User Lauri Peltonen

27 votes

Accepted

Member function "transfer" not found or not visible after argument-dependent lookup in contract?

answered Nov 26, 2018 at 20:09

24 votes

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Can a contract with no payable function have ether?

answered Dec 12, 2018 at 12:01

22 votes

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What is the maximum value an int and uint can store

answered Sep 18, 2018 at 13:01

19 votes

Accepted

What exactly is a proxy contract and why is there a security vulnerability involved in it?

answered Dec 2, 2021 at 18:54

13 votes

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Understanding more about delete keyword in solidity

answered Sep 11, 2018 at 5:43

12 votes

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If view or pure function doesn't cost any gas, would they be abused/free ride?

answered Sep 19, 2018 at 4:19

12 votes

Accepted

What does block reached canonical chain mean?

answered Apr 29, 2018 at 9:54

11 votes

Accepted

How much data can I store in a smart contract, what is the cost and how it is implemented?

answered Mar 23, 2019 at 19:02

11 votes

What happens when you connect wallet to website?

answered Sep 28, 2021 at 18:31

10 votes

Unused function parameter. Remove or comment out the variable name to silence this warning

answered Jul 2, 2019 at 13:29

9 votes

Accepted

array vs mapping in solidity: when to use one over the other?

answered Apr 12, 2021 at 18:08

8 votes

Accepted

Does a failing `require` condition cause emitted events to be reverted too?

answered Apr 4, 2021 at 19:02

8 votes

Accepted

Adjust slippage tolerance in Uniswap programatically

answered Feb 8, 2021 at 14:09

8 votes

Defi-Staking is it 100% safe?

answered Mar 8, 2021 at 13:48

8 votes

What does block.coinbase return when contract is being executed in a full node?

answered Jan 10, 2021 at 8:12

8 votes

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Instantiating a smart contract in Uniswap using assembly and create2

answered Jan 19, 2021 at 7:58

8 votes

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Does ERC-20 balanceOf function cost no gas?

answered May 8, 2019 at 18:54

8 votes

Accepted

Using different accounts for executing a function in solidity unit testing

answered Sep 30, 2021 at 15:08

8 votes

Is possible to control "gasleft()" and exit of a loop before "out of gas" return?

answered Sep 4, 2022 at 16:35

8 votes

How layer 2 blockchain communicate with layer 1 blockchain? where does that communication part is hosted?

answered Jan 27 at 7:44

7 votes

Accepted

Can a payable function in a solidity contract only receive the native token or coin of the chain?

answered Aug 26, 2021 at 5:22

7 votes

Accepted

Order of transactions in the same block

answered Feb 16, 2020 at 18:44

7 votes

Accepted

Why is there a SHA256 pre-compiled contract when SHA256 is also an opcode?

answered Apr 7, 2020 at 18:21

7 votes

question regarding linearization of inheritance

answered Dec 5, 2018 at 4:34

7 votes

return function value instead of transaction receipt with web3

answered Sep 7, 2018 at 7:12

6 votes

Accepted

When a contract calls other contracts, is it an atomic operation?

answered Jul 13, 2020 at 13:28

6 votes

Does Ethereum 2.0 still have use cases for oracles, why?

answered Aug 22, 2020 at 5:54

6 votes

How to safely manage WEI units?

answered Nov 22, 2020 at 17:59

6 votes

Invalid Big number

answered Feb 3, 2021 at 14:00

6 votes

Why is there a difference between a public array and a function which returns it?

answered Oct 12, 2018 at 16:29

Stack Exchange Network

1,471 Answers

Member function "transfer" not found or not visible after argument-dependent lookup in contract?

Can a contract with no payable function have ether?

What is the maximum value an int and uint can store

What exactly is a proxy contract and why is there a security vulnerability involved in it?

Understanding more about delete keyword in solidity

If view or pure function doesn't cost any gas, would they be abused/free ride?

What does block reached canonical chain mean?

How much data can I store in a smart contract, what is the cost and how it is implemented?

What happens when you connect wallet to website?

Unused function parameter. Remove or comment out the variable name to silence this warning

array vs mapping in solidity: when to use one over the other?

Does a failing `require` condition cause emitted events to be reverted too?

Adjust slippage tolerance in Uniswap programatically

Defi-Staking is it 100% safe?

What does block.coinbase return when contract is being executed in a full node?

Instantiating a smart contract in Uniswap using assembly and create2

Does ERC-20 balanceOf function cost no gas?

Using different accounts for executing a function in solidity unit testing

Is possible to control "gasleft()" and exit of a loop before "out of gas" return?

How layer 2 blockchain communicate with layer 1 blockchain? where does that communication part is hosted?

Can a payable function in a solidity contract only receive the native token or coin of the chain?

Order of transactions in the same block

Why is there a SHA256 pre-compiled contract when SHA256 is also an opcode?

question regarding linearization of inheritance

return function value instead of transaction receipt with web3

When a contract calls other contracts, is it an atomic operation?

Does Ethereum 2.0 still have use cases for oracles, why?

How to safely manage WEI units?

Invalid Big number

Why is there a difference between a public array and a function which returns it?