Skip to content
On this page

setCode

Modifies the bytecode stored at an account's address.

Usage

ts
import { testClient } from './client'
 
await testClient.setCode({ 
  address: '0xe846c6fcf817734ca4527b28ccb4aea2b6663c79',
  bytecode: '0x60806040526000600355600019600955600c80546001600160a01b031916737a250d5630b4cf539739df...'
})
ts
import { createTestClient, http } from 'viem'
import { foundry } from 'viem/chains'

export const testClient = createTestClient({
  chain: foundry,
  mode: 'anvil',
  transport: http(), 
})

Parameters

address

The account address.

ts
await testClient.setCode({
  address: '0xe846c6fcf817734ca4527b28ccb4aea2b6663c79', 
  bytecode: '0x60806040526000600355600019600955600c80546001600160a01b031916737a250d5630b4cf539739df...'
})

bytecode

The stored bytecode.

ts
await testClient.setCode({
  address: '0xe846c6fcf817734ca4527b28ccb4aea2b6663c79',
  bytecode: '0x60806040526000600355600019600955600c80546001600160a01b031916737a250d5630b4cf539739df...' 
})

Released under the MIT License.