Proxy upgraded: ZKsync Era Bridgehub proxy TransparentUpgradeableProxy.sol

Detected	2026-11-03 10:08 UTC · block 26333579
Chain	Ethereum
Contract	Bridgehub proxy TransparentUpgradeableProxy.sol `0x303a465b659cbb0ab36ee643ea362c509eeb5213`
Event	`Upgraded(address)`
Before	`0xc894…c24b`
After	`0x1ea8…5beb`
Transaction	`0x2b77…da50`

What changed

Old implementation	`0xc894…c24b` Bridgehub (verified)
New implementation	`0x1ea8…5beb` L1Bridgehub 0.8.28+commit.7893614a (verified, match)
Source files	25 changed, 39 added, 10 removed
Functions added	`__DEPRECATED_migrationPaused()`, `chainRegistrationSender()`, `forwardedBridgeConfirmTransferResult(uint256,uint8)`, `forwardedBridgeMint(bytes32,uint256,tuple)`, `setAddresses(address,address,address,address,address)`, `setAddressesV31(address)`, `setSettlementLayerStatus(uint256,bool)`
Functions removed	`forwardTransactionOnGateway(uint256,bytes32,uint64)`, `forwardedBridgeMint(bytes32,uint256,bytes32)`, `forwardedBridgeRecoverFailedTransfer(uint256)`, `initializeV2()`, `migrationPaused()`, `pauseMigration()`, `registerLegacyChain(uint256)`, `registerSettlementLayer(uint256,bool)`, `setAddresses(address,address,address,address)`, `setChainAssetHandler(address)`, `unpauseMigration()`

Changed files

contracts/bridge/asset-router/IAssetRouterBase.sol
contracts/bridge/asset-router/IL1AssetRouter.sol
contracts/bridge/interfaces/IL1ERC20Bridge.sol
contracts/bridge/interfaces/IL1Nullifier.sol
contracts/bridge/ntv/IL1NativeTokenVault.sol
contracts/common/Config.sol
contracts/common/L1ContractErrors.sol
contracts/common/Messaging.sol
contracts/common/l2-helpers/L2ContractAddresses.sol
contracts/common/libraries/DataEncoding.sol
contracts/common/libraries/DynamicIncrementalMerkle.sol
contracts/common/libraries/Merkle.sol
contracts/state-transition/IChainTypeManager.sol
contracts/state-transition/L1StateTransitionErrors.sol
contracts/state-transition/chain-deps/ZKChainStorage.sol
contracts/state-transition/chain-interfaces/IAdmin.sol
contracts/state-transition/chain-interfaces/IExecutor.sol
contracts/state-transition/chain-interfaces/IGetters.sol
contracts/state-transition/chain-interfaces/IMailbox.sol
contracts/state-transition/chain-interfaces/IMailboxImpl.sol
contracts/state-transition/chain-interfaces/IZKChain.sol
contracts/state-transition/libraries/Diamond.sol
contracts/state-transition/libraries/PriorityQueue.sol
contracts/state-transition/libraries/PriorityTree.sol
contracts/vendor/AddressAliasHelper.sol
../system-contracts/contracts/Constants.sol
contracts/bridge/L1BridgeContractErrors.sol
contracts/bridge/asset-router/IAssetRouterShared.sol
contracts/bridge/asset-router/IL2AssetRouter.sol
contracts/bridge/asset-tracker/AssetTrackerErrors.sol
contracts/bridge/asset-tracker/IAssetTrackerDataEncoding.sol
contracts/bridge/asset-tracker/IGWAssetTracker.sol
contracts/bridge/asset-tracker/IL1AssetTracker.sol
contracts/bridge/asset-tracker/IL2AssetTracker.sol
contracts/bridge/interfaces/IAssetHandler.sol
contracts/bridge/interfaces/IBaseTokenAssetHandler.sol
contracts/bridge/interfaces/IL1CrossChainSender.sol
contracts/bridge/interfaces/IL2CrossChainSender.sol
contracts/bridge/ntv/IL2NativeTokenVault.sol
contracts/bridge/ntv/INativeTokenVaultBase.sol
contracts/common/interfaces/IL2ContractDeployer.sol
contracts/common/interfaces/IMessageVerification.sol
contracts/common/interfaces/ISystemContext.sol
contracts/common/l2-helpers/IBaseToken.sol
contracts/common/l2-helpers/IL2ToL1MessengerEra.sol
contracts/common/l2-helpers/L2ContractInterfaces.sol
contracts/common/libraries/UnsafeBytes.sol
contracts/core/bridgehub/BridgehubBase.sol
contracts/core/bridgehub/IBridgehubBase.sol
contracts/core/bridgehub/IL1Bridgehub.sol
contracts/core/bridgehub/L1Bridgehub.sol
contracts/core/bridgehub/L1BridgehubErrors.sol
contracts/core/chain-asset-handler/IChainAssetHandler.sol
contracts/core/ctm-deployment/ICTMDeploymentTracker.sol
contracts/core/message-root/IMessageRoot.sol
contracts/interop/IInteropCenter.sol
contracts/interop/IInteropHandler.sol
contracts/interop/IL2InteropRootStorage.sol
contracts/l2-system/interfaces/IBaseTokenHolder.sol
contracts/state-transition/chain-interfaces/IChainUpgrader.sol
contracts/state-transition/chain-interfaces/ICommitter.sol
contracts/state-transition/chain-interfaces/IMailboxLegacy.sol
contracts/state-transition/chain-interfaces/IMigrator.sol
lib/openzeppelin-contracts-v4/contracts/token/ERC20/IERC20.sol

Sources: old · new (Sourcify)