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Results tagged with solidity
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user 693
Solidity is a contract-oriented, high-level language whose syntax is similar to that of JavaScript and it is designed for writing smart contracts in Ethereum to run on the EVM. Solidity is statically typed, supports inheritance, libraries and complex user-defined types among other features.
74
votes
5
answers
29k
views
Why does uint8 cost more gas than uint256?
contract A {
uint8 a = 0;
}
costs 20150 + 2000 gas during creation.
as compared to
contract A {
uint a = 0; // or uint256
}
costing 5050 + 2000 gas during creation
It is odd that a variab …
- 1,100
4
votes
How do I manage unlocking accounts in a test in Truffle
You cannot unlock accounts from your code. It would be an issue if a code can unlock your accounts.
It seems like you are writing unit tests. Instead of running geth, you might want to try using test …
- 1,100
3
votes
Accepted
If I try to send to send ether to the standard token contract, the tx is rejected. Even if f...
If you are using Solidity >= 0.4, you will need to add payable to the function for it to accept Ether.
function() payable {
amount += msg.value;
} …
- 1,100