Commit Graph

3137 Commits

Author SHA1 Message Date
Andrew Jones
fb503f523b
Allow old blocks from peers with lower difficulty (#9226)
Previously we only allow downloading of old blocks if the peer
difficulty was greater than our syncing difficulty. This change allows
downloading of blocks from peers where the difficulty is greater then
the last downloaded old block.
2018-07-27 10:13:05 +01:00
Wei Tang
5795d332c8 Insert PROOF messages for some cases in blockchain (#9141)
* Insert PROOF messages for some cases in blockchain

* Break expect to its own line to avoid things being too long

* Be more specific for all low-level database error cases

* Fix BranchBecomingCanonChain expect

* ethcore: fix typo in expect proof message
2018-07-25 17:45:06 +01:00
EOS Classic
823054dc34 [Chain] Add more bootnodes (#9174)
+ For ETC, ELLA, EXP, Morden, MUSIC
2018-07-25 18:06:45 +02:00
Marek Kotewicz
143411aaf0
deserialize block only once during verification (#9161) 2018-07-25 14:36:46 +02:00
Peter Pratscher
1b1941a896 Added --tx-queue-no-early-reject flag to disable early tx queue rejects (#9143)
* Added --tx-queue-no-early-reject flag to disable early tx queue rejects because of low gas price

* Fixed failing tests, clarified comments and simplified no_early_reject field name.

* Added test case for the --tx-queue-no-early-reject flag
2018-07-24 16:04:48 +03:00
Wei Tang
4848c384cd Avoid schedule copying in nested call/create (#9190)
* Avoid schedule copying in nested call/create

* Fix tests

* fix test: wrong Schedule used

* Fix private-tx test

* Fix jsontests compilation
2018-07-23 15:48:01 +02:00
André Silva
d4f38d3894 ethcore: add builtin benchmarks based on geth (#9179)
* ethcore: add geth benchmarks for all builtins

* ethcore: remove old builtin benchmarks
2018-07-23 15:46:24 +02:00
Afri Schoedon
8dd4db5d85 docs: update repository links (#9159)
* docs: update repository links

* docs: update repository links in contribution guide
2018-07-23 13:58:50 +02:00
André Silva
fb2b77e991 ethcore: add missing builtins benchmarks (#9170)
* ethcore: add modexp benchmarks

* ethcore: add_bn_128_add benchmark
2018-07-20 15:06:11 +02:00
Wei Tang
b914912c06 Fix bugfix hard fork logic (#9138)
* Fix bugfix hard fork logic

* Remove dustProtectionTransition from bugfix category

EIP-168 is not enabled by default

* Remove unnecessary 'static
2018-07-19 16:43:41 +02:00
Wei Tang
0ce04845de
Be more graceful on Aura difficulty validation (#9164)
* Be more graceful on Aura difficulty validation

* test: rejects_step_backwards

* test: proposer_switching

* test: rejects_future_block

* test: reports_skipped

* test: verify_empty_seal_steps
2018-07-19 22:41:31 +08:00
Marek Kotewicz
073365d5d9
handle SyncHandler errors properly (#9151)
* handle SyncHandler errors properly, closes #9150

* applied review suggestions
2018-07-19 12:46:33 +02:00
Niklas Adolfsson
a24e78fa92 Receipt constructor Allocate less stack for blooms (#9146)
* Allocate less stack in `Receipt ctor`

* ethcore: use accrue_bloom when computing transaction receipt
2018-07-17 16:55:46 +01:00
Niklas Adolfsson
21e0cd7781 evm bench fix broken dependencies (#9134)
* `evm bench` use valid dependencies

Benchmarks of the `evm` used stale versions of a couple a crates that
this commit fixes!

* fix warnings
2018-07-16 21:19:59 +02:00
Marek Kotewicz
0ca4250bd4 fix verification in ethcore-sync collect_blocks (#9135) 2018-07-16 21:05:47 +02:00
Wei Tang
5059619947 Unify engine error to reject blocks (#9085)
* Reject if Engine::on_close_block returns error

* Unify open block behaviors

* Fix tests in ethcore

* Fix Aura tests

* Fix RPC test

* Print a warning if open block failed

* Print the actual error when closing the block

* Update comments for prepare_pending_block

* Add BlockPreparationStatus to distingish three different state after prepare_pending_block
2018-07-16 13:53:55 +02:00
Niklas Adolfsson
edb228839e Fix todo in ethcore/types::Receipt constructor (#9086)
Remove needless mutable variable and assignment
2018-07-16 12:43:14 +01:00
Marek Kotewicz
f826ac35e3
Removed redundant struct bounds and unnecessary data copying (#9096)
* Removed redundant struct bounds and unnecessary data copying

* Updated docs, removed redundant bindings
2018-07-15 11:01:47 +02:00
Anthony
9dc512349a Insert ETC (classic) hardcoded headers until block #6170625 (#9121) 2018-07-14 16:04:31 +01:00
Tomasz Drwięga
3ecf16a492 Make sure to produce full blocks. (#9115) 2018-07-13 15:20:24 +01:00
Thibaut S
584a76ab70 Update light client hardcoded headers (#9098)
* Insert Kovan hardcoded headers until #7690241

* Insert Kovan hardcoded headers until block 7690241

* Insert Ropsten hardcoded headers until #3612673

* Insert Mainnet hardcoded headers until block 5941249
2018-07-13 14:42:06 +02:00
Tomasz Drwięga
82a6a0848a Fix work-notify. (#9104) 2018-07-13 11:36:58 +01:00
Tomasz Drwięga
5f523f6966 Offload cull to IoWorker. (#9099) 2018-07-13 12:23:57 +02:00
Afri Schoedon
484ecfaf47
Parity Ethereum 2.0.0 (#9052)
* parity-version: major bump to 2.0.0 🎉

* parity-ethereum: rename crate 🌵

* ethcore: only accept service transactions from parity-ethereum nodes

* parity: fix --identity tests

* rpc: fix sync provider in tests

* rpc: fix parity_net_peers test

* ethcore-sync: accept service transactions from parity and parity-ethereum

* ethcore-sync: fix indentation

* ethcore-sync: split the ifs to reduce code redundancy

* ethcore-sync: fix syntax

* Fix building ethcore

* update cargo.lock

* parity-version: major bump to 2.0.0 tada

* fix merge
2018-07-11 13:35:10 +02:00
Nicolas Gotchac
c082af6f74 Don't fetch snapshot chunks at random (#9088) 2018-07-11 13:04:31 +02:00
Afri Schoedon
da5de4a6ff db: remove wal disabling / fast-and-loose option. (#8963)
* parity: highlight --fast-and-loose is not recommended.

* parity: remove fast-and-loose option, ref #1765

* db: remove db wal from options, it's always enabled

* db: remove wal from rocksdb helpers

* cli: fix wallet import test

* ethcore: fix client config tests

* parity: proper deprecated handling for fast-and-loose

* ethcore-client: fix config

* parity: mark fast-and-loose removed

* parity: fix test_find_deprecated

* parity: fix type for fast-and-loose flag

* lock file
2018-07-10 17:33:25 +02:00
shamardy
526c61e2c0 Transactions hashes missing in trace_replayBlockTransactions method result #8725 (#8883)
* Squashed commit of the following:

commit 1f85076fd584365f1acbbafef5c8bdee722b479b
Author: shamardy <shamardy@yahoo.com>
Date:   Sat Jun 30 03:40:12 2018 +0200

    update

commit 63363cca7354873a8abe3b631b8b7dbd9da6ce1e
Author: shamardy <shamardy@yahoo.com>
Date:   Sat Jun 30 03:36:25 2018 +0200

    Update

commit e05caddc170a4cf0e476c23d443f07184dcb4fb1
Author: shamardy <shamardy@yahoo.com>
Date:   Fri Jun 29 10:04:34 2018 +0200

    Test

commit b0be065eadd0f2dd70f6613c50cbf3eb16d693ec
Author: shamardy <shamardy@yahoo.com>
Date:   Fri Jun 29 09:19:57 2018 +0200

    test_client edit

commit 949205ccdbac75f730639e5f0d8e1bdd9436de1d
Author: shamardy <shamardy@yahoo.com>
Date:   Fri Jun 29 05:14:53 2018 +0200

    Edit Test

commit 7cd44ee379a1e847f3e7d225444e72775bdbd4b5
Author: shamardy <shamardy@yahoo.com>
Date:   Fri Jun 29 04:25:22 2018 +0200

    Updates

commit e90de71e698d29475e8ba5696664b7d7bb335f9c
Author: shamardy <shamardy@yahoo.com>
Date:   Wed Jun 27 13:53:15 2018 +0200

    Test

commit 12a76381561b66ecf6ea636d7eebe43d2dcb7731
Author: shamardy <shamardy@yahoo.com>
Date:   Wed Jun 27 11:43:39 2018 +0200

    Edited Tests

commit 6c21e6de2da24e7b9f33ac8b82abb0b39488bd60
Merge: 87c4c74b8 9550cf766
Author: shamardy <shamardy@yahoo.com>
Date:   Wed Jun 27 10:31:21 2018 +0200

    Merge branch 'Issue#8725' of https://github.com/shamardy/parity into Issue#8725

commit 87c4c74b8f769c8e4b55ba78b5aa1d6716413f6d
Author: shamardy <shamardy@yahoo.com>
Date:   Wed Jun 27 10:31:13 2018 +0200

    Avoided Changing non-RPC Types

commit 9550cf76610953c8492cc9473e4b9f876e770b70
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:29:03 2018 +0200

    Update traces.rs

commit 3e0b0ef29685b62f0917b80a48054b3379d59a50
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:27:44 2018 +0200

    Update trace.rs

commit 5078d67a2da7268db2a1064540a3c887e1f1a3cd
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:26:08 2018 +0200

    Update traces.rs

commit 28f5ba1b035c6919ac11089cf1bdd703c75f0dbd
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:24:04 2018 +0200

    Update parity.rs

commit 3b86b98ab5860efa61a7cc6a2b20e6c5c0f859cb
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:23:33 2018 +0200

    Update eth.rs

commit bcad5a40f14a3c5d2d901ae1a9bed87949ab9c66
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:21:43 2018 +0200

    Update call_analytics.rs

commit e9029e0b8158387b606132b264652d285483870f
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:20:56 2018 +0200

    Update transaction.rs

commit 0dacc81779bc62713e3f8e405229dfd7f89f33e8
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:20:01 2018 +0200

    Update executive.rs

commit 3921d4ec77f49460d45603111b98cc07d3c235a0
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:18:39 2018 +0200

    Update executed.rs

commit 8416df654ebf6f68ad04c8a4a89a29ce704f9ca1
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Wed Jun 27 10:17:34 2018 +0200

    Update client.rs

commit cf0b4dddbc93395bc5ce1f17c3c07a294bf8dd49
Merge: 23bfa78c2 36e05e5f3
Author: shamardy <shamardy@yahoo.com>
Date:   Sun Jun 24 04:54:04 2018 +0200

    Merge branch 'Issue#8725' of https://github.com/shamardy/parity into Issue#8725

commit 23bfa78c2662d697018e7061ab9ad0b864fde0ef
Author: shamardy <shamardy@yahoo.com>
Date:   Sun Jun 24 04:53:50 2018 +0200

    Undo

commit 36e05e5f30c35bd6b57af50fd337f2006df51b86
Merge: 2f6e1ef64 0afc74825
Author: shamardy <shamardy@yahoo.com>
Date:   Sun Jun 24 04:44:33 2018 +0200

    Merge branch 'Issue#8725' of https://github.com/shamardy/parity into Issue#8725

commit 2f6e1ef64763a79ad2ed8baa2aed5a8f3136bafc
Author: shamardy <shamardy@yahoo.com>
Date:   Sun Jun 24 04:44:22 2018 +0200

    Another rpc test output with ("transactionHash":null)

commit 0afc74825828f724d68f3e444655b872a6c51ce0
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 07:18:45 2018 +0200

    Another rpc test output with ("transactionHash":null)

commit 138fbac9f02841adfeaaf061c5dd9e647f725e12
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 06:30:41 2018 +0200

    Edited some rpc tests output with ("transactionHash":null)

commit 8c129a63109c00f88ce36bad10699dc2f3237d95
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:48:39 2018 +0200

    Update traces.rs

commit 52c17f6191740637c1d1589a420996dccefe16bb
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:47:29 2018 +0200

    Update parity.rs

commit d39303aa8c2097ba9e2ed94c7ad2166bf1608d3f
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:46:25 2018 +0200

    Update eth.rs

commit 49be84bf529c33dc47c8260435fd0d26e137c66d
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:40:56 2018 +0200

    Update trace.rs

commit 4fc801377fb01ff11867f66b547a307c162d7a56
Merge: d34ba2351 544210439
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 05:12:21 2018 +0200

    Merge branch 'Issue#8725' of https://github.com/shamardy/parity into Issue#8725

commit 54421043959e14a76f309fe87d3c7513a95999f8
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:04:51 2018 +0200

    Update trace.rs

commit 2b2524a31119d741df4076e9d1b3ce8f0b17b479
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:01:47 2018 +0200

    Update state_diff.rs

commit 2bf9982b8ce29ef69f116142eaeacf3049f7db49
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:00:50 2018 +0200

    Update transaction.rs

commit da696ea192c0f89cceb38834f6efee280129048c
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 05:00:13 2018 +0200

    Update mod.rs

commit cfc194ca0f44bfabec01a52897a322ea5a91930b
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 04:59:18 2018 +0200

    Update pod_state.rs

commit 3b3156853535a666778e0ad0e902de79fb138f1d
Author: shamardy <39480341+shamardy@users.noreply.github.com>
Date:   Thu Jun 14 04:57:37 2018 +0200

    Update client.rs

commit d34ba235132c654da6c2ed6ff0dcf96fda0c45ee
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 04:53:50 2018 +0200

    RPC Only

commit 8b5c4f19727549ee6f180a6effc228b2693509e9
Merge: 744491632 291b4a01b
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 02:55:14 2018 +0200

    Merge branch 'Issue#8725' of https://github.com/shamardy/parity into Issue#8725

commit 74449163222e0ab75c704ac0ad424870e3c321d9
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 02:27:13 2018 +0200

    Issue#8725

    Transactions hashes missing in trace_replayBlockTransactions method result #8725

commit 291b4a01be6771acff8f5829c5406fa193665dbe
Author: shamardy <shamardy@yahoo.com>
Date:   Thu Jun 14 01:18:18 2018 +0200

    Edited to make changes to RPC types only

    To make a transactions hash trace with "trace_replayBlockTransactions" add "transactionHash" to parameters

commit 9d082bece73beb8ebddfda51fa5ec279f30b7bea
Author: shamardy <shamardy@yahoo.com>
Date:   Wed Jun 13 09:15:56 2018 +0200

    Issue#8725

    Transactions hashes missing in trace_replayBlockTransactions method result #8725

* update

* Removed unwrap_or

* Update

* test_client update
2018-07-10 15:38:13 +01:00
David
c7f608ec74
Delete crates from parity-ethereum and fetch them from parity-common instead (#9083)
Use crates from parity-common: hashdb, keccak-hash, kvdb, kvdb-memorydb, kvdb-rocksdb, memorydb, parity-bytes, parity-crypto, path, patricia_trie, plain_hasher, rlp, target, test-support, trie-standardmap, triehash
2018-07-10 14:59:19 +02:00
Niklas Adolfsson
6816f8b489 Updater verification (#8787)
* getting started

* refactor main

* unwrap_or -> unwrap_or_else

* force parity to lower version number to trigger update

* Fix typos

* formating

* some minor refactoring

* enable lints and fix some warnings

* make it compile

* minor tweaks to make it work

* address review comments

* Rename exe to exe_path and minor import changes

* updater: unreleased -> unknown

* Add `debug` configuration to force parity-updater

* Introduce a new feature `test-updater` in order conditionally hardcode
the version number in parity in order to force an update
* This should only be used for debug/dev purposes

* nits

* Pulled latest submodule of `wasm-tests`
2018-07-10 12:17:53 +02:00
Niklas Adolfsson
91122d9193 SeedHashCompute remove needless new impl (#9063) 2018-07-09 16:47:58 +02:00
Marek Kotewicz
c7d21841a4 remove trait bounds from several structs (#9055) 2018-07-09 12:55:27 +01:00
Marek Kotewicz
8d171a37f8 remove util-error (#9054)
* remove util-error

* fixed grumbles
2018-07-06 15:09:39 +02:00
André Silva
e9bd41b3f1 Fixes for misbehavior reporting in AuthorityRound (#8998)
* aura: only report after checking for repeated skipped primaries

* aura: refactor duplicate code for getting epoch validator set

* aura: verify_external: report on validator set contract instance

* aura: use correct validator set epoch number when reporting

* aura: use epoch set when verifying blocks

* aura: report skipped primaries when generating seal

* aura: handle immediate transitions

* aura: don't report skipped steps from genesis to first block

* aura: fix reporting test

* aura: refactor duplicate code to handle immediate_transitions

* aura: let reporting fail on verify_block_basic

* aura: add comment about possible failure of reporting
2018-07-06 10:43:58 +01:00
Tomasz Drwięga
aa67bd5d00 A last bunch of txqueue performance optimizations (#9024)
* Clear cache only when block is enacted.

* Add tracing for cull.

* Cull split.

* Cull after creating pending block.

* Add constant, remove sync::read tracing.

* Reset debug.

* Remove excessive tracing.

* Use struct for NonceCache.

* Fix build

* Remove warnings.

* Fix build again.
2018-07-05 16:27:48 +01:00
Sergey Pepyakin
4839294c86 Recursive test (#9042) 2018-07-05 10:09:01 +03:00
John-John Tedro
71bbcd54ff Introduce more optional features in ethcore (#9020)
* Make work-notify an optional feature

* More optional ethcore features: price-info, stratum

* Make ethcore features part of dependency instead of local features

* Put cfg gate in right location

* Feature gate register function on work-notify
2018-07-05 07:19:59 +02:00
Akira Takizawa
3db353f356 Update ETSC bootnodes (#9038) 2018-07-04 16:57:38 +01:00
Tomasz Drwięga
f4c5ea8378 Optimize pending transactions filter (#9026)
* rpc: return unordered transactions in pending transactions filter

* ethcore: use LruCache for nonce cache

Only clear the nonce cache when a block is retracted

* Revert "ethcore: use LruCache for nonce cache"

This reverts commit b382c19abdb9985be1724c3b8cde83906da07d68.

* Use only cached nonces when computing pending hashes.

* Give filters their own locks, so that they don't block one another.

* Fix pending transaction count if not sealing.

* Clear cache only when block is enacted.

* Fix RPC tests.

* Address review comments.
2018-07-04 16:37:55 +01:00
Wei Tang
6a97a4a11e eip160/eip161 spec: u64 -> BlockNumber (#9044) 2018-07-04 17:28:43 +03:00
Wei Tang
e3e2fcc285 bump parking_lot to 0.6 (#9013)
* Bump parking_lot to 0.6

* Bump parity-wasm to 0.31 so it gets rid of parking_lot

ref https://github.com/paritytech/parity-wasm/pull/206

* Update jsonrpc versions

* Update wasmi and pwasm-utils version

* Fix compile

* Update jsonrpc crates
2018-07-03 17:31:08 +02:00
Tomasz Drwięga
78e001284f Recently rejected cache for transaction queue (#9005)
* Store recently rejected transactions.

* Don't cache AlreadyImported rejections.

* Make the size of transaction verification queue dependent on pool size.

* Add a test for recently rejected.

* Fix logging for recently rejected.

* Make rejection cache smaller.

* obsolete test removed

* obsolete test removed

* Construct cache with_capacity.
2018-07-02 18:00:06 +01:00
David
9caa868603
Make HashDB generic (#8739)
The `patricia_trie` crate is generic over the hasher (by way of HashDB) and node encoding scheme. Adds a new `patricia_trie_ethereum` crate with concrete impls for Keccak/RLP.
2018-07-02 18:50:05 +02:00
Marek Kotewicz
5ef41ed53e simplify kvdb error types (#8924) 2018-07-02 10:04:48 +01:00
David
38c31c880f Tentative fix for missing dependency error (#8973)
* Tentative fix for missing dependency error

* Better fix

* Ignore build artifacts from parit-clib
2018-06-27 20:25:49 +02:00
Wei Tang
0bed5976e3 Refactor evm Instruction to be a c-like enum (#8914)
* Add a basic instruction c-like enum

* Fix all compiling errors

* Fix tests

* Access instruction info as a Instruction impl

* Use macro to avoid duplication in from_u8

* Use single space instead of multiple tabs to avoid formatting issue

* Fix evmbin compile

* typo: indentation

* Use if let to remove an expect

* Address grumbles
2018-06-27 13:33:32 +02:00
Tomasz Drwięga
19a6725430 Fix deadlock in blockchain. (#8977) 2018-06-26 20:49:06 +02:00
Niklas Adolfsson
1a16f335fa Disable hardware-wallets on platforms that don't support libusb (#8464)
* disable hardware-wallets that don't support libusb

* address grumbles

* nits

* Refactor to get rid off as much annotations asap

* Might consume slight more memory than pure conditional compilation
flags

* formatting nits

* Enable libusb for android

* Tested by it compiling succesfully with `cargo build --target=armv7--linux-androideabi`
* The binary is ~66 MB

```bash
$ size
size target/armv7-linux-androideabi/release/parity
text    	data     	bss     	dec     	hex 		filename
50676230        416200   	31456 		51123886        30c16ae 	target/armv7-linux-androideabi/release/parity
```

* Move all `fake-hardware-wallet` to its own crate

* Removes some conditional compilation flags
* Introduces `fake-hardware-wallet` crate

* return error if no hardware wallets are found
2018-06-26 09:03:38 +02:00
David
4145be863b Bump error-chain and quick_error versions (#8972)
* Update error-chain to 0.12 to silence warnings

* Bump quick_error crate to 1.2.2  to silence linter warnings
2018-06-25 14:20:44 +02:00
Wei Tang
e9f1b38984 EVM benchmark utilities (#8944)
* Make it possible to expose jsontests using feature flag

* Add start_stop_hook for jsontests

* Fix evmbin compile

* Implement vm jsontests times to tsv result

* Use /usr/bin/env to avoid errors on non-Debian systems

* Move evmbin/bench.sh to scripts and add vm_jsontests script for convenience

* Add tempdir as required deps for test-helpers

* Address grumbles on comments

* Detect file/folder automatically and add command docs

* Fix bench script

* times -> timings

* typo: wrong if condition
2018-06-25 11:21:45 +02:00
Toralf Wittner
41348dead4 Add type for passwords. (#8920)
* Add type for passwords.

* Fix test.

* Simplify `Drop` impls of `Password` and `Memzero`.

* Spaces to tabs.

* Custom `Drop` impl for `Password`.
2018-06-22 15:09:15 +02:00