ChainOptions

ChainOptions: object

Options passed into createChain to initialize a Chain object

Type declaration

common

common: Common

A Common instance

fork?

optional fork: object

Optional fork config for forking a live chain

fork.blockTag?

optional blockTag: BlockTag | bigint | `0x${string}`

Optional block tag to fork Defaults to ‘latest’

fork.url

url: string

JSON-RPC url to fork

genesisBlock?

optional genesisBlock: Block

Override the genesis block. If fork is provided it will be fetched from fork. Otherwise a default genesis is provided.

genesisStateRoot?

optional genesisStateRoot: Uint8Array

loggingLevel?

optional loggingLevel: LogOptions["level"]

Logging level of blockchain package. Defaults to warn

Source

ChainOptions.ts:9