ethereum

ethereum

ERC721 Invalid token id

window.ethereum.providers.find((provider) => provider.isMetamask) returns undefined

Returning nested structs in solidity reverts with error

How to ".call" a function of another contract which uses ".call"

Creating an external payable function based on other functions (confusing question/challenge wording)

Uniswap V2 why overflow is desired?

HardHat with gas-report reports not understandable

How many EVM in Ethereum chain?

reverted transaction. Calling another contract inside delegatecall

Run Mythril tool on a Hardhat Project?

Satisfying all tests for a Solidity function where a boolean is returned if a value is even

How to get Kovan testnet faucet

Unable to set approval nor transfer ownership in ERC721 smart contract

Estimating ETH transfer and ERC20 transfer gas always returns same value

"Execution reverted" error when I call createCollectible function on goerli testnet

How to check if an NTF is sold from another contract not managed by me?

Estimate gas of minting erc20 token without deploying contract

Aprove function does not increase allowance of ERC20

Why I don't have to pay gas for listing an NFT on opensea?

Multiple smart contacts on same near wallet account

Ether is not transferring in this code from one account to other.?

How can I get all the NFT contract address via opensea API?

Uniswap swapRouter02 Error: Transaction reverted without a reason string

Transfer ERC20 token without ETH

Why does releasing a storage variable cost more gas than it saves?

Alphabets in x , y coordinates of Elliptic graph

Automatically pointing contract address to solidity interface

Transactions dis- and reappear from txpool_inspect at random

How to create many ERC721 tokens sharing the same metadata tokenURI but different TokenId?

Is there any way to convert dollar to ether while making transaction using Ethereum payment as well as from dollar to Solana in Web3.js?

How to create gasless-transactions/meta-transaction using ethers.js?

Unable to initialize OpenZeppelin Clone contract during Hardhat Test (Error: VM Exception)

What is Interface signature in solidity?

What is the point of Pure functions in solidity

Multiple inheritance in solidity without having to reimplement all the functions?

Is there an API to retrieve ERC-721 listings/bids from different marketplaces?

How to distribute new tokens (fee) between token holders

Are there any unconventional standards for ERC20 tokens on Ethereum?

Block-chain memorised 5.000.000 of hash

Unable to run Ethereum Adaptor from Hyperledger Caliper (Errors details mentioned in details)

Fatal: Error starting protocol stack: listen tcp 127.0.0.1:8551: bind: Only one usage of each socket address is normally permitted

Unable to create contract clone on Hardhat. "Error: Transaction reverted: function call to a non-contract account"

Testing for equality in elements of struct in a for loop (Invalid Opcode)

Gas estimation error during calling the funtion

How use a Bep20 token and not BNB to pay in a solidity contract?

Batch Minting vs Lazy Minting Directly to user wallet

How to concatenate 2 String in Solidity and encode Keccak256?

Can't withdraw on Smart Contract (ERC20) as ether balance is showing 0

Getting "out of gas" when sending whole amount of eth

How do you read a value returned by a method in smartcontract using web3j?

* Invalid account: #0 for network: mumbai - Expected string, received undefined

Admin account triggering multiple transactions for P2E game

Passing wallet argument in ethers Contract function

Character limit on ens subdomains

How do I pass an environment variable into a foundry test file?

Which version of solidity is most stable to use?

Returned error: VM Exception while processing transaction: revert only owner can call this function

How to check whether user has any ERC1155 of specific contract in solidity?

How to compare an ascii string with a uint8 array in Solidity?

ethers.js listener events fromblock doesn't work

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