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Solidity API

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RelayBridgeFactory

Factory contract for deploying RelayBridge instances for different assets This factory deploys new RelayBridge contracts and maintains a registry of bridges by asset address

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HYPERLANE_MAILBOX

address HYPERLANE_MAILBOX
The Hyperlane mailbox address used for cross-chain messaging Immutable to ensure consistency across all deployed bridges

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bridgesByAsset

mapping(address => address[]) bridgesByAsset
Mapping from asset address to array of deployed bridge addresses Multiple bridges can exist for the same asset

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BridgeDeployed

event BridgeDeployed(address bridge, address asset, contract BridgeProxy proxyBridge)
Emitted when a new bridge is deployed

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Parameters

NameTypeDescription
bridgeaddressThe address of the newly deployed RelayBridge contract
assetaddressThe address of the asset that the bridge will handle
proxyBridgecontract BridgeProxyThe BridgeProxy contract associated with this bridge

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constructor

constructor(address hMailbox) public
Initializes the factory with the Hyperlane mailbox address The mailbox address cannot be changed after deployment

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Parameters

NameTypeDescription
hMailboxaddressThe address of the Hyperlane mailbox contract

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deployBridge

function deployBridge(address asset, contract BridgeProxy proxyBridge) public returns (address)
Deploys a new RelayBridge for a specific asset Creates a new RelayBridge instance and adds it to the bridgesByAsset mapping

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Parameters

NameTypeDescription
assetaddressThe address of the asset (token) that the bridge will handle
proxyBridgecontract BridgeProxyThe BridgeProxy contract that will work with this bridge

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Return Values

NameTypeDescription
[0]addressThe address of the newly deployed RelayBridge contract