Find answers to your questions about Ethereum or help others by answering their Ethereum questions.
What are the ways to check that all the .sol files in a github repository can be successfully compiled (like travis, circle etc)? Basically I want to check that in...
Asked on 12/09/2021
1 answera quick beginner's question... is it possible to sign a message twice with web3? For example Alice creates a message and signs it. Then it is sent to Bob....
Asked on 12/07/2021 by P_F
1 answerPlease excuse me, I'm a layperson, not a programmer. At this time is there a way to issue NFT's to be used as a 'key' to gain access to a...
Asked on 12/07/2021 by jayw
3 answerI am using ethers to get a signed request. I have a signature for the address 0x518171C334AD3adc1cF990A884D67963201B675F. It is, c4b71f516c36468022d61b0e22016c6bc69bc2c99666fb7e63e3d04841c82ff53d5c687ebe43b290d03caa6766e8e957192faa6b360f4102b536c54c3318304f1b. When I use ethers.js, to serialize my transaction with my...
Asked on 12/07/2021 by coder123
1 answerWhen I successfully compiled and deployed contracts using Truffle and ganache-cli, I typed truffle develop to get into the truffle(develop)>, and then typed let instance = await Factory.deployed(), it then...
Asked on 12/07/2021 by xxs
0 answerI have similar functions like this and they work fine: function getBarsOfParticipant() external view returns (uint256[], uint16[], bool[]) { uint256[] barIds = participantToBarIds[msg.sender];...
Asked on 12/05/2021 by Mindful
1 answerI've got some questions regarding coonecting 2 ethereum nodes (geth) between two different networks: e.g. company A and company B. First, I've already connected two different nodes within the same...
Asked on 12/05/2021 by Max647
1 answerI am facing this type of Error in 'remix IDE' while connecting it to '[email protected]'Error: Failed to decode output: Error: insufficient data for uint256 type (arg="", coderType="uint256", value="0x00")<!DOCTYPE html><head>...
Asked on 12/05/2021 by Parshvi
2 answerI am trying to store the timestamp in the blockchain using block.timestamp or now. But that keeps throwing warning asUse of "block.timestamp": "block.timestamp" can be influenced byminers to a...
Asked on 12/05/2021 by NinjaMAN
1 answerwhen test a contract i meet a confusing condition, so i tracked it by commented out per line, and distinguish it's a uint storage variable be reset to 0. To...
Asked on 12/04/2021
1 answerGet help from others!
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