setBalance 
Modifies the balance of an account.
Usage 
ts
import { parseEther } from 'viem'
import { testClient } from './client'
 
await testClient.setBalance({ 
  address: '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
  value: parseEther('1')
})ts
import { createTestClient, http } from 'viem'
import { foundry } from 'viem/chains'
export const testClient = createTestClient({
  chain: foundry,
  mode: 'anvil',
  transport: http(), 
})Parameters 
address 
- Type: 
Address 
The address of the target account.
ts
await testClient.setBalance({
  address: '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC', 
  value: parseEther('1')
})value (optional) 
- Type: 
bigint 
The value (in wei) to set.
ts
await testClient.setBalance({
  address: '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
  value: 1000000000000000000n 
})