);
}
