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Diffstat (limited to 'docs/structure-of-a-contract.rst')
-rw-r--r-- | docs/structure-of-a-contract.rst | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/docs/structure-of-a-contract.rst b/docs/structure-of-a-contract.rst index 224eb368..0b554800 100644 --- a/docs/structure-of-a-contract.rst +++ b/docs/structure-of-a-contract.rst @@ -20,12 +20,12 @@ State variables are values which are permanently stored in contract storage. :: - pragma solidity ^0.4.0; + pragma solidity ^0.4.0; - contract SimpleStorage { - uint storedData; // State variable - // ... - } + contract SimpleStorage { + uint storedData; // State variable + // ... + } See the :ref:`types` section for valid state variable types and :ref:`visibility-and-getters` for possible choices for @@ -40,13 +40,13 @@ Functions are the executable units of code within a contract. :: - pragma solidity ^0.4.0; + pragma solidity ^0.4.0; - contract SimpleAuction { - function bid() payable { // Function - // ... - } - } + contract SimpleAuction { + function bid() payable { // Function + // ... + } + } :ref:`function-calls` can happen internally or externally and have different levels of visibility (:ref:`visibility-and-getters`) @@ -62,20 +62,20 @@ Function modifiers can be used to amend the semantics of functions in a declarat :: - pragma solidity ^0.4.11; + pragma solidity ^0.4.11; - contract Purchase { - address public seller; + contract Purchase { + address public seller; - modifier onlySeller() { // Modifier - require(msg.sender == seller); - _; - } + modifier onlySeller() { // Modifier + require(msg.sender == seller); + _; + } - function abort() onlySeller { // Modifier usage - // ... - } - } + function abort() onlySeller { // Modifier usage + // ... + } + } .. _structure-events: @@ -86,16 +86,16 @@ Events are convenience interfaces with the EVM logging facilities. :: - pragma solidity ^0.4.0; + pragma solidity ^0.4.0; - contract SimpleAuction { - event HighestBidIncreased(address bidder, uint amount); // Event + contract SimpleAuction { + event HighestBidIncreased(address bidder, uint amount); // Event - function bid() payable { - // ... - HighestBidIncreased(msg.sender, msg.value); // Triggering event - } - } + function bid() payable { + // ... + HighestBidIncreased(msg.sender, msg.value); // Triggering event + } + } See :ref:`events` in contracts section for information on how events are declared and can be used from within a dapp. @@ -110,16 +110,16 @@ Structs are custom defined types that can group several variables (see :: - pragma solidity ^0.4.0; + pragma solidity ^0.4.0; - contract Ballot { - struct Voter { // Struct - uint weight; - bool voted; - address delegate; - uint vote; - } - } + contract Ballot { + struct Voter { // Struct + uint weight; + bool voted; + address delegate; + uint vote; + } + } .. _structure-enum-types: @@ -131,8 +131,8 @@ Enums can be used to create custom types with a finite set of values (see :: - pragma solidity ^0.4.0; + pragma solidity ^0.4.0; - contract Purchase { - enum State { Created, Locked, Inactive } // Enum - } + contract Purchase { + enum State { Created, Locked, Inactive } // Enum + } |