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test: refactor: Accept any RandomNumberGenerator in RandMoney

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Accepting any Rng in RandMoney makes tests more flexible to use a
different Rng. Also, passing in the Rng clarifies the call sites, so
that they all use g_rand_ctx explicitly and consistently.
This commit is contained in:
MarcoFalke 2024-08-02 12:30:13 +02:00
parent 68f77dd21e
commit fa54cab473
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4 changed files with 7 additions and 6 deletions
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2
src/test/coins_tests.cpp
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@ -182,7 +182,7 @@ void SimulationTest(CCoinsView* base, bool fake_best_block)
if (InsecureRandRange(5) == 0 || coin.IsSpent()) {
Coin newcoin;
newcoin.out.nValue = InsecureRandMoneyAmount();
newcoin.out.nValue = RandMoney(m_rng);
newcoin.nHeight = 1;
// Infrequently test adding unspendable coins.

2
src/test/sighash_tests.cpp
View file

@ -110,7 +110,7 @@ void RandomTransaction(CMutableTransaction& tx, bool fSingle)
for (int out = 0; out < outs; out++) {
tx.vout.emplace_back();
CTxOut &txout = tx.vout.back();
txout.nValue = InsecureRandMoneyAmount();
txout.nValue = RandMoney(m_rng);
RandomScript(txout.scriptPubKey);
}
}

2
src/test/util/coins.cpp
View file

@ -18,7 +18,7 @@ COutPoint AddTestCoin(FastRandomContext& rng, CCoinsViewCache& coins_view)
Coin new_coin;
COutPoint outpoint{Txid::FromUint256(rng.rand256()), /*nIn=*/0};
new_coin.nHeight = 1;
new_coin.out.nValue = InsecureRandMoneyAmount();
new_coin.out.nValue = RandMoney(rng);
new_coin.out.scriptPubKey.assign(uint32_t{56}, 1);
coins_view.AddCoin(outpoint, std::move(new_coin), /*possible_overwrite=*/false);

7
src/test/util/random.h
View file

@ -1,4 +1,4 @@
// Copyright (c) 2023 The Bitcoin Core developers
// Copyright (c) 2023-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -52,9 +52,10 @@ static inline bool InsecureRandBool()
return g_insecure_rand_ctx.randbool();
}
static inline CAmount InsecureRandMoneyAmount()
template <RandomNumberGenerator Rng>
inline CAmount RandMoney(Rng&& rng)
{
return static_cast<CAmount>(InsecureRandRange(MAX_MONEY + 1));
return CAmount{rng.randrange(MAX_MONEY + 1)};
}
#endif // BITCOIN_TEST_UTIL_RANDOM_H