Ethereum

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Awarded 452 times.
View/Pure Gas usage - Cost gas if called internally by another function?
Awarded Aug 23 at 23:50
How can I test sending Ether to a contract with a `payable` receive function?
Awarded Aug 11 at 9:17
ERC721: How to get the owned tokens of an address
Awarded Jul 19 at 13:42
What is the immutable keyword in Solidity?
Awarded Jul 11 at 17:22
Difference between require and assert and the difference between revert and throw
Awarded Jul 10 at 13:26
How to initialize an empty array inside a struct?
Awarded Jul 4 at 11:22
Use string type or bytes32?
Awarded Jul 1 at 12:47
How to find solidity code for a contract address
Awarded Jun 26 at 7:50
At which point the smart contracts get executed?
Awarded Jun 26 at 7:50
Why is my ether balance 0 in geth, even though the sync is nearly complete?
Awarded Jun 26 at 7:50
What fixed or float point math libraries are available in Solidity?
Awarded Jun 15 at 18:55
Why does ++i cost less gas than i++?
Awarded Jun 8 at 12:40
What are the popular API to get current exchange rates for Ethereum to USD
Awarded Jun 7 at 16:12
If someone found a private key to 0x0, would they be able to access all the tokens (over one billion dollars worth) stored there?
Awarded Jun 5 at 21:03
How can I get a mnemonic phrase from a private key?
Awarded May 25 at 20:34
Is block.timestamp safe for longer time periods?
Awarded May 25 at 19:50
How to get the current time in Solidity
Awarded May 2 at 6:27
Are there well-solved and simple storage patterns for Solidity?
Awarded Apr 27 at 8:16
How can I view event logs for an ethereum contract?
Awarded Apr 25 at 18:03
I want to know how to quit the truffle console?
Awarded Apr 1 at 18:05
Solidity inherited constructors and calling the parent constructor
Awarded Mar 30 at 12:55
How to map EVM trace to contract source?
Awarded Mar 23 at 11:03
What is the purpose of giving name to return variables in function declaration?
Awarded Mar 21 at 15:16
What's the Solidity statement to print data to the console?
Awarded Mar 20 at 16:47
How do Ethereum mining nodes maintain a time consistent with the network?
Awarded Mar 13 at 21:10
How to convert WEI to ETH with ethers.js
Awarded Mar 6 at 22:51
ethers formatEther(wei) with max 4 decimal places
Awarded Mar 3 at 3:22
Listening to events using ethers.js on a hardhat test network
Awarded Mar 1 at 20:40
Why write uint256 instead of uint if they're the same thing?
Awarded Feb 21 at 16:32
Retrieve CHAIN_ID of the executing chain from a Solidity contract
Awarded Feb 14 at 7:40
Call contract and send value from Solidity
Awarded Feb 14 at 7:40
I see no way to obtain the return value of a non-view function (ethers.js)
Awarded Feb 14 at 2:56
Hardhat - How to interact with a deployed contract?
Awarded Feb 8 at 12:31
Is it possible to check string variable's length inside the contract?
Awarded Feb 5 at 14:25
How to concatenate strings in solidity?
Awarded Jan 25 at 19:20
Decimals on ERC20 Tokens
Awarded Jan 24 at 20:56
Convert address to string
Awarded Jan 24 at 9:46
How to import a plain private key into geth or Mist?
Awarded Jan 24 at 7:35
What's the difference between 'msg.sender' and 'tx.origin'?
Awarded Jan 23 at 1:25
understanding mload assembly function
Awarded Jan 15 at 13:33
Can anyone explain what's the difference between mist/geth/parity in simple terms?
Awarded Jan 6 at 16:31
How to check events in Truffle Tests?
Awarded Dec 21, 2022 at 14:06
Can I use the same private key for Ethereum and Bitcoin?
Awarded Nov 30, 2022 at 6:50
What was the reason to invent the EVM?
Awarded Nov 23, 2022 at 0:05
Is there a way to generate ethereum paper wallets?
Awarded Nov 23, 2022 at 0:05
How can you share a struct definition between contracts in separate files?
Awarded Nov 16, 2022 at 5:25
'internal' keyword in a function definition in Solidity
Awarded Nov 14, 2022 at 15:40
Upgradeable smart contracts
Awarded Nov 1, 2022 at 21:06
invalid arrayify value while using bytes32 array
Awarded Oct 19, 2022 at 8:33
Get a peer list for my geth node
Awarded Oct 10, 2022 at 22:11
How to convert bignumber to normal number using ethers.js?
Awarded Oct 10, 2022 at 19:46
Return a mapping in a getAll function
Awarded Oct 10, 2022 at 13:18
Delete all elements from an array?
Awarded Oct 2, 2022 at 9:21
How to loop through mapping in solidity?
Awarded Oct 1, 2022 at 17:31
What is msg.data?
Awarded Sep 24, 2022 at 4:18
What is the purpose of "unchecked" in Solidity?
Awarded Sep 20, 2022 at 19:56
What is the difference between the constant and immutable keywords in Solidity?
Awarded Sep 6, 2022 at 22:32
Can't do any integer division
Awarded Aug 22, 2022 at 8:32
How to get ETH contract balance with Ethers.js
Awarded Aug 22, 2022 at 3:09
Can a contract listen to events of another contract?
Awarded Aug 16, 2022 at 21:01
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