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bitcoin/src/interfaces
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Ryan Ofsky 156f49d682 interfaces: Change getUnspentOutput return type to avoid multiprocess segfault 
Coin serialize method segfaults if IsSpent condition is true. This caused
multiprocess code to segfault when serializing the Coin& output argument to of
the Node::getUnspentOutput method if the coin was not found. Segfault could be
triggered by double clicking and viewing transaction details in the GUI
transaction list.

Fix this by replacing Coin& output argument with optional<Coin> return value to
avoid trying to serializing spent coins.
2023-10-20 10:30:16 -04:00
..
chain.h
interfaces: Add schedulerMockForward method so mockscheduler RPC can work across processes
2023-10-20 10:30:16 -04:00
echo.h
multiprocess: Add echoipc RPC method and test
2021-04-23 03:02:50 -05:00
handler.h
scripted-diff: Bump copyright headers
2022-12-24 23:49:50 +00:00
init.h
scripted-diff: Bump copyright headers
2022-12-24 23:49:50 +00:00
ipc.h
Add ipc::Context and ipc::capnp::Context structs
2021-06-10 09:58:45 -05:00
node.h
interfaces: Change getUnspentOutput return type to avoid multiprocess segfault
2023-10-20 10:30:16 -04:00
README.md
multiprocess: Add comments and documentation
2021-04-23 03:02:50 -05:00
wallet.h
interfaces: Fix const virtual method that breaks multiprocess support
2023-10-20 10:30:16 -04:00

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 #19160.

  • Ipc — used by multiprocess code to access Init interface across processes. Added in #19160.

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.