Commit graph

1094 commits

Author SHA1 Message Date
Wladimir J. van der Laan d405beea26
Merge #12333: Make CWallet::ListCoins atomic
2f960b5 [wallet] Indent only change of CWallet::AvailableCoins (João Barbosa)
1beea7a [wallet] Make CWallet::ListCoins atomic (João Barbosa)

Pull request description:

  Fix a potencial race in `CWallet::ListCoins`.

  Replaces `cs_main` and `cs_wallet` locks by assertions in `CWallet::AvailableCoins`.

Tree-SHA512: 09109f44a08b4b53f7605d950ab506d3f748490ab9aed474aa200e93f7b0b9f96f9bf60abe1c5f658240fd13d9e3267c0dd43fd3c1695d82384198ce1da8109f
2018-02-08 19:48:21 +01:00
João Barbosa 2f960b5070 [wallet] Indent only change of CWallet::AvailableCoins 2018-02-08 18:18:51 +00:00
João Barbosa 1beea7af92 [wallet] Make CWallet::ListCoins atomic 2018-02-08 18:18:28 +00:00
Wladimir J. van der Laan 663911ed58
Merge #12282: wallet: Disallow abandon of conflicted txes
fa795cf wallet: Disallow abandon of conflicted txes (MarcoFalke)

Pull request description:

  Abandon transactions that are already conflicted is a noop, so don't try and return false/throw instead.

Tree-SHA512: fd2af4149bd2323f7f31fe18685c763790b8589319b4e467b464ab456d5e8971501ab16d124e57a22693666b06ae433ac3e59f0fd6dfbd2be2c6cae8be5bcbd8
2018-02-08 16:32:15 +01:00
Wladimir J. van der Laan 3843780fd8
Merge #12336: Remove deprecated rpc options
db1cbcc [RPC] Remove deprecated addmultisigaddress return format (John Newbery)
cb28a0b [RPC] Remove deprecated createmultisig object (John Newbery)
ed45c82 [tests] Remove test for deprecated createmultsig option (John Newbery)
d066a1c [rpc] Remove deprecated getmininginfo RPC option (John Newbery)
c6f09c2 [rpc] remove deprecated estimatefee RPC (John Newbery)
a8e437a [tests] Remove estimatefee from rpc_deprecated.py test (John Newbery)
a5623b1 [tests] Remove tests for deprecated estimatefee RPC (John Newbery)
d119f2e [tests] Fix style warnings in feature_fee_estimation.py (John Newbery)

Pull request description:

  There were some RPC/RPC options deprecated in v0.16. Those can now be removed from master since v0.16 has been branched.

  - `estimatefee` RPC has been removed. The `feature_fee_estimation.py` test has been updated to remove the RPC, but doesn't yet have good coverage of the replacement RPC `estimatesmartfee`. Improving the test coverage should be done in a new PR. (#11031)
  - the `errors` field returned by `getmininginfo` has been deprecated and replaced by a `warning` field. (#10858)
  - providing addresses as inputs to `createmultisig` has been deprecated. Users should use `addmultisigaddress` instead (#11415)
  - The return format from `addmultisigaddress` has changed (#11415)

  `getwitnessaddress` was also deprecated in v0.16 and can be removed, but many tests are using that RPC, so it's a larger job to remove. It should be removed in a separate PR (possibly after #11739 and #11398 have been merged and the segwit test code tidied up)

Tree-SHA512: 8ffaa5f6094131339b9e9e468e8b141de4b144697d2271efa2992b80b12eb97849ade3da8df5c1c9400ed4c04e6a029926550a3e5846d2029b644f9e84ac7124
2018-02-08 15:38:21 +01:00
John Newbery db1cbcc856 [RPC] Remove deprecated addmultisigaddress return format 2018-02-08 08:59:28 -05:00
Wladimir J. van der Laan ab4ee6e692
Merge #12315: Bech32 addresses in dumpwallet
45eea40 Bech32 addresses in dumpwallet (fivepiece)

Pull request description:

  Output bech32 addresses in dumpwallet if address type is not as legacy

Tree-SHA512: f6b6f788293779fe6339b94d9b792180e1d1dcb9c8e826caef8693557e1710213ba57891981c17505ace8d67b407eeca6fd9a8825757dd292cca2aa12575d15c
2018-02-08 09:55:54 +01:00
MarcoFalke 0277173b1d
Merge #10498: Use static_cast instead of C-style casts for non-fundamental types
9ad6746ccd Use static_cast instead of C-style casts for non-fundamental types (practicalswift)

Pull request description:

  A C-style cast is equivalent to try casting in the following order:

  1. `const_cast(...)`
  2. `static_cast(...)`
  3. `const_cast(static_cast(...))`
  4. `reinterpret_cast(...)`
  5. `const_cast(reinterpret_cast(...))`

  By using `static_cast<T>(...)` explicitly we avoid the possibility of an unintentional and dangerous `reinterpret_cast`. Furthermore `static_cast<T>(...)` allows for easier grepping of casts.

  For a more thorough discussion, see ["ES.49: If you must use a cast, use a named cast"](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#es49-if-you-must-use-a-cast-use-a-named-cast) in the C++ Core Guidelines (Stroustrup & Sutter).

Tree-SHA512: bd6349b7ea157da93a47b8cf238932af5dff84731374ccfd69b9f732fabdad1f9b1cdfca67497040f14eaa85346391404f4c0495e22c467f26ca883cd2de4d3c
2018-02-07 16:15:28 -05:00
fivepiece 45eea40aa8 Bech32 addresses in dumpwallet
Output bech32 addresses in dumpwallet if address type is not as legacy
2018-02-07 01:02:20 +02:00
MarcoFalke fa795cf9c5
wallet: Disallow abandon of conflicted txes 2018-02-06 09:54:31 -05:00
MarcoFalke 2a30e67d20
Merge #12330: Reduce scope of cs_main and cs_wallet locks in listtransactions
c409b1adac [rpc] Reduce scope of cs_main and cs_wallet locks in listtransactions (João Barbosa)

Pull request description:

  Trivial change, no behaviour change.

  Benchmark done as follow:
   - run with `-regtest`
   - wallet with 5000 transactions
   - measured the time spent with the lock and the total time
   - times are an average of 100 `listtransactions --count=...` calls

  | `--count` | lock (ms) | total (ms) | saving |
  |--:|--:|--:|--:|
  | 10 | 0.2230 | 0.2510 | 11% |
  | 100 | 2.5150 | 2.8690 | 12% |
  | 1000 | 20.0320 | 23.3490 | 14% |
  | 10000 | 105.2070 | 125.5310 | 16% |

Tree-SHA512: ebedfeeb4c8ad75c89128e53cae976a82967dbb5ffd129da0f7204ccf9c3c15070b3d509f3767bebd745512e410200cc546147c836e82409f95fc9b8d14fc3ed
2018-02-05 16:17:00 -05:00
John Newbery c6f09c2713 [rpc] remove deprecated estimatefee RPC 2018-02-05 15:17:31 -05:00
MarcoFalke d32528e733
Merge #12331: Docs: Properly alphabetize output of CLI --help option.
d3e467520f Properly alphabetize output of CLI --help option. (murrayn)

Pull request description:

  The --help output of bitcoind, bitcoin-cli, bitcoin-tx, qt/bitcoin-qt, et al. is only about 90% alphabetized by option, which is kind of sloppy and occasionally misleading. This change (mostly) organizes the output alphabetically.

Tree-SHA512: 3029900dbe99f03397c1cbdb5e4ac09a13bc99bafe73c6855097206e4cdd9ad70d0b5cedb5e1e520005c3e9ef1c4cd32bb9d8c98ce6918d8434fec8bf06e56c8
2018-02-04 14:26:27 -05:00
MarcoFalke 1b06ed136f
Merge #12283: Fix typos
1340eda3b7 Fix typos (practicalswift)

Pull request description:

  Fix typos.

Tree-SHA512: 533a136831387ef26e9a74ba078437496bee38cc026da73fa9e6f6e7f4d5665eccac24cf3ef05e6d3af1329a1214f5ce71b039ddb8378b074e6d4408b8701f95
2018-02-02 05:35:51 -05:00
murrayn d3e467520f Properly alphabetize output of CLI --help option. 2018-02-01 23:19:41 -08:00
João Barbosa c409b1adac [rpc] Reduce scope of cs_main and cs_wallet locks in listtransactions 2018-02-02 01:58:24 +00:00
Wladimir J. van der Laan 7936446268
Merge #12276: Remove duplicate mapWallet lookups
039425c [wallet] Remove duplicate mapWallet lookups (João Barbosa)

Pull request description:

Tree-SHA512: 8075925d2adb64737c691e988d74a37bc326711aaee2c37327361679c051f219fa500e14cbcdb6a169352bcdbab160e11df4276b2657e19e12908ee2d4444d30
2018-01-30 10:16:31 +01:00
fanquake c6b6385651
[rpc] Mention that HD is enabled if hdmasterkeyid is present 2018-01-29 21:00:27 +08:00
João Barbosa 039425cf4f [wallet] Remove duplicate mapWallet lookups 2018-01-28 17:25:16 +00:00
practicalswift 1340eda3b7 Fix typos 2018-01-28 13:21:25 +01:00
Jonas Schnelli 7abb0f0929
Merge #12194: Add change type option to fundrawtransaction
16f6f59dc [qa] Test fundrawtransaction with change_type option (João Barbosa)
536ddeb17 [rpc] Add change_type option to fundrawtransaction (João Barbosa)
31dbd5af4 [wallet] Add change type to CCoinControl (João Barbosa)

Pull request description:

  Adds a new option `change_type` to `fundrawtransaction` RPC. This is useful to override the node `-changetype` argument.

  The new option is exclusive to `changeAddress` option, setting both raises a RPC error.

  See also #11403, #12119.

Tree-SHA512: 654686444f6125e37015a62f167064d54ec335701534988447be4687fa5ef9c7980a8a07cc0a03fff6ea6c4c1abf0f77a8843d535c4f3fe0bf93f968a4e676e6
2018-01-24 09:09:30 -10:00
Jonas Schnelli eadb2dacc3
Merge #12213: Add address type option to addmultisigaddress
f523c6bec [qa] Use address type in addmultisigaddress to avoid addwitnessaddress (João Barbosa)
886a92f25 [rpc] Add address type option to addmultisigaddress (João Barbosa)

Pull request description:

  Adds the option `address_type` to `addmultisigaddress` and `createmultisg` RPC. This also allows to avoid `addwitnessaddress` to obtain an `p2sh-segwit` or `bech32` multsig address.

  Related to #12210 as this reduces `addwitnessaddress` usage.

Tree-SHA512: 8f8f85dfcff66bb6c7e1e9865e37c285dead1d6dadb9672a89b92fa209d03cc35817ca1d656588c6c2146b728daaf7540b851929b640294653c62836cbefe7ee
2018-01-24 09:00:51 -10:00
MarcoFalke fa7ecbf9f8
initwallet: Do not translate highly technical addresstype help 2018-01-24 11:30:44 -05:00
João Barbosa 536ddeb173 [rpc] Add change_type option to fundrawtransaction 2018-01-24 16:00:50 +00:00
João Barbosa 31dbd5af48 [wallet] Add change type to CCoinControl 2018-01-24 15:52:05 +00:00
João Barbosa 886a92f25f [rpc] Add address type option to addmultisigaddress 2018-01-24 14:45:07 +00:00
Wladimir J. van der Laan 95941396ff
Merge #12119: [wallet] use P2WPKH change output if any destination is P2WPKH or P2WSH
596c446 [wallet] use P2WPKH change output if any destination is P2WPKH or P2WSH (Sjors Provoost)

Pull request description:

  If `-changetype` is not explicitly set, then regardless of `-addresstype`, the wallet will use a ~`bech32` change address~ `P2WPKH` change output if any destination is `P2WPKH` or `P2WSH`.

  This seems more intuitive to me and more in line with the spirit of [BIP-69](https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki).

  When combined with #11991 a QT user could opt to use `bech32` exclusively without having to figure out how to launch with `-changetype=bech32`, although so would #11937.

Tree-SHA512: 9238d3ccd1f3be8dfdd43444ccf45d6bdc6584ced3172a3045f3ecfec4a7cc8999db0cdb76ae49236492a84e6dbf3a1fdf18544d3eaf6d518e1f8bd241db33e7
2018-01-24 15:22:42 +01:00
Wladimir J. van der Laan 69ec021969
Merge #11415: [RPC] Disallow using addresses in createmultisig
1df206f Disallow using addresses in createmultisig (Andrew Chow)

Pull request description:

  This PR should be the last part of #7965.

  This PR makes createmultisig only accept public keys and marks the old functionality of accepting addresses as deprecated.

  It also splits `_createmultisig_redeemscript` into two functions, `_createmultisig_getpubkeys` and `_createmultisig_getaddr_pubkeys`. `_createmultisig_getpubkeys` retrieves public keys from the RPC parameters and `_createmultisig_getaddr_pubkeys` retrieves addresses' public keys from the wallet. `_createmultisig_getaddr_pubkeys` requires the wallet and is only used by `addwitnessaddress` (except when `createmultisig` is used in deprecated mode).

  `addwitnessaddress`'s API is also changed. Instead of returning just an address, it now returns the same thing as `createmultisig`: a JSON object with two fields, address and redeemscript.

Tree-SHA512: a5796e41935ad5e47d8165ff996a8b20d5112b5fc1a06a6d3c7f5513c13e7628a4fd37ec30fde05d8b15abfed51bc250710140f6834b13f64d0a0e47a3817969
2018-01-24 14:03:40 +01:00
Wladimir J. van der Laan 8470e64724
Merge #11281: Avoid permanent cs_main/cs_wallet lock during RescanFromTime
7f81250 Mention that other RPC calls report keys as "imported" while txns are still missing (Jonas Schnelli)
ccd8ef6 Reduce cs_main lock in ReadBlockFromDisk, only read GetBlockPos under the lock (Jonas Schnelli)
bc356b4 Make sure WalletRescanReserver has successfully reserved the rescan (Jonas Schnelli)
dbf8556 Add RAII wallet rescan reserver (Jonas Schnelli)
8d0b610 Avoid pemanent cs_main/cs_wallet lock during wallet rescans (Jonas Schnelli)

Pull request description:

  Right now, we are holding `cs_main`/`cs_wallet` during the whole rescan process (which can take a couple of hours).
  This was probably only done because of laziness and it is an important show-stopper for #11200 (GUI rescan abort).

Tree-SHA512: 0fc3f82d0ee9b2f013e6bacba8d59f7334306660cd676cd64c47bb305c4cb7c7a36219d6a6f76023b74e5fe87f3ab9fc7fd2439e939f71aef653fddb0a1e23b1
2018-01-24 12:56:23 +01:00
Jonas Schnelli 7f812502b7
Mention that other RPC calls report keys as "imported" while txns are still missing 2018-01-23 20:24:53 -10:00
Jonas Schnelli ccd8ef65f9
Reduce cs_main lock in ReadBlockFromDisk, only read GetBlockPos under the lock 2018-01-23 20:24:53 -10:00
Jonas Schnelli bc356b4268
Make sure WalletRescanReserver has successfully reserved the rescan 2018-01-23 20:24:18 -10:00
Jonas Schnelli dbf8556b4d
Add RAII wallet rescan reserver 2018-01-23 20:23:57 -10:00
Jonas Schnelli 8d0b610fe8
Avoid pemanent cs_main/cs_wallet lock during wallet rescans 2018-01-23 20:22:33 -10:00
Sjors Provoost 596c44633f
[wallet] use P2WPKH change output if any destination is P2WPKH or P2WSH
Only if -changetype is not set and -addresstype is not "legacy".
2018-01-23 17:56:15 +01:00
Russell Yanofsky ec527c6c88 Don't allow relative -walletdir paths
Also warn if bitcoind is configured to use a relative -datadir path.

Specifying paths relative to the current working directory in a daemon process
can be dangerous, because files can fail to be located even if the
configuration doesn't change, but the daemon is started up differently.

Specifying a relative -datadir now adds a warning to the debug log. It would
not be backwards-compatible to forbid relative -datadir paths entirely, and it
could also be also inconvenient for command line testing.

Specifying a relative -walletdir now results in a startup error. But since the
-walletdir option is new in 0.16.0, there should be no compatibility issues.
Another reason not to use working directory paths for -walletdir specifically
is that the default -walletdir is a "wallets" subdirectory inside the datadir,
so it could be surprising that setting -walletdir manually would choose a
directory rooted in a completely different location.
2018-01-18 15:09:27 -05:00
Wladimir J. van der Laan cdf3e03a72 wallet: Deprecate addwitnessaddress
Now that segwit is natively supported by the wallet, deprecate the hack `addwitnessaddress`.
2018-01-18 10:24:18 +01:00
Wladimir J. van der Laan c7978be899
Merge #12101: Clamp walletpassphrase timeout to 2^30 seconds and check its bounds
134cdc7 Test walletpassphrase timeout bounds and clamping (Andrew Chow)
0b63e3c Clamp walletpassphrase timeout to 2^(30) seconds and check its bounds (Andrew Chow)

Pull request description:

  Fixes #12100

  Makes the timeout be clamped to 2^30 seconds to avoid the issue with sign flipping with large timeout values and thus relocking the wallet instantly. Unlocking for at most ~34 years should be sufficient.

  Also checks that the timeout is not negative to avoid instant relocks.

Tree-SHA512: 426922f08c54e323d259e25dcdbebc2cd560708a65111ce6051493a7e7c61e79d9da1ea4026cc0d68807d728f5d7c0d7c58168c6ef4167b94cf6c2877af88794
2018-01-17 12:15:59 +01:00
Jonas Schnelli 062c8b69f4
Merge #11991: [qt] Receive: checkbox for bech32 address
63ac8907c [qt] receive tab: bech32 address opt-in checkbox (Sjors Provoost)

Pull request description:

  <img width="647" alt="schermafbeelding 2018-01-12 om 18 34 48" src="https://user-images.githubusercontent.com/10217/34887691-a6a796fe-f7c7-11e7-8b89-87ce07c61ce3.png">

  Checkbox does what you would expect. Press tab from the amount field to get there.

  It's unchecked by default.

  When launched with `-addresstype=bech32` it's checked by default. When launched with `-addresstype=legacy` it unchecked and disabled.

  The change in `receivecoinsdialog.ui` is smaller than it looks, due to the way git handles XML diffs. I had to add a horizontal spacer to make it look decent, see https://github.com/bitcoin/bitcoin/issues/11950#issuecomment-352870909. This causes column numbers to change in the rest of the grid.

  I recommend testing on at least one other OS than OSX to be on the safe side.

Tree-SHA512: ec4b733b796d9a94278a5d8040a69d9574ef50021e68f94f61f2da75d1bb57f39272cbc9f1f7d34f733a19640daf666a23844fcd132f83bfdaf327d9d1d6f105
2018-01-16 20:48:38 -10:00
Sjors Provoost 63ac8907ce
[qt] receive tab: bech32 address opt-in checkbox
When launched with -adresstype=legacy the checkbox will be hidden.
2018-01-16 20:11:40 +00:00
MarcoFalke cad504bf4c
Merge #12177: trivial: fix address_type help text of getnewaddress and getrawchangeaddress
5f911c5cc2 trivial: fix address_type help text of getnewaddress and getrawchangeaddress (mruddy)

Pull request description:

  "p2sh" in the help messages should have been "p2sh-segwit".

  The messages before this patch:

  `help getnewaddress`
  "address_type"   (string, optional) The address type to use. Options are "legacy", "**p2sh**", and "bech32". Default is set by -addresstype.

  `help getrawchangeaddress`
  "address_type"           (string, optional) The address type to use. Options are "legacy", "**p2sh**", and "bech32". Default is set by -changetype.

Tree-SHA512: 6dfc0bebe577995f5521b83a12854045ac3eda4e65c9b92fc581da4ee68ab1218e05af82f2154bb2640a0813c5f79e010cd9e5ada449494c8831b3757bda854c
2018-01-16 08:03:48 -05:00
MeshCollider 2f3bd47d44 Abstract directory locking into util.cpp 2018-01-16 19:05:46 +13:00
MeshCollider 5260a4aca1 Make .walletlock distinct from .lock 2018-01-16 19:05:46 +13:00
MeshCollider 64226de908 Generalise walletdir lock error message for correctness 2018-01-16 19:05:45 +13:00
MeshCollider e60cb99c58 Add a lock to the wallet directory 2018-01-16 19:02:57 +13:00
mruddy 5f911c5cc2 trivial: fix address_type help text of getnewaddress and getrawchangeaddress 2018-01-13 10:49:46 -05:00
Andrew Chow 0b63e3c7b2 Clamp walletpassphrase timeout to 2^(30) seconds and check its bounds
Clamps the timeout of walletpassphrase to 2^(30) seconds, which is
~34 years. Any number greater than that will be forced to be
2^(30). This avoids the sign flipping problem with large values which
can result in a negative time used.

Also perform bounds checks to ensure that the timeout is positive
to avoid immediate relocking of the wallet.
2018-01-11 23:57:38 -05:00
Andrew Chow 1df206f854 Disallow using addresses in createmultisig
Make createmultisig only accept public keys with the old functionality
marked as deprecated.

Splits _createmultisig_redeemscript into two functions, one for
getting public keys from UniValue and one for getting addresses
from UniValue and then their respective public keys. The one for
retrieving address's public keys is located in rpcwallet.cpp

Changes addwitnessaddress's output to be a JSON object with
two fields, address and redeemscript.

Adds a test to deprecated_rpc.py for testing the deprecation.

Update the tests to use addwitnessaddress or give only public keys
to createmultisig. Anything that used addwitnessaddress was also
updated to reflect the new API.
2018-01-11 14:13:24 -05:00
Russell Yanofsky f765bb3788 Fix ListCoins test failure due to unset g_address_type, g_change_type
New global variables were introduced in #11403 and not setting them causes:

    test_bitcoin: wallet/wallet.cpp:4199: CTxDestination GetDestinationForKey(const CPubKey&, OutputType): Assertion `false' failed.
    unknown location(0): fatal error in "ListCoins": signal: SIGABRT (application abort requested)

It's possible to reproduce the failure reliably by running:

    src/test/test_bitcoin --log_level=test_suite --run_test=wallet_tests/ListCoins

Failures happen nondeterministically because boost test framework doesn't run
tests in a specified order, and tests that run previously can set the global
variables and mask the bug.
2018-01-11 07:56:11 -05:00
Jonas Schnelli d889c036cd
Merge #11403: SegWit wallet support
b224a47a1 Add address_types test (Pieter Wuille)
7ee54fd7c Support downgrading after recovered keypool witness keys (Pieter Wuille)
940a21932 SegWit wallet support (Pieter Wuille)
f37c64e47 Implicitly know about P2WPKH redeemscripts (Pieter Wuille)
57273f2b3 [test] Serialize CTransaction with witness by default (Pieter Wuille)
cf2c0b6f5 Support P2WPKH and P2SH-P2WPKH in dumpprivkey (Pieter Wuille)
37c03d3e0 Support P2WPKH addresses in create/addmultisig (Pieter Wuille)
3eaa003c8 Extend validateaddress information for P2SH-embedded witness (Pieter Wuille)
30a27dc5b Expose method to find key for a single-key destination (Pieter Wuille)
985c79552 Improve witness destination types and use them more (Pieter Wuille)
cbe197470 [refactor] GetAccount{PubKey,Address} -> GetAccountDestination (Pieter Wuille)
0c8ea6380 Abstract out IsSolvable from Witnessifier (Pieter Wuille)

Pull request description:

  This implements a minimum viable implementation of SegWit wallet support, based on top of #11389, and includes part of the functionality from #11089.

  Two new configuration options are added:
  * `-addresstype`, with options `legacy`, `p2sh`, and `bech32`. It controls what kind of addresses are produced by `getnewaddress`, `getaccountaddress`, and `createmultisigaddress`.
  * `-changetype`, with the same options, and by default equal to `-addresstype`, that controls what kind of change is used.

  All wallet private and public keys can be used for any type of address. Support for address types dependent on different derivation paths will need a major overhaul of how our internal detection of outputs work. I expect that that will happen for a next major version.

  The above also applies to imported keys, as having a distinction there but not for normal operations is a disaster for testing, and probably for comprehension of users. This has some ugly effects, like needing to associate the provided label to `importprivkey` with each style address for the corresponding key.

  To deal with witness outputs requiring a corresponding redeemscript in wallet, three approaches are used:
  * All SegWit addresses created through `getnewaddress` or multisig RPCs explicitly get their redeemscripts added to the wallet file. This means that downgrading after creating a witness address will work, as long as the wallet file is up to date.
  * All SegWit keys in the wallet get an _implicit_ redeemscript added, without it being written to the file. This means recovery of an old backup will work, as long as you use new software.
  * All keypool keys that are seen used in transactions explicitly get their redeemscripts added to the wallet files. This means that downgrading after recovering from a backup that includes a witness address will work.

  These approaches correspond to solutions 3a, 1a, and 5a respectively from https://gist.github.com/sipa/125cfa1615946d0c3f3eec2ad7f250a2. As argued there, there is no full solution for dealing with the case where you both downgrade and restore a backup, so that's also not implemented.

  `dumpwallet`, `importwallet`, `importmulti`, `signmessage` and `verifymessage` don't work with SegWit addresses yet. They're remaining TODOs, for this PR or a follow-up. Because of that, several tests unexpectedly run with `-addresstype=legacy` for now.

Tree-SHA512: d425dbe517c0422061ab8dacdc3a6ae47da071450932ed992c79559d922dff7b2574a31a8c94feccd3761c1dffb6422c50055e6dca8e3cf94a169bc95e39e959
2018-01-10 20:55:41 -10:00