Feat: added new checking logic for incoming heartbeats

go.mod

go.sum

packages/ca/constants.go

packages/ca/heartbeat/proto/heartbeat.proto

packages/ca/heartbeat_chain.go

packages/ca/heartbeat_manager.go

packages/ca/heartbeat_manager_events.go

packages/ca/heartbeat_manager_test.go

packages/ca/neighbor_manager.go

packages/ca/neighbor_manager_events.go

packages/ca/neighbor_manager_options.go

packages/ca/statement_chain.go

packages/ca/statement_chain_events.go