Ethereum

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Transfer erc20 token fail execution reverted
Awarded 5 hours ago
How to connect to testrpc from another machine local network?
Awarded 8 hours ago
How to set values for Solidity contract state variables from JavaScript front-end?
Awarded 9 hours ago
How to create the ENS subdomain and assign it to an address?
Awarded 21 hours ago
How do I get the deployed contract's address from a ContractContainer object in Brownie?
Awarded yesterday
How can I check on the frontend if an ERC20 address has approved a contract? (Approval)
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Running Solidity's keccak256 in python
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Ethers.js event firing question
Awarded yesterday
Altering / overriding the method from main contract
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How to convert a uint to 64 byte hex string using Node.js? [closed]
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Brownie cannot install solc on OSX
Awarded yesterday
Uniswap: Insufficient Input Amount
Awarded yesterday
How to set up Quorum Blockchain?
Awarded 2 days ago
How does solc generate the bytecode for a contract?
Awarded 2 days ago
Programmatically get smart contract ABI and Bytecode
Awarded 2 days ago
hardhat console.log in solidity file outputs nothing
Awarded 2 days ago
How does the ERC20 tutorial instantiate an unimplemented interface?
Awarded 2 days ago
Why does ++i cost less gas than i++?
Awarded Aug 8 at 6:06
How to list all recipts in a block using web3js?
Awarded Aug 8 at 3:36
How can I catch error event(Error: Returned error: insufficient funds for gas * price + value) to send tether on Ethereum network?
Awarded Aug 8 at 1:17
Parity account addresses all having prefix 0x00
Awarded Aug 7 at 17:20
unable to swap via swapExactTokensForTokens
Awarded Aug 7 at 0:35
How to handle MetaMask disconnecting from dapp?
Awarded Aug 6 at 18:15
What encoding is used for Ethereum addresses? [duplicate]
Awarded Aug 6 at 9:56
Solidity - Generate multiple, unpredictable random numbers that do not depend on input
Awarded Aug 5 at 20:36
Property 'revertedWith' does not exist on type 'Assertion'
Awarded Aug 5 at 20:04
Token swap amount difference between the amount from uniswap app and contract read
Awarded Aug 4 at 22:15
How can I estimate the gas in usdt transfer? [closed]
Awarded Aug 4 at 19:26
Are duplicate addresses rare or not?
Awarded Aug 4 at 10:00
Why is gas fee of mainnet higher than testnet?
Awarded Aug 4 at 9:36
I'm getting 'error: exceeds block gas limit' despite my gas limit being very low
Awarded Aug 4 at 2:47
Truffle Contract Factory Testing (Javascript)
Awarded Aug 4 at 0:46
How does Solidity handle insertion of duplicate keys in mapping?
Awarded Aug 3 at 23:47
What is Solidity revert code "-32000" when interacting with contracts via Remix IDE?
Awarded Aug 3 at 22:27
Ethereum Hard Fork: what happened to legacy Ether?
Awarded Aug 3 at 22:04
External functions calling other functions in Solidity
Awarded Aug 3 at 21:26
How to convert an Ethereum address to an ASCII string in solidity
Awarded Aug 3 at 20:47
Gas requirement is infinite for the function
Awarded Aug 3 at 19:26
Out of gas for a transaction on ganache
Awarded Aug 3 at 18:07
Hardhat how to impersonate an account for a local fork without using etherjs
Awarded Aug 3 at 16:08
How to represent the complete big number (all e)
Awarded Aug 3 at 15:18
How to generate Data payload for a smart contract transaction programmatically?
Awarded Aug 3 at 10:15
using abi.encodePacked when calling a contract
Awarded Aug 3 at 9:42
Method personal_sign not supported [duplicate]
Awarded Aug 3 at 9:25
How do I call functions from 'Read as proxy' on smart contracts?
Awarded Aug 3 at 9:08
Using personal_sign with WalletConnect and Gnosis Safe
Awarded Aug 3 at 8:05
What's the difference between OpenZeppelin's IERC vs ERC contracts?
Awarded Aug 2 at 21:33
After compiling contract, there is no build directory inside project directory?
Awarded Aug 2 at 16:35
Storing complex data types in Eternal Storage
Awarded Aug 2 at 16:27
Why are integers returning as hex?
Awarded Aug 2 at 15:35
crypto-signing in a smart contract -> verify the identity of a smart contract
Awarded Aug 2 at 12:21
How do I automatically update the latest block number and pending txns in my app?
Awarded Aug 2 at 4:03
Etherscan "Write" buttons not interacting with Metamask [closed]
Awarded Aug 2 at 3:42
In assembly... can't get delegatecall to work
Awarded Aug 1 at 21:57
Can't connect to localhost:8545 while using ethereumjs-testrpc web3?
Awarded Aug 1 at 18:07
Issue creating an Ethereum app with Node JS and web3
Awarded Aug 1 at 16:02
What is meant by on-chain randomness? What is the difference between on-chain and off-chain operations in the context of randomness?
Awarded Aug 1 at 15:27
ERC721 standard - What should you pass in the name and symbol arguments passed to the constructor?
Awarded Aug 1 at 14:48
Solidity returns "ParserError: Expected primary expression" on my code below, can anyone help?
Awarded Aug 1 at 11:47
How to call ERC 721 smart contract methods from JavaScript [duplicate]
Awarded Aug 1 at 11:31
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