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Implement fulu mev-boost change for blinded block submission (#15486)

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* Builder: handle fulu submit blind block return

* Builder: update post-Fulu client to handle 202 Accepted response

* Builder: consolidate HTTP request methods and improve status code validation
This commit is contained in:
terence
2025-08-11 17:49:52 -07:00
committed by GitHub
parent 009a1507a1
commit 9161b80a32
9 changed files with 424 additions and 32 deletions
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83
api/client/builder/client_test.go
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@@ -1555,6 +1555,89 @@ func testSignedBlindedBeaconBlockElectra(t *testing.T) *eth.SignedBlindedBeaconB
}
}
func TestSubmitBlindedBlockPostFulu(t *testing.T) {
ctx := t.Context()
t.Run("success", func(t *testing.T) {
hc := &http.Client{
Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
require.Equal(t, "bellatrix", r.Header.Get("Eth-Consensus-Version"))
require.Equal(t, api.JsonMediaType, r.Header.Get("Content-Type"))
require.Equal(t, api.JsonMediaType, r.Header.Get("Accept"))
// Post-Fulu: only return status code, no payload
return &http.Response{
StatusCode: http.StatusAccepted,
Body: io.NopCloser(bytes.NewBufferString("")),
Request: r.Clone(ctx),
}, nil
}),
}
c := &Client{
hc: hc,
baseURL: &url.URL{Host: "localhost:3500", Scheme: "http"},
}
sbbb, err := blocks.NewSignedBeaconBlock(testSignedBlindedBeaconBlockBellatrix(t))
require.NoError(t, err)
err = c.SubmitBlindedBlockPostFulu(ctx, sbbb)
require.NoError(t, err)
})
t.Run("success_ssz", func(t *testing.T) {
hc := &http.Client{
Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
require.Equal(t, "bellatrix", r.Header.Get(api.VersionHeader))
require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Content-Type"))
require.Equal(t, api.OctetStreamMediaType, r.Header.Get("Accept"))
// Post-Fulu: only return status code, no payload
return &http.Response{
StatusCode: http.StatusAccepted,
Body: io.NopCloser(bytes.NewBufferString("")),
Request: r.Clone(ctx),
}, nil
}),
}
c := &Client{
hc: hc,
baseURL: &url.URL{Host: "localhost:3500", Scheme: "http"},
sszEnabled: true,
}
sbbb, err := blocks.NewSignedBeaconBlock(testSignedBlindedBeaconBlockBellatrix(t))
require.NoError(t, err)
err = c.SubmitBlindedBlockPostFulu(ctx, sbbb)
require.NoError(t, err)
})
t.Run("error_response", func(t *testing.T) {
hc := &http.Client{
Transport: roundtrip(func(r *http.Request) (*http.Response, error) {
require.Equal(t, postBlindedBeaconBlockPath, r.URL.Path)
require.Equal(t, "bellatrix", r.Header.Get("Eth-Consensus-Version"))
message := ErrorMessage{
Code: 400,
Message: "Bad Request",
}
resp, err := json.Marshal(message)
require.NoError(t, err)
return &http.Response{
StatusCode: http.StatusBadRequest,
Body: io.NopCloser(bytes.NewBuffer(resp)),
Request: r.Clone(ctx),
}, nil
}),
}
c := &Client{
hc: hc,
baseURL: &url.URL{Host: "localhost:3500", Scheme: "http"},
}
sbbb, err := blocks.NewSignedBeaconBlock(testSignedBlindedBeaconBlockBellatrix(t))
require.NoError(t, err)
err = c.SubmitBlindedBlockPostFulu(ctx, sbbb)
require.ErrorIs(t, err, ErrNotOK)
})
}
func TestRequestLogger(t *testing.T) {
wo := WithObserver(&requestLogger{})
c, err := NewClient("localhost:3500", wo)