public Approve(Address approved, ItemKey key) { Approved = approved; Key = key; }
public Transfer(Address recipient, ItemKey key, ulong value) { Key = key; Recipient = recipient; Value = value; }
public Approve(Address approved, ItemKey key) { Approved = approved; Key = key; }
public Transfer(Address recipient, ItemKey key, ulong value) { Key = key; Recipient = recipient; Value = value; }