Provide a way to calculate the salted address of a contract

[chriseth]

See #2136 (comment):

Since we have type(Holder).creationCode, how about adding type(Holder).calculateSaltedAddress(salt) ?

[dmihal]

How about this:

type(Holder).calculateAddress{salt: bytes32(0), deployer: address(this)}(param1, param2);

[drortirosh]

How about this:

type(Holder).calculateAddress{salt: bytes32(0), deployer: address(this)}(param1, param2);

This would be great to have.
An alternate format (which requires deployer to be specified):

type(Holder).calculateAddress(bytes32(0), address(this),(param1, param2));

This syntax more resembles the "encodeCall" syntax.

But either implementation is FAR better to the current WORKAROUND implementation:

import "@openzeppelin/contracts/utils/Create2.sol";

return Create2.computeAddress(bytes32(salt), keccak256(abi.encodePacked(
                type(Holder).creationCode,
                abi.encode(param1, param2)
            )), address(this));

[github-actions]

This issue has been marked as stale due to inactivity for the last 90 days.
It will be automatically closed in 7 days.

[github-actions]

Hi everyone! This issue has been automatically closed due to inactivity.
If you think this issue is still relevant in the latest Solidity version and you have something to contribute, feel free to reopen.
However, unless the issue is a concrete proposal that can be implemented, we recommend starting a language discussion on the forum instead.