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Add residential proxy data to Anonymizer#434

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horgh merged 2 commits into
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greg/stf-1005-add-residential-to-anonymizer
Jul 17, 2026
Merged

Add residential proxy data to Anonymizer#434
horgh merged 2 commits into
mainfrom
greg/stf-1005-add-residential-to-anonymizer

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Summary

Surfaces the new residential sub-object of the anonymizer object in the minFraud Insights and Factors ip_address response. The models reuse the GeoIP2 library's Anonymizer record, so this is a fixtures/tests/changelog change; the field flows through via the dependency.

Depends on maxmind/GeoIP2-dotnet#494. At release time the MaxMind.GeoIP2 PackageReference must be bumped to 6.1.0 once published.

Testing

With GeoIP2 packed from that PR (local NuGet source, not committed): dotnet build clean on all five target frameworks; 181/181 tests pass on net8.0/net9.0/net10.0.

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  • MaxMind.MinFraud.UnitTest/Response/InsightsTest.cs
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  • MaxMind.MinFraud.UnitTest/TestData/insights-response.json
  • MaxMind.MinFraud.UnitTest/WebServiceClientTest.cs
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  • releasenotes.md
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Code Review

This pull request introduces support for the new Residential proxy data property within the Anonymizer response, updating the corresponding unit tests, test data, and release notes. The reviewer feedback highlights a critical missing change: the .csproj file must be updated to reference MaxMind.GeoIP2 version 6.1.0 or greater to prevent compilation and CI failures. Additionally, the reviewer suggests improving the unit tests by explicitly asserting that the Residential property is not null before verifying its nested properties.

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Comment thread releasenotes.md Outdated
residential proxy data for the network: `Confidence`, `NetworkLastSeen`
(`DateOnly` on .NET 6.0+), and `ProviderName`. `Anonymizer.Residential` may be
populated even when none of the other `Anonymizer` properties are set. This
requires `MaxMind.GeoIP2` 6.1.0 or greater.

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medium

Please ensure that the MaxMind.GeoIP2 package reference is updated to 6.1.0 in the project's .csproj file(s) as part of this pull request. Currently, the .csproj changes are missing from this PR, which will cause compilation/CI failures since the Residential property is not available in older versions of the dependency.

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Claude, on behalf of Greg: The version bump is intentionally deferred: MaxMind.GeoIP2 6.1.0 is not yet published, so bumping now would break restore for everyone. The red CI here is expected until that release ships; the bump is called out in the release notes and tracked on the release ticket. The tests were verified against a locally packed 6.1.0 build of the GeoIP2 PR.

Comment on lines +98 to +102
Assert.Equal(82, anonymizer.Residential?.Confidence);
#if NET6_0_OR_GREATER
Assert.Equal("2026-05-11", anonymizer.Residential?.NetworkLastSeen?.ToString("yyyy-MM-dd"));
#endif
Assert.Equal("quickshift", anonymizer.Residential?.ProviderName);

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medium

It is safer and more idiomatic to explicitly assert that anonymizer.Residential is not null before asserting its properties. This avoids potential null reference issues and provides clearer test failure messages.

            Assert.NotNull(anonymizer.Residential);
            Assert.Equal(82, anonymizer.Residential.Confidence);
#if NET6_0_OR_GREATER
            Assert.Equal("2026-05-11", anonymizer.Residential.NetworkLastSeen?.ToString("yyyy-MM-dd"));
#endif
            Assert.Equal("quickshift", anonymizer.Residential.ProviderName);

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Claude, on behalf of Greg: Done in the current revision — since Anonymizer.Residential is non-nullable with an empty-object default in GeoIP2 6.1.0, the conditional access was replaced with direct property access (matching the GeoIP2-dotnet tests); an explicit Assert.NotNull would be redundant.

Comment on lines +142 to +146
Assert.Equal(82, anonymizer.Residential?.Confidence);
#if NET6_0_OR_GREATER
Assert.Equal("2026-05-11", anonymizer.Residential?.NetworkLastSeen?.ToString("yyyy-MM-dd"));
#endif
Assert.Equal("quickshift", anonymizer.Residential?.ProviderName);

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medium

It is safer and more idiomatic to explicitly assert that anonymizer.Residential is not null before asserting its properties. This avoids potential null reference issues and provides clearer test failure messages.

            Assert.NotNull(anonymizer.Residential);
            Assert.Equal(82, anonymizer.Residential.Confidence);
#if NET6_0_OR_GREATER
            Assert.Equal("2026-05-11", anonymizer.Residential.NetworkLastSeen?.ToString("yyyy-MM-dd"));
#endif
            Assert.Equal("quickshift", anonymizer.Residential.ProviderName);

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Claude, on behalf of Greg: Done in the current revision — since Anonymizer.Residential is non-nullable with an empty-object default in GeoIP2 6.1.0, the conditional access was replaced with direct property access (matching the GeoIP2-dotnet tests); an explicit Assert.NotNull would be redundant.

Comment on lines +61 to +65
Assert.Equal(82, response.IPAddress.Anonymizer.Residential?.Confidence);
#if NET6_0_OR_GREATER
Assert.Equal(new DateOnly(2026, 5, 11), response.IPAddress.Anonymizer.Residential?.NetworkLastSeen);
#endif
Assert.Equal("quickshift", response.IPAddress.Anonymizer.Residential?.ProviderName);

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medium

It is safer and more idiomatic to explicitly assert that response.IPAddress.Anonymizer.Residential is not null before asserting its properties. This avoids potential null reference issues and provides clearer test failure messages.

            Assert.NotNull(response.IPAddress.Anonymizer.Residential);
            Assert.Equal(82, response.IPAddress.Anonymizer.Residential.Confidence);
#if NET6_0_OR_GREATER
            Assert.Equal(new DateOnly(2026, 5, 11), response.IPAddress.Anonymizer.Residential.NetworkLastSeen);
#endif
            Assert.Equal("quickshift", response.IPAddress.Anonymizer.Residential.ProviderName);

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Claude, on behalf of Greg: Done in the current revision — since Anonymizer.Residential is non-nullable with an empty-object default in GeoIP2 6.1.0, the conditional access was replaced with direct property access (matching the GeoIP2-dotnet tests); an explicit Assert.NotNull would be redundant.

@oschwald
oschwald force-pushed the greg/stf-1005-add-residential-to-anonymizer branch 3 times, most recently from 8a8c10e to 331450d Compare July 17, 2026 01:44
oschwald and others added 2 commits July 17, 2026 02:01
Surface the new Residential sub-object on the anonymizer object in the
Insights and Factors response models. This is inherited directly from
MaxMind.GeoIP2.Model.Anonymizer via MaxMind.MinFraud.Response.IPAddress,
which extends MaxMind.GeoIP2.Responses.InsightsResponse, so no new model
code is needed here.

Test data and tests are updated to cover the new residential field,
including the case where the anonymizer object contains only the
residential sub-object.

The Residential property relies on MaxMind.GeoIP2.Model.AnonymizerFeed,
which is only available starting in MaxMind.GeoIP2 6.1.0, so the minimum
dependency version in MaxMind.MinFraud.csproj is bumped to 6.1.0.

STF-997

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Run `mise up` to refresh pinned tool versions (dotnet, precious,
hugo, lychee, node, prettier).

lychee 0.24 replaced the boolean `include_fragments` config key with
a string enum (`none`/`anchor-only`/`text-only`/`full`); migrate
lychee.toml to `full` to check both anchor fragments (`#section`) and
the newly added text fragments (`#:~:text=example`).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@oschwald
oschwald force-pushed the greg/stf-1005-add-residential-to-anonymizer branch from 331450d to c74aa0d Compare July 17, 2026 02:02
@horgh
horgh merged commit 2eebc14 into main Jul 17, 2026
19 checks passed
@horgh
horgh deleted the greg/stf-1005-add-residential-to-anonymizer branch July 17, 2026 22:20
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