cast index
NAME
cast-index - Compute the storage slot location for an entry in a mapping.
SYNOPSIS
cast index key_type key slot
DESCRIPTION
Compute the storage slot location for an entry in a mapping.
Use cast storage to get the value.
OPTIONS
Common Options
-h
--help
Prints help information.
EXAMPLES
// World.sol
mapping (address => uint256) public mapping1;
mapping (string => string) public mapping2;
- Compute the storage slot of an entry (
hello) in a mapping of typemapping(string => string), located at slot 1:>> cast index string "hello" 1 0x3556fc8e3c702d4479a1ab7928dd05d87508462a12f53307b5407c969223d1f8 >> cast storage [address] 0x3556fc8e3c702d4479a1ab7928dd05d87508462a12f53307b5407c969223d1f8 world