EIP-3074: AUTH and AUTHCALL opcodes

[axic]

@SamWilsn

@chriseth

• Why is so much data put into the arguments instead of using stack slots? I would assume almost everything to be taken from the stack apart from the actual payload.

I had separated it out so that signed parts of the message go in memory and the unsigned parts go on the stack. It also has the nice property that introducing a new type down the road is pretty flexible. I think but am not 100% sure that copying the TLP out of calldata into memory should be reasonably efficient.

Since the data in memory is not “versioned” or distinguished in any manner I do not think this achieves the goal of extensibility. I did found the old stack version much more “user friendly” too.