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PSBT [BIP174] based signing interface #164

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thomaseizinger opened this issue Aug 11, 2020 · 1 comment

thomaseizinger commented Aug 11, 2020

Currently, signing a transaction involves a stateful protocol in which bits and pieces of the transactions need to be sent over.

Are there any plans of creating an interface that accepts a PSBT and does all the signing in one go?

As per the spec (https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki#Signer) no additional data sources should be required if the PSBT is constructed correctly.

thomaseizinger mentioned this issue

Failed to sign PSBT using ledger summa-tx/coins#64

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Contributor

btchip commented Aug 23, 2020

HWI (https://github.com/bitcoin-core/HWI) should be the reference to do that and compare against

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