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Parachain execution yields messages to send (#96)

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* read head-data directly out of WASM memory

* implement ext_post_message for parachain WASM

* further refactoring of the parachain module

* add externalities error type

* accumulate posted messages when validating parachain candidate

* define Extrinsic type in primitives

* availability-store: store extrinsic data

* compute extrinsic and check against candidate

* add some egress queue tests

* grumbles & substrate update

* ensure everything builds
This commit is contained in:
Robert Habermeier
2019-01-22 08:32:32 -03:00
committed by Gav Wood
parent 152bb30889
commit fe6351ca65
20 changed files with 876 additions and 219 deletions
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polkadot/test-parachains/adder/src/src
-1
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@@ -1 +0,0 @@
src
polkadot/test-parachains/adder/wasm/Cargo.toml
+1 -1
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@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
adder = { path = ".." }
polkadot-parachain = { path = "../../../parachain", default-features = false }
polkadot-parachain = { path = "../../../parachain", default-features = false, features = ["wasm-api"] }
wee_alloc = { version = "0.4.1" }
pwasm-libc = { version = "0.2" }
tiny-keccak = "1.4"
polkadot/test-parachains/adder/wasm/src/lib.rs
+4 -4
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@@ -23,13 +23,11 @@
)]
extern crate alloc;
extern crate wee_alloc;
extern crate pwasm_libc;
extern crate adder;
extern crate polkadot_parachain as parachain;
extern crate tiny_keccak;
// Define global allocator.
#[global_allocator]
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
@@ -56,7 +54,7 @@ pub fn oom(_: ::core::alloc::Layout) -> ! {
#[no_mangle]
pub extern fn validate(offset: usize, len: usize) -> usize {
let params = unsafe { ::parachain::load_params(offset, len) };
let params = unsafe { ::parachain::wasm_api::load_params(offset, len) };
let parent_head = HeadData::decode(&mut &params.parent_head[..])
.expect("invalid parent head format.");
@@ -66,7 +64,9 @@ pub extern fn validate(offset: usize, len: usize) -> usize {
let parent_hash = ::tiny_keccak::keccak256(&params.parent_head[..]);
match ::adder::execute(parent_hash, parent_head, &block_data) {
Ok(new_head) => parachain::write_result(ValidationResult { head_data: new_head.encode() }),
Ok(new_head) => parachain::wasm_api::write_result(
ValidationResult { head_data: new_head.encode() }
),
Err(_) => panic!("execution failure"),
}
}