Ethereum
Siwei's user avatar
Siwei's user avatar
Siwei's user avatar
Siwei
  • Member for 6 years, 2 months
  • Last seen this week
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About

http://siwei.siwei
working in Beijing, China.

Ruby, Rust, Rails, Android, Vuejs

  • 14 years of work exp.
  • familiar with most of the techs , from ops, web backend, web frontend, mobile, to h5.
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Top posts
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answer
8
'Error: invalid arrayify value (argument="value", value="", code=INVALID_ARGUMENT, version=bytes/5.0.5)\n'
Jan 14, 2022
question
2
Why require(minter == msg.sender) always throw error? I used the correct address as sender
Jun 20, 2022
answer
2
Why require(minter == msg.sender) always throw error? I used the correct address as sender
Jun 26, 2022
answer
2
How to programmatically deploy a solidity contract dynamically using Metamask?
Jul 26, 2022
question
1
My signed transaction seems failed, and not broadcasted. why?
Dec 20, 2020
question
1
why msg.sender always gives me 0x0000000000000000000?
Aug 26, 2022
answer
1
Fast syncing showing endless importing new state entries Geth 1.7.3
Jul 27, 2018
answer
1
Smart Contract Error: Returned values aren't valid, did it run Out of Gas?
Jun 7, 2022
answer
1
Truffle Migrate Rinkeby - Error: PollingBlockTracker - encountered an error while attempting to update latest block: Error: ETIMEDOUT
Jun 17, 2022
answer
1
How do I specify a different Solidity version in a Truffle contract?
Jun 18, 2022
Top network posts
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706
Is there a "do ... while" loop in Ruby?
192
getting "The bucket does not allow ACLs" Error
111
Changing Vim indentation behavior by file type
87
How to combine two conditions in a where clause?
82
How to style an image tag in Ruby on Rails