tests: move /electrum/tests to /tests

2024-02-16 15:33:34 +01:00
parent e11d7b37f2
commit 73fee69f5c
103 changed files with 5 additions and 5 deletions
--- a/tests/test_verifier.py
+++ b/tests/test_verifier.py
@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+
+from electrum.bitcoin import hash_encode
+from electrum.transaction import Transaction
+from electrum.util import bfh
+from electrum.verifier import SPV, InnerNodeOfSpvProofIsValidTx
+
+from . import ElectrumTestCase
+
+
+MERKLE_BRANCH = [
+    'f2994fd4546086b21b4916b76cf901afb5c4db1c3ecbfc91d6f4cae1186dfe12',
+    '6b65935528311901c7acda7db817bd6e3ce2f05d1c62c385b7caadb65fac7520']
+
+MERKLE_ROOT = '11dbac015b6969ea75509dd1250f33c04ec4d562c2d895de139a65f62f808254'
+
+VALID_64_BYTE_TX = ('0200000001cb659c5528311901a7aada7db817bd6e3ce2f05d1c62c385b7caad'
+                    'b65fac75201234000000fabcdefa01abcd1234010000000405060708fabcdefa')
+assert len(VALID_64_BYTE_TX) == 128
+
+
+class VerifierTestCase(ElectrumTestCase):
+    # these tests are regarding the attack described in
+    # https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-June/016105.html
+    TESTNET = True
+
+    def test_verify_ok_t_tx(self):
+        """Actually mined 64 byte tx should not raise."""
+        t_tx = Transaction(VALID_64_BYTE_TX)
+        t_tx_hash = t_tx.txid()
+        self.assertEqual(MERKLE_ROOT, SPV.hash_merkle_root(MERKLE_BRANCH, t_tx_hash, 3))
+
+    def test_verify_fail_f_tx_odd(self):
+        """Raise if inner node of merkle branch is valid tx. ('odd' fake leaf position)"""
+        # first 32 bytes of T encoded as hash
+        fake_branch_node = hash_encode(bfh(VALID_64_BYTE_TX[:64]))
+        fake_mbranch = [fake_branch_node] + MERKLE_BRANCH
+        # last 32 bytes of T encoded as hash
+        f_tx_hash = hash_encode(bfh(VALID_64_BYTE_TX[64:]))
+        with self.assertRaises(InnerNodeOfSpvProofIsValidTx):
+            SPV.hash_merkle_root(fake_mbranch, f_tx_hash, 7)
+
+    def test_verify_fail_f_tx_even(self):
+        """Raise if inner node of merkle branch is valid tx. ('even' fake leaf position)"""
+        # last 32 bytes of T encoded as hash
+        fake_branch_node = hash_encode(bfh(VALID_64_BYTE_TX[64:]))
+        fake_mbranch = [fake_branch_node] + MERKLE_BRANCH
+        # first 32 bytes of T encoded as hash
+        f_tx_hash = hash_encode(bfh(VALID_64_BYTE_TX[:64]))
+        with self.assertRaises(InnerNodeOfSpvProofIsValidTx):
+            SPV.hash_merkle_root(fake_mbranch, f_tx_hash, 6)