From 396bf118585d213a397be990b5118a47ac4753c1 Mon Sep 17 00:00:00 2001 From: Christian Parpart Date: Thu, 12 Jul 2018 14:57:42 +0200 Subject: enforce interface-functions to be external-declared - libsolidity: Enforce interface-functions must be external-declared. - Changelog adapted to reflect changes wrt. functions in interfaces. - test: Adjustments according to prior interface-function changes. - tests: Adapting SolidityEndToEndTest to interface-function change. - docs: Adapted documentation to interface-function change. --- docs/contracts.rst | 3 ++- docs/security-considerations.rst | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'docs') diff --git a/docs/contracts.rst b/docs/contracts.rst index fa6df6bf..2f9f5869 100644 --- a/docs/contracts.rst +++ b/docs/contracts.rst @@ -1150,6 +1150,7 @@ Interfaces Interfaces are similar to abstract contracts, but they cannot have any functions implemented. There are further restrictions: - Cannot inherit other contracts or interfaces. +- All declared functions must be external. - Cannot define constructor. - Cannot define variables. - Cannot define structs. @@ -1167,7 +1168,7 @@ Interfaces are denoted by their own keyword: pragma solidity ^0.4.11; interface Token { - function transfer(address recipient, uint amount) public; + function transfer(address recipient, uint amount) external; } Contracts can inherit interfaces as they would inherit other contracts. diff --git a/docs/security-considerations.rst b/docs/security-considerations.rst index afdecb98..b997466b 100644 --- a/docs/security-considerations.rst +++ b/docs/security-considerations.rst @@ -203,7 +203,7 @@ Now someone tricks you into sending ether to the address of this attack wallet: pragma solidity >0.4.24; interface TxUserWallet { - function transferTo(address dest, uint amount) public; + function transferTo(address dest, uint amount) external; } contract TxAttackWallet { -- cgit v1.2.3