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doc: Clarify RPC versioning

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MarcoFalke 2019-04-11 15:53:06 -04:00
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doc/JSON-RPC-interface.md
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@ -5,6 +5,18 @@ The headless daemon `bitcoind` has the JSON-RPC API enabled by default, the GUI
option. In the GUI it is possible to execute RPC methods in the Debug Console
Dialog.
## Versioning
The RPC interface might change from one major version of Bitcoin Core to the
next. This makes the RPC interface implicitly versioned on the major version.
The version tuple can be retrieved by e.g. the `getnetworkinfo` RPC in
`version`.
Usually deprecated features can be re-enabled during the grace-period of one
major version via the `-deprecatedrpc=` command line option. The release notes
of a new major release come with detailed instructions on what RPC features
were deprecated and how to re-enable them temporarily.
## Security
The RPC interface allows other programs to control Bitcoin Core,