All Questions
7 questions
1
vote
3
answers
672
views
Transaction receiving ether from a contract address
Are transactions sending ether from contract addresses to normal addresses listed in block.transactions or are they not trivial to detect?
If not in block.transactions than how to detect?
CommunityBot
- 1
0
votes
1
answer
34
views
Transactions with my contract are older than the contract itself
I have recently started my blockchain development journey and I can't seem to find an answer to my question.
I have deployed a new contract (the same way as I did a few before) on 19.09.2022 13:25 yet ...
- 1
2
votes
3
answers
1k
views
How smart contract transactions work?
I read that smart contracts don’t have a private key, so they can’t sign a transaction. My question is: when a smart contract starts a transaction to an EOA, how are we sure that the smart contract ...
- 55.6k
2
votes
1
answer
241
views
How does Transactions work in Ethereum Virtual Machine?
While reading the transactions sections of EVM documentation many questions raised in my head:
If the target account is not set (the transaction does not have a
recipient or the recipient is set ...
- 28.1k
0
votes
2
answers
634
views
How can I create a modifier that requires the msg.sender be one of multiple addresses?
I apologize if this has been asked already. It seems like a very basic question but I cannot find an answer to it. Every example of using a modifier to create a "ownerOnly" function uses the "owner =...
- 597
28
votes
1
answer
10k
views
Cannot perform write functions in smart contract - invalid address?
I have the following simple smart contract...
contract SimpleStorage {
uint storedData;
function set(uint x) {
storedData = x;
}
function get() constant returns (uint retVal) ...
- 123
4
votes
1
answer
586
views
Is the address of a Smart Contract fixed?
I would like to know if the address of the smart contract is fixed.
I want some privacy for my application, so I would like to change the sending address and receiving address each time the smart ...
CommunityBot
- 1