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XVSBridgeAdmin

XVSBridgeAdmin

XVSBridgeAdmin at token-bridge v2.7.0 is the transparent proxy that owns and administers the local source or destination bridge. Its implementation constructor fixes an immutable XVSBridge, so each network has a different implementation address even though all eight implementations match the same tagged source.

Network
Read block
Proxy
Implementation

BNB Chain

118369693

0x70d644877b7b73800E9073BCFCE981eAaB6Dbc21

0xb085926fa310b4af85B499162B96e30E5c0E6fAC

Ethereum

25846037

0x9C6C95632A8FB3A74f2fB4B7FfC50B003c992b96

0x83aBB808bb291FED8593e953c6489d29aFa0c5Ca

Arbitrum

498892235

0xf5d81C6F7DAA3F97A6265C8441f92eFda22Ad784

0xC57f35500f4F5B2B31c5250bF8BCcf8058835a9B

opBNB

178841988

0x52fcE05aDbf6103d71ed2BA8Be7A317282731831

0x0f0be7BAf4B9E394F91e5B8a17Fc9579f5d3c072

Optimism

156114325

0x3c307DF1Bf3198a2417d9CA86806B307D147Ddf7

0xc8A17E5394aeB0A0E227E0f27F922dc60300e80B

Base

50519042

0x6303FEcee7161bF959d65df4Afb9e1ba5701f78e

0x358691eB7CC06ac512d9068a71Ea3bc2893F50Ed

Unichain

57079073

0x2EAaa880f97C9B63d37b39b0b316022d93d43604

0xc6d8bBC659d0B3Beaca513a20218b1727Ef3DCE4

zkSync Era

71738687

0x2471043F05Cc41A6051dd6714DC967C7BfC8F902

0x21f8b24f48a3af53B9B597DbA1D7737e4D7aBa3B

The implementation inherits two-step ownership and AccessControlManager selectors. The transparent proxy adds proxy-admin upgrade selectors; those do not imply that a normal caller can upgrade it.

The XVSBridgeAdmin contract extends a parent contract AccessControlledV8 for access control, and it manages an external contract called XVSProxyOFT. It maintains a registry of function signatures and names, allowing for dynamic function handling i.e checking of access control of interaction with only owner functions.

Solidity API

XVSBridge

Returns the immutable bridge controlled by this implementation.

function XVSBridge() external view returns (contract IXVSProxyOFT)

initialize

Initializes proxy ownership and the AccessControlManager. The implementation disables initializers in its constructor.

functionRegistry

A mapping keeps track of function signature associated with function name string.

fallback

Invoked when called function does not exist in the contract.

Return Values

Name
Type
Description

[0]

bytes

Response of low level call.

⛔️ Access Requirements

  • Controlled by AccessControlManager.

setTrustedRemoteAddress

Sets trusted remote on particular chain.

Parameters

Name
Type
Description

remoteChainId_

uint16

Chain Id of the destination chain.

remoteAddress_

bytes

Address of the destination bridge.

⛔️ Access Requirements

  • Controlled by AccessControlManager.

❌ Errors

  • ZeroAddressNotAllowed is thrown when remoteAddress_ contract address is zero.

upsertSignature

A setter for the registry of functions that are allowed to be executed from proposals.

Parameters

Name
Type
Description

signatures_

string[]

Function signature to be added or removed.

active_

bool[]

bool value, should be true to add function.

📅 Events

  • Emits FunctionRegistryChanged if bool value of function changes.

⛔️ Access Requirements

  • Only owner.

transferBridgeOwnership

This function transfers the ownership of the bridge from this contract to new owner.

Parameters

Name
Type
Description

newOwner_

address

New owner of the XVS Bridge.

⛔️ Access Requirements

  • Controlled by AccessControlManager.

isTrustedRemote

Returns true if remote address is trustedRemote corresponds to chainId_.

Parameters

Name
Type
Description

remoteChainId_

uint16

Chain Id of the destination chain.

remoteAddress_

bytes

Address of the destination bridge.

Return Values

Name
Type
Description

[0]

bool

Bool indicating whether the remote chain is trusted or not.

❌ Errors

  • ZeroAddressNotAllowed is thrown when remoteAddress_ contract address is zero.

renounceOwnership

Empty implementation of renounce ownership to avoid any mishappening.

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