update eip-3.md

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zaq1tomo 2018-03-08 17:25:32 +09:00
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@ -33,3 +33,7 @@ It is possible to defend against this in two ways:
[1] a.k.a "shallow stack attack" and "stack attack". However, to be precise, the word ''stack'' has a different meaning within the EVM, and is not to be confused with the ''call stack''.
[2] https://github.com/pipermerriam/ethereum-stack-depth-lib
# Specification
The opcode `CALLDEPTH` should return the remaining call stack depth. A value of `0` means that the call stack is exhausted, and no further calls can be made.