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This smart contract determines whether "The Merge" has already taken place or not.
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| // SPDX-License-Identifier: WTFPL | |
| pragma solidity 0.8.16; | |
| contract Merge { | |
| uint72 private constant _DIFFICULTY_THRESHOLD = 2**64; | |
| /** | |
| * @dev A difficulty value greater than `2**64` indicates that a transaction is | |
| * being executed in a PoS block. Also note that the `DIFFICULTY` opcode (0x44) | |
| * is renamed to `PREVRANDAO` post-merge. | |
| * | |
| * For further information, see here: https://eips.ethereum.org/EIPS/eip-4399. | |
| */ | |
| function merged() public view returns (bool) { | |
| return block.difficulty > _DIFFICULTY_THRESHOLD; | |
| } | |
| } |
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Official deployment address
0x17FEF0D05fFed818aF08AE00BeC06B65c4319618.