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How many slots does storing a contract take?

Like for example:

contract MyContract {
   MyContract2 x;

   //more code
}

contract MyContract2 {
   //some code
}

How many slots does "x" take?

1 Answer 1

3

The state variable of a contract holds the address of that contract. So from storage perspective it is equivalent to:

contract MyContract {
   address x;
}

And the address is 20 bytes.

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