Questions tagged [time]

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1answer
11 views

Can block.timestamp value change during execution?

I'm facing a doubt while developing an Smart Contract. I was getting current date from block.timestamp several times inside a function. Could this value change during an Smart Contract execution? Or ...
0
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2answers
151 views

how estimate average time for transactions to smart contract

I have created a decentralized application on the Ethereum Blockchain network. This application receives data from different addresses on the blockchain network and saves this data in the blockchain ...
2
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1answer
104 views

Time-dependent tests with Hardhat?

For Ganache, there are several solutions. What about Hardhat? They implemented their own local blockchain, Hardhat Network, which is different to Ganache.
1
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1answer
30 views

Why does Solidity not use the years keyword?

Solidity has keywords like seconds, minutes, hours, days and weeks that are used to specify units of time. Why do they not have years?
4
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1answer
119 views

Can the block number be set back in ganache?

I know about tools like ganache-time-traveler that let you advance the block number. But is it possible to go back to a lower value?
0
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1answer
36 views

What are some practical considerations for leap seconds?

From the solidity docs on time units: Take care if you perform calendar calculations using these units, because not every year equals 365 days and not even every day has 24 hours because of leap ...
0
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1answer
129 views

How do I add 7 years to a current time expressed as a block.timestamp?

Being new to solidity, I find the docs on the Internet very confusing. I simply want to add 7 years to a uint timeInSevenYearsFromNow = (block.timestamp).add(????); What is the value of ???? and ...
2
votes
1answer
227 views

Is there any library to estimate timestamp of future block?

I am in need of a library that estimates a date or some sort of timestamp when fed with a future block number (on mainnet or any major testnet). For instance, https://etherscan.io/block/countdown/...
2
votes
1answer
268 views

In truffle5, how to manipulate time with evm_increaseTime?

I am using truffle 5 and ganache-cli. I've imported increaseTime as import increaseTime from './helper/increaseTime'; and the increaseTime.js file is like this export default function increaseTime(...