Node API Reference

new LocalNodeManager(config?: NodeConfig)

async start(): Promise<void>

const node = new LocalNodeManager()
await node.start()
console.log(`Node running at ${node.rpcUrl}`)

async stop(): Promise<void>

await node.stop()

getPort(): number | null

const port = node.getPort()
// Use port for configuration

async snapshot(): Promise<string>

const snapshotId = await node.snapshot()
// Make changes...
await node.revert(snapshotId)

async revert(snapshotId: string): Promise<void>

async reset(forkBlock?: bigint): Promise<void>

async mine(blocks = 1): Promise<void>

// Mine 10 blocks
await node.mine(10)

async setAutomine(enabled: boolean): Promise<void>

// Disable automine for manual control
await node.setAutomine(false)

async setNextBlockTimestamp(timestamp: number): Promise<void>

async increaseTime(seconds: number): Promise<void>

// Advance time by 1 day
await node.increaseTime(86400)

async setTime(timestamp: number): Promise<void>

async getAccounts(): Promise<string[]>

const accounts = await node.getAccounts()
console.log(`Available accounts: ${accounts.length}`)

async setBalance(address: string, balance: bigint): Promise<void>

await node.setBalance(
  "0x742d35Cc6634C0532925a3b844Bc9e7595f8fA65",
  parseEther("100")
)

async setNonce(address: string, nonce: number): Promise<void>

async impersonateAccount(address: string): Promise<void>

// Impersonate a whale address
await node.impersonateAccount("0xWhaleAddress")

async stopImpersonatingAccount(address: string): Promise<void>

async setCode(address: string, code: string): Promise<void>

async setStorageAt(
  address: string, 
  slot: string, 
  value: string
): Promise<void>

async setNextBlockBaseFeePerGas(fee: bigint): Promise<void>

async setMinGasPrice(price: bigint): Promise<void>

async setChainId(chainId: number): Promise<void>