the relationship of the objects from Guard's view FileStoreMeta (1:n) Contract (1:n) payoutcontract is the signed document between the renter and host for one shard's storage the contract information contains buyer, seller, escrow, guard , storage shard's information, rent duration, amount, payment method(periodically and times)ContractMeta is the information which will not be changed after proposalContract technically is the contract execution record, it contains the contractMeta and state information.

UnimplementedGuardServiceServer can be embedded to have forward compatible implementations.

GuardServiceClient is the client API for GuardService service.

GuardServiceServer is the server API for GuardService service.