Ethereum

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Awarded 5104 times.
How to understand the last argument of the solidity assembly call(g,a,v,in,insize,out,outsize) outsize
Awarded 13 hours ago
Does Chainlink store Oracle response for a transaction somewhere on blockchain?
Awarded 2 days ago
What happens when you submit the same transaction to multiple providers?
Awarded Oct 17 at 15:41
Sending ether directly from metamask to fallback function
Awarded Oct 17 at 9:56
Convert Hex Number from Solidity
Awarded Oct 17 at 3:27
Why Can't I Call This Parent Function in Solidity?
Awarded Oct 14 at 11:32
Request a transaction amount in a function
Awarded Oct 13 at 19:28
Storing ERC721 metadata on IPFS
Awarded Oct 11 at 13:25
Does ASIC miner works in ETH and ETC
Awarded Oct 9 at 15:16
I want to convert uint value to ether value (solidity) [closed]
Awarded Oct 9 at 11:20
Truffle test does nothing but compile work
Awarded Oct 8 at 20:57
Running geth in light node?
Awarded Oct 7 at 15:55
npm install - - global @openzeppelin/cli not working
Awarded Oct 6 at 10:45
What does the function “abi.encodeWithSelector(bytes4 selector, …) returns (bytes memory)” do exactly?
Awarded Oct 5 at 14:31
Uniswap transaction fails with TransferHelper: TRANSFER_FROM_FAILED
Awarded Oct 4 at 12:11
Geth keeps changing coinbase / miner account and stops working. (POA Network)
Awarded Oct 2 at 22:56
Question about msg.value
Awarded Oct 1 at 18:57
unable to see the first address using web3.eth.getAddress()
Awarded Oct 1 at 7:57
How does this contract scam work?
Awarded Oct 1 at 0:56
Pass json of address to Contract
Awarded Sep 30 at 17:27
Deploy pre compiled bytecode using truffle migrations deployer api
Awarded Sep 30 at 10:06
how does contract cost less gas in structs?
Awarded Sep 29 at 13:50
Issue about connecting with WalletConnect by using the example of Web3Modal
Awarded Sep 29 at 13:18
Why can smart contracts receive ETH but not other ERC-20 tokens?
Awarded Sep 29 at 10:50
Cant push Owner's address into an array outside function
Awarded Sep 28 at 5:57
TypeError: push is not detected as a function for address payable dynamic array
Awarded Sep 27 at 5:56
transfer to particular address on function call
Awarded Sep 26 at 13:18
TypeError: Type string calldata slice is not implicitly convertible to expected type string memory
Awarded Sep 26 at 10:56
Uniswap V2 Contract question: Stack too deep [duplicate]
Awarded Sep 25 at 18:12
ethers.js wrong signature
Awarded Sep 24 at 19:09
How to import both VRFConsumerBase and ChainlinkClient in same contract
Awarded Sep 23 at 16:52
Receiving 'undefined' when using getBalance from web3
Awarded Sep 22 at 19:04
Why uint foo = 5, foo/=6 work, but not foo = 5/6?
Awarded Sep 22 at 13:28
How to find official smart contract addresses
Awarded Sep 20 at 7:27
Changing transaction validation process in Ethereum
Awarded Sep 18 at 13:50
How to add USDT ERC20 Token to private blockchain
Awarded Sep 18 at 5:57
If I participate in a ERC20 ICO with my Metamask eth address, can I add the custom token later on?
Awarded Sep 17 at 20:31
Ethereum vs bitcoin technology [closed]
Awarded Sep 16 at 13:21
medalla testnet launchpad requires metamask or similar
Awarded Sep 16 at 13:09
Why does this address have a balance?
Awarded Sep 15 at 18:48
When an Ethereum transaction event occurs, is there a case when it was not included in the main chain later due to a fork?
Awarded Sep 15 at 8:26
What's the advantage of interacting with a smart contract from another smart contract (instead of just calling it using something like Web3.js)?
Awarded Sep 14 at 22:57
Error on view function call {'code': -32015, 'data': 'Reverted 0x', 'message': 'VM execution error.'}
Awarded Sep 14 at 22:57
Why are lending rates on USD based stable coins so different?
Awarded Sep 14 at 15:41
Find freshly deployed contracts on ethereum network
Awarded Sep 14 at 8:17
Contract to interact with another contract written in vyper
Awarded Sep 14 at 4:34
Unsupported Protocol Scheme When Calling Chainlink Oracle
Awarded Sep 13 at 0:49
How to get a token pair's uniswap trade history?
Awarded Sep 9 at 9:33
Ethereum Difficulty Formula
Awarded Sep 9 at 6:55
How do I write test assertions for ethereum specific events?
Awarded Sep 8 at 7:57
Is there any way to do dry run a smart contract on Ethereum Mainnet?
Awarded Sep 7 at 10:27
ERC1155 Validation Error code: -32000
Awarded Sep 6 at 14:17
What does .encodeABI() mean?
Awarded Sep 5 at 16:26
Create map of existing objects in mint function for a smart contract
Awarded Sep 4 at 21:11
web3 py - transact call with struct parameter
Awarded Sep 4 at 18:41
how to read smart contract A's data from other smart contract B in ethereum?
Awarded Sep 3 at 19:51
VM transaction failed reverting the transaction
Awarded Sep 3 at 4:12
Can I stop geth when it is halfway done and restart it without loosing all the first half of data?
Awarded Sep 3 at 0:17
Transaction dropped and replaced but still shows as pending in etherscan
Awarded Sep 2 at 20:46
i am new to this, can someone steal my erc20 token with the Function approve()
Awarded Sep 2 at 20:25
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