chore: Kl/merge-protocol-defense

[kelemeno]

What ❔

Why ❔

Checklist

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.

[github-actions]

Changes to gas cost

Generated at commit: d57c55365aa991b907805bbfb9b4d9f2f2773d7b, compared to commit: f33bcb79ffee6e065b210a22e69829b6271dbd6c

🧾 Summary (100% most significant diffs)

Contract	Method	Avg (+/-)	%
DummyBridgehubSetter	createNewChain requestL2TransactionDirect requestL2TransactionTwoBridges setAddresses setCTM setPendingAdmin setZKChain	+2,686 ❌ -992 ✅ +146 ❌ +9 ❌ -1 ✅ 0 ➖ -1 ✅	+2.55% -0.84% +0.10% +0.01% -0.00% 0.00% -0.00%
ChainAdmin	setUpgradeTimestamp	+179 ❌	+0.40%
DiamondProxy	finalizeEthWithdrawal requestL2Transaction	-117 ✅ +3 ❌	-0.15% +0.00%
TransparentUpgradeableProxy	allowAdminImplementation setAllowedData	+23 ❌ -11 ✅	+0.04% -0.02%
MerkleTest	calculateRoot(bytes32[],uint256,bytes32)	-1 ✅	-0.03%
TestnetERC20Token	transfer	-5 ✅	-0.01%
DummyChainTypeManagerWBH	setZKChain	+2 ❌	+0.00%

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Full diff report 👇

Contract	Deployment Cost (+/-)	Method	Min (+/-)	%	Avg (+/-)	%	Median (+/-)	%	Max (+/-)	%	# Calls (+/-)
DummyBridgehubSetter	4,347,343 (0)	addChainTypeManager admin createNewChain proveL1ToL2TransactionStatus proveL2LogInclusion proveL2MessageInclusion removeChainTypeManager requestL2TransactionDirect requestL2TransactionTwoBridges setAddresses setCTM setPendingAdmin setZKChain	23,895 (0) 435 (0) 31,665 (+2,980) 0 (0) 0 (0) 0 (0) 23,832 (0) 33,029 (-3) 31,023 (0) 24,336 (-12) 44,232 (0) 25,999 (-12) 111,339 (0)	0.00% 0.00% +10.39% +∞% +∞% +∞% 0.00% -0.01% 0.00% -0.05% 0.00% -0.05% 0.00%	44,146 (-2) 1,435 (-111) 108,142 (+2,686) 1,403 (+15) 1,518 (0) 1,581 (+1) 25,461 (+4) 117,286 (-992) 151,484 (+146) 66,070 (+9) 44,269 (-1) 47,720 (0) 111,376 (-1)	-0.00% -7.18% +2.55% +1.08% 0.00% +0.06% +0.02% -0.84% +0.10% +0.01% -0.00% 0.00% -0.00%	47,621 (0) 1,435 (-1,000) 36,509 (+12) 985 (0) 1,103 (-6) 1,191 (-3) 25,832 (0) 95,754 (-506) 59,257 (+12,027) 71,205 (0) 44,280 (-12) 49,885 (0) 111,387 (-12)	0.00% -41.07% +0.03% 0.00% -0.54% -0.25% 0.00% -0.53% +25.46% 0.00% -0.03% 0.00% -0.01%	47,621 (0) 2,435 (0) 878,037 (+4,736) 3,625 (-14) 3,873 (0) 4,069 (0) 26,244 (0) 298,307 (+1,448) 434,350 (-36) 91,345 (0) 44,292 (0) 49,897 (0) 111,399 (0)	0.00% 0.00% +0.54% -0.38% 0.00% 0.00% 0.00% +0.49% -0.01% 0.00% 0.00% 0.00% 0.00%	6,656 (0) 2,560 (+256) 2,560 (0) 512 (0) 512 (0) 512 (0) 2,048 (0) 1,024 (0) 1,535 (-1) 3,328 (0) 2,816 (0) 4,864 (0) 2,816 (0)
ChainAdmin	835,004 (0)	setUpgradeTimestamp	25,361 (0)	0.00%	45,247 (+179)	+0.40%	45,369 (+60)	+0.13%	45,645 (0)	0.00%	256 (0)
MailboxFacet	2,681,325 (0)	finalizeEthWithdrawal	8,251 (0)	0.00%	52,315 (-123)	-0.23%	52,735 (0)	0.00%	52,735 (0)	0.00%	257 (0)
DiamondProxy	2,405,277 (0)	finalizeEthWithdrawal requestL2Transaction util_setChainId	37,779 (0) 33,295 (0) 28,944 (0)	0.00% 0.00% 0.00%	79,637 (-117) 131,441 (+3) 33,777 (-5)	-0.15% +0.00% -0.01%	80,003 (+48) 170,048 (+24) 33,756 (0)	+0.06% +0.01% 0.00%	80,291 (0) 191,977 (0) 34,128 (0)	0.00% 0.00% 0.00%	257 (0) 771 (0) 519 (0)
TransparentUpgradeableProxy	644,375 (0)	allowAdminImplementation registerToken setAllowedData setSelectorIsValidated	54,663 (-12) 28,945 (0) 55,427 (0) 54,716 (0)	-0.02% 0.00% 0.00% 0.00%	54,916 (+23) 150,544 (+1) 56,481 (-11) 54,745 (+1)	+0.04% +0.00% -0.02% +0.00%	55,035 (0) 151,002 (0) 56,096 (+48) 54,764 (0)	0.00% 0.00% +0.09% 0.00%	55,035 (0) 158,133 (0) 58,247 (0) 54,764 (0)	0.00% 0.00% 0.00% 0.00%	258 (0) 881 (0) 257 (0) 258 (0)
MerkleTest	436,733 (0)	calculateRoot(bytes32[],uint256,bytes32)	571 (0)	0.00%	2,930 (-1)	-0.03%	2,982 (0)	0.00%	3,026 (-11)	-0.36%	265 (0)
AccessControlRestriction	1,357,213 (0)	grantRole setRequiredRoleForCall setRequiredRoleForFallback	51,277 (0) 24,360 (0) 24,219 (0)	0.00% 0.00% 0.00%	51,514 (+11) 45,729 (-3) 45,240 (+3)	+0.02% -0.01% +0.01%	51,649 (0) 49,094 (0) 48,444 (0)	0.00% 0.00% 0.00%	51,649 (0) 54,114 (0) 53,925 (0)	0.00% 0.00% 0.00%	1,024 (0) 1,536 (0) 1,536 (0)
TestnetERC20Token	640,427 (0)	approve mint transfer	24,272 (0) 34,031 (0) 46,377 (0)	0.00% 0.00% 0.00%	46,256 (+4) 61,796 (+3) 46,723 (-5)	+0.01% +0.00% -0.01%	46,220 (0) 68,255 (0) 46,653 (-24)	0.00% 0.00% -0.05%	46,568 (0) 68,615 (0) 46,977 (0)	0.00% 0.00% 0.00%	1,527 (0) 1,704 (0) 257 (0)
MerkleTreeNoSort	534,636 (0)	getProof	2,594 (0)	0.00%	32,739 (+2)	+0.01%	33,193 (0)	0.00%	33,215 (0)	0.00%	277 (0)
DummyChainTypeManagerWBH	3,816,972 (0)	setZKChain	44,101 (0)	0.00%	44,140 (+2)	+0.00%	44,161 (+12)	+0.03%	44,161 (0)	0.00%	256 (0)
TestPermanentRestriction	1,423,411 (0)	setAllowedData	26,818 (0)	0.00%	27,264 (-1)	-0.00%	27,089 (0)	0.00%	27,902 (0)	0.00%	257 (0)
L1NativeTokenVault	3,442,372 (0)	bridgeBurn	12,777 (0)	0.00%	89,726 (+3)	+0.00%	105,981 (0)	0.00%	105,981 (0)	0.00%	1,299 (0)

[kelemeno]

Closing, as we don't want to switch to foundry now, and merging will just cause merge issues in the future