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5dc341dfe6
This makes it more generalistic than just having the miniscripts since we are going to have Taproot descriptors with (multiple) miniscripts in them too.
325 lines
14 KiB
Python
Executable File
325 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2022 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test Miniscript descriptors integration in the wallet."""
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from test_framework.descriptors import descsum_create
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from test_framework.psbt import PSBT, PSBT_IN_SHA256
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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TPRVS = [
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"tprv8ZgxMBicQKsPerQj6m35no46amfKQdjY7AhLnmatHYXs8S4MTgeZYkWAn4edSGwwL3vkSiiGqSZQrmy5D3P5gBoqgvYP2fCUpBwbKTMTAkL",
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"tprv8ZgxMBicQKsPd3cbrKjE5GKKJLDEidhtzSSmPVtSPyoHQGL2LZw49yt9foZsN9BeiC5VqRaESUSDV2PS9w7zAVBSK6EQH3CZW9sMKxSKDwD",
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"tprv8iF7W37EHnVEtDr9EFeyFjQJFL6SfGby2AnZ2vQARxTQHQXy9tdzZvBBVp8a19e5vXhskczLkJ1AZjqgScqWL4FpmXVp8LLjiorcrFK63Sr",
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]
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TPUBS = [
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"tpubD6NzVbkrYhZ4YPAbyf6urxqqnmJF79PzQtyERAmvkSVS9fweCTjxjDh22Z5St9fGb1a5DUCv8G27nYupKP1Ctr1pkamJossoetzws1moNRn",
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"tpubD6NzVbkrYhZ4YMQC15JS7QcrsAyfGrGiykweqMmPxTkEVScu7vCZLNpPXW1XphHwzsgmqdHWDQAfucbM72EEB1ZEyfgZxYvkZjYVXx1xS9p",
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"tpubD6NzVbkrYhZ4YU9vM1s53UhD75UyJatx8EMzMZ3VUjR2FciNfLLkAw6a4pWACChzobTseNqdWk4G7ZdBqRDLtLSACKykTScmqibb1ZrCvJu",
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"tpubD6NzVbkrYhZ4XRMcMFMMFvzVt6jaDAtjZhD7JLwdPdMm9xa76DnxYYP7w9TZGJDVFkek3ArwVsuacheqqPog8TH5iBCX1wuig8PLXim4n9a",
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"tpubD6NzVbkrYhZ4WsqRzDmkL82SWcu42JzUvKWzrJHQ8EC2vEHRHkXj1De93sD3biLrKd8XGnamXURGjMbYavbszVDXpjXV2cGUERucLJkE6cy",
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"tpubDEFLeBkKTm8aiYkySz8hXAXPVnPSfxMi7Fxhg9sejUrkwJuRWvPdLEiXjTDbhGbjLKCZUDUUibLxTnK5UP1q7qYrSnPqnNe7M8mvAW1STcc",
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]
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PUBKEYS = [
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"02aebf2d10b040eb936a6f02f44ee82f8b34f5c1ccb20ff3949c2b28206b7c1068",
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"030f64b922aee2fd597f104bc6cb3b670f1ca2c6c49b1071a1a6c010575d94fe5a",
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"02abe475b199ec3d62fa576faee16a334fdb86ffb26dce75becebaaedf328ac3fe",
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"0314f3dc33595b0d016bb522f6fe3a67680723d842c1b9b8ae6b59fdd8ab5cccb4",
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"025eba3305bd3c829e4e1551aac7358e4178832c739e4fc4729effe428de0398ab",
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"029ffbe722b147f3035c87cb1c60b9a5947dd49c774cc31e94773478711a929ac0",
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"0211c7b2e18b6fd330f322de087da62da92ae2ae3d0b7cec7e616479cce175f183",
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]
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P2WSH_MINISCRIPTS = [
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# One of two keys
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f"or_b(pk({TPUBS[0]}/*),s:pk({TPUBS[1]}/*))",
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# A script similar (same spending policy) to BOLT3's offered HTLC (with anchor outputs)
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f"or_d(pk({TPUBS[0]}/*),and_v(and_v(v:pk({TPUBS[1]}/*),or_c(pk({TPUBS[2]}/*),v:hash160(7f999c905d5e35cefd0a37673f746eb13fba3640))),older(1)))",
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# A Revault Unvault policy with the older() replaced by an after()
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f"andor(multi(2,{TPUBS[0]}/*,{TPUBS[1]}/*),and_v(v:multi(4,{PUBKEYS[0]},{PUBKEYS[1]},{PUBKEYS[2]},{PUBKEYS[3]}),after(424242)),thresh(4,pkh({TPUBS[2]}/*),a:pkh({TPUBS[3]}/*),a:pkh({TPUBS[4]}/*),a:pkh({TPUBS[5]}/*)))",
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# Liquid-like federated pegin with emergency recovery keys
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f"or_i(and_b(pk({PUBKEYS[0]}),a:and_b(pk({PUBKEYS[1]}),a:and_b(pk({PUBKEYS[2]}),a:and_b(pk({PUBKEYS[3]}),s:pk({PUBKEYS[4]}))))),and_v(v:thresh(2,pkh({TPUBS[0]}/*),a:pkh({PUBKEYS[5]}),a:pkh({PUBKEYS[6]})),older(4209713)))",
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]
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DESCS = [
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*[f"wsh({ms})" for ms in P2WSH_MINISCRIPTS],
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# A Taproot with one of the above scripts as the single script path.
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f"tr(4d54bb9928a0683b7e383de72943b214b0716f58aa54c7ba6bcea2328bc9c768,{P2WSH_MINISCRIPTS[0]})",
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# A Taproot with two script paths among the above scripts.
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f"tr(4d54bb9928a0683b7e383de72943b214b0716f58aa54c7ba6bcea2328bc9c768,{{{P2WSH_MINISCRIPTS[0]},{P2WSH_MINISCRIPTS[1]}}})",
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# A Taproot with three script paths among the above scripts.
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f"tr(4d54bb9928a0683b7e383de72943b214b0716f58aa54c7ba6bcea2328bc9c768,{{{{{P2WSH_MINISCRIPTS[0]},{P2WSH_MINISCRIPTS[1]}}},{P2WSH_MINISCRIPTS[2].replace('multi', 'multi_a')}}})",
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# A Taproot with all above scripts in its tree.
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f"tr(4d54bb9928a0683b7e383de72943b214b0716f58aa54c7ba6bcea2328bc9c768,{{{{{P2WSH_MINISCRIPTS[0]},{P2WSH_MINISCRIPTS[1]}}},{{{P2WSH_MINISCRIPTS[2].replace('multi', 'multi_a')},{P2WSH_MINISCRIPTS[3]}}}}})",
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]
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DESCS_PRIV = [
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# One of two keys, of which one private key is known
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{
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"desc": f"wsh(or_i(pk({TPRVS[0]}/*),pk({TPUBS[0]}/*)))",
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"sequence": None,
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"locktime": None,
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"sigs_count": 1,
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"stack_size": 3,
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},
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# A more complex policy, that can't be satisfied through the first branch (need for a preimage)
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{
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"desc": f"wsh(andor(ndv:older(2),and_v(v:pk({TPRVS[0]}),sha256(2a8ce30189b2ec3200b47aeb4feaac8fcad7c0ba170389729f4898b0b7933bcb)),and_v(v:pkh({TPRVS[1]}),pk({TPRVS[2]}/*))))",
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"sequence": 2,
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"locktime": None,
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"sigs_count": 3,
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"stack_size": 5,
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},
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# The same policy but we provide the preimage. This path will be chosen as it's a smaller witness.
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{
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"desc": f"wsh(andor(ndv:older(2),and_v(v:pk({TPRVS[0]}),sha256(61e33e9dbfefc45f6a194187684d278f789fd4d5e207a357e79971b6519a8b12)),and_v(v:pkh({TPRVS[1]}),pk({TPRVS[2]}/*))))",
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"sequence": 2,
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"locktime": None,
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"sigs_count": 3,
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"stack_size": 4,
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"sha256_preimages": {
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"61e33e9dbfefc45f6a194187684d278f789fd4d5e207a357e79971b6519a8b12": "e8774f330f5f330c23e8bbefc5595cb87009ddb7ac3b8deaaa8e9e41702d919c"
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},
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},
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# Signature with a relative timelock
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{
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"desc": f"wsh(and_v(v:older(2),pk({TPRVS[0]}/*)))",
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"sequence": 2,
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"locktime": None,
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"sigs_count": 1,
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"stack_size": 2,
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},
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# Signature with an absolute timelock
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{
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"desc": f"wsh(and_v(v:after(20),pk({TPRVS[0]}/*)))",
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"sequence": None,
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"locktime": 20,
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"sigs_count": 1,
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"stack_size": 2,
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},
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# Signature with both
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{
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"desc": f"wsh(and_v(v:older(4),and_v(v:after(30),pk({TPRVS[0]}/*))))",
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"sequence": 4,
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"locktime": 30,
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"sigs_count": 1,
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"stack_size": 2,
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},
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# We have one key on each branch; Core signs both (can't finalize)
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{
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"desc": f"wsh(c:andor(pk({TPRVS[0]}/*),pk_k({TPUBS[0]}),and_v(v:pk({TPRVS[1]}),pk_k({TPUBS[1]}))))",
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"sequence": None,
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"locktime": None,
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"sigs_count": 2,
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"stack_size": None,
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},
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# We have all the keys, wallet selects the timeout path to sign since it's smaller and sequence is set
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{
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"desc": f"wsh(andor(pk({TPRVS[0]}/*),pk({TPRVS[2]}),and_v(v:pk({TPRVS[1]}),older(10))))",
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"sequence": 10,
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"locktime": None,
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"sigs_count": 3,
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"stack_size": 3,
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},
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# We have all the keys, wallet selects the primary path to sign unconditionally since nsequence wasn't set to be valid for timeout path
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{
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"desc": f"wsh(andor(pk({TPRVS[0]}/*),pk({TPRVS[2]}),and_v(v:pkh({TPRVS[1]}),older(10))))",
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"sequence": None,
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"locktime": None,
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"sigs_count": 3,
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"stack_size": 3,
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},
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# Finalizes to the smallest valid witness, regardless of sequence
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{
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"desc": f"wsh(or_d(pk({TPRVS[0]}/*),and_v(v:pk({TPRVS[1]}),and_v(v:pk({TPRVS[2]}),older(10)))))",
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"sequence": 12,
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"locktime": None,
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"sigs_count": 3,
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"stack_size": 2,
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},
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# Liquid-like federated pegin with emergency recovery privkeys
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{
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"desc": f"wsh(or_i(and_b(pk({TPUBS[0]}/*),a:and_b(pk({TPUBS[1]}),a:and_b(pk({TPUBS[2]}),a:and_b(pk({TPUBS[3]}),s:pk({PUBKEYS[0]}))))),and_v(v:thresh(2,pkh({TPRVS[0]}),a:pkh({TPRVS[1]}),a:pkh({TPUBS[4]})),older(42))))",
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"sequence": 42,
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"locktime": None,
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"sigs_count": 2,
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"stack_size": 8,
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},
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]
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class WalletMiniscriptTest(BitcoinTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser, legacy=False)
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def set_test_params(self):
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self.num_nodes = 1
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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self.skip_if_no_sqlite()
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def watchonly_test(self, desc):
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self.log.info(f"Importing descriptor '{desc}'")
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desc = descsum_create(f"{desc}")
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assert self.ms_wo_wallet.importdescriptors(
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[
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{
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"desc": desc,
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"active": True,
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"range": 2,
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"next_index": 0,
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"timestamp": "now",
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}
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]
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)[0]["success"]
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self.log.info("Testing we derive new addresses for it")
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addr_type = "bech32m" if desc.startswith("tr(") else "bech32"
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assert_equal(
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self.ms_wo_wallet.getnewaddress(address_type=addr_type),
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self.funder.deriveaddresses(desc, 0)[0],
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)
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assert_equal(
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self.ms_wo_wallet.getnewaddress(address_type=addr_type),
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self.funder.deriveaddresses(desc, 1)[1],
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)
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self.log.info("Testing we detect funds sent to one of them")
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addr = self.ms_wo_wallet.getnewaddress()
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txid = self.funder.sendtoaddress(addr, 0.01)
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self.wait_until(
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lambda: len(self.ms_wo_wallet.listunspent(minconf=0, addresses=[addr])) == 1
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)
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utxo = self.ms_wo_wallet.listunspent(minconf=0, addresses=[addr])[0]
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assert utxo["txid"] == txid and utxo["solvable"]
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def signing_test(
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self, desc, sequence, locktime, sigs_count, stack_size, sha256_preimages
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):
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self.log.info(f"Importing private Miniscript descriptor '{desc}'")
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desc = descsum_create(desc)
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res = self.ms_sig_wallet.importdescriptors(
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[
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{
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"desc": desc,
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"active": True,
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"range": 0,
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"next_index": 0,
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"timestamp": "now",
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}
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]
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)
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assert res[0]["success"], res
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self.log.info("Generating an address for it and testing it detects funds")
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addr = self.ms_sig_wallet.getnewaddress()
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txid = self.funder.sendtoaddress(addr, 0.01)
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self.wait_until(lambda: txid in self.funder.getrawmempool())
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self.funder.generatetoaddress(1, self.funder.getnewaddress())
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utxo = self.ms_sig_wallet.listunspent(addresses=[addr])[0]
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assert txid == utxo["txid"] and utxo["solvable"]
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self.log.info("Creating a transaction spending these funds")
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dest_addr = self.funder.getnewaddress()
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seq = sequence if sequence is not None else 0xFFFFFFFF - 2
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lt = locktime if locktime is not None else 0
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psbt = self.ms_sig_wallet.createpsbt(
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[
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{
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"txid": txid,
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"vout": utxo["vout"],
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"sequence": seq,
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}
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],
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[{dest_addr: 0.009}],
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lt,
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)
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self.log.info("Signing it and checking the satisfaction.")
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if sha256_preimages is not None:
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psbt = PSBT.from_base64(psbt)
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for (h, preimage) in sha256_preimages.items():
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k = PSBT_IN_SHA256.to_bytes(1, "big") + bytes.fromhex(h)
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psbt.i[0].map[k] = bytes.fromhex(preimage)
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psbt = psbt.to_base64()
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res = self.ms_sig_wallet.walletprocesspsbt(psbt=psbt, finalize=False)
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psbtin = self.nodes[0].rpc.decodepsbt(res["psbt"])["inputs"][0]
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assert len(psbtin["partial_signatures"]) == sigs_count
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res = self.ms_sig_wallet.finalizepsbt(res["psbt"])
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assert res["complete"] == (stack_size is not None)
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if stack_size is not None:
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txin = self.nodes[0].rpc.decoderawtransaction(res["hex"])["vin"][0]
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assert len(txin["txinwitness"]) == stack_size, txin["txinwitness"]
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self.log.info("Broadcasting the transaction.")
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# If necessary, satisfy a relative timelock
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if sequence is not None:
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self.funder.generatetoaddress(sequence, self.funder.getnewaddress())
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# If necessary, satisfy an absolute timelock
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height = self.funder.getblockcount()
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if locktime is not None and height < locktime:
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self.funder.generatetoaddress(
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locktime - height, self.funder.getnewaddress()
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)
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self.ms_sig_wallet.sendrawtransaction(res["hex"])
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def run_test(self):
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self.log.info("Making a descriptor wallet")
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self.funder = self.nodes[0].get_wallet_rpc(self.default_wallet_name)
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self.nodes[0].createwallet(
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wallet_name="ms_wo", descriptors=True, disable_private_keys=True
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)
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self.ms_wo_wallet = self.nodes[0].get_wallet_rpc("ms_wo")
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self.nodes[0].createwallet(wallet_name="ms_sig", descriptors=True)
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self.ms_sig_wallet = self.nodes[0].get_wallet_rpc("ms_sig")
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# Sanity check we wouldn't let an insane Miniscript descriptor in
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res = self.ms_wo_wallet.importdescriptors(
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[
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{
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"desc": descsum_create(
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"wsh(and_b(ripemd160(1fd9b55a054a2b3f658d97e6b84cf3ee00be429a),a:1))"
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),
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"active": False,
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"timestamp": "now",
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}
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]
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)[0]
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assert not res["success"]
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assert "is not sane: witnesses without signature exist" in res["error"]["message"]
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# Sanity check we wouldn't let an unspendable Miniscript descriptor in
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res = self.ms_wo_wallet.importdescriptors(
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[
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{
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"desc": descsum_create("wsh(0)"),
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"active": False,
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"timestamp": "now",
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}
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]
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)[0]
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assert not res["success"] and "is not satisfiable" in res["error"]["message"]
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# Test we can track any type of Miniscript
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for desc in DESCS:
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self.watchonly_test(desc)
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# Test we can sign for any Miniscript.
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for desc in DESCS_PRIV:
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self.signing_test(
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desc["desc"],
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desc["sequence"],
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desc["locktime"],
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desc["sigs_count"],
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desc["stack_size"],
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desc.get("sha256_preimages"),
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)
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if __name__ == "__main__":
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WalletMiniscriptTest().main()
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