diff options
| -rw-r--r-- | solidity.html.markdown | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/solidity.html.markdown b/solidity.html.markdown index 0fa1fddc..2adfc00b 100644 --- a/solidity.html.markdown +++ b/solidity.html.markdown @@ -81,12 +81,12 @@ contract AcmeBank { // Now let's go through the basics of Solidity -// 1. DATA TYPES AND ASSOCIATED METHOD + +// 1. DATA TYPES AND ASSOCIATED METHODS // uint is the data type typically used for currency (there are no doubles // or floats) and for dates uint x; - // with 'constant', the compiler replaces each occurence with the acutal value // int of 256 bits, cannot be changed after instantiation int constant a = 8; @@ -133,6 +133,7 @@ var a = true; uint x = 5; delete(x); // x is now 0 + // 2. DATA STRUCTURES // Arrays bytes32[5] nicknames; // static array @@ -181,6 +182,7 @@ state = State.Created; // 'memory' does not persist, 'storage' does // Default is 'storage' for local and state variables; 'memory' for function parameters + // 3. Variables of note // ** this ** this; // the address of the current contract @@ -209,6 +211,7 @@ block.gasLimit(); // ** storage - A persistent storage hash (does not need to be declared) ** storage['abc'] = 'def'; // maps 256 bit words to 256 bit words + // 4. FUNCTIONS AND MORE // A. Functions // Simple function @@ -290,6 +293,7 @@ function changeOwner(newOwner) owner = newOwner; } + // 5. BRANCHING AND LOOPS // All basic logic blocks work - including if/else, for, while, break, continue, return @@ -298,6 +302,7 @@ function changeOwner(newOwner) // Syntax is the same as javascript, but there is no type conversion from // non-boolean to boolean, so comparison operators must be used to get the boolean value + // 6. OBJECTS/CONTRACTS // A. Calling an external contract @@ -350,6 +355,7 @@ import "github.com/ethereum/dapp-bin/library/iterable_mapping.sol"; // Importing is under active development and will change // Importing cannot currently be done at the command line + // 7. CONTRACT DESIGN PATTERNS // A. Obfuscation @@ -383,6 +389,8 @@ function remove() { // compilation may better handle this, but for now there are benefits to // planning your data structures) + + // *** EXAMPLE: Let's do a more complex example *** // ** START EXAMPLE ** @@ -400,7 +408,7 @@ function remove() { // ] // *** END EXAMPLE *** -// Some final points + // 7. NATIVE FUNCTIONS // Currency units @@ -427,6 +435,7 @@ sha3("ab", "cd"); ripemd160("abc"); sha256("def"); + // 8. COMMON MISTAKES/MISCONCEPTIONS // A few common mistakes and misconceptions: @@ -441,6 +450,7 @@ sha256("def"); // TODO + // 9. STYLE NOTES // Use 4 spaces for indentation // (Python's PEP8 is used as the baseline style guide, including its general philosophy) |