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implement parachain_key

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Robert Habermeier
2019-02-01 20:45:30 -03:00
parent 6397c786ff
commit 303a1c37f9
2 changed files with 412 additions and 242 deletions
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cumulus/consensus/src/lib.rs
+8 -3
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@@ -24,7 +24,7 @@ use polkadot_primitives::parachain::{Id as ParaId, ParachainHost};
use futures::prelude::*;
use futures::stream;
use parity_codec::Decode;
use parity_codec::{Encode, Decode};
use log::warn;
use std::sync::Arc;
@@ -148,8 +148,13 @@ impl<B, E, Block, RA> LocalClient for Client<B, E, Block, RA> where
}
}
fn parachain_key(_para_id: ParaId) -> substrate_primitives::storage::StorageKey {
unimplemented!()
fn parachain_key(para_id: ParaId) -> substrate_primitives::storage::StorageKey {
const PREFIX: &[u8] = &b"Parachains Heads";
para_id.using_encoded(|s| {
let mut v = PREFIX.to_vec();
v.extend(s);
substrate_primitives::storage;:StorageKey(v)
})
}
impl<B, E, RA> PolkadotClient for Arc<Client<B, E, PBlock, RA>> where