Updates docs to new constructor syntax.

This commit is contained in:
Erik Kundt 2018-07-02 16:25:54 +02:00
parent da60fdab37
commit e16e37f507
7 changed files with 23 additions and 39 deletions

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@ -437,10 +437,10 @@ For example,
::
pragma solidity ^0.4.0;
pragma solidity ^0.4.24;
contract Test {
function Test() public { b = 0x12345678901234567890123456789012; }
constructor() public { b = 0x12345678901234567890123456789012; }
event Event(uint indexed a, bytes32 b);
event Event2(uint indexed a, bytes32 b);
function foo(uint a) public { emit Event(a, b); }

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@ -28,7 +28,7 @@ become the new richest.
::
pragma solidity ^0.4.11;
pragma solidity ^0.4.24;
contract WithdrawalContract {
address public richest;
@ -36,7 +36,7 @@ become the new richest.
mapping (address => uint) pendingWithdrawals;
function WithdrawalContract() public payable {
constructor() public payable {
richest = msg.sender;
mostSent = msg.value;
}
@ -65,13 +65,13 @@ This is as opposed to the more intuitive sending pattern:
::
pragma solidity ^0.4.11;
pragma solidity ^0.4.24;
contract SendContract {
address public richest;
uint public mostSent;
function SendContract() public payable {
constructor() public payable {
richest = msg.sender;
mostSent = msg.value;
}

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@ -301,10 +301,10 @@ inheritable properties of contracts and may be overridden by derived contracts.
::
pragma solidity ^0.4.22;
pragma solidity ^0.4.24;
contract owned {
function owned() public { owner = msg.sender; }
constructor() public { owner = msg.sender; }
address owner;
// This contract only defines a modifier but does not use
@ -346,7 +346,7 @@ inheritable properties of contracts and may be overridden by derived contracts.
mapping (address => bool) registeredAddresses;
uint price;
function Register(uint initialPrice) public { price = initialPrice; }
constructor(uint initialPrice) public { price = initialPrice; }
// It is important to also provide the
// `payable` keyword here, otherwise the function will
@ -1006,24 +1006,8 @@ default constructor: ``contructor() public {}``.
A constructor set as ``internal`` causes the contract to be marked as :ref:`abstract <abstract-contract>`.
.. note ::
Prior to version 0.4.22, constructors were defined as functions with the same name as the contract. This syntax is now deprecated.
::
pragma solidity ^0.4.11;
contract A {
uint public a;
function A(uint _a) internal {
a = _a;
}
}
contract B is A(1) {
function B() public {}
}
.. warning ::
Prior to version 0.4.22, constructors were defined as functions with the same name as the contract. This syntax was deprecated is not allowed anymore in version 0.5.0.
.. index:: ! base;constructor

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@ -225,11 +225,11 @@ creation-dependencies are not possible.
::
pragma solidity ^0.4.0;
pragma solidity ^0.4.24;
contract D {
uint x;
function D(uint a) public payable {
constructor(uint a) public payable {
x = a;
}
}

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@ -426,10 +426,10 @@ In the case of a ``contract A`` calling a new instance of ``contract B``, parent
You will need to make sure that you have both contracts aware of each other's presence and that ``contract B`` has a ``payable`` constructor.
In this example::
pragma solidity ^0.4.0;
pragma solidity ^0.4.24;
contract B {
function B() public payable {}
constructor() public payable {}
}
contract A {

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@ -80,7 +80,7 @@ registering with username and password — all you need is an Ethereum keypair.
::
pragma solidity ^0.4.21;
pragma solidity ^0.4.24;
contract Coin {
// The keyword "public" makes those variables
@ -94,7 +94,7 @@ registering with username and password — all you need is an Ethereum keypair.
// This is the constructor whose code is
// run only when the contract is created.
function Coin() public {
constructor() public {
minter = msg.sender;
}

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@ -180,13 +180,13 @@ Never use tx.origin for authorization. Let's say you have a wallet contract like
::
pragma solidity ^0.4.11;
pragma solidity ^0.4.24;
// THIS CONTRACT CONTAINS A BUG - DO NOT USE
contract TxUserWallet {
address owner;
function TxUserWallet() public {
constructor() public {
owner = msg.sender;
}
@ -200,7 +200,7 @@ Now someone tricks you into sending ether to the address of this attack wallet:
::
pragma solidity ^0.4.11;
pragma solidity ^0.4.24;
interface TxUserWallet {
function transferTo(address dest, uint amount) public;
@ -209,7 +209,7 @@ Now someone tricks you into sending ether to the address of this attack wallet:
contract TxAttackWallet {
address owner;
function TxAttackWallet() public {
constructor() public {
owner = msg.sender;
}