ethereum

ethereum

Solidity require(msg.value >=...) does not work

get decimal number in solidity from external api with chainlink

TypeError: "msg.value" and "callvalue()" can only be used in payable public functions

My "Buy" function in smart contract file keep making error

Solidity - ParserError: Expected ';' but got '['

Chainlink: API array response to bytes

use TransferFrom in solidity smartcontract ( ERC-20 )

How to send another token in MetaMask using eth_sendTransaction

How to instantiate functions of other smart contracts to write and read data from the same contract on Solidity?

Issues using a delegateCall (proxy contract with Solidity) and using variables inside the delegate contract

Unable to retrieve BNB sent to a smart contract on Remix Ethereum

Why does this code throw a (ambiguous) internal compiler error?

Best plan of attack for digital certificates for proof of completion on EVM

atomicMatch for Opensea via etherscan?

Cannot Deploy to AVAX C-Chain Mainnet | Internal JSON-RPC error. { “code”: -32000, “message”: “execution reverted” }

Error: invalid BigNumber value (argument="value", value={"value":"25000000000000000"}, code=INVALID_ARGUMENT, version=bignumber/5.5.0)

How to send some custom tokens with MetaMask API?

Why do I need parenthesis to access a Solidity contract variable in python?

Get error message shown in the status of the transaction in EVM blockchain

How to access abi of deployed contract with truffle?

How to force smart contract to accept ether when deployed on Polygon chain

Multiple ERC20 tokens in a DeFi platform

Large amount of wei not being processed by Solidity on Remix

Truffle doesn't compile but remix does

BuySingle function returning invalid proof - Solidity

What Mapping dot update is?

Solidity/Ethereum. Cheaper alternative regarding gas

BSC or Ethereum transaction history

DelegateCall for multi transaction for minting, approving and putting on a marketplace of NFT

Send BNB or ETH to get back token automatically Solidity

Remix error message 'Unused function parameter' with fulfillRandomness using Chainlink VRF Smart Contract

How to get access to specific metadata of a ERC721 token

How to get the address who is paying the gas (Sending the transaction)?

Testing contracts using time from OpenZepplin library: Error: Invalid JSON RPC response: ""

ethers.js call to contract transaction fails

Can I make my contract be available to any account?

Are Interfaces used for the sole purpose of generating ABI's in Solidity?

How to set a timer with solidity?

SOLIDITY: Create multiple contracts from one parent contract and listen for events from child contract

Why can't transactions be sent directly to validators/mining pools?

Need help understanding solidity contract function swapback()

xx% of the number of tokens sold went to the liquidity pool for sale

HardHat and Rinkeby ProviderError: Must be authenticated Error

Deploying Uniswap v2 / Sushiswap or similar in Brownie, Hardhat or Truffle test suite

ERC721 Contract: 1 ether = 1 token for network deployed on?

Implementing Uniswap v3 API single swap example on scaffold-eth - ERROR: cannot estimate gas

How to receive funds during minting to a specific address in solidity (Openzeppeling)?

Create two different instances of ERC-721 in the same smart contract

How can we send ether to payable function in solidity?

What is the benefit of using uncheked?

How does makeLog instruction function works in Ethereum virtual machine

How can I transfer ERC20 token by another smart contract?

How does assigning to `uint` save "storage read" costs in Ethereum?

svelte and web3- ReferenceError: process is not defined

How to transfer on truffle develop

Minting erc721 but paying with erc20 token instead of ether

Ethereum /BSC Smart Contract Question - Value Stuck in contract

Type uint256[1] memory is not implicitly convertible to expected type address[] storage ref

How do I change the msg.value for my smart contract?

Call chainlink from other smart contract?

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