Ethereum Questions, Problems & Solutions : TransWikia.com ~ Page 6

Error whilst running solidity with python(py-solc)

I have been running my code which involves deployment of smart contract to Ethereum Ropsten network. I ran this successfully for some time but last week did installed another software...

Asked on 12/13/2021 by Tabz

1 answer

Access Tuples elements

I have the following tuple:( , , uint256 standardDepositAmount, , )I need to use the standardDepositAmount in a require, like:require(standardDepositAmount == something)how can i do that?...

Asked on 12/13/2021 by martasaparicio

1 answer

cannot transfer token from EOA account to a contract from function

i was making a contract for staking where user transfer its token to a contract and i will give him interest but i got stuck to this problem i have...

Asked on 12/13/2021 by Shahzain Tariq

1 answer

How do transactions know how to behave based on the genesis block?

Say I am a miner, and my genesis block on the mainnet has configuration X. A transaction comes in for me to mine. How does my Ethereum client confirm that...

Asked on 12/11/2021 by AlwaysQuestioning

2 answer

Where, or how, can I programmatically get a complete history of the major cryptocurrencies?

I would like to programmatically get a complete list of the historical:Number of transactionsAverage Transaction FeeHashrateMining Profitability DifficultyBlock TimeBlock Sizerelated to the major cryptocurrencies...

Asked on 12/11/2021 by user39184

1 answer

How can i retrieve the values matching to an id in solidity

pragma solidity ^0.4.23;contract tracking { struct data { uint ownernumber; uint id; } ...

Asked on 12/11/2021 by Venkatesh Muthyala

3 answer

A lot of transactions stuck in local node pool

Geth node does not release the transactions to pool. Transactions are stuck. When I realized this problem I saw there weas a new version. I updated Geth from 1.9.12 to...

Asked on 12/11/2021 by Mahsum UREBE

0 answer

Too much gas consumption

I'm programming my first Eth Contract, I'm facing a problem, the gas consumption ( estimated ) of the buy method is going really to high ( Quickly > N million...

Asked on 12/09/2021 by Nathan Vasse

2 answer

Calling a function from another contract is not working. But calling the function from deployed contract is working

I have a problem with calling a function from another contract.I don't know why it is not working. Contract DateTime(https://github.com/pipermerriam/ethereum-datetime) is a util for converting inputs...

Asked on 12/09/2021 by Jerry.J

1 answer

Parity build error

mac os 10.14.4 CMake-3.14.4 was installed by running the bootstrap script in CMake-3.14.4 directory. then ran $ git clone https://github.com/paritytech/parity-ethereum$ cd parity-ethereum$ cargo build --release --features finalI received the...

Asked on 12/09/2021 by sylviatrilling

0 answer

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