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Taproot descriptor inference

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This commit is contained in:
Pieter Wuille
2021-06-04 15:06:16 -07:00
parent c7388e5ada
commit d637a9b397
4 changed files with 237 additions and 9 deletions
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27
test/functional/wallet_taproot.py
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@@ -230,6 +230,12 @@ class WalletTaprootTest(BitcoinTestFramework):
if treefn is not None:
addr_r = self.make_addr(treefn, keys, i)
assert_equal(addr_g, addr_r)
desc_a = self.addr_gen.getaddressinfo(addr_g)['desc']
if desc.startswith("tr("):
assert desc_a.startswith("tr(")
rederive = self.nodes[1].deriveaddresses(desc_a)
assert_equal(len(rederive), 1)
assert_equal(rederive[0], addr_g)
# tr descriptors cannot be imported when Taproot is not active
result = self.privs_tr_enabled.importdescriptors([{"desc": desc, "timestamp": "now"}])
@@ -374,6 +380,20 @@ class WalletTaprootTest(BitcoinTestFramework):
None,
2
)
self.do_test(
"tr(XPRV,{XPUB,XPUB})",
"tr($1/*,{pk($2/*),pk($2/*)})",
[True, False],
lambda k1, k2: (key(k1), [pk(k2), pk(k2)]),
2
)
self.do_test(
"tr(XPRV,{{XPUB,H},{H,XPUB}})",
"tr($1/*,{{pk($2/*),pk($H)},{pk($H),pk($2/*)}})",
[True, False],
lambda k1, k2: (key(k1), [[pk(k2), pk(H_POINT)], [pk(H_POINT), pk(k2)]]),
2
)
self.do_test(
"tr(XPUB,{{H,{H,XPUB}},{H,{H,{H,XPRV}}}})",
"tr($1/*,{{pk($H),{pk($H),pk($2/*)}},{pk($H),{pk($H),{pk($H),pk($3/*)}}}})",
@@ -381,6 +401,13 @@ class WalletTaprootTest(BitcoinTestFramework):
lambda k1, k2, k3: (key(k1), [[pk(H_POINT), [pk(H_POINT), pk(k2)]], [pk(H_POINT), [pk(H_POINT), [pk(H_POINT), pk(k3)]]]]),
3
)
self.do_test(
"tr(XPRV,{XPUB,{{XPUB,{H,H}},{{H,H},XPUB}}})",
"tr($1/*,{pk($2/*),{{pk($2/*),{pk($H),pk($H)}},{{pk($H),pk($H)},pk($2/*)}}})",
[True, False],
lambda k1, k2: (key(k1), [pk(k2), [[pk(k2), [pk(H_POINT), pk(H_POINT)]], [[pk(H_POINT), pk(H_POINT)], pk(k2)]]]),
2
)
self.log.info("Sending everything back...")