Backport core PRs to stable (#7892)

* update back-references more aggressively after answering from cache (#7578)

* Flush keyfiles. Resolves #7632 (#7868)

* Fix wallet import (#7873)

* rpc: generate new account id for imported wallets

* ethstore: handle duplicate wallet filenames

* ethstore: simplify deduplication of wallet file names

* ethstore: do not dedup wallet filenames on update

* ethstore: fix minor grumbles

* parity-version pr reopen (#7136)

* parity-version module split from util

removed unused util deps and features

trigger buildbot again

only kvdb links rocksdb

snappy linker issues

* rm snappy

* fixed old version imports

* Move updater metadata to Cargo.toml of parity-version. (#7832)

* Update version.

* Bump parity version.

* Fix version.

* Fix compilation.

rpc/src/lib.rs

@@ -61,6 +61,7 @@ extern crate fetch;
 extern crate node_health;
 extern crate parity_reactor;
 extern crate parity_updater as updater;
+extern crate parity_version as version;
 extern crate rlp;
 extern crate stats;
 extern crate hash;

rpc/src/v1/impls/light/parity.rs

@@ -18,7 +18,7 @@
 use std::sync::Arc;
 use std::collections::{BTreeMap, HashSet};
 
-use util::misc::version_data;
+use version::version_data;
 
 use crypto::{ecies, DEFAULT_MAC};
 use ethkey::{Brain, Generator};

rpc/src/v1/impls/parity.rs

@@ -20,7 +20,7 @@ use std::str::FromStr;
 use std::collections::{BTreeMap, HashSet};
 
 use util::Address;
-use util::misc::version_data;
+use version::version_data;
 
 use crypto::{DEFAULT_MAC, ecies};
 use ethkey::{Brain, Generator};

rpc/src/v1/impls/parity_accounts.rs

@@ -95,7 +95,7 @@ impl ParityAccounts for ParityAccountsClient {
 		let store = self.account_provider()?;
 
 		store.import_presale(json.as_bytes(), &pass)
-			.or_else(|_| store.import_wallet(json.as_bytes(), &pass))
+			.or_else(|_| store.import_wallet(json.as_bytes(), &pass, true))
 			.map(Into::into)
 			.map_err(|e| errors::account("Could not create account.", e))
 	}

rpc/src/v1/impls/web3.rs

@@ -17,7 +17,7 @@
 //! Web3 rpc implementation.
 use hash::keccak;
 use jsonrpc_core::Error;
-use util::version;
+use version::version;
 use v1::traits::Web3;
 use v1::types::{H256, Bytes};
 

rpc/src/v1/tests/mocked/parity.rs

@@ -234,14 +234,14 @@ fn rpc_parity_chain_id() {
 
 #[test]
 fn rpc_parity_default_extra_data() {
-	use util::misc;
+	use version::version_data;
 	use bytes::ToPretty;
 
 	let deps = Dependencies::new();
 	let io = deps.default_client();
 
 	let request = r#"{"jsonrpc": "2.0", "method": "parity_defaultExtraData", "params": [], "id": 1}"#;
-	let response = format!(r#"{{"jsonrpc":"2.0","result":"0x{}","id":1}}"#, misc::version_data().to_hex());
+	let response = format!(r#"{{"jsonrpc":"2.0","result":"0x{}","id":1}}"#, version_data().to_hex());
 
 	assert_eq!(io.handle_request_sync(request), Some(response));
 }

rpc/src/v1/tests/mocked/parity_accounts.rs

@@ -480,7 +480,7 @@ fn should_export_account() {
 	// given
 	let tester = setup();
 	let wallet = r#"{"id":"6a186c80-7797-cff2-bc2e-7c1d6a6cc76e","version":3,"crypto":{"cipher":"aes-128-ctr","cipherparams":{"iv":"a1c6ff99070f8032ca1c4e8add006373"},"ciphertext":"df27e3db64aa18d984b6439443f73660643c2d119a6f0fa2fa9a6456fc802d75","kdf":"pbkdf2","kdfparams":{"c":10240,"dklen":32,"prf":"hmac-sha256","salt":"ddc325335cda5567a1719313e73b4842511f3e4a837c9658eeb78e51ebe8c815"},"mac":"3dc888ae79cbb226ff9c455669f6cf2d79be72120f2298f6cb0d444fddc0aa3d"},"address":"0042e5d2a662eeaca8a7e828c174f98f35d8925b","name":"parity-export-test","meta":"{\"passwordHint\":\"parity-export-test\",\"timestamp\":1490017814987}"}"#;
-	tester.accounts.import_wallet(wallet.as_bytes(), "parity-export-test").unwrap();
+	tester.accounts.import_wallet(wallet.as_bytes(), "parity-export-test", false).unwrap();
 	let accounts = tester.accounts.accounts().unwrap();
 	assert_eq!(accounts.len(), 1);
 
@@ -501,6 +501,26 @@ fn should_export_account() {
 	assert_eq!(result, Some(response.into()));
 }
 
+#[test]
+fn should_import_wallet() {
+	let tester = setup();
+
+	let id = "6a186c80-7797-cff2-bc2e-7c1d6a6cc76e";
+	let request = r#"{"jsonrpc":"2.0","method":"parity_newAccountFromWallet","params":["{\"id\":\"<ID>\",\"version\":3,\"crypto\":{\"cipher\":\"aes-128-ctr\",\"cipherparams\":{\"iv\":\"478736fb55872c1baf01b27b1998c90b\"},\"ciphertext\":\"fe5a63cc0055d7b0b3b57886f930ad9b63f48950d1348145d95996c41e05f4e0\",\"kdf\":\"pbkdf2\",\"kdfparams\":{\"c\":10240,\"dklen\":32,\"prf\":\"hmac-sha256\",\"salt\":\"658436d6738a19731149a98744e5cf02c8d5aa1f8e80c1a43cc9351c70a984e4\"},\"mac\":\"c7384b26ecf25539d942030230062af9b69de5766cbcc4690bffce1536644631\"},\"address\":\"00bac56a8a27232baa044c03f43bf3648c961735\",\"name\":\"hello world\",\"meta\":\"{}\"}", "himom"],"id":1}"#;
+	let request = request.replace("<ID>", id);
+	let response = r#"{"jsonrpc":"2.0","result":"0x00bac56a8a27232baa044c03f43bf3648c961735","id":1}"#;
+
+	let res = tester.io.handle_request_sync(&request).unwrap();
+
+	assert_eq!(res, response);
+
+	let account_meta = tester.accounts.account_meta("0x00bac56a8a27232baa044c03f43bf3648c961735".into()).unwrap();
+	let account_uuid: String = account_meta.uuid.unwrap().into();
+
+	// the RPC should import the account with a new id
+	assert!(account_uuid != id);
+}
+
 #[test]
 fn should_sign_message() {
 	let tester = setup();

rpc/src/v1/tests/mocked/web3.rs

@@ -15,7 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use jsonrpc_core::IoHandler;
-use util::version;
+use version::version;
 use v1::{Web3, Web3Client};
 
 #[test]