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refactor: Replace std::optional<bilingual_str> with util::Result

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This commit is contained in:
Ryan Ofsky
2022-09-01 15:35:23 -04:00
parent 5f49cb1bc8
commit 8aa8f73adc
15 changed files with 66 additions and 65 deletions
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14
src/addrdb.cpp
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@@ -183,10 +183,10 @@ void ReadFromStream(AddrMan& addr, CDataStream& ssPeers)
DeserializeDB(ssPeers, addr, false);
}
std::optional<bilingual_str> LoadAddrman(const NetGroupManager& netgroupman, const ArgsManager& args, std::unique_ptr<AddrMan>& addrman)
util::Result<std::unique_ptr<AddrMan>> LoadAddrman(const NetGroupManager& netgroupman, const ArgsManager& args)
{
auto check_addrman = std::clamp<int32_t>(args.GetIntArg("-checkaddrman", DEFAULT_ADDRMAN_CONSISTENCY_CHECKS), 0, 1000000);
addrman = std::make_unique<AddrMan>(netgroupman, /*deterministic=*/false, /*consistency_check_ratio=*/check_addrman);
auto addrman{std::make_unique<AddrMan>(netgroupman, /*deterministic=*/false, /*consistency_check_ratio=*/check_addrman)};
const auto start{SteadyClock::now()};
const auto path_addr{args.GetDataDirNet() / "peers.dat"};
@@ -200,19 +200,17 @@ std::optional<bilingual_str> LoadAddrman(const NetGroupManager& netgroupman, con
DumpPeerAddresses(args, *addrman);
} catch (const InvalidAddrManVersionError&) {
if (!RenameOver(path_addr, (fs::path)path_addr + ".bak")) {
addrman = nullptr;
return strprintf(_("Failed to rename invalid peers.dat file. Please move or delete it and try again."));
return util::Error{strprintf(_("Failed to rename invalid peers.dat file. Please move or delete it and try again."))};
}
// Addrman can be in an inconsistent state after failure, reset it
addrman = std::make_unique<AddrMan>(netgroupman, /*deterministic=*/false, /*consistency_check_ratio=*/check_addrman);
LogPrintf("Creating new peers.dat because the file version was not compatible (%s). Original backed up to peers.dat.bak\n", fs::quoted(fs::PathToString(path_addr)));
DumpPeerAddresses(args, *addrman);
} catch (const std::exception& e) {
addrman = nullptr;
return strprintf(_("Invalid or corrupt peers.dat (%s). If you believe this is a bug, please report it to %s. As a workaround, you can move the file (%s) out of the way (rename, move, or delete) to have a new one created on the next start."),
e.what(), PACKAGE_BUGREPORT, fs::quoted(fs::PathToString(path_addr)));
return util::Error{strprintf(_("Invalid or corrupt peers.dat (%s). If you believe this is a bug, please report it to %s. As a workaround, you can move the file (%s) out of the way (rename, move, or delete) to have a new one created on the next start."),
e.what(), PACKAGE_BUGREPORT, fs::quoted(fs::PathToString(path_addr)))};
}
return std::nullopt;
return std::move(addrman); // std::move should be unneccessary but is temporarily needed to work around clang bug (https://github.com/bitcoin/bitcoin/pull/25977#issuecomment-1561270092)
}
void DumpAnchors(const fs::path& anchors_db_path, const std::vector<CAddress>& anchors)