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SecretStore: do not update servers set until fully synchronized

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This commit is contained in:
Svyatoslav Nikolsky 2017-11-24 13:21:39 +03:00
parent 009e350fc7
commit 37973f9112
2 changed files with 14 additions and 5 deletions
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17
secret_store/src/key_server_set.rs
View File

@ -21,6 +21,7 @@ use futures::{future, Future};
use parking_lot::Mutex;
use ethcore::filter::Filter;
use ethcore::client::{Client, BlockChainClient, BlockId, ChainNotify};
use ethsync::SyncProvider;
use native_contracts::KeyServerSet as KeyServerSetContract;
use hash::keccak;
use bigint::hash::H256;
@ -56,6 +57,8 @@ pub struct OnChainKeyServerSet {
struct CachedContract {
/// Blockchain client.
client: Weak<Client>,
/// Sync provider.
sync: Weak<SyncProvider>,
/// Contract address.
contract_addr: Option<Address>,
/// Active set of key servers.
@ -63,8 +66,8 @@ struct CachedContract {
}
impl OnChainKeyServerSet {
pub fn new(client: &Arc<Client>, key_servers: BTreeMap<Public, NodeAddress>) -> Result<Arc<Self>, Error> {
let mut cached_contract = CachedContract::new(client, key_servers)?;
pub fn new(client: &Arc<Client>, sync: &Arc<SyncProvider>, key_servers: BTreeMap<Public, NodeAddress>) -> Result<Arc<Self>, Error> {
let mut cached_contract = CachedContract::new(client, sync, key_servers)?;
let key_server_contract_address = client.registry_address(KEY_SERVER_SET_CONTRACT_REGISTRY_NAME.to_owned());
// only initialize from contract if it is installed. otherwise - use default nodes
// once the contract is installed, all default nodes are lost (if not in the contract' set)
@ -95,9 +98,10 @@ impl ChainNotify for OnChainKeyServerSet {
}
impl CachedContract {
pub fn new(client: &Arc<Client>, key_servers: BTreeMap<Public, NodeAddress>) -> Result<Self, Error> {
pub fn new(client: &Arc<Client>, sync: &Arc<SyncProvider>, key_servers: BTreeMap<Public, NodeAddress>) -> Result<Self, Error> {
Ok(CachedContract {
client: Arc::downgrade(client),
sync: Arc::downgrade(sync),
contract_addr: None,
key_servers: key_servers.into_iter()
.map(|(p, addr)| {
@ -110,7 +114,12 @@ impl CachedContract {
}
pub fn update(&mut self, enacted: Vec<H256>, retracted: Vec<H256>) {
if let Some(client) = self.client.upgrade() {
if let (Some(client), Some(sync)) = (self.client.upgrade(), self.sync.upgrade()) {
// do not update initial server set until fully synchronized
if sync.status().is_syncing(client.queue_info()) {
return;
}
let new_contract_addr = client.registry_address(KEY_SERVER_SET_CONTRACT_REGISTRY_NAME.to_owned());
// new contract installed => read nodes set from the contract

2
secret_store/src/lib.rs
View File

@ -77,7 +77,7 @@ pub fn start(client: Arc<Client>, sync: Arc<SyncProvider>, self_key_pair: Arc<No
} else {
Arc::new(acl_storage::DummyAclStorage::default())
};
let key_server_set = key_server_set::OnChainKeyServerSet::new(&client, /*&sync, */config.cluster_config.nodes.clone())?; // TODO: return empty set until fully synced
let key_server_set = key_server_set::OnChainKeyServerSet::new(&client, &sync, config.cluster_config.nodes.clone())?; // TODO: return empty set until fully synced
let key_storage = Arc::new(key_storage::PersistentKeyStorage::new(&config)?);
let key_server = Arc::new(key_server::KeyServerImpl::new(&config.cluster_config, key_server_set.clone(), self_key_pair.clone(), acl_storage, key_storage.clone())?);
let cluster = key_server.cluster();