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Add descriptor expansion cache

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This commit is contained in:
Pieter Wuille
2018-11-02 19:19:39 -07:00
parent 1eda33aabc
commit 82df4c64ff
3 changed files with 75 additions and 30 deletions
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15
src/test/descriptor_tests.cpp
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@@ -88,9 +88,18 @@ void Check(const std::string& prv, const std::string& pub, int flags, const std:
const auto& ref = scripts[(flags & RANGE) ? i : 0];
for (int t = 0; t < 2; ++t) {
const FlatSigningProvider& key_provider = (flags & HARDENED) ? keys_priv : keys_pub;
FlatSigningProvider script_provider;
std::vector<CScript> spks;
BOOST_CHECK((t ? parse_priv : parse_pub)->Expand(i, key_provider, spks, script_provider));
FlatSigningProvider script_provider, script_provider_cached;
std::vector<CScript> spks, spks_cached;
std::vector<unsigned char> cache;
BOOST_CHECK((t ? parse_priv : parse_pub)->Expand(i, key_provider, spks, script_provider, &cache));
// Try to expand again using cached data, and compare.
BOOST_CHECK(parse_pub->ExpandFromCache(i, cache, spks_cached, script_provider_cached));
BOOST_CHECK(spks == spks_cached);
BOOST_CHECK(script_provider.pubkeys == script_provider_cached.pubkeys);
BOOST_CHECK(script_provider.scripts == script_provider_cached.scripts);
BOOST_CHECK(script_provider.origins == script_provider_cached.origins);
BOOST_CHECK_EQUAL(spks.size(), ref.size());
for (size_t n = 0; n < spks.size(); ++n) {
BOOST_CHECK_EQUAL(ref[n], HexStr(spks[n].begin(), spks[n].end()));