Fetch and place in updates path.

ethcore/light/src/provider.rs

@@ -20,7 +20,7 @@
 use ethcore::blockchain_info::BlockChainInfo;
 use ethcore::client::{BlockChainClient, ProvingBlockChainClient};
 use ethcore::transaction::SignedTransaction;
-use ethcore::ids::BlockID;
+use ethcore::ids::BlockId;
 
 use util::{Bytes, H256};
 
@@ -96,7 +96,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 		let best_num = self.chain_info().best_block_number;
 		let start_num = req.block_num;
 
-		match self.block_hash(BlockID::Number(req.block_num)) {
+		match self.block_hash(BlockId::Number(req.block_num)) {
 			Some(hash) if hash == req.block_hash => {}
 			_=> {
 				trace!(target: "les_provider", "unknown/non-canonical start block in header request: {:?}", (req.block_num, req.block_hash));
@@ -108,7 +108,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 			.map(|x: u64| x.saturating_mul(req.skip))
 			.take_while(|x| if req.reverse { x < &start_num } else { best_num - start_num < *x })
 			.map(|x| if req.reverse { start_num - x } else { start_num + x })
-			.map(|x| self.block_header(BlockID::Number(x)))
+			.map(|x| self.block_header(BlockId::Number(x)))
 			.take_while(|x| x.is_some())
 			.flat_map(|x| x)
 			.collect()
@@ -116,7 +116,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 
 	fn block_bodies(&self, req: request::Bodies) -> Vec<Bytes> {
 		req.block_hashes.into_iter()
-			.map(|hash| self.block_body(BlockID::Hash(hash)))
+			.map(|hash| self.block_body(BlockId::Hash(hash)))
 			.map(|body| body.unwrap_or_else(|| ::rlp::EMPTY_LIST_RLP.to_vec()))
 			.collect()
 	}
@@ -135,8 +135,8 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 
 		for request in req.requests {
 			let proof = match request.key2 {
-				Some(key2) => self.prove_storage(request.key1, key2, request.from_level, BlockID::Hash(request.block)),
-				None => self.prove_account(request.key1, request.from_level, BlockID::Hash(request.block)),
+				Some(key2) => self.prove_storage(request.key1, key2, request.from_level, BlockId::Hash(request.block)),
+				None => self.prove_account(request.key1, request.from_level, BlockId::Hash(request.block)),
 			};
 
 			let mut stream = RlpStream::new_list(proof.len());
@@ -153,7 +153,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 	fn contract_code(&self, req: request::ContractCodes) -> Vec<Bytes> {
 		req.code_requests.into_iter()
 			.map(|req| {
-				self.code_by_hash(req.account_key, BlockID::Hash(req.block_hash))
+				self.code_by_hash(req.account_key, BlockId::Hash(req.block_hash))
 			})
 			.collect()
 	}

ethcore/src/client/client.rs

@@ -1445,19 +1445,19 @@ impl MayPanic for Client {
 }
 
 impl ProvingBlockChainClient for Client {
-	fn prove_storage(&self, key1: H256, key2: H256, from_level: u32, id: BlockID) -> Vec<Bytes> {
+	fn prove_storage(&self, key1: H256, key2: H256, from_level: u32, id: BlockId) -> Vec<Bytes> {
 		self.state_at(id)
 			.and_then(move |state| state.prove_storage(key1, key2, from_level).ok())
 			.unwrap_or_else(Vec::new)
 	}
 
-	fn prove_account(&self, key1: H256, from_level: u32, id: BlockID) -> Vec<Bytes> {
+	fn prove_account(&self, key1: H256, from_level: u32, id: BlockId) -> Vec<Bytes> {
 		self.state_at(id)
 			.and_then(move |state| state.prove_account(key1, from_level).ok())
 			.unwrap_or_else(Vec::new)
 	}
 
-	fn code_by_hash(&self, account_key: H256, id: BlockID) -> Bytes {
+	fn code_by_hash(&self, account_key: H256, id: BlockId) -> Bytes {
 		self.state_at(id)
 			.and_then(move |state| state.code_by_address_hash(account_key).ok())
 			.and_then(|x| x)

ethcore/src/client/config.rs

@@ -71,8 +71,6 @@ impl FromStr for DatabaseCompactionProfile {
 pub enum UpdateFilter {
 	/// All releases following the same track.
 	All,
-	/// Only those of the same minor version potentially changing tracks.
-	Patch,
 	/// As with `All`, but only those which are known to be critical. 
 	Critical,
 	/// None.

ethcore/src/client/traits.rs

@@ -285,15 +285,15 @@ pub trait ProvingBlockChainClient: BlockChainClient {
 	/// Returns a vector of raw trie nodes (in order from the root) proving the storage query.
 	/// Nodes after `from_level` may be omitted.
 	/// An empty vector indicates unservable query.
-	fn prove_storage(&self, key1: H256, key2: H256, from_level: u32, id: BlockID) -> Vec<Bytes>;
+	fn prove_storage(&self, key1: H256, key2: H256, from_level: u32, id: BlockId) -> Vec<Bytes>;
 
 	/// Prove account existence at a specific block id.
 	/// The key is the keccak hash of the account's address.
 	/// Returns a vector of raw trie nodes (in order from the root) proving the query.
 	/// Nodes after `from_level` may be omitted.
 	/// An empty vector indicates unservable query.	
-	fn prove_account(&self, key1: H256, from_level: u32, id: BlockID) -> Vec<Bytes>;
+	fn prove_account(&self, key1: H256, from_level: u32, id: BlockId) -> Vec<Bytes>;
 
 	/// Get code by address hash.
-	fn code_by_hash(&self, account_key: H256, id: BlockID) -> Bytes;
+	fn code_by_hash(&self, account_key: H256, id: BlockId) -> Bytes;
 }

ethcore/src/client/updater.rs

@@ -15,11 +15,12 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::sync::{Weak};
+use std::{fs, env};
 use std::path::PathBuf;
-use util::misc::{VersionInfo, ReleaseTrack, platform};
+use util::misc::{VersionInfo, ReleaseTrack/*, platform*/};
 use util::{Address, H160, H256, FixedHash, Mutex};
 use client::operations::Operations;
-use client::{Client, UpdatePolicy, BlockId};
+use client::{Client, UpdatePolicy, UpdateFilter, BlockId};
 use fetch::HashFetch;
 use fetch;
 
@@ -44,7 +45,7 @@ pub struct Updater {
 	fetch: Weak<HashFetch>,
 	operations: Operations,
 	update_policy: UpdatePolicy,
-	fetching: Mutex<bool>,
+	fetching: Mutex<Option<ReleaseInfo>>,
 
 	// These don't change
 	pub this: VersionInfo,
@@ -52,10 +53,16 @@ pub struct Updater {
 
 	// This does change
 	pub latest: Option<OperationsInfo>,
+	pub ready: Option<ReleaseInfo>,
+
 }
 
 const CLIENT_ID: &'static str = "parity";
 
+fn platform() -> String {
+	"test".to_owned()
+}
+
 impl Updater {
 	pub fn new(client: Weak<Client>, fetch: Weak<fetch::Client>, operations: Address, update_policy: UpdatePolicy) -> Self {
 		let mut u = Updater {
@@ -63,10 +70,11 @@ impl Updater {
 			fetch: fetch.clone(),
 			operations: Operations::new(operations, move |a, d| client.upgrade().ok_or("No client!".into()).and_then(|c| c.call_contract(a, d))),
 			update_policy: update_policy,
-			fetching: Mutex::new(false),
+			fetching: Mutex::new(None),
 			this: VersionInfo::this(),
 			this_fork: None,
 			latest: None,
+			ready: None,
 		};
 
 		u.this_fork = u.operations.release(CLIENT_ID, &u.this.hash.into()).ok()
@@ -95,16 +103,26 @@ impl Updater {
 
 	/// The release which is ready to be upgraded to, if any. If this returns `Some`, then
 	/// `execute_upgrade` may be called.
-	pub fn upgrade_ready(&self) -> Option<VersionInfo> {
-		unimplemented!()
+	pub fn upgrade_ready(&self) -> Option<ReleaseInfo> {
+		self.ready.clone()
 	}
 
 	/// Actually upgrades the client. Assumes that the binary has been downloaded.
 	/// @returns `true` on success.
 	pub fn execute_upgrade(&mut self) -> bool {
+		// TODO: link ~/.parity-updates/parity to self.ready 
+		// TODO: restart parity.
 		unimplemented!()
 	}
 
+	/// Returns true iff the current version is capable of forming consensus.
+	pub fn consensus_capable(&self) -> bool {
+/*		if let Some(ref latest) = self.latest {
+			
+
+*/		unimplemented!()
+	}
+
 	/// Our version info.
 	pub fn version_info(&self) -> &VersionInfo { &self.this }
 
@@ -147,12 +165,37 @@ impl Updater {
 		})
 	}
 
-	fn fetch_done(&self, _r: Result<PathBuf, fetch::Error>) {
+	fn fetch_done(&mut self, _r: Result<PathBuf, fetch::Error>) {
+		let fetched = self.fetching.lock().take().unwrap();
 		match _r {
-			Ok(b) => info!("Fetched latest version OK: {}", b.display()),
-			Err(e) => warn!("Unable to fetch latest version: {:?}", e),
+			Ok(b) => {
+				info!("Fetched latest version ({}) OK to {}", fetched.version, b.display());
+				let mut dest = PathBuf::from(env::home_dir().unwrap().to_str().expect("env filesystem paths really should be valid; qed"));
+				dest.push(".parity-updates");
+				match fs::create_dir_all(&dest) {
+					Ok(_) => {
+						dest.push(format!("parity-{}-{:?}", fetched.version, fetched.version.hash));
+						match fs::copy(&b, &dest) {
+							Ok(_) => {
+								info!("Copied file to {}", dest.display());
+								let auto = match self.update_policy.filter {
+									UpdateFilter::All => true,
+									UpdateFilter::Critical if fetched.is_critical /* TODO: or is on a bad fork */ => true,
+									_ => false,
+								};
+								self.ready = Some(fetched);
+								if auto {
+									self.execute_upgrade();
+								}
+							},
+							Err(e) => warn!("Unable to copy update: {:?}", e),
+						}
+					},
+					Err(e) => warn!("Unable to create updates path: {:?}", e),
+				}
+			},
+			Err(e) => warn!("Unable to fetch update ({}): {:?}", fetched.version, e),
 		}
-		*self.fetching.lock() = false;
 	}
 
 	pub fn tick(&mut self) {
@@ -172,15 +215,17 @@ impl Updater {
 					"unreleased".into()
 				}
 			);
+			if self.update_policy.enable_downloading && latest.track.version.hash != self.version_info().hash && self.ready.as_ref().map_or(true, |t| *t != latest.track) {
 				if let Some(b) = latest.track.binary {
 					let mut fetching = self.fetching.lock();
-				if !*fetching {
+					if fetching.is_none() {
 						info!("Attempting to get parity binary {}", b);
 						let c = self.client.clone();
-					let f = move |r: Result<PathBuf, fetch::Error>| if let Some(c) = c.upgrade() { c.updater().as_ref().expect("updater exists; updater only owned by client; qed").fetch_done(r); };
+						let f = move |r: Result<PathBuf, fetch::Error>| if let Some(c) = c.upgrade() { c.updater().as_mut().expect("updater exists; updater only owned by client; qed").fetch_done(r); };
 						if let Some(fetch) = self.fetch.clone().upgrade() {
 							fetch.fetch(b, Box::new(f)).ok();
-						*fetching = true;
+							*fetching = Some(latest.track.clone());
+						}
 					}
 				}
 			}

parity/cli/usage.txt

@@ -33,7 +33,6 @@ Operating Options:
   --auto-update TRACK      Set a release track to automatically update and
                            install.
                            all - All updates in the current release track. 
-                           patch - All updates of the current minor version.
                            critical - Only consensus/security updates.
                            none - No updates will be auto-installed. 
                            (default: {flag_auto_update}).

parity/configuration.rs

@@ -624,7 +624,6 @@ impl Configuration {
 			filter: match self.args.flag_auto_update.as_ref() {
 				"none" => UpdateFilter::None,
 				"critical" => UpdateFilter::Critical,
-				"patch" => UpdateFilter::Patch,
 				"all" => UpdateFilter::All,
 				_ => return Err("Invalid value for `--auto-update`. See `--help` for more information.".into()), 
 			},
@@ -985,13 +984,13 @@ mod tests {
 		// when
 		let conf0 = parse(&["parity"]);
 		let conf1 = parse(&["parity", "--auto-update", "all"]);
-		let conf2 = parse(&["parity", "--no-download", "--auto-update=patch"]);
+		let conf2 = parse(&["parity", "--no-download", "--auto-update=all"]);
 		let conf3 = parse(&["parity", "--auto-update=xxx"]);
 
 		// then
 		assert_eq!(conf0.update_policy().unwrap(), UpdatePolicy{enable_downloading: true, filter: UpdateFilter::Critical});
 		assert_eq!(conf1.update_policy().unwrap(), UpdatePolicy{enable_downloading: true, filter: UpdateFilter::All});
-		assert_eq!(conf2.update_policy().unwrap(), UpdatePolicy{enable_downloading: false, filter: UpdateFilter::Patch});
+		assert_eq!(conf2.update_policy().unwrap(), UpdatePolicy{enable_downloading: false, filter: UpdateFilter::All});
 		assert!(conf3.update_policy().is_err());
 	}