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2018-05-10Merge #13192: [tests] Fixed intermittent failure in p2p_sendheaders.py.MarcoFalke
12d1b77f7e [tests] Fixed intermittent failure in p2p_sendheaders.py. (lmanners) Pull request description: Added handling for the case where headers are announced over more than one message. refs #12453 Tree-SHA512: 2c5b48ff019089b86e358181ba170d3aac09d4ae41ec79c2718e0ee83705860501bbcb8fd94d0f5c4f86c0d54a96781a967716621bb8c5ecc991b39af3cec506
2018-05-10Merge #13201: [qa] Handle disconnect_node raceMarcoFalke
09c6699900 [qa] Handle disconnect_node race (Suhas Daftuar) Pull request description: Several tests call disconnect_nodes() on each node-pair in rapid succession, resulting in a race condition if a node disconnects a peer in-between the calculation of the nodeid's to disconnect and the invocation of the disconnectnode rpc call. Handle this. Tree-SHA512: 3078cea0006fcb507c812004a777c505eb1e9dda7c6df12dbbe72395a73ff6f6760f597b6492054f5487b34534417ddef5fbad30553c135c288c4b7cfce79223
2018-05-09[qa] Handle disconnect_node raceSuhas Daftuar
Several tests call disconnect_nodes() on each node-pair in rapid succession, resulting in a race condition if a node disconnects a peer in-between the calculation of the nodeid's to disconnect and the invocation of the disconnectnode rpc call. Handle this.
2018-05-09[qa] Avoid printing to console during cache creationSuhas Daftuar
2018-05-09[tests] Allow stderr to be tested against specified stringJohn Newbery
Allow bitcoind's stderr to be tested against a specified string on shutdown.
2018-05-09[Tests] Use LIBC_FATAL_STDERR_=1 in testsJohn Newbery
By default, libc will print fatal errors to /dev/tty instead of stderr. Adding the LIBC_FATAL_STDERR_ to the environment variables allows us to catch libc errors in stderr and test for them.
2018-05-09[Tests] Write stdout/stderr to datadir instead of temp file.John Newbery
2018-05-09Merge #13188: qa: Remove unused option --srcdirWladimir J. van der Laan
fac1e1f qa: Remove unused option --srcdir (MarcoFalke) Pull request description: The `srcdir` option was both unused and misleading; It should have been called `builddir`. So remove it. Tree-SHA512: 2c24dcf2aa82219158b8cbbf03dd3f0f51f805f1f5f670faa1fd59e5a8d60fda120ffddadeccb058d8d3f20583b4952be7afd2df6bbefb9367d35c0f0a9fda3c
2018-05-09Merge #12265: [test] fundrawtransaction: lock watch-only shared addressWladimir J. van der Laan
891beb0 [test] fundrawtransaction: lock watch-only shared address (Karl-Johan Alm) Pull request description: `self.nodes[0]` creates an address which is watch-only-shared with `self.nodes[3]`. If `nodes[0]` spends the associated UTXO during any of its sends later, the watchonly test will fail, as `nodes[3]` now has insufficient funds. I ran into this in #12257 and this commit is in that PR as well, but I figured I'd split it out (and remove from there once/if merged). Tree-SHA512: d04a04b1ecebe82127cccd47c1b3de311bf07f4b51dff80db20ea2f142e1d5c4a85ed6180c5c0b081d550e238c742e119b953f60f487deac5a3f3536e1a8d9fe
2018-05-09Merge #10267: New -includeconf argument for including external configuration ↵Wladimir J. van der Laan
files 25b7ab9 doc: Add release notes for -includeconf (Karl-Johan Alm) 0f0badd test: Test includeconf parameter. (Karl-Johan Alm) 629ff8c -includeconf=<path> support in config handler, for including external configuration files (Karl-Johan Alm) Pull request description: Fixes: #10071. Done: - adds `-includeconf=<path>`, where `<path>` is relative to `datadir` or to the path of the file being read, if in a file - protects against circular includes - updates help docs ~~~Thoughts:~~~ - ~~~I am not sure how to test this in a neat manner. Feedback on this would be nice. Will dig/think though.~~~ Tree-SHA512: cb31f1b2f69fbc0890d264948eb2e501ac05cf12f5e06a5942f9c1539eb15ea8dc3cae817f4073aecb2fcc21d0386747f14f89d990772003a76e2a6d25642553
2018-05-09[tests] Fixed intermittent failure in p2p_sendheaders.py.lmanners
Added handling for the case where headers are announced over more than one message. refs #12453
2018-05-08qa: Remove unused option --srcdirMarcoFalke
2018-05-03Merge #12729: Get rid of ambiguous OutputType::NONE valueWladimir J. van der Laan
1e46d8a Get rid of ambiguous OutputType::NONE value (Russell Yanofsky) Pull request description: Based on suggestion by @sipa https://github.com/bitcoin/bitcoin/pull/12119#issuecomment-357982763 After #12119, the NONE output type was overloaded to refer to either an output type that couldn't be parsed, or to an automatic change output mode. This change drops the NONE enum and uses a simple bool to indicate parse failure, and a new CHANGE_AUTO enum to refer the change output type. This change is almost a pure refactoring except it makes RPCs reject empty string ("") address types instead of treating them like they were unset. This simplifies the parsing code a little bit and could prevent RPC usage mistakes. It's noted in the release notes. Follows up #12408 by @MarcoFalke Followups for future PRs: - [ ] Add explicit support for specifying "auto" in `ParseOutputType` as suggested by promag and sipa: https://github.com/bitcoin/bitcoin/pull/12729#issuecomment-374799567 and https://github.com/bitcoin/bitcoin/pull/12729#discussion_r175969481 - [ ] Add wallet `AddressChangeType` method to complement `TransactionChangeType`: https://github.com/bitcoin/bitcoin/pull/12729#discussion_r175969618. Tree-SHA512: 8b08b272bcb177a0a9e556dcd965840a7fe601ef83ca97938b879c9b1a33b5b3f96939e1bceef11ba7c644ac21bfd6c1dbc6ca715cd1da4ace50475240e4ee48
2018-05-02test: Test includeconf parameter.Karl-Johan Alm
2018-05-02rpcauth: Make it possible to provide a custom passwordWladimir J. van der Laan
This adds the functionality to specify a custom password to `rpcauth.py`, as well as makes the code (IMO) easier to understand.
2018-05-01[tests] Fix flake8 warnings in several wallet functional testsJohn Newbery
This commit fixes flake8 warnings in the following functional tests: - wallet_listreceivedby.py - wallet_basic.py - wallet_txn_clone.py - wallet_listsinceblock.py - wallet_import_rescan.py - wallet_listtransactions.py - wallet_importprunedfunds.py - wallet_txn_doublspend.py
2018-04-30[tests] Fix race in rpc_deprecated.pyJohn Newbery
Fixes a block generation race.
2018-04-27Add --failfast option to functional test runnerJames O'Beirne
Also cleans up run_test's arguments list (no more mutable default for `args`) and call site.
2018-04-27Merge #13090: Remove Safe mode (achow101)Wladimir J. van der Laan
d8e9a2a Remove "rpc" category from GetWarnings (Wladimir J. van der Laan) 7da3b0a rpc: Move RPC_FORBIDDEN_BY_SAFE_MODE code to reserved section (Wladimir J. van der Laan) 2ae705d Remove Safe mode (Andrew Chow) Pull request description: Rebase of #10563. Safe mode was [disabled by default and deprecated in 0.16](https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-0.16.0.md#safe-mode-disabled-by-default), so probably should be removed for 0.17. > Rationale: > > Safe mode is useless. It only disables some RPC commands when large work forks are detected. Nothing else is affected by safe mode. It seems that very few people would be affected by safe mode. The people who use Core as a wallet are primarily using it through the GUI, which safe mode does not effect. In the GUI, transactions will still be made as normal; only a warning is displayed. > > I also don't think that we should be disabling RPC commands or any functionality in general. If we do, it should be done consistently, which safe mode is not. If we want to keep the idea of a safe mode around, I think that the current system needs to go first before a new system can be implemented. Tree-SHA512: 067938f47ca6e879fb6c3c4e21f9946fd7c5da3cde67ef436f1666798c78d049225b9111dc97064f42b3bc549d3915229fa19ad5a634588f381e34fc65d64044
2018-04-26Merge #13002: Do not treat bare multisig outputs as IsMine unless watchedWladimir J. van der Laan
7d0f80b Use anonymous namespace instead of static functions (Pieter Wuille) b61fb71 Mention removal of bare multisig IsMine in release notes (Pieter Wuille) 9c2a8b8 Do not treat bare multisig as IsMine (Pieter Wuille) 08f3228 Optimization: only test for witness scripts at top level (Pieter Wuille) 3619735 Track difference between scriptPubKey and P2SH execution in IsMine (Pieter Wuille) ac6ec62 Switch to a private version of SigVersion inside IsMine (Pieter Wuille) 19fc973 Do not expose SigVersion argument to IsMine (Pieter Wuille) fb1dfbb Remove unused IsMine overload (Pieter Wuille) 952d821 Make CScript -> CScriptID conversion explicit (Pieter Wuille) Pull request description: Currently our wallet code will treat bare multisig outputs (meaning scriptPubKeys with multiple public keys + `OP_CHECKMULTISIG` operator in it) as ours without the user asking for it, as long as all private keys in it are in our wallet. This is a pointless feature. As it only works when all private keys are in one place, it's useless compared to single key outputs (P2PK, P2PKH, P2WPKH, P2SH-P2WPKH), and worse in terms of space, cost, UTXO size, and ability to test (due to lack of address format for them). Furthermore, they are problematic in that producing a list of all `scriptPubKeys` we accept is not tractable (it involves all combinations of all public keys that are ours). In further wallet changes I'd like to move to a model where all scriptPubKeys that are treated as ours are explicit, rather than defined by whatever keys we have. The current behavior of the wallet is very hard to model in such a design, so I'd like to get rid of it. I think there are two options: * Remove it entirely (do not ever accept bare multisig outputs as ours, unless watched) * Only accept bare multisig outputs in situations where the P2SH version of that output would also be acceptable This PR implements the first option. The second option was explored in #12874. Tree-SHA512: 917ed45b3cac864cee53e27f9a3e900390c576277fbd6751b1250becea04d692b3b426fa09065a3399931013bd579c4f3dbeeb29d51d19ed0c64da75d430ad9a
2018-04-26Merge #13003: qa: Add test for orphan handlingWladimir J. van der Laan
fa02c5b qa: Clarify documentation for send_txs_and_test (MarcoFalke) fadfbd3 qa: Add test for orphan handling (MarcoFalke) Pull request description: Tree-SHA512: e0932d6bd03c73e3113f5457a3ffa3bbfc7b6075dfca8de95224d9df875e60ca6eb15cd8baa226f13de965483006559556191630a83c3bb431e79c53a85ef73f
2018-04-26Remove Safe modeAndrew Chow
2018-04-26Merge #12321: p2wsh and p2sh-p2wsh address in decodescriptWladimir J. van der Laan
41ff967 list the types of scripts we should consider for a witness program (fivepiece) 4f933b3 p2wpkh, p2wsh and p2sh-nested scripts in decodescript (fivepiece) Pull request description: Attempts to address #12244 . `p2wsh` addresses are returned only for scripts that are neither `p2sh` nor any witness program. Tree-SHA512: eb47f094c1a4c2ad2bcf27a8032307e43cf787d50bf739281aeb4101d97316a2f307b05118bf138298c937fa34e15f91436443a9b313f809fad2c43e94cd1831
2018-04-26Merge #12240: [rpc] Introduced a new `fees` structure that aggregates all ↵Wladimir J. van der Laan
sub-field fee types denominated in BTC 7de1de7 Add new fee structure with all sub-fields denominated in BTC (mryandao) Pull request description: the denomination for `fee` is current in btc while the other such as `decendentFee` and `ancestorFee` are in satoshis. Tree-SHA512: e428f6dca1d339f89ab73e38ce5903f5465c46b159069d9bcc3f8b1140fe6657fa49a11abe0088e9f7ba9999f64af72a349a4735bf5eaa61b8e4a185b23543f3
2018-04-26Don't test against min relay fee information in mining_prioritisetransaction.pyKristaps Kaupe
Same reasoning as in 55f89da1a5048cf275c37bceef664e7c04831a35
2018-04-25Merge #13056: [tests] Make rpcauth.py testable and add unit testsWladimir J. van der Laan
6674a75 [tests] Make rpcauth.py testable and add unit tests (Qasim Javed) Pull request description: refs #12995 Tree-SHA512: 609a85a75dafe46723f050db1e96098f6859519afd5e1b141a332f34ab715144d32fdd8f10d245d6dc0765e77f82158fe7b8aa2e4317f0e893de491d2e0acf1f
2018-04-25Merge #13051: qa: Normalize executable locationWladimir J. van der Laan
fa811b0 qa: Normalize executable location (MarcoFalke) Pull request description: This removes the need to override the executable locations by just reading them from the config file. Beside making the code easier to read, running individual test on Windows is now possible by default (without providing further command line arguments). Note: Of course, it is still possible to manually specify the location through the `BITCOIND` environment variable, e.g. `bitcoin-qt`. Tree-SHA512: bee6d22246796242d747120ca18aaab089f73067de213c9111182561985c5912228a0b0f7f9eec025ecfdb44db031f15652f30d67c489d481c995bb3232a7ac7
2018-04-24[tests] Make rpcauth.py testable and add unit testsQasim Javed
refs #12995
2018-04-24qa: Clarify documentation for send_txs_and_testMarcoFalke
2018-04-24Merge #12909: wallet: Make fee settings to be non-static membersWladimir J. van der Laan
fac0db0 wallet: Make fee settings non-static members (MarcoFalke) Pull request description: The wallet header defined some globals (they were called "settings"), that should be class members instead. This commit is hopefully only refactoring, apart from a multiwallet bugfix: Calling the rpc `settxfee` for one wallet, would set (and change) the fee rate for all loaded wallets. (See added test case) Tree-SHA512: 4ab6ec2f5c714742396ded5e451ec3b1ceb771e3696492de29889d866de4365b3fbe4a2784d085c8b8bd11b1ebb8a1fec99ab2c62eee716791cfc67c0cf29e1b
2018-04-24Merge #12953: Deprecate accountsWladimir J. van der Laan
cead28b [docs] Add release notes for deprecated 'account' API (John Newbery) 72c9575 [wallet] [tests] Add tests for accounts/labels APIs (John Newbery) 109e05d [wallet] [rpc] Deprecate wallet 'account' API (John Newbery) 3576ab1 [wallet] [rpc] Deprecate account RPC methods (John Newbery) 3db1ba0 [tests] Set -deprecatedrpc=accounts in tests (John Newbery) 4e671f0 [tests] Rename rpc_listtransactions.py to wallet_listtransactions.py (John Newbery) a28b907 [wallet] [rpc] Remove duplicate entries in rpcwallet.cpp's CRPCCommand table (John Newbery) Pull request description: Deprecate all accounts functionality and make it only accessible by using `-deprecatedrpc=accounts`. Accounts specific RPCs, account arguments, and account related results all require the `-deprecatedrpc=accunts` startup option now in order to see account things. Several wallet functional tests use the accounts system. Those tests are unchanged, except to start the nodes with `-deprecatedrpc=accounts`. We can slowly migrate those tests to use the 'label' API instead of the 'account' API before accounts are fully removed. Tree-SHA512: 89f4ae2fe6de4a1422f1817b0997ae22d63ab5a1a558362ce923a3871f3e42963405d6573c69c27f1764679cdee5b51bf52202cc407f1361bfd8066d652f3f37
2018-04-24Merge #13024: test: Add rpcauth pair that generated by rpcauth.pyWladimir J. van der Laan
8b8032e test: Add rpcauth pair that generated by rpcauth (Chun Kuan Lee) Pull request description: This PR adds a rpcauth pair that is randomly generated. Also checks that rpcauth.py works fine. Resolve #12995 Tree-SHA512: d9661f40e306bcf528dc25919c874ebcdbdd21101319985dc12ce133c80fd0021cfee5e4bfe8ee7970eccc2e24c97e596263b270fe0b79f3613ae573a825ed63
2018-04-24Merge #12436: [rpc] Adds a functional test to validate the transaction ↵Wladimir J. van der Laan
version number in the RPC output 09b30db Asserts that the tx version number is a signed 32-bit integer. (251) Pull request description: This PR attempts to resolve #11561 by addressing the feedback from @MarcoFalke; and @gmaxwell in #12430. Commit 30e9d24 adds a functional test to `rpc_rawtransaction.py` to assert that the transaction version number in the RPC output is a signed 32-bit integer. The functional test uses the raw transaction data from Mainnet transaction `c659729a7fea5071361c2c1a68551ca2bf77679b27086cc415adeeb03852e369`. Tree-SHA512: d78f3120b9aa04537561ab5584769a838b25e162c5caa6e1543256fb27538aa4c708c939fb5ba93ccb3fa676c2d92ce8eb9cc78869f80ac96be64a7bec7bebd0
2018-04-24Merge #13032: Output values for "min relay fee not met" errorWladimir J. van der Laan
1accfbc Output values for "min relay fee not met" error (Kristaps Kaupe) Pull request description: It is already done this way for "mempool min fee not met" error. Tree-SHA512: 829db78ecc066cf93b8e93ff1aeb4e7b98883cf45f341d5be6e6b4dff4135f3f54fa49b3a6f12eb43f676a9ba54f981143c9887f786881e584370434a9566cfd
2018-04-24Merge #13022: [qa] Attach node index to test_node AssertionError and print ↵Wladimir J. van der Laan
messages 80a5e59 [qa] Attach node index to test_node AssertionError and print messages (James O'Beirne) Pull request description: In the midst of fighting with https://github.com/bitcoin/bitcoin/pull/12873 it became apparent that there're a number of assertions and print statements which are emitted by test nodes but don't identify the node in question. This change makes debugging a bit easier by adding identifying information to non-logger test_node-related error messages. Tree-SHA512: 7cc86f2c81f4b3fdba15ec9a2d21a84c4b083629e845e82288087c3affbbdc5c68e74067621856cc97fe84fbc8cb4f5ca4977a51ef381e5d74515df8eb001239
2018-04-23Merge #13030: [bugfix] [wallet] Fix zapwallettxes/multiwallet interaction.Wladimir J. van der Laan
1f83839 [wallet] [tests] Test disallowed multiwallet params (John Newbery) 3476e3c [wallet] Fix zapwallettxes/multiwallet interaction. (John Newbery) Pull request description: `-zapwallettxes` should be disallowed when starting bitcoin in multiwallet mode. There's code in `WalletInit::ParameterInteraction()` to disallow `-zapwallettxes` when running in multiwallet mode. This code functioned as expected when passing the parameter `-zapwallettxes=1`, but not when passing the parameter `-zapwallettxes` (ie without the value specified). Fix that and add a test. The new test in the _[wallet] [tests] Test disallowed multiwallet params_ commit reproduces the bug and should fail against master. Fixes #12505 Tree-SHA512: 6cd921717e9c7d2773ca84c946c310c2adec8430e37cbecdb33a620f510db3058a72bd328411812ba415111bc52a3367b332c9d15a37a92ccfd7ae785d2f32ab
2018-04-23wallet: Make fee settings non-static membersMarcoFalke
2018-04-23Merge #12510: test: Add rpc_bind test to default-run testsWladimir J. van der Laan
e87fefc test: Add rpc_bind test to default-run tests (Wladimir J. van der Laan) Pull request description: Skip the parts that cannot be run on the host due to lack of IPv6 support or a second interface to bind on, and warn appropriately. Without no strong requirements (besides being Linux only, which will skip the test) left, add this test to the default in test_runner. ~~(the non-IPv6 parts of the two dual-IPv4/6 tests could also be enabled, but first going to look what Travis does here to see if there wasn't another reason it was disabled)~~ done, it only makes sense for the first Tree-SHA512: 724259b14f59dccc7e61ef071359336adb0f76a63db392b6ce6940e21c8ee0470c35374e82970681261685ef299cd70b0c1372598cea85d341f64c2c40ea28ee
2018-04-23test: Add rpcauth pair that generated by rpcauthChun Kuan Lee
2018-04-21Merge #13048: [tests] Fix feature_block flakinessMarcoFalke
c1d742025c [tests] Fix feature_block flakiness (John Newbery) Pull request description: feature_block.py occasionally fails on Travis. I believe this is due to a a race condition when reconnecting to bitcoind after a subtest that expects disconnection. If the test runs ahead and sends the INV for the subsequent test before we've received the initial sync getheaders, then we may end up sending two headers messages - one as a response to the initial sync getheaders and one in response to the INV getheaders. If both of those headers fail validation with a DoS score of 50 or higher, then we'll unexpectedly be disconnected. There is only one validation failure that has a DoS score bewteen 50 and 100, which is high-hash. That's why the test is failing immediately after the "Reject a block with invalid work" subtest. Fix is to wait for the initial getheaders from the peer before we start populating our blockstore. That way we won't have any invalid headers to respond to it with. Tree-SHA512: dc17d795fcfaf0f8c0bf1e9732b5e11fbc8febbfafba4c231b7c13a5404a2c297dcd703a7a75bc7f353c893e12efc87f424f2201abd47ba5268af32d4d2e841f
2018-04-21qa: Normalize executable locationMarcoFalke
2018-04-20[tests] Fix feature_block flakinessJohn Newbery
feature_block.py occasionally fails on Travis. I believe this is due to a a race condition when reconnecting to bitcoind after a subtest that expects disconnection. If the test runs ahead and sends the INV for the subsequent test before we've received the initial sync getheaders, then we may end up sending two headers messages - one as a response to the initial sync getheaders and one in response to the INV getheaders. If both of those headers fail validation with a DoS score of 50 or higher, then we'll unexpectedly be disconnected. There is only one validation failure that has a DoS score bewteen 50 and 100, which is high-hash. That's why the test is failing immediately after the "Reject a block with invalid work" subtest. Fix is to wait for the initial getheaders from the peer before we start populating our blockstore. That way we won't have any invalid headers to respond to it with.
2018-04-20[tests] tidy up blocktools.pyJohn Newbery
Moves function comments to docstrings, and moves the module-level constant to the top of the file.
2018-04-20[tests] Fix flake8 warnings in blocktools.pyJohn Newbery
2018-04-20[doc][trivial] no retargeting in regtest modeJesse Cohen
2018-04-19Do not treat bare multisig as IsMinePieter Wuille
Such outputs can still be watched, and signed for, but they aren't treated as valid payments. That means they won't cause transactions to appear in listtransactions, their outputs to be shown under listunspent, or affect balances.
2018-04-20Output values for "min relay fee not met" errorKristaps Kaupe
2018-04-19Merge #11739: Enforce SCRIPT_VERIFY_P2SH and SCRIPT_VERIFY_WITNESS from genesisMarcoFalke
8b56fc0b91 [qa] Test that v0 segwit outputs can't be spent pre-activation (Suhas Daftuar) ccb8ca42a4 Always enforce SCRIPT_VERIFY_WITNESS with P2SH (Suhas Daftuar) 5c31b20a35 [qa] Remove some pre-activation segwit tests (Suhas Daftuar) 95749a5836 Separate NULLDUMMY enforcement from SEGWIT enforcement (Suhas Daftuar) ce650182f4 Use P2SH consensus rules for all blocks (Suhas Daftuar) Pull request description: As discussed at the IRC meeting back in October (https://botbot.me/freenode/bitcoin-core-dev/2017-10-12/?msg=92231929&page=2), I had looked into the feasibility of enforcing P2SH and SCRIPT_VERIFY_WITNESS back to the genesis block. The P2SH change is pretty straightforward -- there was only one historical block on mainnet that violated the rule, so I carved out an exception to it, similar to the way we have exceptions for the BIP30 violators. The segwit change is not entirely as clear. The code changes themselves are relatively straightforward: we can just always turn on SCRIPT_VERIFY_WITNESS whenever P2SH is active. However conceptually, this amounts to splitting up BIP141 into two parts, the part that implements new script rules, and the part that handles witness commitments in blocks. Arguably though the script rules are really defined in BIP 143 anyway, and so this really amounts to backdating BIP 143 -- script rules for v0 segwit outputs -- back to genesis. So maybe conceptually this isn't so bad... I don't feel strongly about this change in either direction; I started working on it because I was searching for a way to simplify the way we understand and implement the consensus rules around segwit, but I'm not yet sure whether I think this achieves anything toward that goal. ping @TheBlueMatt Tree-SHA512: 73551d4a983eb9792c7ac67f56005822528ac4d1fd52c27cee6d305ebee953f69687ef4ddee8bdc0fec77f77e6b5a9d669750793efee54c076533a095e233042
2018-04-19[wallet] [tests] Test disallowed multiwallet paramsJohn Newbery
Add a test to check that bitcoind fails to start when specifying -zapwallettxes, -salvagewallet and -upgradewallet when running in multiwallet mode.
2018-04-19[qa] Attach node index to test_node AssertionError and print messagesJames O'Beirne
to aid debugging. Feedback incorporated from @Empact.