code: func (ec *EthereumClient) GetPendingStorageAt(ctx *Context, account *Address, key *Hash) (storage []byte, _ error) {
  	return ec.client.PendingStorageAt(ctx.context, account.address, key.hash)
  }
docs: // GetPendingStorageAt returns the value of key in the contract storage of the given account in the pending state.