Module sp_io::offchain

Interface that provides functions to access the offchain functionality.

These functions are being made available to the runtime and are called by the runtime.

Structs

HostFunctions

Provides implementations for the extern host functions.

Functions

http_request_add_header	Append header to the request.
http_request_start	Initiates a http request given HTTP verb and the URL.
http_request_write_body	Write a chunk of request body.
http_response_headers	Read all response headers.
http_response_read_body	Read a chunk of body response to given buffer.
http_response_wait	Block and wait for the responses for given requests.
is_validator	Returns if the local node is a potential validator.
local_storage_clear	Remove a value from the local storage.
local_storage_compare_and_set	Sets a value in the local storage if it matches current value.
local_storage_get	Gets a value from the local storage.
local_storage_set	Sets a value in the local storage.
network_state	Returns information about the local node's network state.
random_seed	Returns a random seed.
set_authorized_nodes	Set the authorized nodes and authorized_only flag.
sleep_until	Pause the execution until deadline is reached.
submit_transaction	Submit an encoded transaction to the pool.
timestamp	Returns current UNIX timestamp (in millis)