solidity: Simulated upgrade attack fix - #228
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| console.log(`Deployed new proposed implementation: ${newImplAddress}`); | ||
| } | ||
| const deployTx = await hre.upgrades.prepareUpgrade(args.address, Accounting, { |
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existing proxies report VERSION == 1, and this PR leaves the available version at 1, so the check above returns before this migration runs.
| if (args.outputSafe) { | ||
| const data = Accounting.interface.encodeFunctionData("upgradeToAndCall", [newImplAddress, "0x"]); | ||
| if (!args.outputSafe) { | ||
| const txProposeUpgrade = await (await current.proposeUpgrade(newImplAddress, 0)).wait(); |
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existing proxies do not implement proposeUpgrade, so the first migration reverts before UPUPS is installed? I suggest adding a legacy one-step bootstrap path and a test that starts from the master implementation. similarly below at 294.
uniyalabhishek
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Jul 31, 2026
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Implements #198 (Option 4):
UPUPSUpgradeablecontract that enforces a two-step upgradeTested on Sapphire Testnet with Safe: