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Prepare Polkadot to be used by Cumulus (#1697)

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* Prepare Polkadot to be used by Cumulus

This begins to make Polkadot usable from Cumulus.

* Remove old test

* Reset some changes

* More reverts

* MOARE

* Don't use `unimplemented!`
This commit is contained in:
Bastian Köcher
2020-09-16 23:29:34 +02:00
committed by GitHub
parent 2613ec66ca
commit 74261da964
9 changed files with 561 additions and 348 deletions
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polkadot/runtime/kusama/src/lib.rs
+29 -40
View File
@@ -24,9 +24,10 @@ use sp_std::prelude::*;
use sp_core::u32_trait::{_1, _2, _3, _4, _5};
use codec::{Encode, Decode};
use primitives::v1::{
AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment,
AccountId, AccountIndex, Balance, BlockNumber, Hash, Nonce, Signature, Moment, ValidatorId,
ValidatorIndex, CoreState, Id, CandidateEvent, ValidationData, OccupiedCoreAssumption,
CommittedCandidateReceipt, PersistedValidationData, GroupRotationInfo, ValidationCode,
};
use primitives::v0 as p_v0;
use runtime_common::{
dummy, claims, SlowAdjustingFeeUpdate,
impls::{CurrencyToVoteHandler, ToAuthor},
@@ -1048,54 +1049,42 @@ sp_api::impl_runtime_apis! {
}
}
// Dummy implementation to continue supporting old parachains runtime temporarily.
impl p_v0::ParachainHost<Block> for Runtime {
fn validators() -> Vec<p_v0::ValidatorId> {
// this is a compile-time check of size equality. note that we don't invoke
// the function and nothing here is unsafe.
let _ = core::mem::transmute::<p_v0::ValidatorId, AccountId>;
// Yes, these aren't actually the parachain session keys.
// It doesn't matter, but we shouldn't return a zero-sized vector here.
// As there are no parachains
Session::validators()
.into_iter()
.map(|k| k.using_encoded(|s| Decode::decode(&mut &s[..]))
.expect("correct size and raw-bytes; qed"))
.collect()
}
fn duty_roster() -> p_v0::DutyRoster {
let v = Session::validators();
p_v0::DutyRoster { validator_duty: (0..v.len()).map(|_| p_v0::Chain::Relay).collect() }
}
fn active_parachains() -> Vec<(p_v0::Id, Option<(p_v0::CollatorId, p_v0::Retriable)>)> {
impl primitives::v1::ParachainHost<Block, Hash, BlockNumber> for Runtime {
fn validators() -> Vec<ValidatorId> {
Vec::new()
}
fn global_validation_data() -> p_v0::GlobalValidationData {
p_v0::GlobalValidationData {
max_code_size: 1,
max_head_data_size: 1,
block_number: System::block_number().saturating_sub(1),
}
fn validator_groups() -> (Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>) {
(Vec::new(), GroupRotationInfo { session_start_block: 0, group_rotation_frequency: 0, now: 0 })
}
fn local_validation_data(_id: p_v0::Id) -> Option<p_v0::LocalValidationData> {
fn availability_cores() -> Vec<CoreState<BlockNumber>> {
Vec::new()
}
fn full_validation_data(_: Id, _: OccupiedCoreAssumption)
-> Option<ValidationData<BlockNumber>> {
None
}
fn parachain_code(_id: p_v0::Id) -> Option<p_v0::ValidationCode> {
fn persisted_validation_data(_: Id, _: OccupiedCoreAssumption)
-> Option<PersistedValidationData<BlockNumber>> {
None
}
fn get_heads(_extrinsics: Vec<<Block as BlockT>::Extrinsic>)
-> Option<Vec<p_v0::AbridgedCandidateReceipt>>
{
fn session_index_for_child() -> SessionIndex {
0
}
fn validation_code(_: Id, _: OccupiedCoreAssumption) -> Option<ValidationCode> {
None
}
fn signing_context() -> p_v0::SigningContext {
p_v0::SigningContext {
parent_hash: System::parent_hash(),
session_index: Session::current_index(),
}
fn candidate_pending_availability(_: Id) -> Option<CommittedCandidateReceipt<Hash>> {
None
}
fn downward_messages(_id: p_v0::Id) -> Vec<p_v0::DownwardMessage> {
fn candidate_events() -> Vec<CandidateEvent<Hash>> {
Vec::new()
}
}