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Merge #17578: rpc: simplify getaddressinfo labels, deprecate previous behavior

Browse Source 
8925df86c4 doc: update release notes (Jon Atack)
8bb405bbad test: getaddressinfo labels purpose deprecation test (Jon Atack)
60aba1f2f1 rpc: simplify getaddressinfo labels, deprecate previous behavior (Jon Atack)
7851f14ccf rpc: incorporate review feedback from PR 17283 (Jon Atack)

Pull request description:

  This PR builds on #17283 (now merged) and is followed by #17585.

  It modifies the value returned by rpc getaddressinfo `labels` to an array of label name strings and deprecates the previous behavior of returning an array of JSON hash structures containing label `name` and address `purpose` key/value pairs.

  before
  ```
    "labels": [
      {
        "name": "DOUBLE SPEND",
        "purpose": "receive"
      }
  ```
  after
  ```
    "labels": [
      "DOUBLE SPEND"
    ]
  ```

  The deprecated behavior can be re-enabled by starting bitcoind with `-deprecatedrpc=labelspurpose`.

  For context, see:
  - https://github.com/bitcoin/bitcoin/pull/17283#issuecomment-554458001
  - http://www.erisian.com.au/bitcoin-core-dev/log-2019-12-13.html#l-425 (lines 425-427)
  - http://www.erisian.com.au/bitcoin-core-dev/log-2019-11-22.html#l-622

  Reviewers: This PR may be tested manually by building, then running bitcoind with and without the `-deprecatedrpc=labelspurpose` flag while verifying the rpc getaddressinfo help text and `labels` output.

  Next steps: deprecate the rpc getaddressinfo `label` field (EDIT: done in #17585) and add support for multiple labels per address. This PR will unblock those.

ACKs for top commit:
  jnewbery:
    reACK 8925df8
  promag:
    Code review ACK 8925df86c4.
  meshcollider:
    Code review ACK 8925df86c4

Tree-SHA512: c2b717209996da32b6484de7bb8800e7048410f9ce6afdb3e02a6866bd4a8f2c730f905fca27b10b877b91cf407f546e69e8c4feb9cd934325a6c71c166bd438
This commit is contained in:
Samuel Dobson
2020-01-08 11:23:58 +13:00
parent 45f151913e 8925df86c4
commit 7ea3b85ecf
10 changed files with 101 additions and 78 deletions
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8
doc/release-notes-17578.md Normal file
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Deprecated or removed RPCs
--------------------------
- The `getaddressinfo` RPC `labels` field now returns an array of label name
strings. Previously, it returned an array of JSON objects containing `name` and
`purpose` key/value pairs, which is now deprecated and will be removed in
0.21. To re-enable the previous behavior, launch bitcoind with
`-deprecatedrpc=labelspurpose`.