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Code Issues Packages Projects Releases Wiki Activity

SSZ-QL: Access n-th element in List/Vector. (#15767)

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* Add basic parsing feature for accessing by index

* Add more tests for 2d byte vector

* Add List case for access indexing

* Handle 2D bytes List example

* Fix misleading cases for CalculateOffsetAndLength

* Use elementSizes[index] if it is the last path element

* Add variable_container_list field for mocking attester_slashings in BeaconBlockBody

* Remove redundant protobuf message

* Better documentation

* Changelog

* Fix `expectedSize` of `VariableTestContainer`: as we added `variable_container_list` here

* Apply reviews from Radek
This commit is contained in:
Jun Song
2025-10-15 17:11:12 +01:00
committed by GitHub
parent 5ced1125f2
commit cd429dc253
7 changed files with 677 additions and 103 deletions
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3
changelog/syjn99_ssz-ql-index-accessing.md Normal file
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@@ -0,0 +1,3 @@
### Added
- SSZ-QL: Access n-th element in `List`/`Vector`.

33
encoding/ssz/query/path.go
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@@ -2,12 +2,16 @@ package query
import (
"errors"
"fmt"
"strconv"
"strings"
)
// PathElement represents a single element in a path.
type PathElement struct {
Name string
// [Optional] Index for List/Vector elements
Index *uint64
}
func ParsePath(rawPath string) ([]PathElement, error) {
@@ -24,7 +28,34 @@ func ParsePath(rawPath string) ([]PathElement, error) {
var path []PathElement
for _, elem := range rawElements {
path = append(path, PathElement{Name: elem})
if elem == "" {
return nil, errors.New("invalid path: consecutive dots or trailing dot")
}
fieldName := elem
var index *uint64
// Check for index notation, e.g., "field[0]"
if strings.Contains(elem, "[") {
parts := strings.SplitN(elem, "[", 2)
if len(parts) != 2 {
return nil, fmt.Errorf("invalid index notation in path element %s", elem)
}
fieldName = parts[0]
indexPart := strings.TrimSuffix(parts[1], "]")
if indexPart == "" {
return nil, errors.New("index cannot be empty")
}
indexValue, err := strconv.ParseUint(indexPart, 10, 64)
if err != nil {
return nil, fmt.Errorf("invalid index in path element %s: %w", elem, err)
}
index = &indexValue
}
path = append(path, PathElement{Name: fieldName, Index: index})
}
return path, nil

47
encoding/ssz/query/query.go
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@@ -19,7 +19,7 @@ func CalculateOffsetAndLength(sszInfo *sszInfo, path []PathElement) (*sszInfo, u
walk := sszInfo
offset := uint64(0)
for _, elem := range path {
for pathIndex, elem := range path {
containerInfo, err := walk.ContainerInfo()
if err != nil {
return nil, 0, 0, fmt.Errorf("could not get field infos: %w", err)
@@ -32,6 +32,51 @@ func CalculateOffsetAndLength(sszInfo *sszInfo, path []PathElement) (*sszInfo, u
offset += fieldInfo.offset
walk = fieldInfo.sszInfo
// Check for accessing List/Vector elements by index
if elem.Index != nil {
switch walk.sszType {
case List:
index := *elem.Index
listInfo := walk.listInfo
if index >= listInfo.length {
return nil, 0, 0, fmt.Errorf("index %d out of bounds for field %s with size %d", index, elem.Name, listInfo.length)
}
walk = listInfo.element
if walk.isVariable {
// Cumulative sum of sizes of previous elements to get the offset.
for i := range index {
offset += listInfo.elementSizes[i]
}
// NOTE: When populating recursively, the shared element template is updated for each
// list item, causing it to retain the size information of the last processed element.
// This wouldn't be an issue if this is in the middle of the path, as the walk would be updated
// to the next field's sszInfo, which would have the correct size information.
// However, if this is the last element in the path, we need to ensure we return the correct size
// for the indexed element. Hence, we return the size from elementSizes.
if pathIndex == len(path)-1 {
return walk, offset, listInfo.elementSizes[index], nil
}
} else {
offset += index * listInfo.element.Size()
}
case Vector:
index := *elem.Index
vectorInfo := walk.vectorInfo
if index >= vectorInfo.length {
return nil, 0, 0, fmt.Errorf("index %d out of bounds for field %s with size %d", index, elem.Name, vectorInfo.length)
}
offset += index * vectorInfo.element.Size()
walk = vectorInfo.element
default:
return nil, 0, 0, fmt.Errorf("field %s of type %s does not support index access", elem.Name, walk.sszType)
}
}
}
return walk, offset, walk.Size(), nil

225
encoding/ssz/query/query_test.go
View File

@@ -25,7 +25,7 @@ func TestSize(t *testing.T) {
{
name: "VariableTestContainer",
obj: &sszquerypb.VariableTestContainer{},
expectedSize: 128,
expectedSize: 132,
},
}
@@ -102,6 +102,19 @@ func TestCalculateOffsetAndLength(t *testing.T) {
expectedOffset: 85,
expectedLength: 192, // 24 * 8 bytes
},
// Accessing an element in the vector
{
name: "vector field (0th element)",
path: ".vector_field[0]",
expectedOffset: 85,
expectedLength: 8,
},
{
name: "vector field (10th element)",
path: ".vector_field[10]",
expectedOffset: 165,
expectedLength: 8,
},
// 2D bytes field
{
name: "two_dimension_bytes_field",
@@ -109,6 +122,13 @@ func TestCalculateOffsetAndLength(t *testing.T) {
expectedOffset: 277,
expectedLength: 160, // 5 * 32 bytes
},
// Accessing an element in the 2D bytes field
{
name: "two_dimension_bytes_field (1st element)",
path: ".two_dimension_bytes_field[1]",
expectedOffset: 309,
expectedLength: 32,
},
// Bitvector fields
{
name: "bitvector64_field",
@@ -161,26 +181,53 @@ func TestCalculateOffsetAndLength(t *testing.T) {
{
name: "field_list_uint64",
path: ".field_list_uint64",
expectedOffset: 112, // First part of variable-sized type.
expectedOffset: 116, // First part of variable-sized type.
expectedLength: 40, // 5 elements * uint64 (8 bytes each)
},
// Accessing an element in the list
{
name: "field_list_uint64 (2nd element)",
path: ".field_list_uint64[2]",
expectedOffset: 132,
expectedLength: 8,
},
{
name: "field_list_container",
path: ".field_list_container",
expectedOffset: 152, // Second part of variable-sized type.
expectedOffset: 156, // Second part of variable-sized type.
expectedLength: 120, // 3 elements * FixedNestedContainer (40 bytes each)
},
// Accessing an element in the list of containers
{
name: "field_list_container (1st element)",
path: ".field_list_container[1]",
expectedOffset: 196,
expectedLength: 40,
},
{
name: "field_list_bytes32",
path: ".field_list_bytes32",
expectedOffset: 272,
expectedOffset: 276,
expectedLength: 96, // 3 elements * 32 bytes each
},
// Accessing an element in the list of bytes32
{
name: "field_list_bytes32 (0th element)",
path: ".field_list_bytes32[0]",
expectedOffset: 276,
expectedLength: 32,
},
{
name: "field_list_bytes32 (2nd element)",
path: ".field_list_bytes32[2]",
expectedOffset: 340,
expectedLength: 32,
},
// Nested paths
{
name: "nested",
path: ".nested",
expectedOffset: 368,
expectedOffset: 372,
// Calculated with:
// - Value1: 8 bytes
// - field_list_uint64 offset: 4 bytes
@@ -194,40 +241,85 @@ func TestCalculateOffsetAndLength(t *testing.T) {
{
name: "nested.value1",
path: ".nested.value1",
expectedOffset: 368,
expectedOffset: 372,
expectedLength: 8,
},
{
name: "nested.field_list_uint64",
path: ".nested.field_list_uint64",
expectedOffset: 384,
expectedOffset: 388,
expectedLength: 40,
},
{
name: "nested.field_list_uint64 (3rd element)",
path: ".nested.field_list_uint64[3]",
expectedOffset: 412,
expectedLength: 8,
},
{
name: "nested.nested_list_field",
path: ".nested.nested_list_field",
expectedOffset: 436,
expectedOffset: 440,
expectedLength: 99,
},
// Accessing an element in the nested list of bytes
{
name: "nested.nested_list_field (1st element)",
path: ".nested.nested_list_field[1]",
expectedOffset: 472,
expectedLength: 33,
},
{
name: "nested.nested_list_field (2nd element)",
path: ".nested.nested_list_field[2]",
expectedOffset: 505,
expectedLength: 34,
},
// Variable list of variable-sized containers
{
name: "variable_container_list",
path: ".variable_container_list",
expectedOffset: 547,
expectedLength: 604,
},
// Bitlist field
{
name: "bitlist_field",
path: ".bitlist_field",
expectedOffset: 535,
expectedOffset: 1151,
expectedLength: 33, // 32 bytes + 1 byte for length delimiter
},
// 2D bytes field
{
name: "nested_list_field",
path: ".nested_list_field",
expectedOffset: 580,
expectedOffset: 1196,
expectedLength: 99,
},
// Accessing an element in the list of nested bytes
{
name: "nested_list_field (0th element)",
path: ".nested_list_field[0]",
expectedOffset: 1196,
expectedLength: 32,
},
{
name: "nested_list_field (1st element)",
path: ".nested_list_field[1]",
expectedOffset: 1228,
expectedLength: 33,
},
{
name: "nested_list_field (2nd element)",
path: ".nested_list_field[2]",
expectedOffset: 1261,
expectedLength: 34,
},
// Fixed trailing field
{
name: "trailing_field",
path: ".trailing_field",
expectedOffset: 56, // After leading_field + 6 offset pointers
expectedOffset: 60, // After leading_field + 7 offset pointers
expectedLength: 56,
},
}
@@ -419,11 +511,27 @@ func getFixedTestContainerSpec() testutil.TestSpec {
Path: ".vector_field",
Expected: testContainer.VectorField,
},
{
Path: ".vector_field[0]",
Expected: testContainer.VectorField[0],
},
{
Path: ".vector_field[10]",
Expected: testContainer.VectorField[10],
},
// 2D bytes field
{
Path: ".two_dimension_bytes_field",
Expected: testContainer.TwoDimensionBytesField,
},
{
Path: ".two_dimension_bytes_field[0]",
Expected: testContainer.TwoDimensionBytesField[0],
},
{
Path: ".two_dimension_bytes_field[1]",
Expected: testContainer.TwoDimensionBytesField[1],
},
// Bitvector fields
{
Path: ".bitvector64_field",
@@ -481,6 +589,28 @@ func createVariableTestContainer() *sszquerypb.VariableTestContainer {
}
}
// Two VariableOuterContainer elements, each with two VariableInnerContainer elements
variableContainerList := make([]*sszquerypb.VariableOuterContainer, 2)
for i := range variableContainerList {
// Inner1: 8 + 4 + 4 + (8*3) + (4*3) + 99 = 151 bytes
inner1 := &sszquerypb.VariableNestedContainer{
Value1: 42,
FieldListUint64: []uint64{uint64(i), uint64(i + 1), uint64(i + 2)},
NestedListField: nestedListField,
}
// Inner2: 8 + 4 + 4 + (8*2) + (4*3) + 99 = 143 bytes
inner2 := &sszquerypb.VariableNestedContainer{
Value1: 84,
FieldListUint64: []uint64{uint64(i + 3), uint64(i + 4)},
NestedListField: nestedListField,
}
// (4*2) + 151 + 143 = 302 bytes per VariableOuterContainer
variableContainerList[i] = &sszquerypb.VariableOuterContainer{
Inner_1: inner1,
Inner_2: inner2,
}
}
return &sszquerypb.VariableTestContainer{
// Fixed leading field
LeadingField: leadingField,
@@ -501,6 +631,9 @@ func createVariableTestContainer() *sszquerypb.VariableTestContainer {
NestedListField: nestedListField,
},
// Variable list of variable-sized containers
VariableContainerList: variableContainerList,
// Bitlist field
BitlistField: bitlistField,
@@ -530,11 +663,24 @@ func getVariableTestContainerSpec() testutil.TestSpec {
Path: ".field_list_uint64",
Expected: testContainer.FieldListUint64,
},
{
Path: ".field_list_uint64[2]",
Expected: testContainer.FieldListUint64[2],
},
// Variable-size list of (fixed-size) containers
{
Path: ".field_list_container",
Expected: testContainer.FieldListContainer,
},
// Accessing an element in the list of containers
{
Path: ".field_list_container[0]",
Expected: testContainer.FieldListContainer[0],
},
{
Path: ".field_list_container[1]",
Expected: testContainer.FieldListContainer[1],
},
// Variable-size list of bytes32
{
Path: ".field_list_bytes32",
@@ -553,10 +699,55 @@ func getVariableTestContainerSpec() testutil.TestSpec {
Path: ".nested.field_list_uint64",
Expected: testContainer.Nested.FieldListUint64,
},
{
Path: ".nested.field_list_uint64[3]",
Expected: testContainer.Nested.FieldListUint64[3],
},
{
Path: ".nested.nested_list_field",
Expected: testContainer.Nested.NestedListField,
},
{
Path: ".nested.nested_list_field[0]",
Expected: testContainer.Nested.NestedListField[0],
},
{
Path: ".nested.nested_list_field[1]",
Expected: testContainer.Nested.NestedListField[1],
},
{
Path: ".nested.nested_list_field[2]",
Expected: testContainer.Nested.NestedListField[2],
},
// Variable list of variable-sized containers
{
Path: ".variable_container_list",
Expected: testContainer.VariableContainerList,
},
{
Path: ".variable_container_list[0]",
Expected: testContainer.VariableContainerList[0],
},
{
Path: ".variable_container_list[0].inner_1.field_list_uint64[1]",
Expected: testContainer.VariableContainerList[0].Inner_1.FieldListUint64[1],
},
{
Path: ".variable_container_list[0].inner_2.field_list_uint64[1]",
Expected: testContainer.VariableContainerList[0].Inner_2.FieldListUint64[1],
},
{
Path: ".variable_container_list[1]",
Expected: testContainer.VariableContainerList[1],
},
{
Path: ".variable_container_list[1].inner_1.field_list_uint64[1]",
Expected: testContainer.VariableContainerList[1].Inner_1.FieldListUint64[1],
},
{
Path: ".variable_container_list[1].inner_2.field_list_uint64[1]",
Expected: testContainer.VariableContainerList[1].Inner_2.FieldListUint64[1],
},
// Bitlist field
{
Path: ".bitlist_field",
@@ -567,6 +758,18 @@ func getVariableTestContainerSpec() testutil.TestSpec {
Path: ".nested_list_field",
Expected: testContainer.NestedListField,
},
{
Path: ".nested_list_field[0]",
Expected: testContainer.NestedListField[0],
},
{
Path: ".nested_list_field[1]",
Expected: testContainer.NestedListField[1],
},
{
Path: ".nested_list_field[2]",
Expected: testContainer.NestedListField[2],
},
// Fixed trailing field
{
Path: ".trailing_field",

189
proto/ssz_query/ssz_query.pb.go generated
View File

@@ -251,6 +251,58 @@ func (x *VariableNestedContainer) GetNestedListField() [][]byte {
return nil
}
type VariableOuterContainer struct {
state protoimpl.MessageState `protogen:"open.v1"`
Inner_1 *VariableNestedContainer `protobuf:"bytes,1,opt,name=inner_1,json=inner1,proto3" json:"inner_1,omitempty"`
Inner_2 *VariableNestedContainer `protobuf:"bytes,2,opt,name=inner_2,json=inner2,proto3" json:"inner_2,omitempty"`
unknownFields protoimpl.UnknownFields
sizeCache protoimpl.SizeCache
}
func (x *VariableOuterContainer) Reset() {
*x = VariableOuterContainer{}
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *VariableOuterContainer) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*VariableOuterContainer) ProtoMessage() {}
func (x *VariableOuterContainer) ProtoReflect() protoreflect.Message {
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[3]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use VariableOuterContainer.ProtoReflect.Descriptor instead.
func (*VariableOuterContainer) Descriptor() ([]byte, []int) {
return file_proto_ssz_query_ssz_query_proto_rawDescGZIP(), []int{3}
}
func (x *VariableOuterContainer) GetInner_1() *VariableNestedContainer {
if x != nil {
return x.Inner_1
}
return nil
}
func (x *VariableOuterContainer) GetInner_2() *VariableNestedContainer {
if x != nil {
return x.Inner_2
}
return nil
}
type VariableTestContainer struct {
state protoimpl.MessageState `protogen:"open.v1"`
LeadingField []byte `protobuf:"bytes,1,opt,name=leading_field,json=leadingField,proto3" json:"leading_field,omitempty" ssz-size:"32"`
@@ -258,16 +310,17 @@ type VariableTestContainer struct {
FieldListContainer []*FixedNestedContainer `protobuf:"bytes,3,rep,name=field_list_container,json=fieldListContainer,proto3" json:"field_list_container,omitempty" ssz-max:"128"`
FieldListBytes32 [][]byte `protobuf:"bytes,4,rep,name=field_list_bytes32,json=fieldListBytes32,proto3" json:"field_list_bytes32,omitempty" ssz-max:"100" ssz-size:"?,32"`
Nested *VariableNestedContainer `protobuf:"bytes,5,opt,name=nested,proto3" json:"nested,omitempty"`
BitlistField github_com_prysmaticlabs_go_bitfield.Bitlist `protobuf:"bytes,6,opt,name=bitlist_field,json=bitlistField,proto3" json:"bitlist_field,omitempty" cast-type:"github.com/prysmaticlabs/go-bitfield.Bitlist" ssz-max:"2048"`
NestedListField [][]byte `protobuf:"bytes,7,rep,name=nested_list_field,json=nestedListField,proto3" json:"nested_list_field,omitempty" ssz-max:"100,50" ssz-size:"?,?"`
TrailingField []byte `protobuf:"bytes,8,opt,name=trailing_field,json=trailingField,proto3" json:"trailing_field,omitempty" ssz-size:"56"`
VariableContainerList []*VariableOuterContainer `protobuf:"bytes,6,rep,name=variable_container_list,json=variableContainerList,proto3" json:"variable_container_list,omitempty" ssz-max:"10"`
BitlistField github_com_prysmaticlabs_go_bitfield.Bitlist `protobuf:"bytes,7,opt,name=bitlist_field,json=bitlistField,proto3" json:"bitlist_field,omitempty" cast-type:"github.com/prysmaticlabs/go-bitfield.Bitlist" ssz-max:"2048"`
NestedListField [][]byte `protobuf:"bytes,8,rep,name=nested_list_field,json=nestedListField,proto3" json:"nested_list_field,omitempty" ssz-max:"100,50" ssz-size:"?,?"`
TrailingField []byte `protobuf:"bytes,9,opt,name=trailing_field,json=trailingField,proto3" json:"trailing_field,omitempty" ssz-size:"56"`
unknownFields protoimpl.UnknownFields
sizeCache protoimpl.SizeCache
}
func (x *VariableTestContainer) Reset() {
*x = VariableTestContainer{}
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[3]
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -279,7 +332,7 @@ func (x *VariableTestContainer) String() string {
func (*VariableTestContainer) ProtoMessage() {}
func (x *VariableTestContainer) ProtoReflect() protoreflect.Message {
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[3]
mi := &file_proto_ssz_query_ssz_query_proto_msgTypes[4]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -292,7 +345,7 @@ func (x *VariableTestContainer) ProtoReflect() protoreflect.Message {
// Deprecated: Use VariableTestContainer.ProtoReflect.Descriptor instead.
func (*VariableTestContainer) Descriptor() ([]byte, []int) {
return file_proto_ssz_query_ssz_query_proto_rawDescGZIP(), []int{3}
return file_proto_ssz_query_ssz_query_proto_rawDescGZIP(), []int{4}
}
func (x *VariableTestContainer) GetLeadingField() []byte {
@@ -330,6 +383,13 @@ func (x *VariableTestContainer) GetNested() *VariableNestedContainer {
return nil
}
func (x *VariableTestContainer) GetVariableContainerList() []*VariableOuterContainer {
if x != nil {
return x.VariableContainerList
}
return nil
}
func (x *VariableTestContainer) GetBitlistField() github_com_prysmaticlabs_go_bitfield.Bitlist {
if x != nil {
return x.BitlistField
@@ -411,45 +471,60 @@ var file_proto_ssz_query_ssz_query_proto_rawDesc = []byte{
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}
var (
@@ -464,22 +539,26 @@ func file_proto_ssz_query_ssz_query_proto_rawDescGZIP() []byte {
return file_proto_ssz_query_ssz_query_proto_rawDescData
}
var file_proto_ssz_query_ssz_query_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_proto_ssz_query_ssz_query_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_proto_ssz_query_ssz_query_proto_goTypes = []any{
(*FixedNestedContainer)(nil), // 0: ssz_query.FixedNestedContainer
(*FixedTestContainer)(nil), // 1: ssz_query.FixedTestContainer
(*VariableNestedContainer)(nil), // 2: ssz_query.VariableNestedContainer
(*VariableTestContainer)(nil), // 3: ssz_query.VariableTestContainer
(*VariableOuterContainer)(nil), // 3: ssz_query.VariableOuterContainer
(*VariableTestContainer)(nil), // 4: ssz_query.VariableTestContainer
}
var file_proto_ssz_query_ssz_query_proto_depIdxs = []int32{
0, // 0: ssz_query.FixedTestContainer.nested:type_name -> ssz_query.FixedNestedContainer
0, // 1: ssz_query.VariableTestContainer.field_list_container:type_name -> ssz_query.FixedNestedContainer
2, // 2: ssz_query.VariableTestContainer.nested:type_name -> ssz_query.VariableNestedContainer
3, // [3:3] is the sub-list for method output_type
3, // [3:3] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
2, // 1: ssz_query.VariableOuterContainer.inner_1:type_name -> ssz_query.VariableNestedContainer
2, // 2: ssz_query.VariableOuterContainer.inner_2:type_name -> ssz_query.VariableNestedContainer
0, // 3: ssz_query.VariableTestContainer.field_list_container:type_name -> ssz_query.FixedNestedContainer
2, // 4: ssz_query.VariableTestContainer.nested:type_name -> ssz_query.VariableNestedContainer
3, // 5: ssz_query.VariableTestContainer.variable_container_list:type_name -> ssz_query.VariableOuterContainer
6, // [6:6] is the sub-list for method output_type
6, // [6:6] is the sub-list for method input_type
6, // [6:6] is the sub-list for extension type_name
6, // [6:6] is the sub-list for extension extendee
0, // [0:6] is the sub-list for field type_name
}
func init() { file_proto_ssz_query_ssz_query_proto_init() }
@@ -493,7 +572,7 @@ func file_proto_ssz_query_ssz_query_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_proto_ssz_query_ssz_query_proto_rawDesc,
NumEnums: 0,
NumMessages: 4,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},

17
proto/ssz_query/ssz_query.proto
View File

@@ -71,6 +71,13 @@ message VariableNestedContainer {
];
}
// Mock of AttesterSlashingElectra
message VariableOuterContainer {
VariableNestedContainer inner_1 = 1;
VariableNestedContainer inner_2 = 2;
}
// VariableTestContainer - comprehensive variable-size container for SSZ query testing
// Tests: Variable-size lists, offsets in variable containers, mixed fixed/variable fields
message VariableTestContainer {
@@ -93,8 +100,12 @@ message VariableTestContainer {
// Variable nested container - test nested container access within variable container
VariableNestedContainer nested = 5;
// List of variable-sized containers
// e.g., BeaconBlockBody.attester_slashings
repeated VariableOuterContainer variable_container_list = 6 [ (ethereum.eth.ext.ssz_max) = "10" ]; // Test: List[VariableOuterContainer, 10]
// Bitlist type - test bitlist serialization
bytes bitlist_field = 6 [
bytes bitlist_field = 7 [
(ethereum.eth.ext.ssz_max) = "2048",
(ethereum.eth.ext.cast_type) =
"github.com/prysmaticlabs/go-bitfield.Bitlist"
@@ -102,12 +113,12 @@ message VariableTestContainer {
// 2D bytes list - test list of bytelists.
// e.g., ExecutionPayload.transactions
repeated bytes nested_list_field = 7 [
repeated bytes nested_list_field = 8 [
(ethereum.eth.ext.ssz_size) = "?,?",
(ethereum.eth.ext.ssz_max) = "100,50"
];
// Fixed-size trailing field - test fixed field after variable fields
// Verifies correct offset calculation after variable-size fields
bytes trailing_field = 8 [ (ethereum.eth.ext.ssz_size) = "56" ]; // Test: fixed 56-byte field at end, offset: 32 + 4 + 4 + 4 + 4 + 4 + 4 = 56
bytes trailing_field = 9 [ (ethereum.eth.ext.ssz_size) = "56" ]; // Test: fixed 56-byte field at end, offset: 32 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 60
}

250
proto/ssz_query/ssz_query.ssz.go
View File

@@ -509,6 +509,134 @@ func (v *VariableNestedContainer) HashTreeRootWith(hh *ssz.Hasher) (err error) {
return
}
// MarshalSSZ ssz marshals the VariableOuterContainer object
func (v *VariableOuterContainer) MarshalSSZ() ([]byte, error) {
return ssz.MarshalSSZ(v)
}
// MarshalSSZTo ssz marshals the VariableOuterContainer object to a target array
func (v *VariableOuterContainer) MarshalSSZTo(buf []byte) (dst []byte, err error) {
dst = buf
offset := int(8)
// Offset (0) 'Inner_1'
dst = ssz.WriteOffset(dst, offset)
if v.Inner_1 == nil {
v.Inner_1 = new(VariableNestedContainer)
}
offset += v.Inner_1.SizeSSZ()
// Offset (1) 'Inner_2'
dst = ssz.WriteOffset(dst, offset)
if v.Inner_2 == nil {
v.Inner_2 = new(VariableNestedContainer)
}
offset += v.Inner_2.SizeSSZ()
// Field (0) 'Inner_1'
if dst, err = v.Inner_1.MarshalSSZTo(dst); err != nil {
return
}
// Field (1) 'Inner_2'
if dst, err = v.Inner_2.MarshalSSZTo(dst); err != nil {
return
}
return
}
// UnmarshalSSZ ssz unmarshals the VariableOuterContainer object
func (v *VariableOuterContainer) UnmarshalSSZ(buf []byte) error {
var err error
size := uint64(len(buf))
if size < 8 {
return ssz.ErrSize
}
tail := buf
var o0, o1 uint64
// Offset (0) 'Inner_1'
if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
return ssz.ErrOffset
}
if o0 != 8 {
return ssz.ErrInvalidVariableOffset
}
// Offset (1) 'Inner_2'
if o1 = ssz.ReadOffset(buf[4:8]); o1 > size || o0 > o1 {
return ssz.ErrOffset
}
// Field (0) 'Inner_1'
{
buf = tail[o0:o1]
if v.Inner_1 == nil {
v.Inner_1 = new(VariableNestedContainer)
}
if err = v.Inner_1.UnmarshalSSZ(buf); err != nil {
return err
}
}
// Field (1) 'Inner_2'
{
buf = tail[o1:]
if v.Inner_2 == nil {
v.Inner_2 = new(VariableNestedContainer)
}
if err = v.Inner_2.UnmarshalSSZ(buf); err != nil {
return err
}
}
return err
}
// SizeSSZ returns the ssz encoded size in bytes for the VariableOuterContainer object
func (v *VariableOuterContainer) SizeSSZ() (size int) {
size = 8
// Field (0) 'Inner_1'
if v.Inner_1 == nil {
v.Inner_1 = new(VariableNestedContainer)
}
size += v.Inner_1.SizeSSZ()
// Field (1) 'Inner_2'
if v.Inner_2 == nil {
v.Inner_2 = new(VariableNestedContainer)
}
size += v.Inner_2.SizeSSZ()
return
}
// HashTreeRoot ssz hashes the VariableOuterContainer object
func (v *VariableOuterContainer) HashTreeRoot() ([32]byte, error) {
return ssz.HashWithDefaultHasher(v)
}
// HashTreeRootWith ssz hashes the VariableOuterContainer object with a hasher
func (v *VariableOuterContainer) HashTreeRootWith(hh *ssz.Hasher) (err error) {
indx := hh.Index()
// Field (0) 'Inner_1'
if err = v.Inner_1.HashTreeRootWith(hh); err != nil {
return
}
// Field (1) 'Inner_2'
if err = v.Inner_2.HashTreeRootWith(hh); err != nil {
return
}
hh.Merkleize(indx)
return
}
// MarshalSSZ ssz marshals the VariableTestContainer object
func (v *VariableTestContainer) MarshalSSZ() ([]byte, error) {
return ssz.MarshalSSZ(v)
@@ -517,7 +645,7 @@ func (v *VariableTestContainer) MarshalSSZ() ([]byte, error) {
// MarshalSSZTo ssz marshals the VariableTestContainer object to a target array
func (v *VariableTestContainer) MarshalSSZTo(buf []byte) (dst []byte, err error) {
dst = buf
offset := int(112)
offset := int(116)
// Field (0) 'LeadingField'
if size := len(v.LeadingField); size != 32 {
@@ -545,18 +673,25 @@ func (v *VariableTestContainer) MarshalSSZTo(buf []byte) (dst []byte, err error)
}
offset += v.Nested.SizeSSZ()
// Offset (5) 'BitlistField'
// Offset (5) 'VariableContainerList'
dst = ssz.WriteOffset(dst, offset)
for ii := 0; ii < len(v.VariableContainerList); ii++ {
offset += 4
offset += v.VariableContainerList[ii].SizeSSZ()
}
// Offset (6) 'BitlistField'
dst = ssz.WriteOffset(dst, offset)
offset += len(v.BitlistField)
// Offset (6) 'NestedListField'
// Offset (7) 'NestedListField'
dst = ssz.WriteOffset(dst, offset)
for ii := 0; ii < len(v.NestedListField); ii++ {
offset += 4
offset += len(v.NestedListField[ii])
}
// Field (7) 'TrailingField'
// Field (8) 'TrailingField'
if size := len(v.TrailingField); size != 56 {
err = ssz.ErrBytesLengthFn("--.TrailingField", size, 56)
return
@@ -601,14 +736,32 @@ func (v *VariableTestContainer) MarshalSSZTo(buf []byte) (dst []byte, err error)
return
}
// Field (5) 'BitlistField'
// Field (5) 'VariableContainerList'
if size := len(v.VariableContainerList); size > 10 {
err = ssz.ErrListTooBigFn("--.VariableContainerList", size, 10)
return
}
{
offset = 4 * len(v.VariableContainerList)
for ii := 0; ii < len(v.VariableContainerList); ii++ {
dst = ssz.WriteOffset(dst, offset)
offset += v.VariableContainerList[ii].SizeSSZ()
}
}
for ii := 0; ii < len(v.VariableContainerList); ii++ {
if dst, err = v.VariableContainerList[ii].MarshalSSZTo(dst); err != nil {
return
}
}
// Field (6) 'BitlistField'
if size := len(v.BitlistField); size > 2048 {
err = ssz.ErrBytesLengthFn("--.BitlistField", size, 2048)
return
}
dst = append(dst, v.BitlistField...)
// Field (6) 'NestedListField'
// Field (7) 'NestedListField'
if size := len(v.NestedListField); size > 100 {
err = ssz.ErrListTooBigFn("--.NestedListField", size, 100)
return
@@ -635,12 +788,12 @@ func (v *VariableTestContainer) MarshalSSZTo(buf []byte) (dst []byte, err error)
func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
var err error
size := uint64(len(buf))
if size < 112 {
if size < 116 {
return ssz.ErrSize
}
tail := buf
var o1, o2, o3, o4, o5, o6 uint64
var o1, o2, o3, o4, o5, o6, o7 uint64
// Field (0) 'LeadingField'
if cap(v.LeadingField) == 0 {
@@ -653,7 +806,7 @@ func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
return ssz.ErrOffset
}
if o1 != 112 {
if o1 != 116 {
return ssz.ErrInvalidVariableOffset
}
@@ -672,21 +825,26 @@ func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
return ssz.ErrOffset
}
// Offset (5) 'BitlistField'
// Offset (5) 'VariableContainerList'
if o5 = ssz.ReadOffset(buf[48:52]); o5 > size || o4 > o5 {
return ssz.ErrOffset
}
// Offset (6) 'NestedListField'
// Offset (6) 'BitlistField'
if o6 = ssz.ReadOffset(buf[52:56]); o6 > size || o5 > o6 {
return ssz.ErrOffset
}
// Field (7) 'TrailingField'
if cap(v.TrailingField) == 0 {
v.TrailingField = make([]byte, 0, len(buf[56:112]))
// Offset (7) 'NestedListField'
if o7 = ssz.ReadOffset(buf[56:60]); o7 > size || o6 > o7 {
return ssz.ErrOffset
}
v.TrailingField = append(v.TrailingField, buf[56:112]...)
// Field (8) 'TrailingField'
if cap(v.TrailingField) == 0 {
v.TrailingField = make([]byte, 0, len(buf[60:116]))
}
v.TrailingField = append(v.TrailingField, buf[60:116]...)
// Field (1) 'FieldListUint64'
{
@@ -746,9 +904,31 @@ func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
}
}
// Field (5) 'BitlistField'
// Field (5) 'VariableContainerList'
{
buf = tail[o5:o6]
num, err := ssz.DecodeDynamicLength(buf, 10)
if err != nil {
return err
}
v.VariableContainerList = make([]*VariableOuterContainer, num)
err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
if v.VariableContainerList[indx] == nil {
v.VariableContainerList[indx] = new(VariableOuterContainer)
}
if err = v.VariableContainerList[indx].UnmarshalSSZ(buf); err != nil {
return err
}
return nil
})
if err != nil {
return err
}
}
// Field (6) 'BitlistField'
{
buf = tail[o6:o7]
if err = ssz.ValidateBitlist(buf, 2048); err != nil {
return err
}
@@ -758,9 +938,9 @@ func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
v.BitlistField = append(v.BitlistField, buf...)
}
// Field (6) 'NestedListField'
// Field (7) 'NestedListField'
{
buf = tail[o6:]
buf = tail[o7:]
num, err := ssz.DecodeDynamicLength(buf, 100)
if err != nil {
return err
@@ -785,7 +965,7 @@ func (v *VariableTestContainer) UnmarshalSSZ(buf []byte) error {
// SizeSSZ returns the ssz encoded size in bytes for the VariableTestContainer object
func (v *VariableTestContainer) SizeSSZ() (size int) {
size = 112
size = 116
// Field (1) 'FieldListUint64'
size += len(v.FieldListUint64) * 8
@@ -802,10 +982,16 @@ func (v *VariableTestContainer) SizeSSZ() (size int) {
}
size += v.Nested.SizeSSZ()
// Field (5) 'BitlistField'
// Field (5) 'VariableContainerList'
for ii := 0; ii < len(v.VariableContainerList); ii++ {
size += 4
size += v.VariableContainerList[ii].SizeSSZ()
}
// Field (6) 'BitlistField'
size += len(v.BitlistField)
// Field (6) 'NestedListField'
// Field (7) 'NestedListField'
for ii := 0; ii < len(v.NestedListField); ii++ {
size += 4
size += len(v.NestedListField[ii])
@@ -886,14 +1072,30 @@ func (v *VariableTestContainer) HashTreeRootWith(hh *ssz.Hasher) (err error) {
return
}
// Field (5) 'BitlistField'
// Field (5) 'VariableContainerList'
{
subIndx := hh.Index()
num := uint64(len(v.VariableContainerList))
if num > 10 {
err = ssz.ErrIncorrectListSize
return
}
for _, elem := range v.VariableContainerList {
if err = elem.HashTreeRootWith(hh); err != nil {
return
}
}
hh.MerkleizeWithMixin(subIndx, num, 10)
}
// Field (6) 'BitlistField'
if len(v.BitlistField) == 0 {
err = ssz.ErrEmptyBitlist
return
}
hh.PutBitlist(v.BitlistField, 2048)
// Field (6) 'NestedListField'
// Field (7) 'NestedListField'
{
subIndx := hh.Index()
num := uint64(len(v.NestedListField))
@@ -916,7 +1118,7 @@ func (v *VariableTestContainer) HashTreeRootWith(hh *ssz.Hasher) (err error) {
hh.MerkleizeWithMixin(subIndx, num, 100)
}
// Field (7) 'TrailingField'
// Field (8) 'TrailingField'
if size := len(v.TrailingField); size != 56 {
err = ssz.ErrBytesLengthFn("--.TrailingField", size, 56)
return