public static bool Transfer(UInt160 from, UInt160 to, BigInteger amount, object data)
{
Assert(from.IsValid && to.IsValid, "Invalid From or To Address");
Assert(amount > 0, "The parameter amount MUST be greater than 0.");
Assert(Runtime.CheckWitness(from), "No authorization.");
var me = Runtime.ExecutingScriptHash;
if (to == me)
{
Assert(CheckIsRouter(Runtime.CallingScriptHash), "Not Allowed To Transfer");
}
Assert(AssetStorage.Get(from) >= amount, "Insufficient balance.");
if (from == to)
{
return(true);
}
AssetStorage.Reduce(from, amount);
AssetStorage.Increase(to, amount);
onTransfer(from, to, amount);
// Validate payable
if (ContractManagement.GetContract(to) != null)
{
Contract.Call(to, "onNEP17Payment", CallFlags.All, new object[] { from, amount, data });
}
return(true);
}