Merge #636: doc: polish the guide on restoring a Liana wallet backup with Bitcoin Core
b5b96b95937ef914aed237b7829a71ff3672c3f4 README: mention the guide on recovering a backup on Core (Antoine Poinsot)
8c7c7a71353a6054f80eeb5ce4be0f946cec89a5 doc: polish the Bitcoin Core recovery document (Antoine Poinsot)
Pull request description:
ACKs for top commit:
darosior:
self-ACK b5b96b95937ef914aed237b7829a71ff3672c3f4 -- it's only doc
Tree-SHA512: b51b8e0f2eac896872ca2380cf0e3f8b4e6e518232e5cbc57dbeaaa517c56dfadfa6d6165a27704ecfda0ffe6bdf5a683e1cfd15b94dedcd8480c3c58865ed51
This commit is contained in:
Antoine Poinsot
commit
f8ca1dc212
@ -182,6 +182,14 @@ For the daemon, see the [`createrecovery`](doc/API.md#createrecovery) command. I
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sweep PSBT to the requested address with the specified feerate, filled with all available coins.
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sweep PSBT to the requested address with the specified feerate, filled with all available coins.
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#### Recovering a Liana wallet backup on another wallet
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You can always restore a Liana wallet backup using the Liana software. In the extremely unlikely
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scenario that you lose access to a Liana software (all copies of the binaries and source code are
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entirely wiped from the surface of the planet) or are otherwise unable to use it, we've got [a guide
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on how to recover a Liana wallet backup with Bitcoin Core 25.0 and above](doc/RECOVER.md).
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### Reproducible builds
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### Reproducible builds
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Releases of Liana are reproducibly built. Linux binaries are also bootstrappable. See
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Releases of Liana are reproducibly built. Linux binaries are also bootstrappable. See
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232
doc/RECOVER.md
232
doc/RECOVER.md
@ -1,47 +1,64 @@
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Here a step by step walkthrough to recover a Liana wallet only using bitcoin-core and HWI utility.
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# Recover your Liana wallet using Bitcoin Core
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Commands are given for signet, but you can run it in mainnet simply by not using the signet options.
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We assume you already have a bitcoind/bitcoin-cli running on your machine.
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This document walks you through the step of recovering a Liana wallet using `bitcoind` and
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`bitcoin-cli`. You will need a couple things in order to follow this guide:
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- Your Liana wallet descriptor.
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- The date at which you created the Liana wallet (approximately).
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- The necessary signing devices. In this example we'll use a Ledger Nano S and [HWI](https://github.com/bitcoin-core/HWI).
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- An address to sweep the funds to. Here we'll use `tb1qed7lyessqcecav5uxultf6zc8nefd9kalgaa7dwrglcc6ld5vd3qe20spe`.
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- An installed and synchronized `bitcoind`. If you don't have Bitcoin Core yet you can download it
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[here](https://bitcoincore.org/en/download/). The minimum supported version for this guide is
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25.0.
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### Create wallet in bitcoin core
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This document **is not** about the similarly named "timelocked recovery path" feature. You can spend
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your coins through (one of) the timelocked recovery path(s) using Bitcoin Core too, but this
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document is about the instructions for recovering your coins using the Bitcoin Core wallet in the
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improbable case you cannot access the Liana wallet for whatever reason.
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Here's a list of the steps we'll undertake:
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1. Create a dedicated watchonly wallet on Bitcoin Core, and import the Liana wallet descriptor there.
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2. Scan the blockchain for your coins since the birthdate of your wallet.
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3. Create a transaction that sweeps all your coins to the prepared address.
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4. Sign this transaction using the appropriate devices.
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5. Broadcast the transaction.
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NB: this guide was written with an example on Linux. It should be trivial to follow on any other
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operating system though, with only minor adaptations needed to the examples.
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## Create a Bitcoin Core wallet and import the Liana descriptor
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Your Liana wallet descriptor is probably of the form:
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```
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wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/<0;1>/\*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/<0;1>/\*),older(3))))#8ldsjayd
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```
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Note the curious `<0;1>` step in the xpubs' derivation path. It's called a
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[multipath](https://github.com/bitcoin/bips/blob/master/bip-0389.mediawiki), a way to compress two
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derivation steps in a single expression so you only have to backup a single descriptor instead of
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two (one for deriving receive addresses and the other for change addresses).
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Bitcoin Core 25.0 does not yet support multipath descriptors. So we'll have to split the descriptor
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in two: one for receive and one for change. To do so:
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- Make two copies of your descriptor, without the checksum (the part following the `#`).
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- For each of them walk through the xpubs.
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- Replace each multipath expression with the first index (here `0`) for the first copy and the
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second index for the second copy (here `1`).
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For our example descriptor above this gives us:
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```
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wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))
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```
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and
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```
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wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/1/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/1/*),older(3))))
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```
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We'll need a checksum for each in order to be able to import them on the Bitcoin Core wallet. For
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this use the `getdescriptorinfo` command, gather the `checksum` field and append it to the
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descriptor after a `#`. For instance with the first descriptor above:
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```shell
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```shell
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bitcoin-cli -signet createwallet 'liana' true
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bitcoin-cli getdescriptorinfo wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))
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```
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```
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Output:
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output:
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```
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{
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"name": "liana"
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}
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```
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### Process & import descriptor
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As PR[#22838](https://github.com/bitcoin/bitcoin/pull/22838) not (yet) merged in bitcoin core, we need to 'split'
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descriptor in 2:
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- 1 for receive addresses
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- 1 for changes addresses.
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#### Original descriptor:
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- wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/`<0;1>`/\*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/`<0;1>`/\*),older(3))))`#8ldsjayd`
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Here we need to process 2 descriptors from the original one, replacing `<0;1>` by `0` for the receive descriptor and `1` for change descriptor, checksum might to be updated for each ones.
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#### Processed descriptors:
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- wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/`0`/\*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/`0`/\*),older(3))))
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- wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/`1`/\*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/`1`/\*),older(3))))
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Now we got the descriptors without checksums, we can process it using bitcoin-cli getdescriptorinfo method:
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```shell
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bitcoin-cli -signet getdescriptorinfo "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))"
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```
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output:
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```
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```
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{
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{
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"descriptor": "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr",
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"descriptor": "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr",
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@ -51,34 +68,34 @@ output:
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"hasprivatekeys": false
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"hasprivatekeys": false
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}
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}
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```
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```
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So the resulting descriptor is
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```shell
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```
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bitcoin-cli -signet getdescriptorinfo "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/1/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/1/*),older(3))))"
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wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr
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```
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```
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output:
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Make sure to do this for both descriptors, and then create the dedicated watchonly wallet on Bitcoin Core:
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```shell
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bitcoin-cli -signet createwallet liana_recovery true
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```
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Output:
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```
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```
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{
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{
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"descriptor": "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/1/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/1/*),older(3))))#vpa5k5p6",
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"name": "liana_recovery"
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"checksum": "vpa5k5p6",
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"isrange": true,
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"issolvable": true,
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"hasprivatekeys": false
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}
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}
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```
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```
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The command to pass to bitcoin-cli to import descriptors should look like this:
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We are now going to import the receive and change descriptors to the wallet. This process will take
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care of rescanning the block chain for transactions involving these descriptors. Make sure you have
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bitcoin-cli -signet -rpcwallet=liana importdescriptors "[{\"desc\": \"`<descriptor_receive>`\", \"range\": [0,10000], \"timestamp\": `<wallet_birthdate>`}, {\"desc\": \"`<descriptor_change>`\", \"range\": [0,10000], \"timestamp\": `<wallet_birthdate>`}]"
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your wallet birthdate in a timestamp format (we'll use `1682920310`, May 1st 2023). In order to do
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this we are going to use the `importdescriptors` command and pass it our two descriptors (with the
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- `<wallet_birthdate>` should be replaced by unix timestamp of your wallet birthdate(if you don't know about the wallet birthdate you can use 1671577200 -Liana V0.1 birthdate-, note that using a lower timestamp than the wallet birthdate will increase the rescan duration)
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checksum appended) along with the wallet birthdate as a timestamp. Note this command may take a
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- `<descriptor_receive>` and `<descriptor_change>` sould be replaced by relevant descriptors (including new generated checksums):
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while as it's going to be rescanning the block chain. The farther in the past the birthdate, the
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longer it will take. If the command times out you will be able to inspect the progress using the
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`getwalletinfo` command.
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```shell
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```shell
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bitcoin-cli -signet -rpcwallet=liana importdescriptors "[{\"desc\": \"wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr\", \"range\": [0,10000], \"timestamp\": 1682920310, \"active\": true, \"internal\":false}, {\"desc\": \"wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/1/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/1/*),older(3))))#vpa5k5p6\", \"range\": [0,10000], \"timestamp\": 1682920310, \"active\": true, \"internal\":true}]"
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bitcoin-cli -signet -rpcwallet=liana importdescriptors "[{\"desc\": \"wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr\", \"range\": [0,10000], \"timestamp\": 1682920310, \"active\": true, \"internal\":false}, {\"desc\": \"wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/1/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/1/*),older(3))))#vpa5k5p6\", \"range\": [0,10000], \"timestamp\": 1682920310, \"active\": true, \"internal\":true}]"
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```
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```
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Output:
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output:
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```shell
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```shell
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[
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[
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{
|
{
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||||||
@ -90,14 +107,46 @@ output:
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|||||||
]
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]
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```
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```
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### Build the sweep transaction
|
Alright! You should now be able to see your coins on the wallet. You can check your balance with the
|
||||||
|
`getbalance` command or list all the unspent coins using `listunspent`. For instance in our case:
|
||||||
```shell
|
```shell
|
||||||
bitcoin-cli -signet -rpcwallet=liana sendall '["tb1qed7lyessqcecav5uxultf6zc8nefd9kalgaa7dwrglcc6ld5vd3qe20spe"]' null "unset" 20
|
$ bitcoin-cli -signet -rpcwallet=liana_recovery listunspent
|
||||||
|
[
|
||||||
|
{
|
||||||
|
"txid": "054166e08bd3e019031ec2e4f6a755913e924f218b6c0ab792c2fd4d911a1011",
|
||||||
|
"vout": 1,
|
||||||
|
"address": "tb1qhvrkp9qpzp2cmk7ct745zpkuw3ak45hwvczx5534x89ymg3ae0vsfwyd7j",
|
||||||
|
"label": "",
|
||||||
|
"witnessScript": "2103d040bf48b05dfa7234fe39240edc3d89cc909d65b4fd55338ffa162985d4c5c9ac736476a9142517bf2e04d18ae59db290617eb60183d4893f6188ad53b268",
|
||||||
|
"scriptPubKey": "0020bb0760940110558ddbd85fab4106dc747b6ad2ee66046a523531ca4da23dcbd9",
|
||||||
|
"amount": 0.00010000,
|
||||||
|
"confirmations": 152,
|
||||||
|
"spendable": true,
|
||||||
|
"solvable": true,
|
||||||
|
"desc": "wsh(or_d(pk([a5c6b76e/48'/1'/0'/2'/0/1]03d040bf48b05dfa7234fe39240edc3d89cc909d65b4fd55338ffa162985d4c5c9),and_v(v:pkh([c477fd13/48'/1'/0'/2'/0/1]02113af9bac303954c884a077e1840b98fe0b8713ccace07adcbacf322e8f72fbd),older(3))))#8vukwv7f",
|
||||||
|
"parent_descs": [
|
||||||
|
"wsh(or_d(pk([a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh/0/*),and_v(v:pkh([c477fd13/48'/1'/0'/2']tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH/0/*),older(3))))#nhtumqkr"
|
||||||
|
],
|
||||||
|
"safe": true
|
||||||
|
}
|
||||||
|
]
|
||||||
```
|
```
|
||||||
(here we define fee at `20 sats/VBytes`)
|
|
||||||
|
|
||||||
output:
|
## Sweep the coins out of the wallet
|
||||||
|
|
||||||
|
### Craft the sweep transaction
|
||||||
|
|
||||||
|
We are now going to create a PSBT that spends all the coins in the wallet to the pre-defined
|
||||||
|
address. Note merging all your coins into one is usually a bad practice for privacy purpose.
|
||||||
|
You can also spend them one by one or in other way if you wish. Here we are simply going to present
|
||||||
|
the simplest way of recovering from disaster.
|
||||||
|
|
||||||
|
We'll use the `sendall` command to sweep all the funds of the wallet to the pre-defined address
|
||||||
|
using a specific feerate. We'll use `20` sats/vbyte but use anything that fits.
|
||||||
|
```shell
|
||||||
|
bitcoin-cli -signet -rpcwallet=liana -named sendall recipients='["tb1qed7lyessqcecav5uxultf6zc8nefd9kalgaa7dwrglcc6ld5vd3qe20spe"]' 20
|
||||||
|
```
|
||||||
|
Output:
|
||||||
```
|
```
|
||||||
{
|
{
|
||||||
"psbt": "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",
|
"psbt": "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",
|
||||||
@ -105,10 +154,19 @@ output:
|
|||||||
}
|
}
|
||||||
```
|
```
|
||||||
|
|
||||||
### Install hwi
|
### Sign the sweep transaction
|
||||||
As [PR647(wallet policies)](https://github.com/bitcoin-core/HWI/pull/647) is not (yet) merged into HWI we need to install it from git:
|
|
||||||
|
|
||||||
#### Download the sources
|
This part may depend on the signing devices you used with Liana. In general there should be plenty
|
||||||
|
of documentation available for each signer about how, given a PSBT, to sign it and potentially pass
|
||||||
|
it on to the next signer. Here we'll detail the signing process with a Ledger Nano S(+).
|
||||||
|
|
||||||
|
#### Install HWI
|
||||||
|
|
||||||
|
You will need the [`HWI`](https://github.com/bitcoin-core/HWI) tool to interface with the Ledger.
|
||||||
|
However, Salvatore's wallet policies (required to sign for Miniscript descriptors) are at the time
|
||||||
|
of writing not yet merged so we'll have to use his branch.
|
||||||
|
|
||||||
|
Get the HWI-with-wallet-policy pull request code:
|
||||||
```shell
|
```shell
|
||||||
git clone https://github.com/bitcoin-core/HWI
|
git clone https://github.com/bitcoin-core/HWI
|
||||||
cd HWI
|
cd HWI
|
||||||
@ -116,7 +174,7 @@ git fetch origin pull/647/head
|
|||||||
git checkout FETCH_HEAD
|
git checkout FETCH_HEAD
|
||||||
```
|
```
|
||||||
|
|
||||||
#### Virtual environment & install
|
And install it in a virtual environment (you may have to install Python and `pip`):
|
||||||
```shell
|
```shell
|
||||||
python3 -m venv venv
|
python3 -m venv venv
|
||||||
. venv/bin/activate
|
. venv/bin/activate
|
||||||
@ -124,37 +182,54 @@ pip install poetry
|
|||||||
poetry install
|
poetry install
|
||||||
```
|
```
|
||||||
|
|
||||||
### Register policy on ledger nano:
|
#### Sign with the Ledger
|
||||||
|
|
||||||
Here we need to do (one more time) some processing on the descriptor format: the XPUBs might be extracted from descriptor and supplied as a list of keys (fingerprint + derivation path might be specified only for te key stored in the ledger nano)
|
Register the descriptor on the Ledger. It's using a specific syntax to register both descriptors at
|
||||||
|
once: the wallet policies. You'll once again have to process the descriptor:
|
||||||
|
1. Take the original descriptor (with the `<0;1>` multipaths derivation steps).
|
||||||
|
2. Replace all xpubs with an `@` followed by an index number (`@0` for the first, `@1` for the
|
||||||
|
second, etc..).
|
||||||
|
3. Compile a list of the xpubs **in the same order**.
|
||||||
|
4. Replace all `/<0;1>/*` derivation steps by `/**`. NOTE: **do not** replace those if the multipath
|
||||||
|
step is anything other than `/<0;1>/*`. For instance if it's `/<2;3>/*` **leave it intact**.
|
||||||
|
|
||||||
|
For instance in our case the result is this wallet policy:
|
||||||
|
```
|
||||||
|
wsh(or_d(pk(@0/**),and_v(v:pkh(@1/**),older(3))))
|
||||||
|
```
|
||||||
|
With the following list of xpubs:
|
||||||
|
```
|
||||||
|
["[a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh","tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH"]
|
||||||
|
```
|
||||||
|
|
||||||
|
We can finally register it on the Ledger:
|
||||||
```shell
|
```shell
|
||||||
python3 -m hwi --chain test --device-type ledger registerpolicy --policy "wsh(or_d(pk(@0/**),and_v(v:pkh(@1/**),older(3))))" --name "Liana" --keys "[\"[a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh\",\"tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH\"]"
|
python3 -m hwi --chain test --device-type ledger registerpolicy --policy "wsh(or_d(pk(@0/**),and_v(v:pkh(@1/**),older(3))))" --name "Liana" --keys "[\"[a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh\",\"tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH\"]"
|
||||||
```
|
```
|
||||||
|
Output
|
||||||
output
|
|
||||||
```
|
```
|
||||||
{"proof_of_registration": "34602db12b76200ea96386c4cd10b8b1d60b84e060d2d6120073c06367a9506d"}
|
{"proof_of_registration": "34602db12b76200ea96386c4cd10b8b1d60b84e060d2d6120073c06367a9506d"}
|
||||||
```
|
```
|
||||||
|
(The resulting proof of registration will be different in your case.)
|
||||||
|
|
||||||
### Sign PSBT with ledger nano:
|
Then go ahead and sign the PSBT we've previously crafted:
|
||||||
|
|
||||||
```shell
|
```shell
|
||||||
python3 -m hwi --chain test --device-type ledger signtx 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 --policy "wsh(or_d(pk(@0/**),and_v(v:pkh(@1/**),older(3))))" --name "Liana" --keys "[\"[a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh\",\"tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH\"]" --extra "{\"proof_of_registration\": \"34602db12b76200ea96386c4cd10b8b1d60b84e060d2d6120073c06367a9506d\"}"
|
python3 -m hwi --chain test --device-type ledger signtx 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 --policy "wsh(or_d(pk(@0/**),and_v(v:pkh(@1/**),older(3))))" --name "Liana" --keys "[\"[a5c6b76e/48'/1'/0'/2']tpubDF5861hj6vR3iJr3aPjGJz4rNbqDCRujQ21mczzKT5SiedaQqNVgHC8HT9ceyxvMFRoPMx4P6HAcL3NZrUPhRUbwCyj3TKSa64bAfnE3sLh\",\"tpubDFn7iPbFqGrTQ2aRACNsUK1MXQR4Z6dYfU2nD1WA9ifSaia642j3Wah4n5pBUEpERNWGJsyv3Dv5qwBabC9TLQrwSboKzukw9wmurGu7XVH\"]" --extra "{\"proof_of_registration\": \"34602db12b76200ea96386c4cd10b8b1d60b84e060d2d6120073c06367a9506d\"}"
|
||||||
```
|
```
|
||||||
|
Output:
|
||||||
output:
|
|
||||||
```
|
```
|
||||||
{"psbt": "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", "signed": true}
|
{"psbt": "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", "signed": true}
|
||||||
```
|
```
|
||||||
|
|
||||||
### Finalize PSBT:
|
### Broadcast the sweep transaction
|
||||||
|
|
||||||
|
Once you've gotten enough signatures for the PSBT, you are ready to broadcast the sweep transaction.
|
||||||
|
|
||||||
|
First, finalize the PSBT:
|
||||||
```shell
|
```shell
|
||||||
bitcoin-cli -signet finalizepsbt 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
|
bitcoin-cli -signet finalizepsbt 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
|
||||||
```
|
```
|
||||||
|
Output:
|
||||||
output:
|
|
||||||
```
|
```
|
||||||
{
|
{
|
||||||
"hex": "02000000000101312038558016444dd3db022b4575112f54c8c89441126b6f4006e23d72d2afbe0100000000fdffffff0118380f0000000000220020cb7df2661006338eb29c373eb4e8583cf29696ddfa3bdf35c347f18d7db4636202483045022100d61f7023a5c8fb7273eb57f7aeb47d2ffea0b876dc1bbfc39746b60a61215a520220573064aa8a59ef7a81490841cb659fa2bd47d5389c7c77a89c6b1d486692e7ff0141210314f77e95cc58314bdb856e754cde85cdce4b16d4154d86d9054c6e104a471e80ac736476a91457fd2e9679697b2753c9bcdfbbdc838d44a1c96188ad53b26800000000",
|
"hex": "02000000000101312038558016444dd3db022b4575112f54c8c89441126b6f4006e23d72d2afbe0100000000fdffffff0118380f0000000000220020cb7df2661006338eb29c373eb4e8583cf29696ddfa3bdf35c347f18d7db4636202483045022100d61f7023a5c8fb7273eb57f7aeb47d2ffea0b876dc1bbfc39746b60a61215a520220573064aa8a59ef7a81490841cb659fa2bd47d5389c7c77a89c6b1d486692e7ff0141210314f77e95cc58314bdb856e754cde85cdce4b16d4154d86d9054c6e104a471e80ac736476a91457fd2e9679697b2753c9bcdfbbdc838d44a1c96188ad53b26800000000",
|
||||||
@ -162,8 +237,7 @@ output:
|
|||||||
}
|
}
|
||||||
```
|
```
|
||||||
|
|
||||||
### Broadcast PSBT:
|
And broadcast the resulting transaction:
|
||||||
|
|
||||||
```shell
|
```shell
|
||||||
bitcoin-cli -signet sendrawtransaction 02000000000101312038558016444dd3db022b4575112f54c8c89441126b6f4006e23d72d2afbe0100000000fdffffff0118380f0000000000220020cb7df2661006338eb29c373eb4e8583cf29696ddfa3bdf35c347f18d7db4636202483045022100d61f7023a5c8fb7273eb57f7aeb47d2ffea0b876dc1bbfc39746b60a61215a520220573064aa8a59ef7a81490841cb659fa2bd47d5389c7c77a89c6b1d486692e7ff0141210314f77e95cc58314bdb856e754cde85cdce4b16d4154d86d9054c6e104a471e80ac736476a91457fd2e9679697b2753c9bcdfbbdc838d44a1c96188ad53b26800000000
|
bitcoin-cli -signet sendrawtransaction 02000000000101312038558016444dd3db022b4575112f54c8c89441126b6f4006e23d72d2afbe0100000000fdffffff0118380f0000000000220020cb7df2661006338eb29c373eb4e8583cf29696ddfa3bdf35c347f18d7db4636202483045022100d61f7023a5c8fb7273eb57f7aeb47d2ffea0b876dc1bbfc39746b60a61215a520220573064aa8a59ef7a81490841cb659fa2bd47d5389c7c77a89c6b1d486692e7ff0141210314f77e95cc58314bdb856e754cde85cdce4b16d4154d86d9054c6e104a471e80ac736476a91457fd2e9679697b2753c9bcdfbbdc838d44a1c96188ad53b26800000000
|
||||||
```
|
```
|
||||||
Loading…
x
Reference in New Issue
Block a user