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39ead664f9
dash/src/interfaces
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fanquake 39ead664f9 Merge #18241: wallet/refactor: refer to CWallet immutably when possible 
79facb11e92f8b61063f301027dee7c7344eb1be wallet: use constant CWallets in rpcwallet.cpp (Karl-Johan Alm)
d9b0ebc1da8758645f6de24a4a557511ef9b5e36 wallet: make ReserveDestination pwallet ivar const (Karl-Johan Alm)
57c569e4d9779e2263848770e0ba7eab3054a1bf wallet: make BackupWallet() const (Karl-Johan Alm)
df3a818d2a9fe48e656a8ad2da18fab8a1bfd6e3 wallet: make getters const (Karl-Johan Alm)
227b9dd2d6e1914edfec108af6bec5f12d9f6f39 wallet/spkm: make GetOldestKeyPoolTime() const (Karl-Johan Alm)
22d329ad0ed3ed501bd811720be6a2876d1afe4d wallet: use constant CWallets in rpcdump.cpp (Karl-Johan Alm)
7b3587b29db9eaf11718fc09d48817a45a0a429a wallet/db: make IsDummy() const (Karl-Johan Alm)
d366795d180bc52ba750f71f201a6e5e0c40f1b6 wallet/db: make Backup() const (Karl-Johan Alm)
8cd0b86340870d8f359e4ae26880e03ea36818ab wallet: make CanGetAddresses() const (Karl-Johan Alm)
037fa770eb1ed5152b3ef2c5d3fb2a812d3ef944 wallet: make KeypoolCountExternalKeys() const (Karl-Johan Alm)
ddc93557ad0cf8e433df850d38710828ccd99c16 wallet: make CanGenerateKeys() const (Karl-Johan Alm)
dc2d0650fdb69d27fe1b0092555b7841d542a635 make BlockUntilSyncedToCurrentChain() const (Karl-Johan Alm)

Pull request description:

  A lot of places refer to `CWallet*`'s as `CWallet * const`, which translates to *"an immutable pointer to a mutable `CWallet` instance"*; this is

  1. often not what the author meant, especially as a lot of these places do not at all modify the wallet object, and
  2. confusing, as it tends to suggest that this is a proper way to refer to a constant `CWallet` instance.

  This PR changes references to wallets to `const CWallet* const` whenever immutability is expected. This should result in no behavioral changes at all, and improved compile-time error checking.

  Note from irc:

  > <sipa> sounds good to me; this is the sort of change that as long as it compiles, the behavior shouldn't change
  > <sipa> though in general it may lead to introducing automatic copying of objects sometimes (e.g. trying to std::move a const object will work, but generally result in a copy rather than an efficient move)
  > <sipa> CWallet objects aren't copied or moved though

ACKs for top commit:
  laanwj:
    ACK 79facb11e92f8b61063f301027dee7c7344eb1be
  Empact:
    ACK 79facb11e9
  promag:
    ACK 79facb11e92f8b61063f301027dee7c7344eb1be.
  fjahr:
    ACK 79facb11e92f8b61063f301027dee7c7344eb1be

Tree-SHA512: 80a80c1a52f0f788d0ccb268b53bc0f46c796643a3c5a22b55bbbde4ffa6c7e347784e5e53b1e488a3b4e14399e31d5be9417ad5b6319c74a462609e9b1a98e8
2023-03-19 11:08:31 -05:00
..
chain.cpp fix: follow up backport bitcoin#16426 2023-03-19 11:08:31 -05:00
chain.h fix: follow up backport bitcoin#16426 2023-03-19 11:08:31 -05:00
handler.cpp merge bitcoin#21404: Remove MakeUnique<T>() 2022-10-20 16:08:45 -05:00
handler.h merge bitcoin#16963: Fix unique_ptr usage in boost::signals2 2022-05-13 18:06:06 +05:30
node.cpp merge bitcoin#18766: disable fee estimation in blocksonly mode (by removing the fee estimates global) 2023-02-28 00:11:11 +03:00
node.h merge bitcoin#18766: disable fee estimation in blocksonly mode (by removing the fee estimates global) 2023-02-28 00:11:11 +03:00
README.md Merge #15531: Suggested interfaces::Chain cleanups from #15288 2021-11-30 00:01:17 -05:00
wallet.cpp Merge #18241: wallet/refactor: refer to CWallet immutably when possible 2023-03-19 11:08:31 -05:00
wallet.h Merge #18241: wallet/refactor: refer to CWallet immutably when possible 2023-03-19 11:08:31 -05:00

README.md

Internal c++ interfaces

The following interfaces are defined here:

  • Chain — used by wallet to access blockchain and mempool state. Added in #14437, #14711, #15288, and #10973.

  • ChainClient — used by node to start & stop Chain clients. Added in #14437.

  • Node — used by GUI to start & stop bitcoin node. Added in #10244.

  • Wallet — used by GUI to access wallets. Added in #10244.

  • Handler — returned by handleEvent methods on interfaces above and used to manage lifetimes of event handlers.

  • Init — used by multiprocess code to access interfaces above on startup. Added in #10102.

The interfaces above define boundaries between major components of bitcoin code (node, wallet, and gui), making it possible for them to run in different processes, and be tested, developed, and understood independently. These interfaces are not currently designed to be stable or to be used externally.