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Merge bitcoin/bitcoin#22217: refactor: Avoid wallet code writing node settings file

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49ee2a0ad8 Avoid wallet code writing node settings file (Russell Yanofsky)

Pull request description:

  Change wallet loading code to access settings through the Chain interface instead of writing settings.json directly. This is for running wallet and node in separate processes, since multiprocess code wouldn't easily work with different processes updating the same file.

  ---

  This PR is part of the [process separation project](https://github.com/bitcoin/bitcoin/projects/10). The commit was first part of larger PR #10102.

ACKs for top commit:
  jamesob:
    ACK 49ee2a0ad8 ([`jamesob/ackr/22217.1.ryanofsky.refactor_avoid_wallet_co`](https://github.com/jamesob/bitcoin/tree/ackr/22217.1.ryanofsky.refactor_avoid_wallet_co))
  ryanofsky:
    > ACK [49ee2a0](49ee2a0ad8) ([`jamesob/ackr/22217.1.ryanofsky.refactor_avoid_wallet_co`](https://github.com/jamesob/bitcoin/tree/ackr/22217.1.ryanofsky.refactor_avoid_wallet_co))
  Zero-1729:
    crACK 49ee2a0ad8
  meshcollider:
    Code review ACK 49ee2a0ad8

Tree-SHA512: a81c63b87816f739e02e3992808f314294d6c7213babaafdaaf3c4650ebc97ee4f98f9a4684ce4ff87372df59989b8ad5929159c5686293a7cce04e97e2fabba
This commit is contained in:
Samuel Dobson
2021-08-19 10:03:18 +12:00
parent f5a406f003 49ee2a0ad8
commit e9d6eb1b80
4 changed files with 30 additions and 12 deletions
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11
src/interfaces/chain.h
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@@ -265,11 +265,18 @@ public:
//! Current RPC serialization flags.
virtual int rpcSerializationFlags() = 0;
//! Get settings value.
virtual util::SettingsValue getSetting(const std::string& arg) = 0;
//! Get list of settings values.
virtual std::vector<util::SettingsValue> getSettingsList(const std::string& arg) = 0;
//! Return <datadir>/settings.json setting value.
virtual util::SettingsValue getRwSetting(const std::string& name) = 0;
//! Write a setting to <datadir>/settings.json.
virtual bool updateRwSetting(const std::string& name, const util::SettingsValue& value) = 0;
//! Write a setting to <datadir>/settings.json. Optionally just update the
//! setting in memory and do not write the file.
virtual bool updateRwSetting(const std::string& name, const util::SettingsValue& value, bool write=true) = 0;
//! Synchronously send transactionAddedToMempool notifications about all
//! current mempool transactions to the specified handler and return after