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Feb 14, 2022 · I was wondering how can I use ethers.js to listen to MetaMask events like accountsChanged and chainChanged instead of ethereum.on? I already set my ether.js provider with window.ethereum. This is w...
Oct 28, 2022 · In the answer provided you will fork the mumbai network and have the chainId set to 7545. Even though the network is named hardhat it is still a fork of mumbai. to run the script on the forked mumbai just run: npx hardhat run PATH_TO_SCRIPT --network hardhat. – Christian Dahdah.
Nov 5, 2021 · There are a few ways to get the network/chain name/id. We are going to assume you are in a script that you'd like to run, or a test.
Mar 29, 2019 · The signed transaction got v = chained_id * 2 + 35 or chained_id * 2 + 36 that's the valid v from spurious dragon hard fork, the previous v = 27 and v = 28 is also valid. The chain_id indentify which blockchain you are using ( chain_id = 1 for ethereum mainnet chain_id = 2 for ethereum testnet and so on, for full chain_id check this wrbsite ...
Dec 29, 2022 · Okay so as per your comment you do have a standalone hardhat network started with : hh node Which will default in the network setup on 127.0.0.1:8545 with chainId: 31337
Jun 24, 2022 · i'm trying to deploy a simple smart contract with node-js on a ganache-GUI but i keep getting this Error: chainId address mismatch; may chainId is the same as the networkId in the ganache app witch...
The EVM is the protocol that governs the interpretation of the transactions contained in the log. The protocol is sufficient in scope to enable embedding contracts in specially crafted transactions. The contracts are written in a simple machine code (bytecode) and the protocol covers how to interpret them. So, the transaction history chronicles ...
Jul 19, 2019 · Jul 21, 2019 at 17:58. Contracts are not aware of the call context, they cannot know if they have more than one ancestor in the call chain (they can check tx.origin != msg.sender). You have codecall and delegatecall that change msg.sender but otherwise they do not affect the call context. – Ismael ♦.
May 22, 2023 · I'm trying to understand the "getAmountsOut" function from Uniswap / Pancakeswap, line by line: // performs chained getAmountOut calculations on any number of pairs. function getAmountsOut(address factory, uint amountIn, address[] memory path) internal view returns (uint[] memory amounts) {.
Jun 27, 2018 at 7:03. @Cyberience yes, Merkle trees are still being used today (Sep 2023, post-Merge). But Merkle trees will be replaced by Verkle trees during The Verge. Refer to this blog post for more info on Verkle trees. – Paul Razvan Berg.
