Module sp_io::offchain[][src]

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)