refactor: test: use _ variable for unused loop counters

substitutes "for x in range(N):" by "for _ in range(N):"
indicates to the reader that a block is just repeated N times, and
that the loop counter is not used in the body
This commit is contained in:
Sebastian Falbesoner
2020-08-03 01:10:56 +02:00
parent 82127d27c9
commit dac7a111bd
35 changed files with 83 additions and 83 deletions

View File

@@ -942,7 +942,7 @@ class SegWitTest(BitcoinTestFramework):
parent_tx = CTransaction()
parent_tx.vin.append(CTxIn(prevout, b""))
child_value = int(value / NUM_OUTPUTS)
for i in range(NUM_OUTPUTS):
for _ in range(NUM_OUTPUTS):
parent_tx.vout.append(CTxOut(child_value, script_pubkey))
parent_tx.vout[0].nValue -= 50000
assert parent_tx.vout[0].nValue > 0
@@ -952,7 +952,7 @@ class SegWitTest(BitcoinTestFramework):
for i in range(NUM_OUTPUTS):
child_tx.vin.append(CTxIn(COutPoint(parent_tx.sha256, i), b""))
child_tx.vout = [CTxOut(value - 100000, CScript([OP_TRUE]))]
for i in range(NUM_OUTPUTS):
for _ in range(NUM_OUTPUTS):
child_tx.wit.vtxinwit.append(CTxInWitness())
child_tx.wit.vtxinwit[-1].scriptWitness.stack = [b'a' * 195] * (2 * NUM_DROPS) + [witness_program]
child_tx.rehash()
@@ -1199,7 +1199,7 @@ class SegWitTest(BitcoinTestFramework):
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b""))
value = self.utxo[0].nValue
for i in range(10):
for _ in range(10):
tx.vout.append(CTxOut(int(value / 10), script_pubkey))
tx.vout[0].nValue -= 1000
assert tx.vout[0].nValue >= 0
@@ -1372,7 +1372,7 @@ class SegWitTest(BitcoinTestFramework):
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b""))
split_value = (self.utxo[0].nValue - 4000) // NUM_SEGWIT_VERSIONS
for i in range(NUM_SEGWIT_VERSIONS):
for _ in range(NUM_SEGWIT_VERSIONS):
tx.vout.append(CTxOut(split_value, CScript([OP_TRUE])))
tx.rehash()
block = self.build_next_block()
@@ -1646,7 +1646,7 @@ class SegWitTest(BitcoinTestFramework):
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(prev_utxo.sha256, prev_utxo.n), b""))
split_value = prev_utxo.nValue // NUM_SIGHASH_TESTS
for i in range(NUM_SIGHASH_TESTS):
for _ in range(NUM_SIGHASH_TESTS):
tx.vout.append(CTxOut(split_value, script_pubkey))
tx.wit.vtxinwit.append(CTxInWitness())
sign_p2pk_witness_input(witness_program, tx, 0, SIGHASH_ALL, prev_utxo.nValue, key)
@@ -1676,7 +1676,7 @@ class SegWitTest(BitcoinTestFramework):
tx.wit.vtxinwit.append(CTxInWitness())
total_value += temp_utxos[i].nValue
split_value = total_value // num_outputs
for i in range(num_outputs):
for _ in range(num_outputs):
tx.vout.append(CTxOut(split_value, script_pubkey))
for i in range(num_inputs):
# Now try to sign each input, using a random hashtype.
@@ -1974,7 +1974,7 @@ class SegWitTest(BitcoinTestFramework):
split_value = self.utxo[0].nValue // outputs
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b""))
for i in range(outputs):
for _ in range(outputs):
tx.vout.append(CTxOut(split_value, script_pubkey))
tx.vout[-2].scriptPubKey = script_pubkey_toomany
tx.vout[-1].scriptPubKey = script_pubkey_justright
@@ -2060,7 +2060,7 @@ class SegWitTest(BitcoinTestFramework):
if (len(tx.wit.vtxinwit) != len(tx.vin)):
# vtxinwit must have the same length as vin
tx.wit.vtxinwit = tx.wit.vtxinwit[:len(tx.vin)]
for i in range(len(tx.wit.vtxinwit), len(tx.vin)):
for _ in range(len(tx.wit.vtxinwit), len(tx.vin)):
tx.wit.vtxinwit.append(CTxInWitness())
r += tx.wit.serialize()
r += struct.pack("<I", tx.nLockTime)