diff options
| author | ethers <ethereum@outlook.com> | 2015-12-28 16:36:48 -0800 |
|---|---|---|
| committer | ethers <ethereum@outlook.com> | 2015-12-28 16:36:48 -0800 |
| commit | 43138aef5cc6a89ec0c02db03cec61ab902acb97 (patch) | |
| tree | 2aab37ceb6cc39b3701d7cd9f124dd143f5e83f6 /solidity.html.markdown | |
| parent | 8f9f9e53e825b346c49139769b8bbfd08d0bed4e (diff) | |
fixes in withdraw() and msg
Diffstat (limited to 'solidity.html.markdown')
| -rw-r--r-- | solidity.html.markdown | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/solidity.html.markdown b/solidity.html.markdown index 7de92fce..146d6e83 100644 --- a/solidity.html.markdown +++ b/solidity.html.markdown @@ -7,7 +7,7 @@ contributors: Solidity lets you program on [Ethereum](https://www.ethereum.org/), a blockchain-based virtual machine that allows the creation and -computation of smart contracts, without needing centralized or trusted parties. +execution of smart contracts, without needing centralized or trusted parties. Solidity is a statically typed, contract programming language that has similarities to Javascript and C. Like objects in OOP, each contract contains @@ -52,7 +52,7 @@ contract SimpleBank { // CamelCase // Constructor, can receive one or many variables here; only one allowed function AcmeBank() { - // msg provides contract messager's address and amount + // msg provides details about the message that's sent to the contract // msg.sender is contract caller (address of contract creator) owner = msg.sender; } @@ -77,12 +77,12 @@ contract SimpleBank { // CamelCase if(balances[msg.sender] >= withdrawAmount) { balances[msg.sender] -= withdrawAmount; - if (!msg.sender.send(withdrawAmount)) { - balances[msg.sender] += withdrawAmount; // to be safe + if (!msg.sender.send(withdrawAmount)) { + balances[msg.sender] += withdrawAmount; // to be safe + } } - - return balances[msg.sender]; - } + + return balances[msg.sender]; } /// @notice Get balance @@ -277,7 +277,7 @@ this.someFunction(); // calls func externally via call, not via internal jump // ** msg - Current message received by the contract ** ** msg.sender; // address of sender -msg.value; // amount of gas provided to this contract in wei +msg.value; // amount of ether provided to this contract in wei msg.data; // bytes, complete call data msg.gas; // remaining gas |