From 04582dd2cbd2d0b843a3f2f1021204a95a523a71 Mon Sep 17 00:00:00 2001 From: Alex Beregszaszi Date: Wed, 26 Jul 2017 12:20:38 +0100 Subject: Mention that callcode is deprecated --- docs/units-and-global-variables.rst | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'docs/units-and-global-variables.rst') diff --git a/docs/units-and-global-variables.rst b/docs/units-and-global-variables.rst index 7d21f065..6ccc8407 100644 --- a/docs/units-and-global-variables.rst +++ b/docs/units-and-global-variables.rst @@ -70,6 +70,7 @@ Block and Transaction Properties ``msg.value`` can change for every **external** function call. This includes calls to library functions. +.. note:: If you want to implement access restrictions in library functions using ``msg.sender``, you have to manually supply the value of ``msg.sender`` as an argument. @@ -157,6 +158,9 @@ For more information, see the section on :ref:`address`. to make safe Ether transfers, always check the return value of ``send``, use ``transfer`` or even better: Use a pattern where the recipient withdraws the money. +.. note:: + The use of ``callcode`` is discouraged and will be removed in the future. + .. index:: this, selfdestruct Contract Related -- cgit v1.2.3