Chain Configuration

The chain configuration defines the parameters for setting up medusa's underlying blockchain.

codeSizeCheckDisabled

  • Type: Boolean
  • Description: If true, the maximum code size check of 24576 bytes in go-ethereum is disabled.

    🚩 Setting codeSizeCheckDisabled to false is not recommended since it complicates the fuzz testing process.

  • Default: true

skipAccountChecks

  • Type: Boolean
  • Description: If true, account-related checks (nonce validation, transaction origin must be an EOA) are disabled in go-ethereum.

    🚩 Setting codeSizeCheckDisabled to false is not recommended since it complicates the fuzz testing process.

  • Default: true

Cheatcode Configuration

cheatCodesEnabled

  • Type: Boolean
  • Description: Determines whether cheatcodes are enabled.
  • Default: true

enableFFI

  • Type: Boolean
  • Description: Determines whether the ffi cheatcode is enabled.

    🚩 Enabling the ffi cheatcode may allow for arbitrary code execution on your machine.

  • Default: false

Fork Configuration

forkModeEnabled

  • Type: Boolean
  • Description: Determines whether fork mode is enabled
  • Default: false

rpcUrl

  • Type: String
  • Description: Determines the RPC URL that will be queried during fork mode.
  • Default: ""

rpcBlock

  • Type: Integer
  • Description: Determines the block height that fork state will be queried for. Block tags like LATEST are not supported yet.
  • Default: 1

poolSize

  • Type: Integer
  • Description: Determines the size of the client pool used to query the RPC. It is recommended to use a pool size
  • that is 2-3x the number of workers used, but smaller pools may be required to avoid exceeding external RPC query limits.
  • Default: 20