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fix(api): return block root in getBlockHeader response #3134

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391dd2a
fix(api): return block root in getBlockHeader response
NikhilSharmaWe Jun 24, 2026
9cab31b
Merge branch 'main' into fix/get-block-header-root
NikhilSharmaWe Jul 30, 2026
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2 changes: 1 addition & 1 deletion node-api/handlers/beacon/header.go
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,7 @@ func (h *Handler) makeBlockHeaderResponse(height int64, resultsInList bool) (any
// access finalized blocks in this APIs. Still we may return a list of responses
// to be compliant with API specs https://ethereum.github.io/beacon-APIs/?urls.primaryName=v3.1.0#/Beacon/getBlockHeader
headerResp := beacontypes.BlockHeaderResponse{
Root: header.GetBodyRoot(),
Root: header.HashTreeRoot(),
Canonical: true,
Header: &beacontypes.SignedBeaconBlockHeader{
Message: beacontypes.BeaconBlockHeaderFromConsensus(header),
Expand Down
43 changes: 27 additions & 16 deletions node-api/handlers/beacon/header_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -62,10 +62,11 @@ func TestGetBlockHeaders(t *testing.T) {
StateRoot: common.Root{'p', 'a', 'r', 'e', 'n', 't', 's', 't', 'a', 't', 'e', 'r', 'o', 'o', 't'},
BodyRoot: common.Root{'p', 'a', 'r', 'e', 'n', 't', 'r', 'o', 'o', 't'},
}
parentBlockRoot := testParentHeader.HashTreeRoot()
testHeader := &ctypes.BeaconBlockHeader{
Slot: testParentHeader.Slot + 1,
ProposerIndex: math.ValidatorIndex(5678),
ParentBlockRoot: testParentHeader.BodyRoot,
ParentBlockRoot: parentBlockRoot,
StateRoot: common.Root{}, // set in test cases
BodyRoot: common.Root{'d', 'u', 'm', 'm', 'y', 'r', 'o', 'o', 't'},
}
Expand Down Expand Up @@ -105,7 +106,7 @@ func TestGetBlockHeaders(t *testing.T) {
data, _ := gr.Data.([]beacontypes.BlockHeaderResponse)
require.Len(t, data, 1)

require.Equal(t, testHeader.BodyRoot, data[0].Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data[0].Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand Down Expand Up @@ -145,7 +146,7 @@ func TestGetBlockHeaders(t *testing.T) {
data, _ := gr.Data.([]beacontypes.BlockHeaderResponse)
require.Len(t, data, 1)

require.Equal(t, testHeader.BodyRoot, data[0].Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data[0].Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand Down Expand Up @@ -211,7 +212,7 @@ func TestGetBlockHeaders(t *testing.T) {
st := makeTestState(t, cs)
stateRoot := testDummyState(t, cs, st, testHeader)
b.EXPECT().StateAndSlotFromHeight(mock.Anything).Return(st, math.Slot(0), nil)
b.EXPECT().GetSlotByBlockRoot(testParentHeader.BodyRoot).Return(testParentHeader.Slot, nil)
b.EXPECT().GetSlotByBlockRoot(parentBlockRoot).Return(testParentHeader.Slot, nil)
return stateRoot
},
check: func(t *testing.T, expectedStateRoot common.Root, res any, err error) {
Expand All @@ -225,7 +226,7 @@ func TestGetBlockHeaders(t *testing.T) {
data, _ := gr.Data.([]beacontypes.BlockHeaderResponse)
require.Len(t, data, 1)

require.Equal(t, testHeader.BodyRoot, data[0].Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data[0].Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand Down Expand Up @@ -263,7 +264,7 @@ func TestGetBlockHeaders(t *testing.T) {
},
setMockExpectations: func(_ *testing.T, b *mocks.Backend) common.Root {
// Assume parent header is not known
b.EXPECT().GetSlotByBlockRoot(testParentHeader.BodyRoot).Return(0, errTestHeaderNotFound)
b.EXPECT().GetSlotByBlockRoot(parentBlockRoot).Return(0, errTestHeaderNotFound)
return common.Root{}
},
check: func(t *testing.T, _ common.Root, _ any, err error) {
Expand All @@ -289,7 +290,7 @@ func TestGetBlockHeaders(t *testing.T) {
st := makeTestState(t, cs)
stateRoot := testDummyState(t, cs, st, testHeader)
b.EXPECT().StateAndSlotFromHeight(mock.Anything).Return(st, math.Slot(0), nil)
b.EXPECT().GetSlotByBlockRoot(testParentHeader.BodyRoot).Return(testParentHeader.Slot, nil)
b.EXPECT().GetSlotByBlockRoot(parentBlockRoot).Return(testParentHeader.Slot, nil)
return stateRoot
},
check: func(t *testing.T, expectedStateRoot common.Root, res any, err error) {
Expand All @@ -303,7 +304,7 @@ func TestGetBlockHeaders(t *testing.T) {
data, _ := gr.Data.([]beacontypes.BlockHeaderResponse)
require.Len(t, data, 1)

require.Equal(t, testHeader.BodyRoot, data[0].Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data[0].Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand All @@ -325,7 +326,7 @@ func TestGetBlockHeaders(t *testing.T) {
}
},
setMockExpectations: func(_ *testing.T, b *mocks.Backend) common.Root {
b.EXPECT().GetSlotByBlockRoot(testParentHeader.BodyRoot).Return(testParentHeader.Slot, nil)
b.EXPECT().GetSlotByBlockRoot(parentBlockRoot).Return(testParentHeader.Slot, nil)
return common.Root{}
},
check: func(t *testing.T, _ common.Root, _ any, err error) {
Expand Down Expand Up @@ -382,6 +383,11 @@ func TestGetBlockHeaderByID(t *testing.T) {
StateRoot: common.Root{}, // set in test cases
BodyRoot: common.Root{'d', 'u', 'm', 'm', 'y', 'r', 'o', 'o', 't'},
}
stForBlockRoot := makeTestState(t, cs)
testBlockRoot := expectedHeaderBlockRoot(
testHeader,
testDummyState(t, cs, stForBlockRoot, testHeader),
)
errTestHeaderNotFound := errors.New("test header not found error")

testCases := []struct {
Expand Down Expand Up @@ -417,7 +423,7 @@ func TestGetBlockHeaderByID(t *testing.T) {
require.IsType(t, &beacontypes.BlockHeaderResponse{}, gr.Data)
data, _ := gr.Data.(*beacontypes.BlockHeaderResponse)

require.Equal(t, testHeader.BodyRoot, data.Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data.Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand Down Expand Up @@ -473,7 +479,7 @@ func TestGetBlockHeaderByID(t *testing.T) {
inputs: func() beacontypes.GetBlockHeaderRequest {
return beacontypes.GetBlockHeaderRequest{
BlockIDRequest: handlertypes.BlockIDRequest{
BlockID: testHeader.BodyRoot.Hex(),
BlockID: testBlockRoot.Hex(),
},
}
},
Expand All @@ -483,7 +489,7 @@ func TestGetBlockHeaderByID(t *testing.T) {
st := makeTestState(t, cs)
stateRoot := testDummyState(t, cs, st, testHeader)
b.EXPECT().StateAndSlotFromHeight(mock.Anything).Return(st, math.Slot(0), nil)
b.EXPECT().GetSlotByBlockRoot(testHeader.BodyRoot).Return(testHeader.Slot, nil)
b.EXPECT().GetSlotByBlockRoot(testBlockRoot).Return(testHeader.Slot, nil)
return stateRoot
},
check: func(t *testing.T, expectedStateRoot common.Root, res any, err error) {
Expand All @@ -496,7 +502,7 @@ func TestGetBlockHeaderByID(t *testing.T) {
require.IsType(t, &beacontypes.BlockHeaderResponse{}, gr.Data)
data, _ := gr.Data.(*beacontypes.BlockHeaderResponse)

require.Equal(t, testHeader.BodyRoot, data.Root)
require.Equal(t, expectedHeaderBlockRoot(testHeader, expectedStateRoot), data.Root)
expectedHeader := &beacontypes.BeaconBlockHeader{
Slot: testHeader.Slot.Base10(),
ProposerIndex: testHeader.ProposerIndex.Base10(),
Expand Down Expand Up @@ -530,13 +536,12 @@ func TestGetBlockHeaderByID(t *testing.T) {
inputs: func() beacontypes.GetBlockHeaderRequest {
return beacontypes.GetBlockHeaderRequest{
BlockIDRequest: handlertypes.BlockIDRequest{
BlockID: testHeader.BodyRoot.Hex(),
BlockID: testBlockRoot.Hex(),
},
}
},
setMockExpectations: func(_ *testing.T, b *mocks.Backend) common.Root {
// Assume parent header is not known
b.EXPECT().GetSlotByBlockRoot(testHeader.BodyRoot).Return(0, errTestHeaderNotFound)
b.EXPECT().GetSlotByBlockRoot(testBlockRoot).Return(0, errTestHeaderNotFound)
return common.Root{}
},
check: func(t *testing.T, _ common.Root, _ any, err error) {
Expand Down Expand Up @@ -618,3 +623,9 @@ func testDummyState(

return st.HashTreeRoot()
}

func expectedHeaderBlockRoot(hdr *ctypes.BeaconBlockHeader, stateRoot common.Root) common.Root {
h := *hdr
h.SetStateRoot(stateRoot)
return h.HashTreeRoot()
}