data DBRecord:
    snapshot_id: u64
    event_address: string
    event_signature: string
    eip712_doc: string
    peer_id: string
    timestamp: u64
    eip_validation: bool
    ts_validation: bool
    signed_response: string

data DBResult:
    stderr: string
    stdout: []DBRecord

service EIPValidator("EIPValidator"):
    eip712_validation_string(eip_str: string, peer_id: string) -> string
    eip712_validation_url(eip_str: string, peer_id: string) -> string

service DataProvider("DataProvider"):
    get_records() -> DBResult
    get_record(snapshot_id: u64) -> DBResult
    get_record_count() -> u64
    clear_table(password: string) -> DBResult


func validate(eip712_url: string, node: string, relay:string) -> string:
    on node via relay:
        res <- EIPValidator.eip712_validation_url(eip712_url, node)
    <- res

func get_records(node: string, relay:string) -> DBResult:
    on node via relay:
        res <- DataProvider.get_records()
    <- res

func get_record(snapshot_id: u64, node: string, relay:string) -> DBResult:
    on node via relay:
        res <- DataProvider.get_record(snapshot_id)
    <- res

func get_record_count(node: string, relay:string) -> u64:
    on node via relay:
        res <- DataProvider.get_record_count()
    <- res

func delete_rows(password: string, node: string, relay:string) -> DBResult:
    on node via relay:
        result <- DataProvider.clear_table(password)
    <- result