User zak100

14 votes

2 answers

10k views

What is a function selector?

asked Jun 29, 2019 at 4:47

5 votes

1 answer

5k views

Why Remix IDE asks for CallData and what value we have to give? [duplicate]

asked Feb 14, 2020 at 0:37

5 votes

1 answer

4k views

Remix IDE: What is the purpose of Calldata and Transact Tab

asked Feb 11, 2020 at 0:09

3 votes

1 answer

3k views

Truffle Console: Estimate Gas Cost of a function

asked Feb 16, 2021 at 5:30

1 vote

1 answer

3k views

Infinite Gas Requirement: Compiling a simple contract on Remix

asked Nov 5, 2018 at 23:51

1 vote

1 answer

3k views

Error Truffle Console: web3.fromWei is not a function

asked Jun 18, 2020 at 13:42

4 votes

1 answer

2k views

Reentrancy Attack in a Smart contract

asked Sep 24, 2018 at 23:57

0 votes

2 answers

2k views

ParserError: Expected identifier but got 'address'

asked Jun 16, 2019 at 3:48

3 votes

2 answers

2k views

Error: Explicit type conversion not allowed from "int_const 11111" to "bytes32"

asked Sep 15, 2019 at 3:25

2 votes

2 answers

2k views

Syntax Error: Type tuple(bool,bytes memory) is not implicitly convertible to expected type bool

asked Jun 22, 2019 at 19:01

1 vote

1 answer

2k views

SyntaxError: Source file requires different compiler version

asked Dec 15, 2018 at 0:37

0 votes

1 answer

2k views

Remix IDE: How to debug a contract having a function with a argument & for Loop

asked Jan 2, 2020 at 5:45

2 votes

2 answers

2k views

Why does a miner still pay gas for a reverted transaction?

asked Jan 28, 2020 at 0:53

4 votes

1 answer

2k views

Compilation error using SafeMath

asked Jun 11, 2019 at 15:29

5 votes

3 answers

2k views

What is meant by on-chain randomness? What is the difference between on-chain and off-chain operations in the context of randomness?

asked May 30, 2020 at 4:50

1 vote

1 answer

1k views

Truffle Console: How to print the value of a variable using get function

asked Feb 6, 2021 at 4:48

0 votes

1 answer

1k views

How to display the value of a variable using remix debugger and emit

asked Jun 2, 2019 at 23:36

1 vote

1 answer

1k views

Truffle Console: How to print Ether values for the accounts?

asked Dec 30, 2020 at 6:17

1 vote

1 answer

1k views

struct initialization

asked Mar 10, 2020 at 18:45

0 votes

3 answers

1k views

Using "owner = msg.sender" in a non-constructor function or in a declaration statement?

asked Jan 2, 2019 at 5:47

0 votes

1 answer

1k views

Difference between account, wallet and deployed addresses: Remix IDE & Code

asked Jan 21, 2020 at 19:28

1 vote

1 answer

1k views

How to find out the number of blocks in Ganache?

asked Oct 16, 2018 at 3:43

0 votes

2 answers

1k views

Truffle Console: Sending Ether to a contract using fallback function

asked Mar 10, 2021 at 4:32

0 votes

1 answer

1k views

Compatibility problem: Truffle version is 0.5.16 but Solidity file requires 0.8.3

asked Dec 5, 2021 at 6:00

2 votes

1 answer

1k views

call: Warning: Unused local variable

asked Jun 22, 2019 at 18:08

0 votes

1 answer

907 views

Solidity: How to do 2D mapping?/Syntax Error

asked Feb 6, 2021 at 17:07

2 votes

2 answers

902 views

Unable to upgrade Truffle

asked Sep 5, 2020 at 3:20

1 vote

1 answer

899 views

Remix IDE: How to get rid of the stated warning message on the online Remix IDE

asked Dec 18, 2018 at 5:20

1 vote

1 answer

856 views

Blockhash: Register the block number

asked Jun 1, 2020 at 21:54

0 votes

1 answer

789 views

Problem with installing web3 on ubuntu 18.04 using npm

asked Dec 20, 2020 at 20:57

Stack Exchange Network

163 Questions

What is a function selector?

Why Remix IDE asks for CallData and what value we have to give? [duplicate]

Remix IDE: What is the purpose of Calldata and Transact Tab

Truffle Console: Estimate Gas Cost of a function

Infinite Gas Requirement: Compiling a simple contract on Remix

Error Truffle Console: web3.fromWei is not a function

Reentrancy Attack in a Smart contract

ParserError: Expected identifier but got 'address'

Error: Explicit type conversion not allowed from "int_const 11111" to "bytes32"

Syntax Error: Type tuple(bool,bytes memory) is not implicitly convertible to expected type bool

SyntaxError: Source file requires different compiler version

Remix IDE: How to debug a contract having a function with a argument & for Loop

Why does a miner still pay gas for a reverted transaction?

Compilation error using SafeMath

What is meant by on-chain randomness? What is the difference between on-chain and off-chain operations in the context of randomness?

Truffle Console: How to print the value of a variable using get function

How to display the value of a variable using remix debugger and emit

Truffle Console: How to print Ether values for the accounts?

struct initialization

Using "owner = msg.sender" in a non-constructor function or in a declaration statement?

Difference between account, wallet and deployed addresses: Remix IDE & Code

How to find out the number of blocks in Ganache?

Truffle Console: Sending Ether to a contract using fallback function

Compatibility problem: Truffle version is 0.5.16 but Solidity file requires 0.8.3

call: Warning: Unused local variable

Solidity: How to do 2D mapping?/Syntax Error

Unable to upgrade Truffle

Remix IDE: How to get rid of the stated warning message on the online Remix IDE

Blockhash: Register the block number

Problem with installing web3 on ubuntu 18.04 using npm