sszutils

type BufferDecoder struct {
	// contains filtered or unexported fields
}

type BufferEncoder struct {
	// contains filtered or unexported fields
}

type Decoder interface {
	Seekable() bool   // can use DecodeOffsetAt() and SkipBytes()
	GetPosition() int // return current position
	GetLength() int   // return remaining length
	PushLimit(limit int)
	PopLimit() int
	DecodeBool() (bool, error)
	DecodeUint8() (uint8, error)
	DecodeUint16() (uint16, error)
	DecodeUint32() (uint32, error)
	DecodeUint64() (uint64, error)
	DecodeBytes(buf []byte) ([]byte, error)
	DecodeBytesBuf(len int) ([]byte, error)
	DecodeOffset() (uint32, error)
	DecodeOffsetAt(pos int) uint32
	SkipBytes(n int)
}

type DynamicDecoder interface {
	UnmarshalSSZDecoder(ds DynamicSpecs, decoder Decoder) error
}

type DynamicEncoder interface {
	MarshalSSZEncoder(ds DynamicSpecs, encoder Encoder) error
}

type DynamicHashRoot interface {
	HashTreeRootWithDyn(ds DynamicSpecs, hh HashWalker) error
}

type DynamicMarshaler interface {
	MarshalSSZDyn(ds DynamicSpecs, buf []byte) ([]byte, error)
}

type DynamicSizer interface {
	SizeSSZDyn(ds DynamicSpecs) int
}

type DynamicSpecs interface {
	ResolveSpecValue(name string) (bool, uint64, error)
}

type DynamicUnmarshaler interface {
	UnmarshalSSZDyn(ds DynamicSpecs, buf []byte) error
}

type Encoder interface {
	Seekable() bool // can use EncodeOffsetAt()
	GetPosition() int
	GetBuffer() []byte       // return the output buffer (or a temp buffer if Seekable() is false)
	SetBuffer(buffer []byte) // set new output buffer (or write the buffer to the stream if Seekable() is false)
	EncodeBool(v bool)
	EncodeUint8(v uint8)
	EncodeUint16(v uint16)
	EncodeUint32(v uint32)
	EncodeUint64(v uint64)
	EncodeBytes(v []byte)
	EncodeOffset(v uint32)
	EncodeOffsetAt(pos int, v uint32)
	EncodeZeroPadding(n int)
}

type FastsszHashRoot interface {
	HashTreeRoot() ([32]byte, error)
}

type FastsszMarshaler interface {
	MarshalSSZTo(dst []byte) ([]byte, error)
	MarshalSSZ() ([]byte, error)
	SizeSSZ() int
}

type FastsszUnmarshaler interface {
	UnmarshalSSZ(buf []byte) error
}

type HashWalker interface {
	// Hash returns the latest hash generated during merkleize
	Hash() []byte

	// Methods for appending single values
	AppendBool(b bool)
	AppendUint8(i uint8)
	AppendUint16(i uint16)
	AppendUint32(i uint32)
	AppendUint64(i uint64)
	AppendBytes32(b []byte)

	// Methods for putting values into the buffer
	PutUint64Array(b []uint64, maxCapacity ...uint64)
	PutUint64(i uint64)
	PutUint32(i uint32)
	PutUint16(i uint16)
	PutUint8(i uint8)
	PutBitlist(bb []byte, maxSize uint64)
	PutProgressiveBitlist(bb []byte)
	PutBool(b bool)
	PutBytes(b []byte)

	// Buffer manipulation methods
	FillUpTo32()
	Append(i []byte)
	Index() int

	// temporary buffer methods
	WithTemp(func(tmp []byte) []byte)

	// Merkleization methods
	Merkleize(indx int)
	MerkleizeWithMixin(indx int, num, limit uint64)
	MerkleizeProgressive(indx int)
	MerkleizeProgressiveWithMixin(indx int, num uint64)
	MerkleizeProgressiveWithActiveFields(indx int, activeFields []byte)

	// HashRoot methods
	HashRoot() ([32]byte, error)
}

type StreamDecoder struct {
	// contains filtered or unexported fields
}

type StreamEncoder struct {
	// contains filtered or unexported fields
}