Bump version from 0.11.99 to 0.12.0 so that we don't forget to do this
when rc1 is released.

Rebased-From: b4404090259be4e34ef5dba33e47a41e7d9acc03
Github-Pull: #7152

Mempool requests use a fair amount of bandwidth when the mempool is large,
 disconnecting peers using them follows the same logic as disconnecting
 peers fetching historical blocks.

Rebased-From: 6aadc7557823b7673b8f661b3d41cf867e2936a3
Github-Pull: #7166

Github-Pull: #7133
Rebased-From: ec73ef37eccfeda76de55c4ff93ea54d4e69e1ec e20672479ef7f2048c2e27494397641d47a4d88d 6b849350ab074a7ccb80ecbef387f59e1271ded6 b6a0da45db8d534e7a77d1cebe382cd5d83ba9b8 d41e44c9accb3df84e0abbc602cc76b72754d382 aa4b0c26b0a94ca6164c441aae723e118554d214

Github-Pull: #7174
Rebased-From: 96918a2f0990a8207d7631b8de73af8ae5d24aeb

Remove necessity to call create_callback_map (as well as the function
itself) from the Python P2P test framework. Invoke the appropriate
methods directly.

- Easy to forget to call it and wonder why it doesn't work
- Simplifies the code
- This makes it easier to handle new messages in subclasses

Github-Pull: #7171
Rebased-From: 2f601d215da1683ae99ab9973219044c32fa2093

This is a combination of 3 commits.

- Coinselection prunes extraneous inputs from ApproximateBestSubset
  A further pass over the available inputs has been added to ApproximateBestSubset after a candidate set has been found. It will prune any extraneous inputs in the selected subset, in order to decrease the number of input and the resulting change.
- Moved set reduction to the end of ApproximateBestSubset to reduce performance impact
- Added a test for the pruning of extraneous inputs after ApproximateBestSet

Github-Pull: #4906
Rebased-From: 5c03483e26ab414d22ef192691b2336c1bb3cb02 af9510e0374443b093d633a91c4f1f8bf5071292 fc0f52d78085b6ef97d6821fc7592326c2d9b495

Ever since we #5913 have been sending invalid reject messages
for transactions and blocks.

test: Add basic test for `reject` code

Extend P2P test framework to make it possible to expect reject
codes for transactions and blocks.

Github-Pull: #7179
Rebased-From: 9fc6ed6003da42f035309240c715ce0fd063ec03 20411903d7b356ebb174df2daad1dcd5d6117f79

- Avoids string typos (by making the compiler check)
- Makes it easier to grep for handling/generation of a certain message type
- Refer directly to documentation by following the symbol in IDE
- Move list of valid message types to protocol.cpp:
    protocol.cpp is a more appropriate place for this, and having
    the array there makes it easier to keep things consistent.

Github-Pull: #7181
Rebased-From: 9bbe71b641e2fc985daf127988a14a67c99da50a

Rebased-From: daf6466330d9d3e4d9034fd316cded192d2a7d67
Github-Pull: #7206

CWalletTx::GetAmounts could not find output address for null data transactions, thus issuing an error in debug.log. This change checks to see if the transaction is OP_RETURN before issuing error.

resolves #6142

Github-Pull: #7200
Rebased-From: b6915b82398d2e1d1f888b3816adfaf06d9a450e c611acc38a95d336a824b632823aa1b652e570df d812daf967ba4173bfa1c37eeb4ab7a0ccc4df25

We used to have a trickle node, a node which was chosen in each iteration of
the send loop that was privileged and allowed to send out queued up non-time
critical messages. Since the removal of the fixed sleeps in the network code,
this resulted in fast and attackable treatment of such broadcasts.

This pull request changes the 3 remaining trickle use cases by random delays:
* Local address broadcast (while also removing the the wiping of the seen filter)
* Address relay
* Inv relay (for transactions; blocks are always relayed immediately)

The code is based on older commits by Patrick Strateman.

Github-Pull: #7125
Rebased-From: 5400ef6bcb9d243b2b21697775aa6491115420f3

Github-Pull: #7216
Rebased-From: e18378e53fb71c39236db35ab2d560b43602b1be

In rpc-tests.py, don't override BITCOIND and BITCOINCLI if they're
already set. Makes it possible to run the tests with either another tree
or the GUI.

Github-Pull: #7209
Rebased-From: 83cdcbdca41583a5a754a89f45b04b56cd0df627

Bring dependencies up to date with master:
[depends] Boost 1.59.0
[depends] miniupnpc 1.9.20151026
[depends] native ccache 3.2.4
[depends] zeromq 4.0.7
[depends] Latest config.guess & config.sub
[depends] Fix miniupnpc compilation on osx

Github-Pull: #6980
Rebased-From: 9e940fa4c650dd31c39dbc8ed4038e131c19d59c 17ad964c2ff8f9be62a6826012b565843d3d72ba 26f8ea5342994bc3dcc22163b86f086328b50769 10d3c77644d894338a02b05f64ba822f3a516401 23a3c47f95c9c7c1778c488be6ea9ebbef2311ea e0769e1928f892fb16f851991d8e09a90587a1f4

1) Fix mempool limiting for PrioritiseTransaction

Redo the feerate index to be based on mining score, rather than fee.

Update mempool_packages.py to test prioritisetransaction's effect on
package scores.

2) Update replace-by-fee logic to use fee deltas

3) Use fee deltas for determining mempool acceptance

4) Remove GetMinRelayFee

One test in AcceptToMemoryPool was to compare a transaction's fee
agains the value returned by GetMinRelayFee. This value was zero for
all small transactions.  For larger transactions (between
DEFAULT_BLOCK_PRIORITY_SIZE and MAX_STANDARD_TX_SIZE), this function
was preventing low fee transactions from ever being accepted.

With this function removed, we will now allow transactions in that range
with fees (including modifications via PrioritiseTransaction) below
the minRelayTxFee, provided that they have sufficient priority.

Github-Pull: #7062
Rebased-From: eb306664e786ae43d539fde66f0fbe2a3e89d910 9ef2a25603c9ec4e44c4f45c6a5d4e4386ec86d3 27fae3484cdb21b0d24face833b966fce5926be5 901b01d674031f9aca717deeb372bafa160a24af

Github-Pull: #7226
Rebased-From: 9b41a5fba278e9ab56a9b86e7a5fe195dcad0b7a

- [Tests] Add mempool_limit.py test
- [Tests] Refactor some shared functions

Github-Pull: #7153
Rebased-From: 110ff1142c5284edba8aab77fcac0bea0e551969 7632cf689a9b959dd7a059b8b4a04761a4bc6e6a

This is unnecessary during the current tests (any test for Tor
interaction can explicitly enable it) and interferes with the proxy
test.

Github-Pull: #7170
Rebased-From: 4c40ec0451a8f279f3e2e40af068c9451afd699e

Github-Pull: #7276
Rebased-From: 7ef8f3c072a8750c72a3a1cdc727b5c1d173bac8

fa8c8d7 torcontrol debug: Change to a blanket message that covers both cases (MarcoFalke)

The manpages are outdated and are very rarely updated when changes
to the code happen.

Github-Pull: #7274
Rebased-From: fae7a369cb137000897d32afab7eb13aa79ec34e fa6ce44bf98fe1dd5be779fd77b844e7016d209e

Github-Pull: #7251
Rebased-From: fa095622c25492ddc7096c5825f327e4427e7d75

Github-Pull: #7250
Rebased-From: fa0a9749eb09f6b537b98075241a7fcb46f758e3

Github-Pull: #7253
Rebased-From: 0d595894f028248a1a1b00491dad95320844c685

Include translations that omit raw number from the singular case.

Github-Pull: #7217
Rebased-From: 5246180f168c9b761b6158b0725f5718239ba66c

Github-Pull: #7193
Rebased-From: fafd09375eb5133abf921132643384a1ac6fa444

Github-Pull: #7282
Rebased-From: 621bd6919f47be4d23091d8ae7c980f9567d83a9

- Bump copyright headers to 2015
- [devtools] Rewrite fix-copyright-headers.py
- [devtools] Use git pretty-format for year parsing

Github-Pull: #7205
Rebased-From: fa6ad855e9159b2247da4fa0054f32fa181499ab fa24439ff3d8ab5b9efaf66ef4dae6713b88cb35 fa71669452e57039e4270fd2b33a0e0e1635b813

- [qa] Cleanup wallet.py test
- [qa] check if wallet or blochchain maintenance changes the balance
- [walletdb] Add missing LOCK() in Recover() for dummyWallet

Github-Pull: #7229
Rebased-From: fa0765d433eb6d44a5cbec44f136b62814c663e5 fa14d994843fe2d700c977653cd3133d0a77cb67 fa33d9740c9b0d1071094ab6c1736f27a7090c95

- [wallet] Add regression test for vValue sort order
- [trivial] Merge test cases and replace CENT with COIN

Github-Pull: #7293
Rebased-From: fa3c7e644f427329bcffa1a5600fdbd7e97c837f faf538bfdbb4ecebde73e95c80718c2d9ecee1f5

Transaction memory pool limiting

Priority transactions

Wallet transaction fees

Required space depends on the user's choice:
 -prune=0
 -prune=<n>

b1a8374 [qt] Intro: Display required space (MarcoFalke)

daa8da2 Backport: quickfix for RPC timer interface problem (Jonas Schnelli)

Github-Pull: #7306
Rebased-From: f61766b37beb2fecbe3915a72a814cbdb107be0a

- Add race-condition debugging tool to mininode
- Eliminate race condition in sendheaders.py test

Clear the last block announcement before mining new blocks.

Github-Pull: #7308
Rebased-From: 82a0ce09b45ab9c09ce4f516be5b9b413dcec470 168915e6dec88b31793d4ee4b60b94d4149de36c

45b8e27 -bytespersigop option to additionally limit sigops in transactions we relay and mine (Luke Dashjr)

- Always respect GetRequiredFee for wallet txs
- Add sane fallback for fee estimation
- SQUASHME: Fix rpc tests that assumed fallback to minRelayTxFee

Add new commandline option "-fallbackfee" to use when fee estimation does not have sufficient data.

Github-Pull: #7296
Rebased-From: 995b9f3 e420a1b bebe58b

fab88af Add fallbackfee default value (MarcoFalke)
fa0a391 Add Replace-by-fee to release-notes (MarcoFalke)
fa4ba40 Expand section "Wallet transaction fees" & fix format and typos (MarcoFalke)
fabba1c Update release-notes.md (MarcoFalke)

- Make wallet descendant searching more efficient
- Add new rpc call: abandontransaction

Unconfirmed transactions that are not in your mempool either due to eviction or other means may be unlikely to be mined.  abandontransaction gives the wallet a way to no longer consider as spent the coins that are inputs to such a transaction.  All dependent transactions in the wallet will also be marked as abandoned.

- Add RPC test for abandoned and conflicted transactions.
- [Wallet] Call notification signal when a transaction is abandoned

Github-Pull: #7312
Rebased-From: 9e697172542e2b01517e4025df2c23d0ed5447f4 01e06d1fa365cedb7f5d5e17e6bdf0b526e700c5 df0e2226d998483d247c0245170f6b8ff6433b1d d11fc1695c0453ef22a633e516726f82717dd1d9

a06a8b4 add InMempool() function (Jonas Schnelli)

This is already done, not new in 0.12.

For opensource.org/licenses/MIT!
Github-Pull: #7197
Rebased-From: 00423e1a71204696ec37e6d757f9afe091bc7ee1

Github-Pull: #7185
Rebased-From: e1030dddab11553d2854c1f466e5757d9815bfb8

Github-Pull: #7068
Rebased-From: 979698c1715ce86a98934e48acadbc936c95c9a3

Github-Pull: #7213
Rebased-From: 37d271d7cce44885f835292ffe99b54399b014d6

Github-Pull: #7214
Rebased-From: fa2f4bc4eb0f21f5be8c88954ae2d99c5b18b987

Strings in a HTML context should be using formatHtmlWithUnit.

Github-Pull: #7255
Rebased-From: 5fdf32de7ed85a1a0aec7cdedb83f750f4a0f7ff

It is unneeded after the last toolchain update, and missing from Trusty.

Github-Pull: #7342
Rebased-From: 3503a78670d0eacf39c618b45b08581dfb3ed68f

82667af release note fixups (Alex Morcos)

Github-Pull: #7368
Rebased-From: 4d10d2e16fb837abe304e0a5d3bc0a41941d917a

Conflicts:
	configure.ac

Github-Pull: #7363
Rebased-From: bd34174ebca239e6796f0eb2015ddc2f218aac3c

2e552b0 Mention mempool chain limits in release notes (Suhas Daftuar)

5cacb8f Add comment about mining changes and more about priority (Alex Morcos)

f17b00b release-notes: Combine NOP2->CLTV asm change into "RPC: Low-level API changes" section (Luke Dashjr)
e20704b Replace some instances of formatWithUnit with formatHtmlWithUnit (fanquake)
6f8346d qt5: Use the fixed font the system recommends (MarcoFalke)
605de4a Rename OP_NOP2 to OP_CHECKLOCKTIMEVERIFY. (mb300sd)
6191a9b [RPC-Tests] add option to run rpc test over QT clients (Jonas Schnelli)
6307beb Note that reviewers should mention the commit hash of the commits they reviewed. (Patrick Strateman)
6092ff2 Set link from http:// to https:// (Suriyaa Kudo)

fa8c497 [doc] backwards-compatibility issues due to chainstate obfuscation (MarcoFalke)

Github-Pull: #7335
Rebased-From: 7777994846cdb9b9cf69e391a33eeed30393bbcf

Github-Pull: #7232
Rebased-From: 94bdd71f9b4768c9803ffd133aa7781b19bfa6f9

- Add assert_is_hex_string and assert_is_hash_string to RPC test utils.
- Add RPC documentation for getblockheader[chainwork].
- Add RPC tests for getblockheader.

Github-Pull: #7194
Rebased-From: 16d4fce0b203bdaa679ad5b3f1e6b6f46880d5d2 4745636126d9a4f28f701f701be392779815a7bf 135d6ec8cedc83ad800da45080c16d49e9182e80

Github-Pull: #7327
Rebased-From: 30cdacea3c356acda32ab77238f07c1c40b1f1b5

Github-Pull: #7290
Rebased-From: fac11ea3106ff29ec884dfe9d9b287fd1beda5fc

Github-Pull: #7290
Rebased-From: fa6ab96799f9d7946200fb646fefe35c6daab9b2 faa572a3296c0955dcb2cc0bd9b925c2a31e7892 fa461df685063e6b12664fe6928362484f690f01

Github-Pull: #7373
Rebased-From: 4a0487937877484f14476716c3643de7a31c32da

fa31133 [Doc] Wallet & Pruning (MarcoFalke)

Github-Pull: #7381
Rebased-From: fa6d4cc09575de30386bfbc5c8c3858cd7a2f42a

These are changes I needed to get gitian building to work with Debian
8.2, which is the version we tell to use.

- Set up NAT, so that container can access network beyond host
- Remove explicit cgroup setup - these are mounted automatically now
- gitian: Need `ca-certificates` and `python` for LXC builds

Github-Pull: #7060
Rebased-From: 99fda26de0661afcbe43d5e862c382e3c2e3aa5e 3b468a0e609147c7d7afd8ed97bf271f2356daef

Github-Pull: #7328
Rebased-From: b07b103e8af14cd3fca44dca7bc694d2c3bffcc1

Add "bip125-replaceable" output field to listtransactions and gettransaction
which indicates if an unconfirmed transaction, or any unconfirmed parent, is
signaling opt-in RBF according to BIP 125.

Github-Pull: #7286
Rebased-From: eaa8d2754b48b62cdd07255fc3028feecad0c095

Add a configuration option `-permitrbf` to set transaction replacement policy
for the mempool.

Enabling it will enable (opt-in) RBF, disabling it will refuse all
conflicting transactions.

Conflicts:
	src/init.cpp
	src/main.cpp
	src/main.h

Github-Pull: #7386
Rebased-From: b768108d9c0b83330572711aef1e569543130d5e

Github-Pull: #7364
Rebased-From: fa6a59dd397e62e850fc57df05cd6d117fbdcd82

52b29dc Get rid of inaccurate ScriptSigArgsExpected (Pieter Wuille)

236686b [init] Add missing help for args (MarcoFalke)
44438a1 [init] Fix error message of maxtxfee invalid amount (MarcoFalke)
a74fa1f [Wallet] Transaction View: LastMonth calculation fixed (crowning-)

As discussed in the mailing list thread:
    [bitcoin-dev] Bitcoin Core 0.12.0 release candidate 1 available
in the replies to this message:
http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-January/012276.html

Please review thoroughly, I'm a newbie.

Peter Todd says it does not matter currently.

Jonas Schnelli recommended this to account for growth of utxo set, debug
log, etc.

Update and reword BIP 125 section

Mention changes to banlist (clearbanned/setban)

Pruning nodes can relay

65d384f doc: Update release notes for 0.12 (Suhas Daftuar)

- fix parsing of BIND_NOW with older readelf
- add _IO_stdin_used to ignored exports

For details see: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#109

- add check-symbols and check-security make targets

These are not added to the default checks because some of them depend on
release-build configs.

- always link librt for glibc back-compat builds

glibc absorbed clock_gettime in 2.17. librt (its previous location) is safe to
link in anyway for back-compat.

Fixes #7420

- add security/symbol checks to gitian

Github-Pull: #7424
Rebased-From: cd27bf51e06a8d79790a631696355bd05751b0aa 475813ba5b208eb9a5d027eb628a717cc123ef4f f3d3eaf78eb51238d799d8f20a585550d1567719 a8ce872118c4807465629aecb9e4f3d72d999ccb a81c87fafce43e49cc2307947e3951b84be7ca9a

42b521d Update release-notes.md (฿tcDrak)

8c5f903 doc: In release notes, reduce length of pruning section (xor-freenet)
15c0263 doc: Minor spelling fix (xor-freenet)
54d3907 doc: Fix wrong claims about blockchain reorganization with pruning (xor-freenet)
a683d20 doc: Minor sentence length / capitalization fixes (xor-freenet)
58e3abf doc: In release notes, increase estimate of disk usage with pruning (xor-freenet)
be4b474 doc: In release notes, do not claim that pruning is leeching (xor-freenet)
46d7eb6 doc: Fix minimal disk usage with pruning enabled (xor-freenet)
fe074cc doc: Explain effects of -prune=<n> parameter in release notes (xor-freenet)

Github-Pull: #7415
Rebased-From: 4818dba90074f213efa0fa7faf577ce5fb02eaee

With automatic tor HS support in place we should probably not be providing
 absolute protection for local peers, since HS inbound could be used to
 attack pretty easily.  Instead, this counts on the latency metric inside
 AttemptToEvictConnection to privilege actually local peers.

This corrects a bug the case of tying group size where the code may
 fail to select the group with the newest member. Since newest time
 is the final selection criteria, failing to break ties on it
 on the step before can undermine the final selection.

Tied netgroups are very common.

"permit" is currently used to configure transaction filtering, whereas replacement is more to do with the memory pool state than the transaction itself.

Basic forward-compatibility with more flexible parameters like fss

8e09f91 Decide eviction group ties based on time. (Gregory Maxwell)
46dbcd4 Do not absolutely protect local peers from eviction. (Gregory Maxwell)

- Add whitelistforcerelay to control forced relaying.

Also renames whitelistalwaysrelay.

Nodes relay all transactions from whitelisted peers, this
 gets in the way of some useful reasons for whitelisting
 peers-- for example, bypassing bandwidth limitations.

The purpose of this forced relaying is for specialized gateway
 applications where a node is being used as a P2P connection
 filter and multiplexer, but where you don't want it getting
 in the way of (re-)broadcast.

This change makes it configurable with whitelistforcerelay.

- Blacklist -whitelistalwaysrelay; replaced by -whitelistrelay.

Github-Pull: #7439
Rebased-From: 325c725fb6205e38142914acb9ed1733d8482d46 89d113e02a83617b4e971c160d47551476dacc71

af9f564 release-notes: Update for replacebyfee->mempoolreplacement rename (Luke Dashjr)
4ad418b Rename replacebyfee=opt-in to mempoolreplacement=fee (Luke Dashjr)
b2287a7 release-notes: Update for permitrbf->replacebyfee rename (Luke Dashjr)
5f456a6 Simplify check for replacebyfee=opt-in (Luke Dashjr)
e8d19ab Accept replacebyfee=opt-in for turning on opt-in RBF (Luke Dashjr)
1205f87 Rename permitrbf to replacebyfee (Luke Dashjr)

Github-Pull: #7384
Rebased-From: faa9011d09d7429b97ec7595f9f77abf8ea770d3

Take full names from github API if available, otherwise
github username.