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doc: add another signing flow for multisig with descriptor wallets and PSBTs

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Michael Dietz
2021-05-26 10:38:12 -04:00
parent 17dd657300
commit e05cd0546a
2 changed files with 21 additions and 0 deletions
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doc/descriptors.md
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@@ -162,6 +162,11 @@ The basic steps are:
then the resulting transaction is broadcasted to the network
8. Checks that balances are correct after the transaction has been included in a block
You may prefer a daisy chained signing flow where each participant signs the PSBT one after another until
the PSBT has been signed `M` times and is "complete." For the most part, the steps above remain the same, except (6, 7)
change slightly from signing the original PSBT in parallel to signing it in series. `combinepsbt` is not necessary with
this signing flow and the last (`m`th) signer can just broadcast the PSBT after signing. Note that a parallel signing flow may be
preferable in cases where there are more signers. This signing flow is also included in the test / Python example.
[The test](/test/functional/wallet_multisig_descriptor_psbt.py) is meant to be documentation as much as it is a functional test, so
it is kept as simple and readable as possible.