Ethereum Questions, Problems & Solutions : TransWikia.com ~ Page 23

geth: Failed to unlock account

I exported the private key from Metamask and wants to import it into geth. geth is running on Windows 10. geth is started usinggeth --rinkeby --rpc --rpcapi="personal,eth,network,net,web3" --rpcport 8545...

Asked on 01/16/2021

2 answer

Says Transaction not executed but the funds still went through

Mac Ethereum wallet says "transaction not executed" but the funds still went through: https://ropsten.etherscan.io/tx/0x11ac91b6aac99eb02afe078b8786a9f1672929f65c73ee68e51b9e0ccc91036a But my everything was...

Asked on 01/13/2021 by Marc Alexander

1 answer

Am I allowed to copy and reuse a smart contract?

Let's say i'd like to take an existing smart contract from the Ethereum blockchain and use it for my own project on the Tron chain. Apart from any technical issues:...

Asked on 01/12/2021 by Endogen

2 answer

How to get events from transaction receipt in web3JS ( Solidity )

I have tried using events.eventname.returnValues[index] but I am not getting any response. Below is the smart contract code -pragma solidity 0.5.12;contract Dflip{ uint contractBalance; ...

Asked on 01/11/2021 by Himanshu

0 answer

How to find out what happened with a contract transaction

I have a question regarding one transaction which happened at the 17th of January 2018: https://etherscan.io/tx/0xabe5ac6176e1096bf4fbfa983cb8b04262ae1d57daf94ebb1668b5d45e3145f4 It should be transferred to my Blockchain Wallet 0x64f81834474FadF5A0AEd6C1e70C9B3b8300A1D3 but I...

Asked on 01/11/2021 by Peleke

0 answer

CompileError: UnimplementedFeatureError: Encoding type "struct A.Params memory" not yet implemented

I am hitting a deadend and I hope I can get some enlightenment. In one of the contract, Pool.sol I have a storage state variable defined as:struct PoolParam {...

Asked on 01/06/2021 by user2584960

0 answer

Mining custom coin

I made my own custom ERC20 coin for my DApp and want to have people mine for and utilize my coin instead of ETH on a private chain, is there...

Asked on 01/04/2021 by WesternWarrior

1 answer

Is there any API to create Addresss and wallet as well as make transfer for ETC (Ethereum Classic)?

There is balance checking, transaction list and transaction receipt getting APIs available for Ethereum Classic (ETC)? Is ETC coin is only available on Ethereum Classic or its listed block explorer...

Asked on 01/04/2021 by Rudrika

1 answer

Should increase/decrease token supply on transfer to/from 0x0?

I am about both ERC-20 and ERC-1155. Should totalSupply be increased/decreased, when:transferring to 0x0?burning an amount already placed at 0x0 address?By the way, should 0x0 be allowed to have non-zero...

Asked on 01/03/2021

1 answer

How to validate proper implementation of ERC-1155 contract?

I want to implement an ERC-1155 contract. Using TDD we would first write a test. Which begs the question of is there a way to validate that your contract...

Asked on 01/03/2021 by Steven T. Cramer

1 answer

Ask a Question

Get help from others!

Ethereum : Recent Questions and Answers (Page 23)

Ask a Question