Call native contracts like a normal contract

[erikzhang]

No description provided.

[shargon]

It's not better to use the height for change the logic?

[vncoelho]

I think so @shargon

[erikzhang]

Now we can call native contracts like a normal contract, without inserting the method name for the native contract during execution. And now native contracts can be upgraded like a normal contract, and it supports upgrades based on methods.

[shargon]

If we only have access to version during Invoke how it will be used in a future?

[erikzhang]

If we only have access to version during Invoke how it will be used in a future?

In the future, we can update the native contract like other normal contracts. And the version will be updated too.

[shargon]

But your goal it's to be able to call older version? otherwise we can use the ContractState.UpdateCounter

[erikzhang]

But your goal it's to be able to call older version?

neo/src/neo/SmartContract/Native/NativeContract.cs

Lines 110 to 111 in 63c38cb

	if (version != 0)
	throw new InvalidOperationException($"The native contract of version {version} is not active.");

Here you can distinguish whether the new version or the old version is called, and then execute the corresponding logic.