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Ethereum
Roman Kiselenko's user avatar
Roman Kiselenko's user avatar
Roman Kiselenko's user avatar
Roman Kiselenko
  • Member for 7 years, 3 months
  • Last seen more than a month ago
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awarded
 Yearling
answered
Howto check sync with kovan testnet is complete or not?
awarded
 Yearling
answered
Geth console - list active RPC connections
answered
how to check instantly when a user charges amount to his address generated by our app
answered
How can the contract move funds from a user wallet to a contract address
comment
What does an Ethereum Client do?
What is Ethereum Client ?
answered
Sending extra data beside or inside a new smart contract
comment
Compilation Error
Here is some tip for option one ethereum.stackexchange.com/a/84719/18491
comment
Compilation Error
You have two options 1) Change compiler version to match contract 2) Change contract syntax to much compiler requirements.
comment
Compilation Error
The another error claim to syntax mismatch, you cant change pragma just like that without effects.
comment
Compilation Error
There is an error message Truffle is currently using solc 0.5.16, but one or more of your contracts specify "pragma solidity ^0.6.0". Why you ignore it ?
answered
How to install solc of a specific version?
awarded
 Yearling
comment
JSON RPC call from javascript with axios
All parameters goes in the params: {}, you can find more here jsonrpc.org/specification
revised
JSON RPC call from javascript with axios
added 113 characters in body
answered
JSON RPC call from javascript with axios
comment
What actually a block contains, is the data inside it a virtual or physical entity?
Maybe he has wrong undestanding? :) your explanation is LGTM.
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What actually a block contains, is the data inside it a virtual or physical entity?
What mean deeper? All that info is just in block. Did interviwer give you own explanation? The block itself contains another data which you're not denoted infura.io/docs/ethereum/json-rpc/eth_getBlockByNumber.
comment
Can't get the correct balance of a token after I restart geth node within docker
If you're not using persisted volume all your data will be wiped.
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