Jung Chun's user avatar
Jung Chun's user avatar
Jung Chun's user avatar
Jung Chun
  • Member for 5 years, 3 months
  • Last seen more than a month ago
2 votes
1 answer
2k views

Geth ran fine, but suddenly it's stuck and don't know the reason why

1 vote
2 answers
627 views

How could I convert uint type to bytes type in solidity?

3 votes
3 answers
2k views

truffle migrates the contract with a weird account which is not from my mnemonic

0 votes
1 answer
98 views

Trying to get array size but it reverts

1 vote
1 answer
990 views

Could I update Geth without stopping running Geth? And how could I update Geth without removing data?

0 votes
0 answers
794 views

I think Metamask gas fee showing has an error. Please have a look!

4 votes
1 answer
430 views

I want to use Ledger Nano S to deploy the contract, but not working

0 votes
2 answers
2k views

Is there a way to set specific account when using truffle console rinkeby?

0 votes
1 answer
169 views

Is there a way to know the REAL msg.sender?

1 vote
0 answers
309 views

Is there a way to calculate gas usage of external function call?

0 votes
1 answer
432 views

How msg.sender changes through relaying function calls between contracts? [duplicate]

2 votes
1 answer
777 views

How msg.sender changes through relaying function calls?