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Disallow uncompressed pubkeys in bitcoin-tx [multisig] output adds

This commit is contained in:
Matt Corallo 2017-09-20 20:19:14 -04:00
parent 98212745c8
commit 28d4542a0a
4 changed files with 53 additions and 0 deletions
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1
Makefile.am
View File

@ -249,6 +249,7 @@ EXTRA_DIST += \
test/util/data/txcreatemultisig3.json \
test/util/data/txcreatemultisig4.hex \
test/util/data/txcreatemultisig4.json \
test/util/data/txcreatemultisig5.json \
test/util/data/txcreateoutpubkey1.hex \
test/util/data/txcreateoutpubkey1.json \
test/util/data/txcreateoutpubkey2.hex \

8
src/bitcoin-tx.cpp
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@ -310,6 +310,9 @@ static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& str
}
if (bSegWit) {
if (!pubkey.IsCompressed()) {
throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
}
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
@ -375,6 +378,11 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s
CScript scriptPubKey = GetScriptForMultisig(required, pubkeys);
if (bSegWit) {
for (CPubKey& pubkey : pubkeys) {
if (!pubkey.IsCompressed()) {
throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
}
}
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}

18
test/util/data/bitcoin-util-test.json
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@ -261,6 +261,13 @@
"output_cmp": "txcreateoutpubkey3.json",
"description": "Creates a new transaction with a single pay-to-pub-key output, wrapped in P2SH (output as json)"
},
{ "exec": "./bitcoin-tx",
"args":
["-json", "-create", "outpubkey=0:047d1368ba7ae01c94bc32293efd70bd7e3be7aa7912d07d0b1c659c1008d179b8642f5fb90f47580feb29f045e216ff5a4716d3a0fed36da414d332046303c44a:WS", "nversion=1"],
"return_code": 1,
"error_txt": "error: Uncompressed pubkeys are not useable for SegWit outputs",
"description": "Creates a new transaction with a single pay-to-pub-key output, wrapped in P2SH (output as json)"
},
{ "exec": "./bitcoin-tx",
"args":
["-create",
@ -388,5 +395,16 @@
"args": ["-json", "-create", "outmultisig=1:2:3:02a5613bd857b7048924264d1e70e08fb2a7e6527d32b7ab1bb993ac59964ff397:021ac43c7ff740014c3b33737ede99c967e4764553d1b2b83db77c83b8715fa72d:02df2089105c77f266fa11a9d33f05c735234075f2e8780824c6b709415f9fb485:WS", "nversion=1"],
"output_cmp": "txcreatemultisig4.json",
"description": "Creates a new transaction with a single 2-of-3 multisig in a P2WSH output, wrapped in P2SH (output in json)"
},
{ "exec": "./bitcoin-tx",
"args": ["-json", "-create", "outmultisig=1:2:3:02a5613bd857b7048924264d1e70e08fb2a7e6527d32b7ab1bb993ac59964ff397:021ac43c7ff740014c3b33737ede99c967e4764553d1b2b83db77c83b8715fa72d:047d1368ba7ae01c94bc32293efd70bd7e3be7aa7912d07d0b1c659c1008d179b8642f5fb90f47580feb29f045e216ff5a4716d3a0fed36da414d332046303c44a:S"],
"output_cmp": "txcreatemultisig5.json",
"description": "Uncompressed pubkeys should work just fine for non-witness outputs"
},
{ "exec": "./bitcoin-tx",
"args": ["-json", "-create", "outmultisig=1:2:3:02a5613bd857b7048924264d1e70e08fb2a7e6527d32b7ab1bb993ac59964ff397:021ac43c7ff740014c3b33737ede99c967e4764553d1b2b83db77c83b8715fa72d:047d1368ba7ae01c94bc32293efd70bd7e3be7aa7912d07d0b1c659c1008d179b8642f5fb90f47580feb29f045e216ff5a4716d3a0fed36da414d332046303c44a:WS"],
"return_code": 1,
"error_txt": "error: Uncompressed pubkeys are not useable for SegWit outputs",
"description": "Ensure adding witness outputs with uncompressed pubkeys fails"
}
]

26
test/util/data/txcreatemultisig5.json Normal file
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@ -0,0 +1,26 @@
{
"txid": "813cf75e1f08debd242ef7c8192b7d478fb651355209369499a0de779ba7eb2f",
"hash": "813cf75e1f08debd242ef7c8192b7d478fb651355209369499a0de779ba7eb2f",
"version": 2,
"size": 42,
"vsize": 42,
"locktime": 0,
"vin": [
],
"vout": [
{
"value": 1.00000000,
"n": 0,
"scriptPubKey": {
"asm": "OP_HASH160 a4051c02398868af83f28f083208fae99a769263 OP_EQUAL",
"hex": "a914a4051c02398868af83f28f083208fae99a76926387",
"reqSigs": 1,
"type": "scripthash",
"addresses": [
"3GeGs1eHUxPz5YyuFe9WPpXid2UsUb5Jos"
]
}
}
],
"hex": "02000000000100e1f5050000000017a914a4051c02398868af83f28f083208fae99a7692638700000000"
}