diff options
Diffstat (limited to 'solidity.html.markdown')
-rw-r--r-- | solidity.html.markdown | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/solidity.html.markdown b/solidity.html.markdown index c52d2002..d40536b4 100644 --- a/solidity.html.markdown +++ b/solidity.html.markdown @@ -278,7 +278,7 @@ f(22); // call // Delete can be called on most types // (does NOT destroy value, but sets value to 0, the initial value) -uint x = 5; +delete x; // Destructuring/Tuples @@ -388,7 +388,7 @@ block.gasLimit(); storage['abc'] = 'def'; // maps 256 bit words to 256 bit words -// 4. FUNCTIONS AND MORE +// 5. FUNCTIONS AND MORE // A. Functions // Simple function function increment(uint x) returns (uint) { @@ -435,7 +435,7 @@ function increment(uint x) view returns (uint x) { // Functions hoisted - and can assign a function to a variable function a() { var z = b; - b(); + z(); } function b() { @@ -494,9 +494,9 @@ Coin.LogSent().watch({}, '', function(error, result) { // '_' (underscore) often included as last line in body, and indicates // function being called should be placed there modifier onlyAfter(uint _time) { require (now >= _time); _; } -modifier onlyOwner { require(msg.sender == owner) _; } +modifier onlyOwner { require(msg.sender == owner); _; } // commonly used with state machines -modifier onlyIfStateA (State currState) { require(currState == State.A) _; } +modifier onlyIfStateA (State currState) { require(currState == State.A); _; } // Append right after function declaration function changeOwner(newOwner) @@ -646,7 +646,7 @@ reveal(100, "mySecret"); // All data to start of time is stored in blockchain, so // anyone can observe all previous data and changes -// E. Oracles and External Data +// D. Oracles and External Data // Oracles are ways to interact with your smart contracts outside the blockchain. // They are used to get data from the real world, send post requests, to the real world // or vise versa. @@ -671,12 +671,12 @@ reveal(100, "mySecret"); // Setting up oracle networks yourself -// D. Cron Job +// E. Cron Job // Contracts must be manually called to handle time-based scheduling; can create external // code to regularly ping, or provide incentives (ether) for others to // -// E. Observer Pattern +// F. Observer Pattern // An Observer Pattern lets you register as a subscriber and // register a function which is called by the oracle (note, the oracle pays // for this action to be run) @@ -714,7 +714,7 @@ contract SomeOracle { // Now, your client contract can addSubscriber by importing SomeOracleCallback // and registering with Some Oracle -// F. State machines +// G. State machines // see example below for State enum and inState modifier ``` |