Registry

The registry is a contract deployed on L1, that contains addresses for the Rollup. It also keeps track of the different versions that have been deployed and let you query prior deployments easily.

Links: Interface (GitHub link), Implementation (GitHub link).

numberOfVersions()

Retrieves the number of versions that have been deployed.

registry_number_of_versions

function numberOfVersions() external view returns (uint256);

^{_{Source code: l1-contracts/src/governance/interfaces/IRegistry.sol#L22-L24}}

Name	Description
ReturnValue	The number of versions that have been deployed

getCanonicalRollup()

Retrieves the current rollup contract.

registry_get_canonical_rollup

function getCanonicalRollup() external view returns (IRollup);

^{_{Source code: l1-contracts/src/governance/interfaces/IRegistry.sol#L14-L16}}

Name	Description
ReturnValue	The current rollup

getRollup(uint256 _version)

Retrieves the rollup contract for a specfic version.

registry_get_rollup

function getRollup(uint256 _chainId) external view returns (IRollup);

^{_{Source code: l1-contracts/src/governance/interfaces/IRegistry.sol#L18-L20}}

Name	Description
ReturnValue	The current rollup