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Ethereum

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Answer score of 10 or more. This badge can be awarded multiple times.
Awarded 2018 times.
I am running my tests in the hardhat environment but it gives me 0 passing all the time
Awarded Aug 29 at 17:41
Someone has "faked" transferring 0.00 ERC-20 tokens from my and many other addresses
Awarded Aug 29 at 16:31
How to properly set nonce in a web3 contract invocation?
Awarded Aug 23 at 21:02
Ethereum Address string size
Awarded Aug 19 at 9:31
Is it possible to read event logs on-chain?
Awarded Aug 16 at 20:11
Ed25519 in smart contracts
Awarded Jul 27 at 2:20
What is the shortest bytecode that will publish a contract with non-zero bytecode?
Awarded Jul 22 at 2:25
Why gas-used are different for same transfer() tx?
Awarded Jul 15 at 18:23
assign decimal to a variable in solidity
Awarded Jul 2 at 4:32
Followed hardhat test tutorial and got "TypeError: (0 , ethers_1.getAddress) is not a function" error
Awarded Jul 1 at 14:07
How to get details for an Ethereum transaction
Awarded Jun 28 at 13:48
Ethers.js - Error: invalid BigNumber string
Awarded Jun 22 at 10:18
How to send array of structs using Foundry cast
Awarded Jun 19 at 10:12
How to use ethers keccak256?
Awarded Jun 17 at 4:27
Convert Hex integer to number (chainlink)
Awarded Jun 8 at 2:21
Why does a miner still pay gas for a reverted transaction?
Awarded Jun 6 at 12:51
What is msg.data?
Awarded May 31 at 14:41
Why does ERC721 have transferFrom and safeTransferFrom?
Awarded May 29 at 8:28
Does nonce increase when the transaction fail?
Awarded May 25 at 20:17
Solidity Error: Doc tag @notice not valid for statements
Awarded May 13 at 15:15
How do I call functions from 'Read as proxy' on smart contracts?
Awarded May 12 at 9:47
how to estimate gas limit when using web3.eth.sendSignedTransaction
Awarded May 6 at 8:17
Ethers 6 transaction receipt events information
Awarded May 3 at 21:50
Free and public Ethereum JSON-RPC API nodes
Awarded Apr 26 at 13:48
Resetting the local hardhat node inside a test suite?
Awarded Apr 26 at 9:07
Failed to get EIP-1559 fees error when deploying to ZkEVM polygon using Foundry
Awarded Apr 24 at 15:27
How get network ID with ethers.js?
Awarded Apr 16 at 11:07
How does a contract find out if another address is a contract?
Awarded Apr 15 at 14:49
How to get the block number which is the closest to a given timestamp?
Awarded Apr 14 at 13:36
TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
Awarded Apr 13 at 3:04
Why write uint256 instead of uint if they're the same thing?
Awarded Apr 6 at 0:41
Is Trezor compatible with Ethereum
Awarded Mar 29 at 18:09
How to get events emitted by a transaction with web3.js
Awarded Mar 24 at 18:36
How do I get the raw private key from my Mist keystore file?
Awarded Mar 14 at 20:06
Is it possible to log how much gas was used during hardhat/ethers transaction?
Awarded Mar 7 at 16:40
How to convert bytes to uint in Solidity
Awarded Mar 7 at 8:33
require(condition, "message") vs revert with a custom Error(), which is better and why?
Awarded Feb 29 at 12:57
Does metamask store private key on server or anywhere else?
Awarded Feb 28 at 8:10
What is the difference between getSigners and getNamedAccounts?
Awarded Feb 17 at 13:26
I got scammed or suspect scam on Ethereum or Uniswap. What to do?
Awarded Feb 15 at 10:03
How to convert bytes to uint in Solidity
Awarded Feb 11 at 17:50
Forge-std/Test.sol imported and working but VSCode marks an error
Awarded Jan 27 at 23:34
Convert/cast an address to uint256
Awarded Jan 27 at 14:26
How to check currently installed web3 version?
Awarded Jan 27 at 10:46
how to make batch transaction in ethereum?
Awarded Jan 16 at 20:25
How do you create a new contract instance with an address *and* arguments?
Awarded Jan 14 at 2:49
how to get list of transactions history about specific contract address using web3?
Awarded Jan 10 at 14:25
Bytes variables are connected
Awarded Jan 9 at 3:28
How to convert string to int
Awarded Jan 6 at 13:50
How to set msg.value in solidity function call
Awarded Jan 4 at 15:27
Hardhat vs foundry, which to use for testing?
Awarded Dec 23, 2023 at 17:26
Should the constructor function be public?
Awarded Dec 22, 2023 at 16:55
Why does delete increase overall gas cost?
Awarded Dec 21, 2023 at 16:35
Can CREATE2 with the same salt override existing contract?
Awarded Nov 28, 2023 at 17:16
Can an ERC-20 have more than 18 decimals?
Awarded Nov 21, 2023 at 11:50
Should I use 'bytes' or 'string' always?
Awarded Nov 17, 2023 at 4:42
Get address from public key in Solidity
Awarded Nov 16, 2023 at 7:51
Swap ether to tokens on Uniswap V2 Router 02 fails
Awarded Nov 15, 2023 at 15:49
How to get implementation address after deployProxy()? (@open-zepplin/hardhat-upgrades)
Awarded Nov 12, 2023 at 20:03
How to get more than 20 Signers with ethers.js / hardhat / waffles
Awarded Nov 12, 2023 at 3:17
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