Ethereum Questions, Problems & Solutions : TransWikia.com ~ Page 22

Deliver a dapp to a client, how to set as owner?

So, as a freelancer that wants to make a smart contract for a client, how do you set such client as the owner of the contract? Would it be setting...

Asked on 01/31/2021 by Angel Guastaferro

0 answer

How can I get pending transactions of a specific address/contract

I am currently running a full node and listening to pending txs in the mempool. Is there a way to filter transactions from a specific address? I want to get...

Asked on 01/29/2021 by itzi

0 answer

Import error in Truffle Pet Shop tutorial

I'm executing an example in the Truffle Pet Shop tutorial. While testing with file TestAdoption.sol, I have encountered the following error:Source truffle / Assert.sol not foundThe...

Asked on 01/29/2021 by xPain

1 answer

Way to fetch function name in fallback function with Solidity

I am writing a fallback function this way:fallback() external { (param1, param2) = abi.decode(msg.data[4:], (uint256, uint256));}I know...

Asked on 01/29/2021 by Bob5421

1 answer

Invalid Op Code - passing bytes32 array to a contract method called from another method of another contract

I've been banging my head on this one for some hours, I'd appreciate any help :) This is a final edit to clearly state the issue: Is there a proper...

Asked on 01/28/2021 by Hillfias

2 answer

Timeout w/ Mocha on deploying a contract

Starting to build the following test suite for a contract. It deploys fine on Remix. I get the following error message. 1) "before each" hook for "deploys a contract":...

Asked on 01/26/2021 by Tulun

2 answer

How to send ERC20 token to smart contract in constructor

When deploying a smart contract to a private network, how to send ERC20 token (on the same private network) in msg.value to the smart contract in constructor? Here is the...

Asked on 01/24/2021 by user938363

1 answer

Web3 - OR condition between multiple filters in getPastEvents

Take as an example the event PairCreated(address indexed token0, address indexed token1, address pair, uint); defined in UniswapV2Factory's contract. Let's say that I want to fetch all the past events...

Asked on 01/22/2021 by Deci

0 answer

Synchronisation failed, dropping peer; err="retrieved hash chain is invalid"; message loop

I have clique private proof-of-authority chain. I have updated all signer nodes' (currently I have 3 signer nodes) geth version to minimum Version: 1.8.16-stable. Also I have updated the other...

Asked on 01/22/2021

1 answer

Deploy bytecode

I have a compiled contract (actually it's just arbitrary data) that I would like to store as an account. It is possible to store this as a new account using...

Asked on 01/19/2021 by William Entriken

1 answer

Ask a Question

Get help from others!

Ethereum : Recent Questions and Answers (Page 22)

Ask a Question