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Results tagged with solidity
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user 23698
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.
8
votes
2
answers
10k
views
What does "_" mean before a variable name?
I'm a beginner, just recently started reading the docs for Solidity.
I can't seem to find this anywhere on google. What does the underscore mean when placed with the indexed keyword? …
- 284
2
votes
1
answer
150
views
Fair, barely malleable CSPRNG that can still be deterministic?
That means Solidity has no built in RNG that is deterministic.
I don't want to have the contract sender msg.sender to have to generate a random number for the contract to SHA-3. …
- 284
0
votes
How to use truffle-assertions to check if a constructor will revert?
For this example contract, I used:
contract("Reverts", (accounts) => {
it("Check that param1=false, constructor reverts.", async () =>{
try{
await Reverts.new(false);
} …
- 284
0
votes
2
answers
190
views
How to use truffle-assertions to check if a constructor will revert?
Say I have a contract:
contract Reverts{
constructor(param1){
require(param1);
}
}
If param1 is false, the constructor should fail and revert state.
truffle-assertions allows me to ch …
- 284