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Offchain-worker APIs stubs (#2615)

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* WiP: HTTP Apis.

* Working on the API.

* Add docs, clean up the API.

* Expose ext_ stuff as well.

* Implement HTTP helpers for offchain sr-io.

* Remove HTTP stuff.

* Revert "Remove HTTP stuff."

This reverts commit 7cca029d6ae93c5849b50edfcc6d2c313ba3e5bf.

* HTTP apis.

* Additional offchain methods.

* Make it compile.

* Implement wasm-ext boundary of offchain methods.

* Add stubs for offchain stuff to prevent panics.

* Fix tests.

* Addres some more issues.

* Introduce typedef, use unsafe from_utf8

* Bump runtime version.

* Introduce error to distinguish deadline and io errors.

* Add local_storage_cas

* Some tests for offchain stuff.

* Address more grumbles.

* Fix tests compilation.

* Fix borked merge.

* Improve docs for expected return values from ext functions.

* Adding new sign/enrypt/decrypt APIs.
This commit is contained in:
Tomasz Drwięga
2019-05-31 09:33:44 +02:00
committed by Gavin Wood
parent 80b18c8531
commit 308ab4f269
26 changed files with 2648 additions and 120 deletions
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substrate/core/state-machine/src/ext.rs
+7 -13
View File
@@ -20,8 +20,9 @@ use std::{error, fmt, cmp::Ord};
use log::warn;
use crate::backend::Backend;
use crate::changes_trie::{Storage as ChangesTrieStorage, compute_changes_trie_root};
use crate::{Externalities, OverlayedChanges, OffchainExt, ChildStorageKey};
use crate::{Externalities, OverlayedChanges, ChildStorageKey};
use hash_db::Hasher;
use primitives::offchain;
use primitives::storage::well_known_keys::is_child_storage_key;
use trie::{MemoryDB, TrieDBMut, TrieMut, default_child_trie_root};
@@ -91,7 +92,7 @@ where
H: Hasher,
B: 'a + Backend<H>,
T: 'a + ChangesTrieStorage<H, N>,
O: 'a + OffchainExt,
O: 'a + offchain::Externalities,
H::Out: Ord + 'static,
N: crate::changes_trie::BlockNumber,
{
@@ -145,7 +146,7 @@ where
H: Hasher,
B: 'a + Backend<H>,
T: 'a + ChangesTrieStorage<H, N>,
O: 'a + OffchainExt,
O: 'a + offchain::Externalities,
N: crate::changes_trie::BlockNumber,
{
pub fn storage_pairs(&self) -> Vec<(Vec<u8>, Vec<u8>)> {
@@ -167,7 +168,7 @@ where
H: Hasher,
B: 'a + Backend<H>,
T: 'a + ChangesTrieStorage<H, N>,
O: 'a + OffchainExt,
O: 'a + offchain::Externalities,
H::Out: Ord + 'static,
N: crate::changes_trie::BlockNumber,
{
@@ -342,15 +343,8 @@ where
Ok(root)
}
fn submit_extrinsic(&mut self, extrinsic: Vec<u8>) -> Result<(), ()> {
let _guard = panic_handler::AbortGuard::new(true);
if let Some(ext) = self.offchain_externalities.as_mut() {
ext.submit_extrinsic(extrinsic);
Ok(())
} else {
warn!("Call to submit_extrinsic without offchain externalities set.");
Err(())
}
fn offchain(&mut self) -> Option<&mut offchain::Externalities> {
self.offchain_externalities.as_mut().map(|x| &mut **x as _)
}
}