createMemoryClient

createMemoryClient(options?): Promise<MemoryClient>

A local EVM instance running in JavaScript. Similar to Anvil in your browser

Parameters

▪ options?: CreateEVMOptions= {}

Returns

Example

import { createMemoryClient } from "tevm"
import { createPublicClient, http } from "viem"
import { MyERC721 } from './MyERC721.sol'

const tevm = createMemoryClient({
  fork: {
    url: "https://mainnet.optimism.io",
  },
})

const address = '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045',

await tevm.runContractCall(
  MyERC721.write.mint({
    caller: address,
  }),
)

const balance = await tevm.runContractCall(
 MyERC721.read.balanceOf({
 caller: address,
 }),
 )
 console.log(balance) // 1n

Source

packages/memory-client/src/createMemoryClient.js:60

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