Crosschain broadcaster contract maintenance and keeping up to date

[pepebndc]

"Maintain core Crosschain Broadcaster (ERC-7888) contracts across priority chains and expansion of core contracts across emergent chains.

• Adapt BlockHashProver.sol (""Prover"") contracts if a priority chain materially alters its state conditions

• Update deployed BlockHashProverPointer.sol (""Pointer"") contracts controlled by Grant Recipient if a priority chain materially alters state conditions and requires a new Prover

• Facilitate and validate third party contributions of Prover contracts for new chains that emerge and existing chains that alter their state conditions

• Maintain registry of deployment addresses for Broadcaster contracts across all chains

• Ensure continuous compatibility between broadcaster and emergent OIF smart contract modules and solver tooling"