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Results tagged with web3js
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user 143193
Javascript API and library for Ethereum To develop applications on Ethereum, you can use the web3 object provided by the web3.js library. Under the hood it communicates to a local node through RPC calls. web3.js works with any Ethereum node, which exposes an RPC layer. https://github.com/ethereum/wiki/wiki/JavaScript-API
1
vote
1
answer
33
views
Using quoter to estimate price impact for UniswapV3 Pools
I'm currently trying to retrieve the price impact of a swap on a UniswapV3 pool. Uniswap itself seems to suggest the use of its quoter contract.
I see that the quoter contract has the "quoting" functi …
- 13
0
votes
1
answer
26
views
Permit2 Invalid Nonce when running on Hardhat
I'm writing tests for an application that is meant to perform swaps. When running with hardhat as rpc forked with the latest block of mainnet or a pinned block I always encounter this error:
response …
- 13
0
votes
Accepted
Permit2 Invalid Nonce when running on Hardhat
Apparently setting a fixed chain id solves it.
Using the following config made the trick:
module.exports = {
solidity: "0.8.17",
networks: {
hardhat: {
forking: {
url: "RPC",
…
- 13