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Signed-off-by: hanmz <hanmzarsenal@gmail.com>
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Rather than manually estimating an input's weight by adding up all the
involved components (fixed-size skeleton, compact-serialized lengths,
and the actual scriptSig / witness stack items) we can simply take use
of the serialization classes `CTxIn` / `CTxInWitness` instead, to
achieve the same with significantly less code.
The new helper is used in the functional tests rpc_psbt.py and
wallet_send.py, where the previous manual estimation code was
duplicated.
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Add Context Manager to manage wallet locking/unlocking with passphrase
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In functional tests it is a quite common scenario to generate fresh
elliptic curve keypairs, which is currently a bit cumbersome as it
involves multiple steps, e.g.:
privkey = ECKey()
privkey.generate()
privkey_wif = bytes_to_wif(privkey.get_bytes())
pubkey = privkey.get_pubkey().get_bytes()
Simplify this by providing a new `generate_keypair` helper function that
returns the private key either as `ECKey` object or as WIF-string
(depending on the boolean `wif` parameter) and the public key as
byte-string; these formats are what we mostly need (currently we don't
use `ECPubKey` objects from generated keypairs anywhere).
With this, most of the affected code blocks following the pattern above
can be replaced by one-liners, e.g.:
privkey, pubkey = generate_keypair(wif=True)
Note that after this commit, the only direct uses of `ECKey` remain in
situations where we want to set the private key explicitly, e.g. in
MiniWallet (test/functional/test_framework/wallet.py) or the test for
the signet miner script (test/functional/tool_signet_miner.py).
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The previous diff touched most files in ./test/, so bump the headers to
avoid having to touch them again for a bump later.
-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./test/
-END VERIFY SCRIPT-
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Use the built-in class method bytes.fromhex() instead,
which is available since Python 3.0.
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generate_wif_key is a wallet utility function. Move
it from the EC key module to the wallet util module.
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Co-authored-by: Andrew Chow <achow101-github@achow101.com>
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
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8925df86c4df16b1070343fef8e4d238f3cc3bd1 doc: update release notes (Jon Atack)
8bb405bbadf11391ccba7b334b4cfe66dc85b390 test: getaddressinfo labels purpose deprecation test (Jon Atack)
60aba1f2f11529add115d963d05599130288ae28 rpc: simplify getaddressinfo labels, deprecate previous behavior (Jon Atack)
7851f14ccf2bcd1e9b2ad48e5e08881be06d9d21 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 8925df86c4df16b1070343fef8e4d238f3cc3bd1.
meshcollider:
Code review ACK 8925df86c4df16b1070343fef8e4d238f3cc3bd1
Tree-SHA512: c2b717209996da32b6484de7bb8800e7048410f9ce6afdb3e02a6866bd4a8f2c730f905fca27b10b877b91cf407f546e69e8c4feb9cd934325a6c71c166bd438
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- change the value returned in the RPC getaddressinfo `labels` field to an array
of label name strings
- deprecate the previous behavior of returning a JSON hash structure containing
label `name` and address `purpose` key/value pairs
- update the relevant tests
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
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Adds a new wallet_util.py module and moves generic helper functions
there:
- get_key
- get_multisig
- test_address
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