def test_sign_schnorr(self):
pk = PrivateKey(randint(1, N))
msg = int_to_big_endian(randint(1, N), 32)
sig = pk.sign_schnorr(msg, aux=b"\x00" * 32)
self.assertTrue(pk.point.verify_schnorr(msg, sig))
# tweak
tweak = randint(1, N)
tweak_point = pk.tweaked(tweak).point
k = randint(1, N)
r = k * G
if r.parity:
k = N - k
r = k * G
message = r.bip340() + tweak_point.bip340() + msg
challenge = big_endian_to_int(hash_challenge(message)) % N
if pk.point.parity == tweak_point.parity:
secret = pk.secret
else:
secret = -pk.secret
s = (k + challenge * secret) % N
if tweak_point.parity:
s = (s - challenge * tweak) % N
else:
s = (s + challenge * tweak) % N
sig = SchnorrSignature.parse(r.bip340() + int_to_big_endian(s, 32))
self.assertTrue(tweak_point.verify_schnorr(msg, sig))
def test_signing(self):
tests = [
(
"0",
"0000000000000000000000000000000000000000000000000000000000000003",
"F9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9",
"0000000000000000000000000000000000000000000000000000000000000000",
"0000000000000000000000000000000000000000000000000000000000000000",
"E907831F80848D1069A5371B402410364BDF1C5F8307B0084C55F1CE2DCA821525F66A4A85EA8B71E482A74F382D2CE5EBEEE8FDB2172F477DF4900D310536C0",
"",
),
(
"1",
"B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF",
"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
"0000000000000000000000000000000000000000000000000000000000000001",
"243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89",
"6896BD60EEAE296DB48A229FF71DFE071BDE413E6D43F917DC8DCF8C78DE33418906D11AC976ABCCB20B091292BFF4EA897EFCB639EA871CFA95F6DE339E4B0A",
"",
),
(
"2",
"C90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B14E5C9",
"DD308AFEC5777E13121FA72B9CC1B7CC0139715309B086C960E18FD969774EB8",
"C87AA53824B4D7AE2EB035A2B5BBBCCC080E76CDC6D1692C4B0B62D798E6D906",
"7E2D58D8B3BCDF1ABADEC7829054F90DDA9805AAB56C77333024B9D0A508B75C",
"5831AAEED7B44BB74E5EAB94BA9D4294C49BCF2A60728D8B4C200F50DD313C1BAB745879A5AD954A72C45A91C3A51D3C7ADEA98D82F8481E0E1E03674A6F3FB7",
"",
),
(
"3",
"0B432B2677937381AEF05BB02A66ECD012773062CF3FA2549E44F58ED2401710",
"25D1DFF95105F5253C4022F628A996AD3A0D95FBF21D468A1B33F8C160D8F517",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"7EB0509757E246F19449885651611CB965ECC1A187DD51B64FDA1EDC9637D5EC97582B9CB13DB3933705B32BA982AF5AF25FD78881EBB32771FC5922EFC66EA3",
"test fails if msg is reduced modulo p or n",
),
]
for (
index,
secret,
bip340_pk,
aux_rand,
message,
signature,
comment,
) in tests:
private_key = PrivateKey(secret=int(secret, 16))
public_key = S256Point.parse(bytes.fromhex(bip340_pk))
aux = bytes.fromhex(aux_rand)
msg = bytes.fromhex(message)
want_sig = SchnorrSignature.parse(bytes.fromhex(signature))
self.assertTrue(public_key.verify_schnorr(msg, want_sig))
sig = private_key.sign_schnorr(msg, aux)
self.assertEqual(sig, want_sig)
def _get_wif():
prompt = blue_fg("Enter WIF (Wallet Import Format) to use for signing: ")
while True:
wif = getpass(prompt=prompt).strip()
try:
return PrivateKey.parse(wif)
except Exception as e:
print_red(f"Could not parse WIF: {e}")
def test_sign_p2sh_multisig(self):
private_key1 = PrivateKey(secret=8675309)
private_key2 = PrivateKey(secret=8675310)
redeem_script = RedeemScript.create_p2sh_multisig(
quorum_m=2,
pubkey_hexes=[
private_key1.point.sec().hex(),
private_key2.point.sec().hex(),
],
sort_keys=False,
)
prev_tx = bytes.fromhex(
"ded9b3c8b71032d42ea3b2fd5211d75b39a90637f967e637b64dfdb887dd11d7"
)
prev_index = 1
fee_sats = 500
tx_in = TxIn(prev_tx, prev_index)
tx_in_sats = 1000000
amount = tx_in_sats - fee_sats
tx_out = TxOut.to_address("mqYz6JpuKukHzPg94y4XNDdPCEJrNkLQcv", amount)
t = Tx(1, [tx_in], [tx_out], 0, network="testnet", segwit=True)
sig1 = t.get_sig_legacy(0, private_key1, redeem_script=redeem_script)
sig2 = t.get_sig_legacy(0, private_key2, redeem_script=redeem_script)
self.assertTrue(
t.check_sig_legacy(
0,
private_key1.point,
Signature.parse(sig1[:-1]),
redeem_script=redeem_script,
)
)
self.assertTrue(
t.check_sig_legacy(
0,
private_key2.point,
Signature.parse(sig2[:-1]),
redeem_script=redeem_script,
)
)
tx_in.finalize_p2sh_multisig([sig1, sig2], redeem_script)
want = "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"
self.assertEqual(t.serialize().hex(), want)
def test_sign_input(self):
private_key = PrivateKey(secret=8675309)
tx_ins = []
prev_tx = bytes.fromhex(
"0025bc3c0fa8b7eb55b9437fdbd016870d18e0df0ace7bc9864efc38414147c8"
)
tx_ins.append(TxIn(prev_tx, 0))
tx_outs = [
TxOut.to_address("mzx5YhAH9kNHtcN481u6WkjeHjYtVeKVh2", 99000000),
TxOut.to_address("mnrVtF8DWjMu839VW3rBfgYaAfKk8983Xf", 10000000),
]
tx = Tx(1, tx_ins, tx_outs, 0, network="testnet")
self.assertTrue(tx.sign_input(0, private_key))
def test_sign_p2wpkh(self):
private_key = PrivateKey(secret=8675309)
prev_tx = bytes.fromhex(
"6bfa079532dd9fad6cfbf218edc294fdfa7dd0cb3956375bc864577fb36fad97"
)
prev_index = 0
fee = 500
tx_in = TxIn(prev_tx, prev_index)
amount = tx_in.value(network="testnet") - fee
tx_out = TxOut.to_address("mqYz6JpuKukHzPg94y4XNDdPCEJrNkLQcv", amount)
t = Tx(1, [tx_in], [tx_out], 0, network="testnet", segwit=True)
self.assertTrue(t.sign_input(0, private_key))
want = "0100000000010197ad6fb37f5764c85b375639cbd07dfafd94c2ed18f2fb6cad9fdd329507fa6b0000000000ffffffff014c400f00000000001976a9146e13971913b9aa89659a9f53d327baa8826f2d7588ac02483045022100feab5b8feefd5e774bdfdc1dc23525b40f1ffaa25a376f8453158614f00fa6cb02204456493d0bc606ebeb3fa008e056bbc96a67cb0c11abcc871bfc2bec60206bf0012103935581e52c354cd2f484fe8ed83af7a3097005b2f9c60bff71d35bd795f54b6700000000"
self.assertEqual(t.serialize().hex(), want)
def test_sign_p2sh_p2wsh_multisig(self):
private_key1 = PrivateKey(secret=8675309)
private_key2 = PrivateKey(secret=8675310)
witness_script = WitnessScript(
[0x52, private_key1.point.sec(), private_key2.point.sec(), 0x52, 0xAE]
)
prev_tx = bytes.fromhex(
"f92c8c8e40296c6a94539b6d22d8994a56dd8ff2d6018d07a8371fef1f66efee"
)
prev_index = 0
fee = 500
tx_in = TxIn(prev_tx, prev_index)
amount = tx_in.value(network="testnet") - fee
tx_out = TxOut.to_address("mqYz6JpuKukHzPg94y4XNDdPCEJrNkLQcv", amount)
t = Tx(1, [tx_in], [tx_out], 0, network="testnet", segwit=True)
sig1 = t.get_sig_segwit(0, private_key1, witness_script=witness_script)
sig2 = t.get_sig_segwit(0, private_key2, witness_script=witness_script)
self.assertTrue(
t.check_sig_segwit(
0,
private_key1.point,
Signature.parse(sig1[:-1]),
witness_script=witness_script,
)
)
self.assertTrue(
t.check_sig_segwit(
0,
private_key2.point,
Signature.parse(sig2[:-1]),
witness_script=witness_script,
)
)
tx_in.finalize_p2sh_p2wsh_multisig([sig1, sig2], witness_script)
want = "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"
self.assertEqual(t.serialize().hex(), want)
def test_sign_p2wsh_multisig(self):
private_key1 = PrivateKey(secret=8675309)
private_key2 = PrivateKey(secret=8675310)
witness_script = WitnessScript(
[0x52, private_key1.point.sec(), private_key2.point.sec(), 0x52, 0xAE]
)
prev_tx = bytes.fromhex(
"61cd20e3ffdf9216cee9cd607e1a65d3096513c4df3a63d410c047379b54a94a"
)
prev_index = 1
fee = 500
tx_in = TxIn(prev_tx, prev_index)
amount = tx_in.value(network="testnet") - fee
tx_out = TxOut.to_address("mqYz6JpuKukHzPg94y4XNDdPCEJrNkLQcv", amount)
t = Tx(1, [tx_in], [tx_out], 0, network="testnet", segwit=True)
sig1 = t.get_sig_segwit(0, private_key1, witness_script=witness_script)
sig2 = t.get_sig_segwit(0, private_key2, witness_script=witness_script)
self.assertTrue(
t.check_sig_segwit(
0,
private_key1.point,
Signature.parse(sig1[:-1]),
witness_script=witness_script,
)
)
self.assertTrue(
t.check_sig_segwit(
0,
private_key2.point,
Signature.parse(sig2[:-1]),
witness_script=witness_script,
)
)
tx_in.finalize_p2wsh_multisig([sig1, sig2], witness_script)
want = "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"
self.assertEqual(t.serialize().hex(), want)
def test_sign_p2sh_p2wpkh(self):
private_key = PrivateKey(secret=8675309)
redeem_script = private_key.point.p2sh_p2wpkh_redeem_script()
prev_tx = bytes.fromhex(
"2e19b463bd5c8a3e0f10ae827f5a670f6794fca96394ecf8488321291d1c2ee9"
)
prev_index = 1
fee = 500
tx_in = TxIn(prev_tx, prev_index)
amount = tx_in.value(network="testnet") - fee
tx_out = TxOut.to_address("mqYz6JpuKukHzPg94y4XNDdPCEJrNkLQcv", amount)
t = Tx(1, [tx_in], [tx_out], 0, network="testnet", segwit=True)
self.assertTrue(t.sign_input(0, private_key, redeem_script=redeem_script))
want = "01000000000101e92e1c1d29218348f8ec9463a9fc94670f675a7f82ae100f3e8a5cbd63b4192e0100000017160014d52ad7ca9b3d096a38e752c2018e6fbc40cdf26fffffffff014c400f00000000001976a9146e13971913b9aa89659a9f53d327baa8826f2d7588ac0247304402205e3ae5ac9a0e0a16ae04b0678c5732973ce31051ba9f42193e69843e600d84f2022060a91cbd48899b1bf5d1ffb7532f69ab74bc1701a253a415196b38feb599163b012103935581e52c354cd2f484fe8ed83af7a3097005b2f9c60bff71d35bd795f54b6700000000"
self.assertEqual(t.serialize().hex(), want)
def test_sign_p2pkh(self):
private_key = PrivateKey(secret=8675309)
tx_ins = []
prev_tx = bytes.fromhex(
"448c1cf931cb8a35d648b75a63c7dbdc6d81a8b82be07c055d599a4ce810a20a"
)
tx_ins.append(TxIn(prev_tx, 0))
tx_outs = [
TxOut.to_address("mzx5YhAH9kNHtcN481u6WkjeHjYtVeKVh2", 5999000),
TxOut.to_address("tb1qjfavna0z7r484w674f723w7g4jpeaplttt464w", 1000000),
TxOut.to_address(
"tb1qdhd06yyf7pazh2vx3hm37c3gq8lpra2993hlr784z4e3xwpgksmsceq9wc",
1000000,
),
TxOut.to_address("2MyJsxLnxj7DsNch4xE7B3nMpB94kDPoE2s", 1000000),
TxOut.to_address(
"tb1p9gpzhc5fhlwlf49ze00fgjszxh5pl2p7az76758xwarweq08gcas8qa0r7",
1000000,
),
]
tx_obj = Tx(1, tx_ins, tx_outs, 0, network="signet")
self.assertTrue(tx_obj.sign_p2pkh(0, private_key))
def test_p2tr_spending(self):
test = {
"given": {
"rawUnsignedTx": "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",
"utxosSpent": [
{
"scriptPubKey": "512053a1f6e454df1aa2776a2814a721372d6258050de330b3c6d10ee8f4e0dda343",
"amountSats": 420000000,
},
{
"scriptPubKey": "5120147c9c57132f6e7ecddba9800bb0c4449251c92a1e60371ee77557b6620f3ea3",
"amountSats": 462000000,
},
{
"scriptPubKey": "76a914751e76e8199196d454941c45d1b3a323f1433bd688ac",
"amountSats": 294000000,
},
{
"scriptPubKey": "5120e4d810fd50586274face62b8a807eb9719cef49c04177cc6b76a9a4251d5450e",
"amountSats": 504000000,
},
{
"scriptPubKey": "512091b64d5324723a985170e4dc5a0f84c041804f2cd12660fa5dec09fc21783605",
"amountSats": 630000000,
},
{
"scriptPubKey": "00147dd65592d0ab2fe0d0257d571abf032cd9db93dc",
"amountSats": 378000000,
},
{
"scriptPubKey": "512075169f4001aa68f15bbed28b218df1d0a62cbbcf1188c6665110c293c907b831",
"amountSats": 672000000,
},
{
"scriptPubKey": "5120712447206d7a5238acc7ff53fbe94a3b64539ad291c7cdbc490b7577e4b17df5",
"amountSats": 546000000,
},
{
"scriptPubKey": "512077e30a5522dd9f894c3f8b8bd4c4b2cf82ca7da8a3ea6a239655c39c050ab220",
"amountSats": 588000000,
},
],
},
"intermediary": {
"hashAmounts": "58a6964a4f5f8f0b642ded0a8a553be7622a719da71d1f5befcefcdee8e0fde6",
"hashOutputs": "a2e6dab7c1f0dcd297c8d61647fd17d821541ea69c3cc37dcbad7f90d4eb4bc5",
"hashPrevouts": "e3b33bb4ef3a52ad1fffb555c0d82828eb22737036eaeb02a235d82b909c4c3f",
"hashScriptPubkeys": "23ad0f61ad2bca5ba6a7693f50fce988e17c3780bf2b1e720cfbb38fbdd52e21",
"hashSequences": "18959c7221ab5ce9e26c3cd67b22c24f8baa54bac281d8e6b05e400e6c3a957e",
},
"inputSpending": [
{
"given": {
"txinIndex": 0,
"internalPrivkey": "6b973d88838f27366ed61c9ad6367663045cb456e28335c109e30717ae0c6baa",
"merkleRoot": None,
"hashType": 3,
},
"intermediary": {
"internalPubkey": "d6889cb081036e0faefa3a35157ad71086b123b2b144b649798b494c300a961d",
"tweak": "b86e7be8f39bab32a6f2c0443abbc210f0edac0e2c53d501b36b64437d9c6c70",
"tweakedPrivkey": "2405b971772ad26915c8dcdf10f238753a9b837e5f8e6a86fd7c0cce5b7296d9",
"sigMsg": "0003020000000065cd1de3b33bb4ef3a52ad1fffb555c0d82828eb22737036eaeb02a235d82b909c4c3f58a6964a4f5f8f0b642ded0a8a553be7622a719da71d1f5befcefcdee8e0fde623ad0f61ad2bca5ba6a7693f50fce988e17c3780bf2b1e720cfbb38fbdd52e2118959c7221ab5ce9e26c3cd67b22c24f8baa54bac281d8e6b05e400e6c3a957e0000000000d0418f0e9a36245b9a50ec87f8bf5be5bcae434337b87139c3a5b1f56e33cba0",
"precomputedUsed": [
"hashAmounts",
"hashPrevouts",
"hashScriptPubkeys",
"hashSequences",
],
"sigHash": "2514a6272f85cfa0f45eb907fcb0d121b808ed37c6ea160a5a9046ed5526d555",
},
"expected": {
"witness": [
"ed7c1647cb97379e76892be0cacff57ec4a7102aa24296ca39af7541246d8ff14d38958d4cc1e2e478e4d4a764bbfd835b16d4e314b72937b29833060b87276c03"
]
},
},
{
"given": {
"txinIndex": 1,
"internalPrivkey": "1e4da49f6aaf4e5cd175fe08a32bb5cb4863d963921255f33d3bc31e1343907f",
"merkleRoot": "5b75adecf53548f3ec6ad7d78383bf84cc57b55a3127c72b9a2481752dd88b21",
"hashType": 131,
},
"intermediary": {
"internalPubkey": "187791b6f712a8ea41c8ecdd0ee77fab3e85263b37e1ec18a3651926b3a6cf27",
"tweak": "cbd8679ba636c1110ea247542cfbd964131a6be84f873f7f3b62a777528ed001",
"tweakedPrivkey": "ea260c3b10e60f6de018455cd0278f2f5b7e454be1999572789e6a9565d26080",
"sigMsg": "0083020000000065cd1d00d7b7cab57b1393ace2d064f4d4a2cb8af6def61273e127517d44759b6dafdd9900000000808f891b00000000225120147c9c57132f6e7ecddba9800bb0c4449251c92a1e60371ee77557b6620f3ea3ffffffffffcef8fb4ca7efc5433f591ecfc57391811ce1e186a3793024def5c884cba51d",
"precomputedUsed": [],
"sigHash": "325a644af47e8a5a2591cda0ab0723978537318f10e6a63d4eed783b96a71a4d",
},
"expected": {
"witness": [
"052aedffc554b41f52b521071793a6b88d6dbca9dba94cf34c83696de0c1ec35ca9c5ed4ab28059bd606a4f3a657eec0bb96661d42921b5f50a95ad33675b54f83"
]
},
},
{
"given": {
"txinIndex": 3,
"internalPrivkey": "d3c7af07da2d54f7a7735d3d0fc4f0a73164db638b2f2f7c43f711f6d4aa7e64",
"merkleRoot": "c525714a7f49c28aedbbba78c005931a81c234b2f6c99a73e4d06082adc8bf2b",
"hashType": 1,
},
"intermediary": {
"internalPubkey": "93478e9488f956df2396be2ce6c5cced75f900dfa18e7dabd2428aae78451820",
"tweak": "6af9e28dbf9d6aaf027696e2598a5b3d056f5fd2355a7fd5a37a0e5008132d30",
"tweakedPrivkey": "97323385e57015b75b0339a549c56a948eb961555973f0951f555ae6039ef00d",
"sigMsg": "0001020000000065cd1de3b33bb4ef3a52ad1fffb555c0d82828eb22737036eaeb02a235d82b909c4c3f58a6964a4f5f8f0b642ded0a8a553be7622a719da71d1f5befcefcdee8e0fde623ad0f61ad2bca5ba6a7693f50fce988e17c3780bf2b1e720cfbb38fbdd52e2118959c7221ab5ce9e26c3cd67b22c24f8baa54bac281d8e6b05e400e6c3a957ea2e6dab7c1f0dcd297c8d61647fd17d821541ea69c3cc37dcbad7f90d4eb4bc50003000000",
"precomputedUsed": [
"hashAmounts",
"hashOutputs",
"hashPrevouts",
"hashScriptPubkeys",
"hashSequences",
],
"sigHash": "bf013ea93474aa67815b1b6cc441d23b64fa310911d991e713cd34c7f5d46669",
},
"expected": {
"witness": [
"ff45f742a876139946a149ab4d9185574b98dc919d2eb6754f8abaa59d18b025637a3aa043b91817739554f4ed2026cf8022dbd83e351ce1fabc272841d2510a01"
]
},
},
{
"given": {
"txinIndex": 4,
"internalPrivkey": "f36bb07a11e469ce941d16b63b11b9b9120a84d9d87cff2c84a8d4affb438f4e",
"merkleRoot": "ccbd66c6f7e8fdab47b3a486f59d28262be857f30d4773f2d5ea47f7761ce0e2",
"hashType": 0,
},
"intermediary": {
"internalPubkey": "e0dfe2300b0dd746a3f8674dfd4525623639042569d829c7f0eed9602d263e6f",
"tweak": "b57bfa183d28eeb6ad688ddaabb265b4a41fbf68e5fed2c72c74de70d5a786f4",
"tweakedPrivkey": "a8e7aa924f0d58854185a490e6c41f6efb7b675c0f3331b7f14b549400b4d501",
"sigMsg": "0000020000000065cd1de3b33bb4ef3a52ad1fffb555c0d82828eb22737036eaeb02a235d82b909c4c3f58a6964a4f5f8f0b642ded0a8a553be7622a719da71d1f5befcefcdee8e0fde623ad0f61ad2bca5ba6a7693f50fce988e17c3780bf2b1e720cfbb38fbdd52e2118959c7221ab5ce9e26c3cd67b22c24f8baa54bac281d8e6b05e400e6c3a957ea2e6dab7c1f0dcd297c8d61647fd17d821541ea69c3cc37dcbad7f90d4eb4bc50004000000",
"precomputedUsed": [
"hashAmounts",
"hashOutputs",
"hashPrevouts",
"hashScriptPubkeys",
"hashSequences",
],
"sigHash": "4f900a0bae3f1446fd48490c2958b5a023228f01661cda3496a11da502a7f7ef",
},
"expected": {
"witness": [
"b4010dd48a617db09926f729e79c33ae0b4e94b79f04a1ae93ede6315eb3669de185a17d2b0ac9ee09fd4c64b678a0b61a0a86fa888a273c8511be83bfd6810f"
]
},
},
{
"given": {
"txinIndex": 6,
"internalPrivkey": "415cfe9c15d9cea27d8104d5517c06e9de48e2f986b695e4f5ffebf230e725d8",
"merkleRoot": "2f6b2c5397b6d68ca18e09a3f05161668ffe93a988582d55c6f07bd5b3329def",
"hashType": 2,
},
"intermediary": {
"internalPubkey": "55adf4e8967fbd2e29f20ac896e60c3b0f1d5b0efa9d34941b5958c7b0a0312d",
"tweak": "6579138e7976dc13b6a92f7bfd5a2fc7684f5ea42419d43368301470f3b74ed9",
"tweakedPrivkey": "241c14f2639d0d7139282aa6abde28dd8a067baa9d633e4e7230287ec2d02901",
"sigMsg": "0002020000000065cd1de3b33bb4ef3a52ad1fffb555c0d82828eb22737036eaeb02a235d82b909c4c3f58a6964a4f5f8f0b642ded0a8a553be7622a719da71d1f5befcefcdee8e0fde623ad0f61ad2bca5ba6a7693f50fce988e17c3780bf2b1e720cfbb38fbdd52e2118959c7221ab5ce9e26c3cd67b22c24f8baa54bac281d8e6b05e400e6c3a957e0006000000",
"precomputedUsed": [
"hashAmounts",
"hashPrevouts",
"hashScriptPubkeys",
"hashSequences",
],
"sigHash": "15f25c298eb5cdc7eb1d638dd2d45c97c4c59dcaec6679cfc16ad84f30876b85",
},
"expected": {
"witness": [
"a3785919a2ce3c4ce26f298c3d51619bc474ae24014bcdd31328cd8cfbab2eff3395fa0a16fe5f486d12f22a9cedded5ae74feb4bbe5351346508c5405bcfee002"
]
},
},
{
"given": {
"txinIndex": 7,
"internalPrivkey": "c7b0e81f0a9a0b0499e112279d718cca98e79a12e2f137c72ae5b213aad0d103",
"merkleRoot": "6c2dc106ab816b73f9d07e3cd1ef2c8c1256f519748e0813e4edd2405d277bef",
"hashType": 130,
},
"intermediary": {
"internalPubkey": "ee4fe085983462a184015d1f782d6a5f8b9c2b60130aff050ce221ecf3786592",
"tweak": "9e0517edc8259bb3359255400b23ca9507f2a91cd1e4250ba068b4eafceba4a9",
"tweakedPrivkey": "65b6000cd2bfa6b7cf736767a8955760e62b6649058cbc970b7c0871d786346b",
"sigMsg": "0082020000000065cd1d00e9aa6b8e6c9de67619e6a3924ae25696bb7b694bb677a632a74ef7eadfd4eabf00000000804c8b2000000000225120712447206d7a5238acc7ff53fbe94a3b64539ad291c7cdbc490b7577e4b17df5ffffffff",
"precomputedUsed": [],
"sigHash": "cd292de50313804dabe4685e83f923d2969577191a3e1d2882220dca88cbeb10",
},
"expected": {
"witness": [
"ea0c6ba90763c2d3a296ad82ba45881abb4f426b3f87af162dd24d5109edc1cdd11915095ba47c3a9963dc1e6c432939872bc49212fe34c632cd3ab9fed429c482"
]
},
},
{
"given": {
"txinIndex": 8,
"internalPrivkey": "77863416be0d0665e517e1c375fd6f75839544eca553675ef7fdf4949518ebaa",
"merkleRoot": "ab179431c28d3b68fb798957faf5497d69c883c6fb1e1cd9f81483d87bac90cc",
"hashType": 129,
},
"intermediary": {
"internalPubkey": "f9f400803e683727b14f463836e1e78e1c64417638aa066919291a225f0e8dd8",
"tweak": "639f0281b7ac49e742cd25b7f188657626da1ad169209078e2761cefd91fd65e",
"tweakedPrivkey": "ec18ce6af99f43815db543f47b8af5ff5df3b2cb7315c955aa4a86e8143d2bf5",
"sigMsg": "0081020000000065cd1da2e6dab7c1f0dcd297c8d61647fd17d821541ea69c3cc37dcbad7f90d4eb4bc500a778eb6a263dc090464cd125c466b5a99667720b1c110468831d058aa1b82af101000000002b0c230000000022512077e30a5522dd9f894c3f8b8bd4c4b2cf82ca7da8a3ea6a239655c39c050ab220ffffffff",
"precomputedUsed": ["hashOutputs"],
"sigHash": "cccb739eca6c13a8a89e6e5cd317ffe55669bbda23f2fd37b0f18755e008edd2",
},
"expected": {
"witness": [
"bbc9584a11074e83bc8c6759ec55401f0ae7b03ef290c3139814f545b58a9f8127258000874f44bc46db7646322107d4d86aec8e73b8719a61fff761d75b5dd981"
]
},
},
],
"auxiliary": {
"fullySignedTx": "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"
},
}
hex_tx = test["given"]["rawUnsignedTx"]
tx_obj = Tx.parse(BytesIO(bytes.fromhex(hex_tx)))
self.maxDiff = None
self.assertEqual(tx_obj.serialize().hex(), hex_tx)
tx_obj.segwit = True
for tx_in, utxo in zip(tx_obj.tx_ins, test["given"]["utxosSpent"]):
tx_in._value = utxo["amountSats"]
tx_in._script_pubkey = Script.parse(
BytesIO(encode_varstr(bytes.fromhex(utxo["scriptPubKey"])))
)
shas = test["intermediary"]
self.assertEqual(tx_obj.sha_amounts().hex(), shas["hashAmounts"])
self.assertEqual(tx_obj.sha_outputs().hex(), shas["hashOutputs"])
self.assertEqual(tx_obj.sha_prevouts().hex(), shas["hashPrevouts"])
self.assertEqual(tx_obj.sha_script_pubkeys().hex(), shas["hashScriptPubkeys"])
self.assertEqual(tx_obj.sha_sequences().hex(), shas["hashSequences"])
fully_signed = test["auxiliary"]["fullySignedTx"]
signed_tx = Tx.parse(BytesIO(bytes.fromhex(fully_signed)))
for input_data in test["inputSpending"]:
i = input_data["given"]["txinIndex"]
secret = big_endian_to_int(
bytes.fromhex(input_data["given"]["internalPrivkey"])
)
tx_in = tx_obj.tx_ins[i]
private_key = PrivateKey(secret)
pubkey = private_key.point
hash_type = input_data["given"]["hashType"]
self.assertEqual(
pubkey.bip340().hex(), input_data["intermediary"]["internalPubkey"]
)
mr_hex = input_data["given"]["merkleRoot"]
if mr_hex is None:
merkle_root = None
else:
merkle_root = bytes.fromhex(mr_hex)
tap_root = TapRoot(pubkey, merkle_root=merkle_root)
tweak_want = big_endian_to_int(
bytes.fromhex(input_data["intermediary"]["tweak"])
)
self.assertEqual(tap_root.tweak, tweak_want)
tweaked_private_key = private_key.tweaked(tap_root.tweak)
tweaked_want = big_endian_to_int(
bytes.fromhex(input_data["intermediary"]["tweakedPrivkey"])
)
self.assertEqual(tweaked_private_key.secret, tweaked_want)
sig_hash_want = input_data["intermediary"]["sigHash"]
self.assertEqual(
tx_obj.sig_hash_bip341(i, hash_type=hash_type).hex(), sig_hash_want
)
tx_obj.sign_input(i, tweaked_private_key, hash_type=hash_type)
for j, witness_want in enumerate(input_data["expected"]["witness"]):
self.assertEqual(tx_in.witness[j].hex(), witness_want)
# the two we can't sign
for i in (2, 5):
signed_tx.tx_ins[i].script_sig = Script()
signed_tx.tx_ins[i].witness = Witness()
self.assertEqual(tx_obj.serialize(), signed_tx.serialize())
def test_sign_message(self):
pk = PrivateKey(randint(0, N))
message = b"This is a test message"
sig = pk.sign_message(message)
self.assertTrue(pk.point.verify_message(message, sig))
def test_sign(self):
pk = PrivateKey(randint(0, N))
z = randint(0, 1 << 256)
sig = pk.sign(z)
self.assertTrue(pk.point.verify(z, sig))