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clarify address in function selector

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I found that the canonical form for `address` in computing the function selector calldata tag is `uint160`. Update the abi specs to explicitly mention this.
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Li Xuanji 2018-01-22 17:34:58 -05:00 committed by GitHub
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docs/abi-spec.rst
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@ -40,9 +40,9 @@ The following elementary types exist:
- ``int<M>``: two's complement signed integer type of ``M`` bits, ``0 < M <= 256``, ``M % 8 == 0``.
- ``address``: equivalent to ``uint160``, except for the assumed interpretation and language typing.
- ``address``: equivalent to ``uint160``, except for the assumed interpretation and language typing. (this is shorthand not to be used for computing the function selector)
- ``uint``, ``int``: synonyms for ``uint256``, ``int256`` respectively (this shorthand not to be used for computing the function selector).
- ``uint``, ``int``: synonyms for ``uint256``, ``int256`` respectively (this is shorthand not to be used for computing the function selector).
- ``bool``: equivalent to ``uint8`` restricted to the values 0 and 1