MemoryAndStorageViewer.sol

MemoryAndStorageViewer.sol

contract MemoryAndStorageViewer {
    
    uint256 storageVar1 = 23;
    bytes32 storageVar2 = 0x12345;
    uint8 storageVar3 = 55;
    uint8 storageVar4 = 123;
    
    function printStorage() 
        public
        view
    returns (
        bytes32 slot0,
        bytes32 slot1, 
        bytes32 slot2, 
        bytes32 slot3, 
        bytes32 slot4,
        bytes32 slot5, 
        bytes32 slot6, 
        bytes32 slot7, 
        bytes32 slot8,
        bytes32 slot9
    ) {
        assembly {
            slot0 := sload(0x000)
            slot1 := sload(0x020)
            slot2 := sload(0x040)
            slot3 := sload(0x060)
            slot4 := sload(0x080)
            slot5 := sload(0x0a0)
            slot6 := sload(0x0c0)
            slot7 := sload(0x0e0)
            slot8 := sload(0x100)
            slot9 := sload(0x120)
        }
    }
    
    function printMemory(
        bytes32 arg1, 
        bytes arg2,
        uint256 arg3
    ) 
        public
        view
    returns (
        bytes32 slot0,
        bytes32 slot1, 
        bytes32 slot2, 
        bytes32 slot3, 
        bytes32 slot4,
        bytes32 slot5, 
        bytes32 slot6, 
        bytes32 slot7, 
        bytes32 slot8,
        bytes32 slot9
    ) {
        uint var1 = 23;
        string memory var2 = "hello";
        uint256 var3 = 12345;

        assembly {
            slot0 := mload(0x000)
            slot1 := mload(0x020)
            slot2 := mload(0x040)
            slot3 := mload(0x060)
            slot4 := mload(0x080)
            slot5 := mload(0x0a0)
            slot6 := mload(0x0c0)
            slot7 := mload(0x0e0)
            slot8 := mload(0x100)
            slot9 := mload(0x120)
        }
    }
}