diff options
Diffstat (limited to 'solidity.html.markdown')
| -rw-r--r-- | solidity.html.markdown | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/solidity.html.markdown b/solidity.html.markdown index acf750f7..cc719ec7 100644 --- a/solidity.html.markdown +++ b/solidity.html.markdown @@ -5,6 +5,7 @@ contributors: - ["Nemil Dalal", "https://www.nemil.com"] - ["Joseph Chow", ""] - ["Bhoomtawath Plinsut", "https://github.com/varshard"] + - ["Shooter", "https://github.com/liushooter"] --- Solidity lets you program on [Ethereum](https://www.ethereum.org/), a @@ -237,7 +238,7 @@ uint x[][5]; // arr with 5 dynamic array elements (opp order of most languages) // Dictionaries (any type to any other type) mapping (string => uint) public balances; balances["charles"] = 1; -console.log(balances["ada"]); // is 0, all non-set key values return zeroes +// balances["ada"] result is 0, all non-set key values return zeroes // 'public' allows following from another contract contractName.balances("charles"); // returns 1 // 'public' created a getter (but not setter) like the following: @@ -403,8 +404,12 @@ event LogSent(address indexed from, address indexed to, uint amount); // note ca // Call LogSent(from, to, amount); -// For an external party (a contract or external entity), to watch using -// the Web3 Javascript library: +/** + +For an external party (a contract or external entity), to watch using +the Web3 Javascript library: + +// The following is Javascript code, not Solidity code Coin.LogSent().watch({}, '', function(error, result) { if (!error) { console.log("Coin transfer: " + result.args.amount + @@ -415,6 +420,8 @@ Coin.LogSent().watch({}, '', function(error, result) { "Receiver: " + Coin.balances.call(result.args.to)); } } +**/ + // Common paradigm for one contract to depend on another (e.g., a // contract that depends on current exchange rate provided by another) @@ -476,7 +483,7 @@ for(uint x = 0; x < refundAddressList.length; x++) { // A. Calling external contract contract InfoFeed { - function info() returns (uint ret) { return 42; } + function info() payable returns (uint ret) { return 42; } } contract Consumer { @@ -831,6 +838,7 @@ someContractAddress.callcode('function_name'); ## Additional resources - [Solidity Docs](https://solidity.readthedocs.org/en/latest/) - [Smart Contract Best Practices](https://github.com/ConsenSys/smart-contract-best-practices) +- [Superblocks Lab - Browser based IDE for Solidity](https://lab.superblocks.com/) - [EthFiddle - The JsFiddle for Solidity](https://ethfiddle.com/) - [Browser-based Solidity Editor](https://remix.ethereum.org/) - [Gitter Solidity Chat room](https://gitter.im/ethereum/solidity) |