alias Bytes : []u8

data ServiceCreationResult:
    success: bool
    service_id: ?string
    error: ?string

data ReadFileResult:
    success: bool
    content: ?string
    error: ?string

data RemoveResult:
    success: bool
    error: ?string

alias ListServiceResult: []string

service Srv("single_module_srv"):
    -- Used to create a service on a certain node
    -- Arguments:
    --  bytes – a base64 string containing the .wasm module to add.
    -- Returns: service_id – the service ID of the created service.
    create(wasm_b64_content: string) -> ServiceCreationResult

    -- Used to remove a service from a certain node
    -- Arguments:
    --  service_id – ID of the service to remove
    remove(service_id: string) -> RemoveResult

    -- Returns a list of services ids running on a peer
    list() -> ListServiceResult