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Persistent Local Storage for offchain workers. (#2894)

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* WiP.

* Implement offchain storage APIs.

* Change compare_and_set to return bool.

* Add offchain http test.

* Fix tests.

* Bump spec version.

* Fix warnings and test.

* Fix compilation.

* Remove unused code.

* Introduce Local (fork-aware) and Persistent storage.

* Fix borked merge.

* Prevent warning on depreacated client.backend

* Fix long lines.

* Clean up dependencies.

* Update core/primitives/src/offchain.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update core/primitives/src/offchain.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>
This commit is contained in:
Tomasz Drwięga
2019-07-02 20:11:06 +02:00
committed by Gavin Wood
parent 24aa882ebc
commit 2217c1e9a1
26 changed files with 726 additions and 118 deletions
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substrate/core/executor/wasm/src/lib.rs
+38 -5
View File
@@ -1,9 +1,7 @@
#![no_std]
#![cfg_attr(feature = "strict", deny(warnings))]
extern crate alloc;
use alloc::vec::Vec;
use alloc::slice;
use rstd::{slice, vec::Vec, vec};
use runtime_io::{
set_storage, storage, clear_prefix, print, blake2_128, blake2_256,
@@ -11,7 +9,7 @@ use runtime_io::{
};
macro_rules! impl_stubs {
( $( $new_name:ident => $invoke:expr ),* ) => {
( $( $new_name:ident => $invoke:expr, )* ) => {
$(
impl_stubs!(@METHOD $new_name => $invoke);
)*
@@ -134,7 +132,42 @@ impl_stubs!(
Err(sandbox::Error::OutOfBounds) => 3,
};
[code].to_vec()
}
},
test_offchain_local_storage => |_| {
let kind = substrate_primitives::offchain::StorageKind::PERSISTENT;
assert_eq!(runtime_io::local_storage_get(kind, b"test"), None);
runtime_io::local_storage_set(kind, b"test", b"asd");
assert_eq!(runtime_io::local_storage_get(kind, b"test"), Some(b"asd".to_vec()));
let res = runtime_io::local_storage_compare_and_set(kind, b"test", b"asd", b"");
assert_eq!(res, true);
assert_eq!(runtime_io::local_storage_get(kind, b"test"), Some(b"".to_vec()));
[0].to_vec()
},
test_offchain_http => |_| {
use substrate_primitives::offchain::HttpRequestStatus;
let run = || -> Option<()> {
let id = runtime_io::http_request_start("POST", "http://localhost:12345", &[]).ok()?;
runtime_io::http_request_add_header(id, "X-Auth", "test").ok()?;
runtime_io::http_request_write_body(id, &[1, 2, 3, 4], None).ok()?;
runtime_io::http_request_write_body(id, &[], None).ok()?;
let status = runtime_io::http_response_wait(&[id], None);
assert!(status == vec![HttpRequestStatus::Finished(200)], "Expected Finished(200) status.");
let headers = runtime_io::http_response_headers(id);
assert_eq!(headers, vec![(b"X-Auth".to_vec(), b"hello".to_vec())]);
let mut buffer = vec![0; 64];
let read = runtime_io::http_response_read_body(id, &mut buffer, None).ok()?;
assert_eq!(read, 3);
assert_eq!(&buffer[0..read], &[1, 2, 3]);
let read = runtime_io::http_response_read_body(id, &mut buffer, None).ok()?;
assert_eq!(read, 0);
Some(())
};
[if run().is_some() { 0 } else { 1 }].to_vec()
},
);
fn execute_sandboxed(code: &[u8], args: &[sandbox::TypedValue]) -> Result<sandbox::ReturnValue, sandbox::HostError> {