structs_encoding.go

// Code generated by fastssz. DO NOT EDIT.
package spectests

import (
	ssz "github.com/ferranbt/fastssz"
	"github.com/ferranbt/fastssz/spectests/external"
	external2Alias "github.com/ferranbt/fastssz/spectests/external2"
)

// MarshalSSZ ssz marshals the AggregateAndProof object
func (a *AggregateAndProof) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(a)
}

// MarshalSSZTo ssz marshals the AggregateAndProof object to a target array
func (a *AggregateAndProof) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(108)

	// Field (0) 'Index'
	dst = ssz.MarshalUint64(dst, a.Index)

	// Offset (1) 'Aggregate'
	dst = ssz.WriteOffset(dst, offset)
	if a.Aggregate == nil {
		a.Aggregate = new(Attestation)
	}
	offset += a.Aggregate.SizeSSZ()

	// Field (2) 'SelectionProof'
	if dst, err = a.SelectionProof.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (1) 'Aggregate'
	if dst, err = a.Aggregate.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the AggregateAndProof object
func (a *AggregateAndProof) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 108 {
		return ssz.ErrSize
	}

	tail := buf
	var o1 uint64

	// Field (0) 'Index'
	a.Index = ssz.UnmarshallUint64(buf[0:8])

	// Offset (1) 'Aggregate'
	if o1 = ssz.ReadOffset(buf[8:12]); o1 > size {
		return ssz.ErrOffset
	}

	// Field (2) 'SelectionProof'
	if err = a.SelectionProof.UnmarshalSSZ(buf[12:108]); err != nil {
		return err
	}

	// Field (1) 'Aggregate'
	{
		buf = tail[o1:]
		if a.Aggregate == nil {
			a.Aggregate = new(Attestation)
		}
		if err = a.Aggregate.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the AggregateAndProof object
func (a *AggregateAndProof) SizeSSZ() (size int) {
	size = 108

	// Field (1) 'Aggregate'
	if a.Aggregate == nil {
		a.Aggregate = new(Attestation)
	}
	size += a.Aggregate.SizeSSZ()

	return
}

// HashTreeRoot ssz hashes the AggregateAndProof object
func (a *AggregateAndProof) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(a)
}

// HashTreeRootWith ssz hashes the AggregateAndProof object with a hasher
func (a *AggregateAndProof) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Index'
	hh.PutUint64(a.Index)

	// Field (1) 'Aggregate'
	if err = a.Aggregate.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'SelectionProof'
	if err = a.SelectionProof.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Checkpoint object
func (c *Checkpoint) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(c)
}

// MarshalSSZTo ssz marshals the Checkpoint object to a target array
func (c *Checkpoint) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Epoch'
	dst = ssz.MarshalUint64(dst, uint64(c.Epoch))

	// Field (1) 'Root'
	if len(c.Root) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, c.Root...)

	return
}

// UnmarshalSSZ ssz unmarshals the Checkpoint object
func (c *Checkpoint) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 40 {
		return ssz.ErrSize
	}

	// Field (0) 'Epoch'
	c.Epoch = external2Alias.EpochAlias(ssz.UnmarshallUint64(buf[0:8]))

	// Field (1) 'Root'
	if cap(c.Root) == 0 {
		c.Root = make([]byte, 0, len(buf[8:40]))
	}
	c.Root = append(c.Root, buf[8:40]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Checkpoint object
func (c *Checkpoint) SizeSSZ() (size int) {
	size = 40
	return
}

// HashTreeRoot ssz hashes the Checkpoint object
func (c *Checkpoint) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(c)
}

// HashTreeRootWith ssz hashes the Checkpoint object with a hasher
func (c *Checkpoint) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Epoch'
	hh.PutUint64(uint64(c.Epoch))

	// Field (1) 'Root'
	if len(c.Root) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(c.Root)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the AttestationData object
func (a *AttestationData) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(a)
}

// MarshalSSZTo ssz marshals the AttestationData object to a target array
func (a *AttestationData) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Slot'
	dst = ssz.MarshalUint64(dst, uint64(a.Slot))

	// Field (1) 'Index'
	dst = ssz.MarshalUint64(dst, a.Index)

	// Field (2) 'BeaconBlockHash'
	dst = append(dst, a.BeaconBlockHash[:]...)

	// Field (3) 'Source'
	if a.Source == nil {
		a.Source = new(Checkpoint)
	}
	if dst, err = a.Source.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (4) 'Target'
	if a.Target == nil {
		a.Target = new(Checkpoint)
	}
	if dst, err = a.Target.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the AttestationData object
func (a *AttestationData) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 128 {
		return ssz.ErrSize
	}

	// Field (0) 'Slot'
	a.Slot = Slot(ssz.UnmarshallUint64(buf[0:8]))

	// Field (1) 'Index'
	a.Index = ssz.UnmarshallUint64(buf[8:16])

	// Field (2) 'BeaconBlockHash'
	copy(a.BeaconBlockHash[:], buf[16:48])

	// Field (3) 'Source'
	if a.Source == nil {
		a.Source = new(Checkpoint)
	}
	if err = a.Source.UnmarshalSSZ(buf[48:88]); err != nil {
		return err
	}

	// Field (4) 'Target'
	if a.Target == nil {
		a.Target = new(Checkpoint)
	}
	if err = a.Target.UnmarshalSSZ(buf[88:128]); err != nil {
		return err
	}

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the AttestationData object
func (a *AttestationData) SizeSSZ() (size int) {
	size = 128
	return
}

// HashTreeRoot ssz hashes the AttestationData object
func (a *AttestationData) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(a)
}

// HashTreeRootWith ssz hashes the AttestationData object with a hasher
func (a *AttestationData) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Slot'
	hh.PutUint64(uint64(a.Slot))

	// Field (1) 'Index'
	hh.PutUint64(a.Index)

	// Field (2) 'BeaconBlockHash'
	hh.PutBytes(a.BeaconBlockHash[:])

	// Field (3) 'Source'
	if err = a.Source.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (4) 'Target'
	if err = a.Target.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Attestation object
func (a *Attestation) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(a)
}

// MarshalSSZTo ssz marshals the Attestation object to a target array
func (a *Attestation) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(228)

	// Offset (0) 'AggregationBits'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(a.AggregationBits)

	// Field (1) 'Data'
	if a.Data == nil {
		a.Data = new(AttestationData)
	}
	if dst, err = a.Data.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (2) 'Signature'
	if a.Signature == nil {
		a.Signature = new(external.Signature)
	}
	if dst, err = a.Signature.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (0) 'AggregationBits'
	if len(a.AggregationBits) > 2048 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, a.AggregationBits...)

	return
}

// UnmarshalSSZ ssz unmarshals the Attestation object
func (a *Attestation) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 228 {
		return ssz.ErrSize
	}

	tail := buf
	var o0 uint64

	// Offset (0) 'AggregationBits'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Field (1) 'Data'
	if a.Data == nil {
		a.Data = new(AttestationData)
	}
	if err = a.Data.UnmarshalSSZ(buf[4:132]); err != nil {
		return err
	}

	// Field (2) 'Signature'
	if a.Signature == nil {
		a.Signature = new(external.Signature)
	}
	if err = a.Signature.UnmarshalSSZ(buf[132:228]); err != nil {
		return err
	}

	// Field (0) 'AggregationBits'
	{
		buf = tail[o0:]
		if err = ssz.ValidateBitlist(buf, 2048); err != nil {
			return err
		}
		if cap(a.AggregationBits) == 0 {
			a.AggregationBits = make([]byte, 0, len(buf))
		}
		a.AggregationBits = append(a.AggregationBits, buf...)
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Attestation object
func (a *Attestation) SizeSSZ() (size int) {
	size = 228

	// Field (0) 'AggregationBits'
	size += len(a.AggregationBits)

	return
}

// HashTreeRoot ssz hashes the Attestation object
func (a *Attestation) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(a)
}

// HashTreeRootWith ssz hashes the Attestation object with a hasher
func (a *Attestation) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'AggregationBits'
	if len(a.AggregationBits) == 0 {
		err = ssz.ErrEmptyBitlist
		return
	}
	hh.PutBitlist(a.AggregationBits, 2048)

	// Field (1) 'Data'
	if err = a.Data.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'Signature'
	if err = a.Signature.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the DepositData object
func (d *DepositData) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(d)
}

// MarshalSSZTo ssz marshals the DepositData object to a target array
func (d *DepositData) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Pubkey'
	dst = append(dst, d.Pubkey[:]...)

	// Field (1) 'WithdrawalCredentials'
	dst = append(dst, d.WithdrawalCredentials[:]...)

	// Field (2) 'Amount'
	dst = ssz.MarshalUint64(dst, d.Amount)

	// Field (3) 'Signature'
	if len(d.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, d.Signature...)

	return
}

// UnmarshalSSZ ssz unmarshals the DepositData object
func (d *DepositData) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 184 {
		return ssz.ErrSize
	}

	// Field (0) 'Pubkey'
	copy(d.Pubkey[:], buf[0:48])

	// Field (1) 'WithdrawalCredentials'
	copy(d.WithdrawalCredentials[:], buf[48:80])

	// Field (2) 'Amount'
	d.Amount = ssz.UnmarshallUint64(buf[80:88])

	// Field (3) 'Signature'
	if cap(d.Signature) == 0 {
		d.Signature = make([]byte, 0, len(buf[88:184]))
	}
	d.Signature = append(d.Signature, buf[88:184]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the DepositData object
func (d *DepositData) SizeSSZ() (size int) {
	size = 184
	return
}

// HashTreeRoot ssz hashes the DepositData object
func (d *DepositData) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(d)
}

// HashTreeRootWith ssz hashes the DepositData object with a hasher
func (d *DepositData) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Pubkey'
	hh.PutBytes(d.Pubkey[:])

	// Field (1) 'WithdrawalCredentials'
	hh.PutBytes(d.WithdrawalCredentials[:])

	// Field (2) 'Amount'
	hh.PutUint64(d.Amount)

	// Field (3) 'Signature'
	if len(d.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(d.Signature)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Deposit object
func (d *Deposit) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(d)
}

// MarshalSSZTo ssz marshals the Deposit object to a target array
func (d *Deposit) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Proof'
	if len(d.Proof) != 33 {
		err = ssz.ErrVectorLength
		return
	}
	for ii := 0; ii < 33; ii++ {
		if len(d.Proof[ii]) != 32 {
			err = ssz.ErrBytesLength
			return
		}
		dst = append(dst, d.Proof[ii]...)
	}

	// Field (1) 'Data'
	if d.Data == nil {
		d.Data = new(DepositData)
	}
	if dst, err = d.Data.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the Deposit object
func (d *Deposit) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 1240 {
		return ssz.ErrSize
	}

	// Field (0) 'Proof'
	d.Proof = make([][]byte, 33)
	for ii := 0; ii < 33; ii++ {
		if cap(d.Proof[ii]) == 0 {
			d.Proof[ii] = make([]byte, 0, len(buf[0:1056][ii*32:(ii+1)*32]))
		}
		d.Proof[ii] = append(d.Proof[ii], buf[0:1056][ii*32:(ii+1)*32]...)
	}

	// Field (1) 'Data'
	if d.Data == nil {
		d.Data = new(DepositData)
	}
	if err = d.Data.UnmarshalSSZ(buf[1056:1240]); err != nil {
		return err
	}

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Deposit object
func (d *Deposit) SizeSSZ() (size int) {
	size = 1240
	return
}

// HashTreeRoot ssz hashes the Deposit object
func (d *Deposit) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(d)
}

// HashTreeRootWith ssz hashes the Deposit object with a hasher
func (d *Deposit) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Proof'
	{
		if len(d.Proof) != 33 {
			err = ssz.ErrVectorLength
			return
		}
		subIndx := hh.Index()
		for _, i := range d.Proof {
			if len(i) != 32 {
				err = ssz.ErrBytesLength
				return
			}
			hh.Append(i)
		}
		hh.Merkleize(subIndx)
	}

	// Field (1) 'Data'
	if err = d.Data.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the DepositMessage object
func (d *DepositMessage) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(d)
}

// MarshalSSZTo ssz marshals the DepositMessage object to a target array
func (d *DepositMessage) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Pubkey'
	if len(d.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, d.Pubkey...)

	// Field (1) 'WithdrawalCredentials'
	if len(d.WithdrawalCredentials) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, d.WithdrawalCredentials...)

	// Field (2) 'Amount'
	dst = ssz.MarshalUint64(dst, d.Amount)

	return
}

// UnmarshalSSZ ssz unmarshals the DepositMessage object
func (d *DepositMessage) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 88 {
		return ssz.ErrSize
	}

	// Field (0) 'Pubkey'
	if cap(d.Pubkey) == 0 {
		d.Pubkey = make([]byte, 0, len(buf[0:48]))
	}
	d.Pubkey = append(d.Pubkey, buf[0:48]...)

	// Field (1) 'WithdrawalCredentials'
	if cap(d.WithdrawalCredentials) == 0 {
		d.WithdrawalCredentials = make([]byte, 0, len(buf[48:80]))
	}
	d.WithdrawalCredentials = append(d.WithdrawalCredentials, buf[48:80]...)

	// Field (2) 'Amount'
	d.Amount = ssz.UnmarshallUint64(buf[80:88])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the DepositMessage object
func (d *DepositMessage) SizeSSZ() (size int) {
	size = 88
	return
}

// HashTreeRoot ssz hashes the DepositMessage object
func (d *DepositMessage) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(d)
}

// HashTreeRootWith ssz hashes the DepositMessage object with a hasher
func (d *DepositMessage) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Pubkey'
	if len(d.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(d.Pubkey)

	// Field (1) 'WithdrawalCredentials'
	if len(d.WithdrawalCredentials) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(d.WithdrawalCredentials)

	// Field (2) 'Amount'
	hh.PutUint64(d.Amount)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the IndexedAttestation object
func (i *IndexedAttestation) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(i)
}

// MarshalSSZTo ssz marshals the IndexedAttestation object to a target array
func (i *IndexedAttestation) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(228)

	// Offset (0) 'AttestationIndices'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(i.AttestationIndices) * 8

	// Field (1) 'Data'
	if i.Data == nil {
		i.Data = new(AttestationData)
	}
	if dst, err = i.Data.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (2) 'Signature'
	if len(i.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, i.Signature...)

	// Field (0) 'AttestationIndices'
	if len(i.AttestationIndices) > 2048 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(i.AttestationIndices); ii++ {
		dst = ssz.MarshalUint64(dst, i.AttestationIndices[ii])
	}

	return
}

// UnmarshalSSZ ssz unmarshals the IndexedAttestation object
func (i *IndexedAttestation) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 228 {
		return ssz.ErrSize
	}

	tail := buf
	var o0 uint64

	// Offset (0) 'AttestationIndices'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Field (1) 'Data'
	if i.Data == nil {
		i.Data = new(AttestationData)
	}
	if err = i.Data.UnmarshalSSZ(buf[4:132]); err != nil {
		return err
	}

	// Field (2) 'Signature'
	if cap(i.Signature) == 0 {
		i.Signature = make([]byte, 0, len(buf[132:228]))
	}
	i.Signature = append(i.Signature, buf[132:228]...)

	// Field (0) 'AttestationIndices'
	{
		buf = tail[o0:]
		num, err := ssz.DivideInt2(len(buf), 8, 2048)
		if err != nil {
			return err
		}
		i.AttestationIndices = ssz.ExtendUint64(i.AttestationIndices, num)
		for ii := 0; ii < num; ii++ {
			i.AttestationIndices[ii] = ssz.UnmarshallUint64(buf[ii*8 : (ii+1)*8])
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the IndexedAttestation object
func (i *IndexedAttestation) SizeSSZ() (size int) {
	size = 228

	// Field (0) 'AttestationIndices'
	size += len(i.AttestationIndices) * 8

	return
}

// HashTreeRoot ssz hashes the IndexedAttestation object
func (i *IndexedAttestation) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(i)
}

// HashTreeRootWith ssz hashes the IndexedAttestation object with a hasher
func (i *IndexedAttestation) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'AttestationIndices'
	{
		if len(i.AttestationIndices) > 2048 {
			err = ssz.ErrListTooBig
			return
		}
		subIndx := hh.Index()
		for _, i := range i.AttestationIndices {
			hh.AppendUint64(i)
		}
		hh.FillUpTo32()
		numItems := uint64(len(i.AttestationIndices))
		hh.MerkleizeWithMixin(subIndx, numItems, ssz.CalculateLimit(2048, numItems, 8))
	}

	// Field (1) 'Data'
	if err = i.Data.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'Signature'
	if len(i.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(i.Signature)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the PendingAttestation object
func (p *PendingAttestation) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(p)
}

// MarshalSSZTo ssz marshals the PendingAttestation object to a target array
func (p *PendingAttestation) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(148)

	// Offset (0) 'AggregationBits'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(p.AggregationBits)

	// Field (1) 'Data'
	if p.Data == nil {
		p.Data = new(AttestationData)
	}
	if dst, err = p.Data.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (2) 'InclusionDelay'
	dst = ssz.MarshalUint64(dst, p.InclusionDelay)

	// Field (3) 'ProposerIndex'
	dst = ssz.MarshalUint64(dst, p.ProposerIndex)

	// Field (0) 'AggregationBits'
	if len(p.AggregationBits) > 2048 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, p.AggregationBits...)

	return
}

// UnmarshalSSZ ssz unmarshals the PendingAttestation object
func (p *PendingAttestation) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 148 {
		return ssz.ErrSize
	}

	tail := buf
	var o0 uint64

	// Offset (0) 'AggregationBits'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Field (1) 'Data'
	if p.Data == nil {
		p.Data = new(AttestationData)
	}
	if err = p.Data.UnmarshalSSZ(buf[4:132]); err != nil {
		return err
	}

	// Field (2) 'InclusionDelay'
	p.InclusionDelay = ssz.UnmarshallUint64(buf[132:140])

	// Field (3) 'ProposerIndex'
	p.ProposerIndex = ssz.UnmarshallUint64(buf[140:148])

	// Field (0) 'AggregationBits'
	{
		buf = tail[o0:]
		if err = ssz.ValidateBitlist(buf, 2048); err != nil {
			return err
		}
		if cap(p.AggregationBits) == 0 {
			p.AggregationBits = make([]byte, 0, len(buf))
		}
		p.AggregationBits = append(p.AggregationBits, buf...)
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the PendingAttestation object
func (p *PendingAttestation) SizeSSZ() (size int) {
	size = 148

	// Field (0) 'AggregationBits'
	size += len(p.AggregationBits)

	return
}

// HashTreeRoot ssz hashes the PendingAttestation object
func (p *PendingAttestation) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(p)
}

// HashTreeRootWith ssz hashes the PendingAttestation object with a hasher
func (p *PendingAttestation) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'AggregationBits'
	if len(p.AggregationBits) == 0 {
		err = ssz.ErrEmptyBitlist
		return
	}
	hh.PutBitlist(p.AggregationBits, 2048)

	// Field (1) 'Data'
	if err = p.Data.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'InclusionDelay'
	hh.PutUint64(p.InclusionDelay)

	// Field (3) 'ProposerIndex'
	hh.PutUint64(p.ProposerIndex)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Fork object
func (f *Fork) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(f)
}

// MarshalSSZTo ssz marshals the Fork object to a target array
func (f *Fork) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'PreviousVersion'
	if len(f.PreviousVersion) != 4 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, f.PreviousVersion...)

	// Field (1) 'CurrentVersion'
	if len(f.CurrentVersion) != 4 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, f.CurrentVersion...)

	// Field (2) 'Epoch'
	dst = ssz.MarshalUint64(dst, f.Epoch)

	return
}

// UnmarshalSSZ ssz unmarshals the Fork object
func (f *Fork) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 16 {
		return ssz.ErrSize
	}

	// Field (0) 'PreviousVersion'
	if cap(f.PreviousVersion) == 0 {
		f.PreviousVersion = make([]byte, 0, len(buf[0:4]))
	}
	f.PreviousVersion = append(f.PreviousVersion, buf[0:4]...)

	// Field (1) 'CurrentVersion'
	if cap(f.CurrentVersion) == 0 {
		f.CurrentVersion = make([]byte, 0, len(buf[4:8]))
	}
	f.CurrentVersion = append(f.CurrentVersion, buf[4:8]...)

	// Field (2) 'Epoch'
	f.Epoch = ssz.UnmarshallUint64(buf[8:16])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Fork object
func (f *Fork) SizeSSZ() (size int) {
	size = 16
	return
}

// HashTreeRoot ssz hashes the Fork object
func (f *Fork) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(f)
}

// HashTreeRootWith ssz hashes the Fork object with a hasher
func (f *Fork) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'PreviousVersion'
	if len(f.PreviousVersion) != 4 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(f.PreviousVersion)

	// Field (1) 'CurrentVersion'
	if len(f.CurrentVersion) != 4 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(f.CurrentVersion)

	// Field (2) 'Epoch'
	hh.PutUint64(f.Epoch)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Validator object
func (v *Validator) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(v)
}

// MarshalSSZTo ssz marshals the Validator object to a target array
func (v *Validator) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Pubkey'
	if len(v.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, v.Pubkey...)

	// Field (1) 'WithdrawalCredentials'
	if len(v.WithdrawalCredentials) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, v.WithdrawalCredentials...)

	// Field (2) 'EffectiveBalance'
	dst = ssz.MarshalUint64(dst, v.EffectiveBalance)

	// Field (3) 'Slashed'
	dst = ssz.MarshalBool(dst, v.Slashed)

	// Field (4) 'ActivationEligibilityEpoch'
	dst = ssz.MarshalUint64(dst, v.ActivationEligibilityEpoch)

	// Field (5) 'ActivationEpoch'
	dst = ssz.MarshalUint64(dst, v.ActivationEpoch)

	// Field (6) 'ExitEpoch'
	dst = ssz.MarshalUint64(dst, v.ExitEpoch)

	// Field (7) 'WithdrawableEpoch'
	dst = ssz.MarshalUint64(dst, v.WithdrawableEpoch)

	return
}

// UnmarshalSSZ ssz unmarshals the Validator object
func (v *Validator) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 121 {
		return ssz.ErrSize
	}

	// Field (0) 'Pubkey'
	if cap(v.Pubkey) == 0 {
		v.Pubkey = make([]byte, 0, len(buf[0:48]))
	}
	v.Pubkey = append(v.Pubkey, buf[0:48]...)

	// Field (1) 'WithdrawalCredentials'
	if cap(v.WithdrawalCredentials) == 0 {
		v.WithdrawalCredentials = make([]byte, 0, len(buf[48:80]))
	}
	v.WithdrawalCredentials = append(v.WithdrawalCredentials, buf[48:80]...)

	// Field (2) 'EffectiveBalance'
	v.EffectiveBalance = ssz.UnmarshallUint64(buf[80:88])

	// Field (3) 'Slashed'
	v.Slashed = ssz.UnmarshalBool(buf[88:89])

	// Field (4) 'ActivationEligibilityEpoch'
	v.ActivationEligibilityEpoch = ssz.UnmarshallUint64(buf[89:97])

	// Field (5) 'ActivationEpoch'
	v.ActivationEpoch = ssz.UnmarshallUint64(buf[97:105])

	// Field (6) 'ExitEpoch'
	v.ExitEpoch = ssz.UnmarshallUint64(buf[105:113])

	// Field (7) 'WithdrawableEpoch'
	v.WithdrawableEpoch = ssz.UnmarshallUint64(buf[113:121])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Validator object
func (v *Validator) SizeSSZ() (size int) {
	size = 121
	return
}

// HashTreeRoot ssz hashes the Validator object
func (v *Validator) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(v)
}

// HashTreeRootWith ssz hashes the Validator object with a hasher
func (v *Validator) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Pubkey'
	if len(v.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(v.Pubkey)

	// Field (1) 'WithdrawalCredentials'
	if len(v.WithdrawalCredentials) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(v.WithdrawalCredentials)

	// Field (2) 'EffectiveBalance'
	hh.PutUint64(v.EffectiveBalance)

	// Field (3) 'Slashed'
	hh.PutBool(v.Slashed)

	// Field (4) 'ActivationEligibilityEpoch'
	hh.PutUint64(v.ActivationEligibilityEpoch)

	// Field (5) 'ActivationEpoch'
	hh.PutUint64(v.ActivationEpoch)

	// Field (6) 'ExitEpoch'
	hh.PutUint64(v.ExitEpoch)

	// Field (7) 'WithdrawableEpoch'
	hh.PutUint64(v.WithdrawableEpoch)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the VoluntaryExit object
func (v *VoluntaryExit) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(v)
}

// MarshalSSZTo ssz marshals the VoluntaryExit object to a target array
func (v *VoluntaryExit) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Epoch'
	dst = ssz.MarshalUint64(dst, v.Epoch)

	// Field (1) 'ValidatorIndex'
	dst = ssz.MarshalUint64(dst, v.ValidatorIndex)

	return
}

// UnmarshalSSZ ssz unmarshals the VoluntaryExit object
func (v *VoluntaryExit) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 16 {
		return ssz.ErrSize
	}

	// Field (0) 'Epoch'
	v.Epoch = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'ValidatorIndex'
	v.ValidatorIndex = ssz.UnmarshallUint64(buf[8:16])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the VoluntaryExit object
func (v *VoluntaryExit) SizeSSZ() (size int) {
	size = 16
	return
}

// HashTreeRoot ssz hashes the VoluntaryExit object
func (v *VoluntaryExit) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(v)
}

// HashTreeRootWith ssz hashes the VoluntaryExit object with a hasher
func (v *VoluntaryExit) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Epoch'
	hh.PutUint64(v.Epoch)

	// Field (1) 'ValidatorIndex'
	hh.PutUint64(v.ValidatorIndex)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the SignedVoluntaryExit object
func (s *SignedVoluntaryExit) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(s)
}

// MarshalSSZTo ssz marshals the SignedVoluntaryExit object to a target array
func (s *SignedVoluntaryExit) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Exit'
	if s.Exit == nil {
		s.Exit = new(VoluntaryExit)
	}
	if dst, err = s.Exit.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (1) 'Signature'
	dst = append(dst, s.Signature[:]...)

	return
}

// UnmarshalSSZ ssz unmarshals the SignedVoluntaryExit object
func (s *SignedVoluntaryExit) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 112 {
		return ssz.ErrSize
	}

	// Field (0) 'Exit'
	if s.Exit == nil {
		s.Exit = new(VoluntaryExit)
	}
	if err = s.Exit.UnmarshalSSZ(buf[0:16]); err != nil {
		return err
	}

	// Field (1) 'Signature'
	copy(s.Signature[:], buf[16:112])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the SignedVoluntaryExit object
func (s *SignedVoluntaryExit) SizeSSZ() (size int) {
	size = 112
	return
}

// HashTreeRoot ssz hashes the SignedVoluntaryExit object
func (s *SignedVoluntaryExit) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(s)
}

// HashTreeRootWith ssz hashes the SignedVoluntaryExit object with a hasher
func (s *SignedVoluntaryExit) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Exit'
	if err = s.Exit.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (1) 'Signature'
	hh.PutBytes(s.Signature[:])

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Eth1Block object
func (e *Eth1Block) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(e)
}

// MarshalSSZTo ssz marshals the Eth1Block object to a target array
func (e *Eth1Block) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Timestamp'
	dst = ssz.MarshalUint64(dst, e.Timestamp)

	return
}

// UnmarshalSSZ ssz unmarshals the Eth1Block object
func (e *Eth1Block) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 8 {
		return ssz.ErrSize
	}

	// Field (0) 'Timestamp'
	e.Timestamp = ssz.UnmarshallUint64(buf[0:8])

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Eth1Block object
func (e *Eth1Block) SizeSSZ() (size int) {
	size = 8
	return
}

// HashTreeRoot ssz hashes the Eth1Block object
func (e *Eth1Block) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(e)
}

// HashTreeRootWith ssz hashes the Eth1Block object with a hasher
func (e *Eth1Block) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Timestamp'
	hh.PutUint64(e.Timestamp)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Eth1Data object
func (e *Eth1Data) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(e)
}

// MarshalSSZTo ssz marshals the Eth1Data object to a target array
func (e *Eth1Data) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'DepositRoot'
	if len(e.DepositRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, e.DepositRoot...)

	// Field (1) 'DepositCount'
	dst = ssz.MarshalUint64(dst, e.DepositCount)

	// Field (2) 'BlockHash'
	if len(e.BlockHash) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, e.BlockHash...)

	return
}

// UnmarshalSSZ ssz unmarshals the Eth1Data object
func (e *Eth1Data) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 72 {
		return ssz.ErrSize
	}

	// Field (0) 'DepositRoot'
	if cap(e.DepositRoot) == 0 {
		e.DepositRoot = make([]byte, 0, len(buf[0:32]))
	}
	e.DepositRoot = append(e.DepositRoot, buf[0:32]...)

	// Field (1) 'DepositCount'
	e.DepositCount = ssz.UnmarshallUint64(buf[32:40])

	// Field (2) 'BlockHash'
	if cap(e.BlockHash) == 0 {
		e.BlockHash = make([]byte, 0, len(buf[40:72]))
	}
	e.BlockHash = append(e.BlockHash, buf[40:72]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Eth1Data object
func (e *Eth1Data) SizeSSZ() (size int) {
	size = 72
	return
}

// HashTreeRoot ssz hashes the Eth1Data object
func (e *Eth1Data) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(e)
}

// HashTreeRootWith ssz hashes the Eth1Data object with a hasher
func (e *Eth1Data) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'DepositRoot'
	if len(e.DepositRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(e.DepositRoot)

	// Field (1) 'DepositCount'
	hh.PutUint64(e.DepositCount)

	// Field (2) 'BlockHash'
	if len(e.BlockHash) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(e.BlockHash)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the SigningRoot object
func (s *SigningRoot) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(s)
}

// MarshalSSZTo ssz marshals the SigningRoot object to a target array
func (s *SigningRoot) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'ObjectRoot'
	if len(s.ObjectRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, s.ObjectRoot...)

	// Field (1) 'Domain'
	if len(s.Domain) != 8 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, s.Domain...)

	return
}

// UnmarshalSSZ ssz unmarshals the SigningRoot object
func (s *SigningRoot) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 40 {
		return ssz.ErrSize
	}

	// Field (0) 'ObjectRoot'
	if cap(s.ObjectRoot) == 0 {
		s.ObjectRoot = make([]byte, 0, len(buf[0:32]))
	}
	s.ObjectRoot = append(s.ObjectRoot, buf[0:32]...)

	// Field (1) 'Domain'
	if cap(s.Domain) == 0 {
		s.Domain = make([]byte, 0, len(buf[32:40]))
	}
	s.Domain = append(s.Domain, buf[32:40]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the SigningRoot object
func (s *SigningRoot) SizeSSZ() (size int) {
	size = 40
	return
}

// HashTreeRoot ssz hashes the SigningRoot object
func (s *SigningRoot) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(s)
}

// HashTreeRootWith ssz hashes the SigningRoot object with a hasher
func (s *SigningRoot) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'ObjectRoot'
	if len(s.ObjectRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(s.ObjectRoot)

	// Field (1) 'Domain'
	if len(s.Domain) != 8 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(s.Domain)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the HistoricalBatch object
func (h *HistoricalBatch) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(h)
}

// MarshalSSZTo ssz marshals the HistoricalBatch object to a target array
func (h *HistoricalBatch) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'BlockRoots'
	for ii := 0; ii < 64; ii++ {
		dst = append(dst, h.BlockRoots[ii][:]...)
	}

	// Field (1) 'StateRoots'
	if len(h.StateRoots) != 64 {
		err = ssz.ErrVectorLength
		return
	}
	for ii := 0; ii < 64; ii++ {
		if len(h.StateRoots[ii]) != 32 {
			err = ssz.ErrBytesLength
			return
		}
		dst = append(dst, h.StateRoots[ii]...)
	}

	return
}

// UnmarshalSSZ ssz unmarshals the HistoricalBatch object
func (h *HistoricalBatch) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 4096 {
		return ssz.ErrSize
	}

	// Field (0) 'BlockRoots'

	for ii := 0; ii < 64; ii++ {
		copy(h.BlockRoots[ii][:], buf[0:2048][ii*32:(ii+1)*32])
	}

	// Field (1) 'StateRoots'
	h.StateRoots = make([][]byte, 64)
	for ii := 0; ii < 64; ii++ {
		if cap(h.StateRoots[ii]) == 0 {
			h.StateRoots[ii] = make([]byte, 0, len(buf[2048:4096][ii*32:(ii+1)*32]))
		}
		h.StateRoots[ii] = append(h.StateRoots[ii], buf[2048:4096][ii*32:(ii+1)*32]...)
	}

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the HistoricalBatch object
func (h *HistoricalBatch) SizeSSZ() (size int) {
	size = 4096
	return
}

// HashTreeRoot ssz hashes the HistoricalBatch object
func (h *HistoricalBatch) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(h)
}

// HashTreeRootWith ssz hashes the HistoricalBatch object with a hasher
func (h *HistoricalBatch) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'BlockRoots'
	{
		subIndx := hh.Index()
		for _, i := range h.BlockRoots {
			hh.Append(i[:])
		}
		hh.Merkleize(subIndx)
	}

	// Field (1) 'StateRoots'
	{
		if len(h.StateRoots) != 64 {
			err = ssz.ErrVectorLength
			return
		}
		subIndx := hh.Index()
		for _, i := range h.StateRoots {
			if len(i) != 32 {
				err = ssz.ErrBytesLength
				return
			}
			hh.Append(i)
		}
		hh.Merkleize(subIndx)
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the ProposerSlashing object
func (p *ProposerSlashing) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(p)
}

// MarshalSSZTo ssz marshals the ProposerSlashing object to a target array
func (p *ProposerSlashing) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'ProposerIndex'
	dst = ssz.MarshalUint64(dst, p.ProposerIndex)

	// Field (1) 'Header1'
	if p.Header1 == nil {
		p.Header1 = new(SignedBeaconBlockHeader)
	}
	if dst, err = p.Header1.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (2) 'Header2'
	if p.Header2 == nil {
		p.Header2 = new(SignedBeaconBlockHeader)
	}
	if dst, err = p.Header2.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the ProposerSlashing object
func (p *ProposerSlashing) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 408 {
		return ssz.ErrSize
	}

	// Field (0) 'ProposerIndex'
	p.ProposerIndex = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'Header1'
	if p.Header1 == nil {
		p.Header1 = new(SignedBeaconBlockHeader)
	}
	if err = p.Header1.UnmarshalSSZ(buf[8:208]); err != nil {
		return err
	}

	// Field (2) 'Header2'
	if p.Header2 == nil {
		p.Header2 = new(SignedBeaconBlockHeader)
	}
	if err = p.Header2.UnmarshalSSZ(buf[208:408]); err != nil {
		return err
	}

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the ProposerSlashing object
func (p *ProposerSlashing) SizeSSZ() (size int) {
	size = 408
	return
}

// HashTreeRoot ssz hashes the ProposerSlashing object
func (p *ProposerSlashing) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(p)
}

// HashTreeRootWith ssz hashes the ProposerSlashing object with a hasher
func (p *ProposerSlashing) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'ProposerIndex'
	hh.PutUint64(p.ProposerIndex)

	// Field (1) 'Header1'
	if err = p.Header1.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'Header2'
	if err = p.Header2.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the AttesterSlashing object
func (a *AttesterSlashing) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(a)
}

// MarshalSSZTo ssz marshals the AttesterSlashing object to a target array
func (a *AttesterSlashing) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(8)

	// Offset (0) 'Attestation1'
	dst = ssz.WriteOffset(dst, offset)
	if a.Attestation1 == nil {
		a.Attestation1 = new(IndexedAttestation)
	}
	offset += a.Attestation1.SizeSSZ()

	// Offset (1) 'Attestation2'
	dst = ssz.WriteOffset(dst, offset)
	if a.Attestation2 == nil {
		a.Attestation2 = new(IndexedAttestation)
	}
	offset += a.Attestation2.SizeSSZ()

	// Field (0) 'Attestation1'
	if dst, err = a.Attestation1.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (1) 'Attestation2'
	if dst, err = a.Attestation2.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the AttesterSlashing object
func (a *AttesterSlashing) 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) 'Attestation1'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Offset (1) 'Attestation2'
	if o1 = ssz.ReadOffset(buf[4:8]); o1 > size || o0 > o1 {
		return ssz.ErrOffset
	}

	// Field (0) 'Attestation1'
	{
		buf = tail[o0:o1]
		if a.Attestation1 == nil {
			a.Attestation1 = new(IndexedAttestation)
		}
		if err = a.Attestation1.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}

	// Field (1) 'Attestation2'
	{
		buf = tail[o1:]
		if a.Attestation2 == nil {
			a.Attestation2 = new(IndexedAttestation)
		}
		if err = a.Attestation2.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the AttesterSlashing object
func (a *AttesterSlashing) SizeSSZ() (size int) {
	size = 8

	// Field (0) 'Attestation1'
	if a.Attestation1 == nil {
		a.Attestation1 = new(IndexedAttestation)
	}
	size += a.Attestation1.SizeSSZ()

	// Field (1) 'Attestation2'
	if a.Attestation2 == nil {
		a.Attestation2 = new(IndexedAttestation)
	}
	size += a.Attestation2.SizeSSZ()

	return
}

// HashTreeRoot ssz hashes the AttesterSlashing object
func (a *AttesterSlashing) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(a)
}

// HashTreeRootWith ssz hashes the AttesterSlashing object with a hasher
func (a *AttesterSlashing) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Attestation1'
	if err = a.Attestation1.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (1) 'Attestation2'
	if err = a.Attestation2.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the BeaconState object
func (b *BeaconState) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(b)
}

// MarshalSSZTo ssz marshals the BeaconState object to a target array
func (b *BeaconState) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(7017)

	// Field (0) 'GenesisTime'
	dst = ssz.MarshalUint64(dst, b.GenesisTime)

	// Field (1) 'Slot'
	dst = ssz.MarshalUint64(dst, b.Slot)

	// Field (2) 'Fork'
	if b.Fork == nil {
		b.Fork = new(Fork)
	}
	if dst, err = b.Fork.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (3) 'LatestBlockHeader'
	if b.LatestBlockHeader == nil {
		b.LatestBlockHeader = new(BeaconBlockHeader)
	}
	if dst, err = b.LatestBlockHeader.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (4) 'BlockRoots'
	for ii := 0; ii < 64; ii++ {
		dst = append(dst, b.BlockRoots[ii][:]...)
	}

	// Field (5) 'StateRoots'
	if len(b.StateRoots) != 64 {
		err = ssz.ErrVectorLength
		return
	}
	for ii := 0; ii < 64; ii++ {
		dst = append(dst, b.StateRoots[ii][:]...)
	}

	// Offset (6) 'HistoricalRoots'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.HistoricalRoots) * 32

	// Field (7) 'Eth1Data'
	if b.Eth1Data == nil {
		b.Eth1Data = new(Eth1Data)
	}
	if dst, err = b.Eth1Data.MarshalSSZTo(dst); err != nil {
		return
	}

	// Offset (8) 'Eth1DataVotes'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.Eth1DataVotes) * 72

	// Field (9) 'Eth1DepositIndex'
	dst = ssz.MarshalUint64(dst, b.Eth1DepositIndex)

	// Offset (10) 'Validators'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.Validators) * 121

	// Offset (11) 'Balances'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.Balances) * 8

	// Field (12) 'RandaoMixes'
	if len(b.RandaoMixes) != 64 {
		err = ssz.ErrVectorLength
		return
	}
	for ii := 0; ii < 64; ii++ {
		if len(b.RandaoMixes[ii]) != 32 {
			err = ssz.ErrBytesLength
			return
		}
		dst = append(dst, b.RandaoMixes[ii]...)
	}

	// Field (13) 'Slashings'
	if len(b.Slashings) != 64 {
		err = ssz.ErrVectorLength
		return
	}
	for ii := 0; ii < 64; ii++ {
		dst = ssz.MarshalUint64(dst, b.Slashings[ii])
	}

	// Offset (14) 'PreviousEpochAttestations'
	dst = ssz.WriteOffset(dst, offset)
	for ii := 0; ii < len(b.PreviousEpochAttestations); ii++ {
		offset += 4
		offset += b.PreviousEpochAttestations[ii].SizeSSZ()
	}

	// Offset (15) 'CurrentEpochAttestations'
	dst = ssz.WriteOffset(dst, offset)
	for ii := 0; ii < len(b.CurrentEpochAttestations); ii++ {
		offset += 4
		offset += b.CurrentEpochAttestations[ii].SizeSSZ()
	}

	// Field (16) 'JustificationBits'
	if len(b.JustificationBits) != 1 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.JustificationBits...)

	// Field (17) 'PreviousJustifiedCheckpoint'
	if b.PreviousJustifiedCheckpoint == nil {
		b.PreviousJustifiedCheckpoint = new(Checkpoint)
	}
	if dst, err = b.PreviousJustifiedCheckpoint.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (18) 'CurrentJustifiedCheckpoint'
	if b.CurrentJustifiedCheckpoint == nil {
		b.CurrentJustifiedCheckpoint = new(Checkpoint)
	}
	if dst, err = b.CurrentJustifiedCheckpoint.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (19) 'FinalizedCheckpoint'
	if b.FinalizedCheckpoint == nil {
		b.FinalizedCheckpoint = new(Checkpoint)
	}
	if dst, err = b.FinalizedCheckpoint.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (6) 'HistoricalRoots'
	if len(b.HistoricalRoots) > 16777216 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.HistoricalRoots); ii++ {
		dst = append(dst, b.HistoricalRoots[ii][:]...)
	}

	// Field (8) 'Eth1DataVotes'
	if len(b.Eth1DataVotes) > 16 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.Eth1DataVotes); ii++ {
		if dst, err = b.Eth1DataVotes[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (10) 'Validators'
	if len(b.Validators) > 1099511627776 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.Validators); ii++ {
		if dst, err = b.Validators[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (11) 'Balances'
	if len(b.Balances) > 1099511627776 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.Balances); ii++ {
		dst = ssz.MarshalUint64(dst, b.Balances[ii])
	}

	// Field (14) 'PreviousEpochAttestations'
	if len(b.PreviousEpochAttestations) > 1024 {
		err = ssz.ErrListTooBig
		return
	}
	{
		offset = 4 * len(b.PreviousEpochAttestations)
		for ii := 0; ii < len(b.PreviousEpochAttestations); ii++ {
			dst = ssz.WriteOffset(dst, offset)
			offset += b.PreviousEpochAttestations[ii].SizeSSZ()
		}
	}
	for ii := 0; ii < len(b.PreviousEpochAttestations); ii++ {
		if dst, err = b.PreviousEpochAttestations[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (15) 'CurrentEpochAttestations'
	if len(b.CurrentEpochAttestations) > 1024 {
		err = ssz.ErrListTooBig
		return
	}
	{
		offset = 4 * len(b.CurrentEpochAttestations)
		for ii := 0; ii < len(b.CurrentEpochAttestations); ii++ {
			dst = ssz.WriteOffset(dst, offset)
			offset += b.CurrentEpochAttestations[ii].SizeSSZ()
		}
	}
	for ii := 0; ii < len(b.CurrentEpochAttestations); ii++ {
		if dst, err = b.CurrentEpochAttestations[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	return
}

// UnmarshalSSZ ssz unmarshals the BeaconState object
func (b *BeaconState) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 7017 {
		return ssz.ErrSize
	}

	tail := buf
	var o6, o8, o10, o11, o14, o15 uint64

	// Field (0) 'GenesisTime'
	b.GenesisTime = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'Slot'
	b.Slot = ssz.UnmarshallUint64(buf[8:16])

	// Field (2) 'Fork'
	if b.Fork == nil {
		b.Fork = new(Fork)
	}
	if err = b.Fork.UnmarshalSSZ(buf[16:32]); err != nil {
		return err
	}

	// Field (3) 'LatestBlockHeader'
	if b.LatestBlockHeader == nil {
		b.LatestBlockHeader = new(BeaconBlockHeader)
	}
	if err = b.LatestBlockHeader.UnmarshalSSZ(buf[32:136]); err != nil {
		return err
	}

	// Field (4) 'BlockRoots'

	for ii := 0; ii < 64; ii++ {
		copy(b.BlockRoots[ii][:], buf[136:2184][ii*32:(ii+1)*32])
	}

	// Field (5) 'StateRoots'
	b.StateRoots = make([][32]byte, 64)
	for ii := 0; ii < 64; ii++ {
		copy(b.StateRoots[ii][:], buf[2184:4232][ii*32:(ii+1)*32])
	}

	// Offset (6) 'HistoricalRoots'
	if o6 = ssz.ReadOffset(buf[4232:4236]); o6 > size {
		return ssz.ErrOffset
	}

	// Field (7) 'Eth1Data'
	if b.Eth1Data == nil {
		b.Eth1Data = new(Eth1Data)
	}
	if err = b.Eth1Data.UnmarshalSSZ(buf[4236:4308]); err != nil {
		return err
	}

	// Offset (8) 'Eth1DataVotes'
	if o8 = ssz.ReadOffset(buf[4308:4312]); o8 > size || o6 > o8 {
		return ssz.ErrOffset
	}

	// Field (9) 'Eth1DepositIndex'
	b.Eth1DepositIndex = ssz.UnmarshallUint64(buf[4312:4320])

	// Offset (10) 'Validators'
	if o10 = ssz.ReadOffset(buf[4320:4324]); o10 > size || o8 > o10 {
		return ssz.ErrOffset
	}

	// Offset (11) 'Balances'
	if o11 = ssz.ReadOffset(buf[4324:4328]); o11 > size || o10 > o11 {
		return ssz.ErrOffset
	}

	// Field (12) 'RandaoMixes'
	b.RandaoMixes = make([][]byte, 64)
	for ii := 0; ii < 64; ii++ {
		if cap(b.RandaoMixes[ii]) == 0 {
			b.RandaoMixes[ii] = make([]byte, 0, len(buf[4328:6376][ii*32:(ii+1)*32]))
		}
		b.RandaoMixes[ii] = append(b.RandaoMixes[ii], buf[4328:6376][ii*32:(ii+1)*32]...)
	}

	// Field (13) 'Slashings'
	b.Slashings = ssz.ExtendUint64(b.Slashings, 64)
	for ii := 0; ii < 64; ii++ {
		b.Slashings[ii] = ssz.UnmarshallUint64(buf[6376:6888][ii*8 : (ii+1)*8])
	}

	// Offset (14) 'PreviousEpochAttestations'
	if o14 = ssz.ReadOffset(buf[6888:6892]); o14 > size || o11 > o14 {
		return ssz.ErrOffset
	}

	// Offset (15) 'CurrentEpochAttestations'
	if o15 = ssz.ReadOffset(buf[6892:6896]); o15 > size || o14 > o15 {
		return ssz.ErrOffset
	}

	// Field (16) 'JustificationBits'
	if cap(b.JustificationBits) == 0 {
		b.JustificationBits = make([]byte, 0, len(buf[6896:6897]))
	}
	b.JustificationBits = append(b.JustificationBits, buf[6896:6897]...)

	// Field (17) 'PreviousJustifiedCheckpoint'
	if b.PreviousJustifiedCheckpoint == nil {
		b.PreviousJustifiedCheckpoint = new(Checkpoint)
	}
	if err = b.PreviousJustifiedCheckpoint.UnmarshalSSZ(buf[6897:6937]); err != nil {
		return err
	}

	// Field (18) 'CurrentJustifiedCheckpoint'
	if b.CurrentJustifiedCheckpoint == nil {
		b.CurrentJustifiedCheckpoint = new(Checkpoint)
	}
	if err = b.CurrentJustifiedCheckpoint.UnmarshalSSZ(buf[6937:6977]); err != nil {
		return err
	}

	// Field (19) 'FinalizedCheckpoint'
	if b.FinalizedCheckpoint == nil {
		b.FinalizedCheckpoint = new(Checkpoint)
	}
	if err = b.FinalizedCheckpoint.UnmarshalSSZ(buf[6977:7017]); err != nil {
		return err
	}

	// Field (6) 'HistoricalRoots'
	{
		buf = tail[o6:o8]
		num, err := ssz.DivideInt2(len(buf), 32, 16777216)
		if err != nil {
			return err
		}
		b.HistoricalRoots = make([][32]byte, num)
		for ii := 0; ii < num; ii++ {
			copy(b.HistoricalRoots[ii][:], buf[ii*32:(ii+1)*32])
		}
	}

	// Field (8) 'Eth1DataVotes'
	{
		buf = tail[o8:o10]
		num, err := ssz.DivideInt2(len(buf), 72, 16)
		if err != nil {
			return err
		}
		b.Eth1DataVotes = make([]*Eth1Data, num)
		for ii := 0; ii < num; ii++ {
			if b.Eth1DataVotes[ii] == nil {
				b.Eth1DataVotes[ii] = new(Eth1Data)
			}
			if err = b.Eth1DataVotes[ii].UnmarshalSSZ(buf[ii*72 : (ii+1)*72]); err != nil {
				return err
			}
		}
	}

	// Field (10) 'Validators'
	{
		buf = tail[o10:o11]
		num, err := ssz.DivideInt2(len(buf), 121, 1099511627776)
		if err != nil {
			return err
		}
		b.Validators = make([]*Validator, num)
		for ii := 0; ii < num; ii++ {
			if b.Validators[ii] == nil {
				b.Validators[ii] = new(Validator)
			}
			if err = b.Validators[ii].UnmarshalSSZ(buf[ii*121 : (ii+1)*121]); err != nil {
				return err
			}
		}
	}

	// Field (11) 'Balances'
	{
		buf = tail[o11:o14]
		num, err := ssz.DivideInt2(len(buf), 8, 1099511627776)
		if err != nil {
			return err
		}
		b.Balances = ssz.ExtendUint64(b.Balances, num)
		for ii := 0; ii < num; ii++ {
			b.Balances[ii] = ssz.UnmarshallUint64(buf[ii*8 : (ii+1)*8])
		}
	}

	// Field (14) 'PreviousEpochAttestations'
	{
		buf = tail[o14:o15]
		num, err := ssz.DecodeDynamicLength(buf, 1024)
		if err != nil {
			return err
		}
		b.PreviousEpochAttestations = make([]*PendingAttestation, num)
		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
			if b.PreviousEpochAttestations[indx] == nil {
				b.PreviousEpochAttestations[indx] = new(PendingAttestation)
			}
			if err = b.PreviousEpochAttestations[indx].UnmarshalSSZ(buf); err != nil {
				return err
			}
			return nil
		})
		if err != nil {
			return err
		}
	}

	// Field (15) 'CurrentEpochAttestations'
	{
		buf = tail[o15:]
		num, err := ssz.DecodeDynamicLength(buf, 1024)
		if err != nil {
			return err
		}
		b.CurrentEpochAttestations = make([]*PendingAttestation, num)
		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
			if b.CurrentEpochAttestations[indx] == nil {
				b.CurrentEpochAttestations[indx] = new(PendingAttestation)
			}
			if err = b.CurrentEpochAttestations[indx].UnmarshalSSZ(buf); err != nil {
				return err
			}
			return nil
		})
		if err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the BeaconState object
func (b *BeaconState) SizeSSZ() (size int) {
	size = 7017

	// Field (6) 'HistoricalRoots'
	size += len(b.HistoricalRoots) * 32

	// Field (8) 'Eth1DataVotes'
	size += len(b.Eth1DataVotes) * 72

	// Field (10) 'Validators'
	size += len(b.Validators) * 121

	// Field (11) 'Balances'
	size += len(b.Balances) * 8

	// Field (14) 'PreviousEpochAttestations'
	for ii := 0; ii < len(b.PreviousEpochAttestations); ii++ {
		size += 4
		size += b.PreviousEpochAttestations[ii].SizeSSZ()
	}

	// Field (15) 'CurrentEpochAttestations'
	for ii := 0; ii < len(b.CurrentEpochAttestations); ii++ {
		size += 4
		size += b.CurrentEpochAttestations[ii].SizeSSZ()
	}

	return
}

// HashTreeRoot ssz hashes the BeaconState object
func (b *BeaconState) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(b)
}

// HashTreeRootWith ssz hashes the BeaconState object with a hasher
func (b *BeaconState) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'GenesisTime'
	hh.PutUint64(b.GenesisTime)

	// Field (1) 'Slot'
	hh.PutUint64(b.Slot)

	// Field (2) 'Fork'
	if err = b.Fork.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (3) 'LatestBlockHeader'
	if err = b.LatestBlockHeader.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (4) 'BlockRoots'
	{
		subIndx := hh.Index()
		for _, i := range b.BlockRoots {
			hh.Append(i[:])
		}
		hh.Merkleize(subIndx)
	}

	// Field (5) 'StateRoots'
	{
		if len(b.StateRoots) != 64 {
			err = ssz.ErrVectorLength
			return
		}
		subIndx := hh.Index()
		for _, i := range b.StateRoots {
			hh.Append(i[:])
		}
		hh.Merkleize(subIndx)
	}

	// Field (6) 'HistoricalRoots'
	{
		if len(b.HistoricalRoots) > 16777216 {
			err = ssz.ErrListTooBig
			return
		}
		subIndx := hh.Index()
		for _, i := range b.HistoricalRoots {
			hh.Append(i[:])
		}
		numItems := uint64(len(b.HistoricalRoots))
		hh.MerkleizeWithMixin(subIndx, numItems, ssz.CalculateLimit(16777216, numItems, 32))
	}

	// Field (7) 'Eth1Data'
	if err = b.Eth1Data.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (8) 'Eth1DataVotes'
	{
		subIndx := hh.Index()
		num := uint64(len(b.Eth1DataVotes))
		if num > 16 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.Eth1DataVotes[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 16)
	}

	// Field (9) 'Eth1DepositIndex'
	hh.PutUint64(b.Eth1DepositIndex)

	// Field (10) 'Validators'
	{
		subIndx := hh.Index()
		num := uint64(len(b.Validators))
		if num > 1099511627776 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.Validators[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 1099511627776)
	}

	// Field (11) 'Balances'
	{
		if len(b.Balances) > 1099511627776 {
			err = ssz.ErrListTooBig
			return
		}
		subIndx := hh.Index()
		for _, i := range b.Balances {
			hh.AppendUint64(i)
		}
		hh.FillUpTo32()
		numItems := uint64(len(b.Balances))
		hh.MerkleizeWithMixin(subIndx, numItems, ssz.CalculateLimit(1099511627776, numItems, 8))
	}

	// Field (12) 'RandaoMixes'
	{
		if len(b.RandaoMixes) != 64 {
			err = ssz.ErrVectorLength
			return
		}
		subIndx := hh.Index()
		for _, i := range b.RandaoMixes {
			if len(i) != 32 {
				err = ssz.ErrBytesLength
				return
			}
			hh.Append(i)
		}
		hh.Merkleize(subIndx)
	}

	// Field (13) 'Slashings'
	{
		if len(b.Slashings) != 64 {
			err = ssz.ErrVectorLength
			return
		}
		subIndx := hh.Index()
		for _, i := range b.Slashings {
			hh.AppendUint64(i)
		}
		hh.Merkleize(subIndx)
	}

	// Field (14) 'PreviousEpochAttestations'
	{
		subIndx := hh.Index()
		num := uint64(len(b.PreviousEpochAttestations))
		if num > 1024 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.PreviousEpochAttestations[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 1024)
	}

	// Field (15) 'CurrentEpochAttestations'
	{
		subIndx := hh.Index()
		num := uint64(len(b.CurrentEpochAttestations))
		if num > 1024 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.CurrentEpochAttestations[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 1024)
	}

	// Field (16) 'JustificationBits'
	if len(b.JustificationBits) != 1 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.JustificationBits)

	// Field (17) 'PreviousJustifiedCheckpoint'
	if err = b.PreviousJustifiedCheckpoint.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (18) 'CurrentJustifiedCheckpoint'
	if err = b.CurrentJustifiedCheckpoint.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (19) 'FinalizedCheckpoint'
	if err = b.FinalizedCheckpoint.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the BeaconBlock object
func (b *BeaconBlock) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(b)
}

// MarshalSSZTo ssz marshals the BeaconBlock object to a target array
func (b *BeaconBlock) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(76)

	// Field (0) 'Slot'
	dst = ssz.MarshalUint64(dst, b.Slot)

	// Field (1) 'ParentRoot'
	if len(b.ParentRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.ParentRoot...)

	// Field (2) 'StateRoot'
	if len(b.StateRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.StateRoot...)

	// Offset (3) 'Body'
	dst = ssz.WriteOffset(dst, offset)
	if b.Body == nil {
		b.Body = new(BeaconBlockBody)
	}
	offset += b.Body.SizeSSZ()

	// Field (3) 'Body'
	if dst, err = b.Body.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the BeaconBlock object
func (b *BeaconBlock) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 76 {
		return ssz.ErrSize
	}

	tail := buf
	var o3 uint64

	// Field (0) 'Slot'
	b.Slot = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'ParentRoot'
	if cap(b.ParentRoot) == 0 {
		b.ParentRoot = make([]byte, 0, len(buf[8:40]))
	}
	b.ParentRoot = append(b.ParentRoot, buf[8:40]...)

	// Field (2) 'StateRoot'
	if cap(b.StateRoot) == 0 {
		b.StateRoot = make([]byte, 0, len(buf[40:72]))
	}
	b.StateRoot = append(b.StateRoot, buf[40:72]...)

	// Offset (3) 'Body'
	if o3 = ssz.ReadOffset(buf[72:76]); o3 > size {
		return ssz.ErrOffset
	}

	// Field (3) 'Body'
	{
		buf = tail[o3:]
		if b.Body == nil {
			b.Body = new(BeaconBlockBody)
		}
		if err = b.Body.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the BeaconBlock object
func (b *BeaconBlock) SizeSSZ() (size int) {
	size = 76

	// Field (3) 'Body'
	if b.Body == nil {
		b.Body = new(BeaconBlockBody)
	}
	size += b.Body.SizeSSZ()

	return
}

// HashTreeRoot ssz hashes the BeaconBlock object
func (b *BeaconBlock) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(b)
}

// HashTreeRootWith ssz hashes the BeaconBlock object with a hasher
func (b *BeaconBlock) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Slot'
	hh.PutUint64(b.Slot)

	// Field (1) 'ParentRoot'
	if len(b.ParentRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.ParentRoot)

	// Field (2) 'StateRoot'
	if len(b.StateRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.StateRoot)

	// Field (3) 'Body'
	if err = b.Body.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the SignedBeaconBlock object
func (s *SignedBeaconBlock) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(s)
}

// MarshalSSZTo ssz marshals the SignedBeaconBlock object to a target array
func (s *SignedBeaconBlock) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(100)

	// Offset (0) 'Block'
	dst = ssz.WriteOffset(dst, offset)
	if s.Block == nil {
		s.Block = new(BeaconBlock)
	}
	offset += s.Block.SizeSSZ()

	// Field (1) 'Signature'
	if len(s.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, s.Signature...)

	// Field (0) 'Block'
	if dst, err = s.Block.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the SignedBeaconBlock object
func (s *SignedBeaconBlock) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 100 {
		return ssz.ErrSize
	}

	tail := buf
	var o0 uint64

	// Offset (0) 'Block'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Field (1) 'Signature'
	if cap(s.Signature) == 0 {
		s.Signature = make([]byte, 0, len(buf[4:100]))
	}
	s.Signature = append(s.Signature, buf[4:100]...)

	// Field (0) 'Block'
	{
		buf = tail[o0:]
		if s.Block == nil {
			s.Block = new(BeaconBlock)
		}
		if err = s.Block.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the SignedBeaconBlock object
func (s *SignedBeaconBlock) SizeSSZ() (size int) {
	size = 100

	// Field (0) 'Block'
	if s.Block == nil {
		s.Block = new(BeaconBlock)
	}
	size += s.Block.SizeSSZ()

	return
}

// HashTreeRoot ssz hashes the SignedBeaconBlock object
func (s *SignedBeaconBlock) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(s)
}

// HashTreeRootWith ssz hashes the SignedBeaconBlock object with a hasher
func (s *SignedBeaconBlock) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Block'
	if err = s.Block.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (1) 'Signature'
	if len(s.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(s.Signature)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the Transfer object
func (t *Transfer) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(t)
}

// MarshalSSZTo ssz marshals the Transfer object to a target array
func (t *Transfer) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Sender'
	dst = ssz.MarshalUint64(dst, t.Sender)

	// Field (1) 'Recipient'
	dst = ssz.MarshalUint64(dst, t.Recipient)

	// Field (2) 'Amount'
	dst = ssz.MarshalUint64(dst, t.Amount)

	// Field (3) 'Fee'
	dst = ssz.MarshalUint64(dst, t.Fee)

	// Field (4) 'Slot'
	dst = ssz.MarshalUint64(dst, t.Slot)

	// Field (5) 'Pubkey'
	if len(t.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, t.Pubkey...)

	// Field (6) 'Signature'
	if len(t.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, t.Signature...)

	return
}

// UnmarshalSSZ ssz unmarshals the Transfer object
func (t *Transfer) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 184 {
		return ssz.ErrSize
	}

	// Field (0) 'Sender'
	t.Sender = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'Recipient'
	t.Recipient = ssz.UnmarshallUint64(buf[8:16])

	// Field (2) 'Amount'
	t.Amount = ssz.UnmarshallUint64(buf[16:24])

	// Field (3) 'Fee'
	t.Fee = ssz.UnmarshallUint64(buf[24:32])

	// Field (4) 'Slot'
	t.Slot = ssz.UnmarshallUint64(buf[32:40])

	// Field (5) 'Pubkey'
	if cap(t.Pubkey) == 0 {
		t.Pubkey = make([]byte, 0, len(buf[40:88]))
	}
	t.Pubkey = append(t.Pubkey, buf[40:88]...)

	// Field (6) 'Signature'
	if cap(t.Signature) == 0 {
		t.Signature = make([]byte, 0, len(buf[88:184]))
	}
	t.Signature = append(t.Signature, buf[88:184]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the Transfer object
func (t *Transfer) SizeSSZ() (size int) {
	size = 184
	return
}

// HashTreeRoot ssz hashes the Transfer object
func (t *Transfer) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(t)
}

// HashTreeRootWith ssz hashes the Transfer object with a hasher
func (t *Transfer) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Sender'
	hh.PutUint64(t.Sender)

	// Field (1) 'Recipient'
	hh.PutUint64(t.Recipient)

	// Field (2) 'Amount'
	hh.PutUint64(t.Amount)

	// Field (3) 'Fee'
	hh.PutUint64(t.Fee)

	// Field (4) 'Slot'
	hh.PutUint64(t.Slot)

	// Field (5) 'Pubkey'
	if len(t.Pubkey) != 48 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(t.Pubkey)

	// Field (6) 'Signature'
	if len(t.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(t.Signature)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the BeaconBlockBody object
func (b *BeaconBlockBody) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(b)
}

// MarshalSSZTo ssz marshals the BeaconBlockBody object to a target array
func (b *BeaconBlockBody) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(220)

	// Field (0) 'RandaoReveal'
	if len(b.RandaoReveal) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.RandaoReveal...)

	// Field (1) 'Eth1Data'
	if b.Eth1Data == nil {
		b.Eth1Data = new(Eth1Data)
	}
	if dst, err = b.Eth1Data.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (2) 'Graffiti'
	dst = append(dst, b.Graffiti[:]...)

	// Offset (3) 'ProposerSlashings'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.ProposerSlashings) * 408

	// Offset (4) 'AttesterSlashings'
	dst = ssz.WriteOffset(dst, offset)
	for ii := 0; ii < len(b.AttesterSlashings); ii++ {
		offset += 4
		offset += b.AttesterSlashings[ii].SizeSSZ()
	}

	// Offset (5) 'Attestations'
	dst = ssz.WriteOffset(dst, offset)
	for ii := 0; ii < len(b.Attestations); ii++ {
		offset += 4
		offset += b.Attestations[ii].SizeSSZ()
	}

	// Offset (6) 'Deposits'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.Deposits) * 1240

	// Offset (7) 'VoluntaryExits'
	dst = ssz.WriteOffset(dst, offset)
	offset += len(b.VoluntaryExits) * 112

	// Field (3) 'ProposerSlashings'
	if len(b.ProposerSlashings) > 16 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.ProposerSlashings); ii++ {
		if dst, err = b.ProposerSlashings[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (4) 'AttesterSlashings'
	if len(b.AttesterSlashings) > 1 {
		err = ssz.ErrListTooBig
		return
	}
	{
		offset = 4 * len(b.AttesterSlashings)
		for ii := 0; ii < len(b.AttesterSlashings); ii++ {
			dst = ssz.WriteOffset(dst, offset)
			offset += b.AttesterSlashings[ii].SizeSSZ()
		}
	}
	for ii := 0; ii < len(b.AttesterSlashings); ii++ {
		if dst, err = b.AttesterSlashings[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (5) 'Attestations'
	if len(b.Attestations) > 128 {
		err = ssz.ErrListTooBig
		return
	}
	{
		offset = 4 * len(b.Attestations)
		for ii := 0; ii < len(b.Attestations); ii++ {
			dst = ssz.WriteOffset(dst, offset)
			offset += b.Attestations[ii].SizeSSZ()
		}
	}
	for ii := 0; ii < len(b.Attestations); ii++ {
		if dst, err = b.Attestations[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (6) 'Deposits'
	if len(b.Deposits) > 16 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.Deposits); ii++ {
		if dst, err = b.Deposits[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	// Field (7) 'VoluntaryExits'
	if len(b.VoluntaryExits) > 16 {
		err = ssz.ErrListTooBig
		return
	}
	for ii := 0; ii < len(b.VoluntaryExits); ii++ {
		if dst, err = b.VoluntaryExits[ii].MarshalSSZTo(dst); err != nil {
			return
		}
	}

	return
}

// UnmarshalSSZ ssz unmarshals the BeaconBlockBody object
func (b *BeaconBlockBody) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 220 {
		return ssz.ErrSize
	}

	tail := buf
	var o3, o4, o5, o6, o7 uint64

	// Field (0) 'RandaoReveal'
	if cap(b.RandaoReveal) == 0 {
		b.RandaoReveal = make([]byte, 0, len(buf[0:96]))
	}
	b.RandaoReveal = append(b.RandaoReveal, buf[0:96]...)

	// Field (1) 'Eth1Data'
	if b.Eth1Data == nil {
		b.Eth1Data = new(Eth1Data)
	}
	if err = b.Eth1Data.UnmarshalSSZ(buf[96:168]); err != nil {
		return err
	}

	// Field (2) 'Graffiti'
	copy(b.Graffiti[:], buf[168:200])

	// Offset (3) 'ProposerSlashings'
	if o3 = ssz.ReadOffset(buf[200:204]); o3 > size {
		return ssz.ErrOffset
	}

	// Offset (4) 'AttesterSlashings'
	if o4 = ssz.ReadOffset(buf[204:208]); o4 > size || o3 > o4 {
		return ssz.ErrOffset
	}

	// Offset (5) 'Attestations'
	if o5 = ssz.ReadOffset(buf[208:212]); o5 > size || o4 > o5 {
		return ssz.ErrOffset
	}

	// Offset (6) 'Deposits'
	if o6 = ssz.ReadOffset(buf[212:216]); o6 > size || o5 > o6 {
		return ssz.ErrOffset
	}

	// Offset (7) 'VoluntaryExits'
	if o7 = ssz.ReadOffset(buf[216:220]); o7 > size || o6 > o7 {
		return ssz.ErrOffset
	}

	// Field (3) 'ProposerSlashings'
	{
		buf = tail[o3:o4]
		num, err := ssz.DivideInt2(len(buf), 408, 16)
		if err != nil {
			return err
		}
		b.ProposerSlashings = make([]*ProposerSlashing, num)
		for ii := 0; ii < num; ii++ {
			if b.ProposerSlashings[ii] == nil {
				b.ProposerSlashings[ii] = new(ProposerSlashing)
			}
			if err = b.ProposerSlashings[ii].UnmarshalSSZ(buf[ii*408 : (ii+1)*408]); err != nil {
				return err
			}
		}
	}

	// Field (4) 'AttesterSlashings'
	{
		buf = tail[o4:o5]
		num, err := ssz.DecodeDynamicLength(buf, 1)
		if err != nil {
			return err
		}
		b.AttesterSlashings = make([]*AttesterSlashing, num)
		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
			if b.AttesterSlashings[indx] == nil {
				b.AttesterSlashings[indx] = new(AttesterSlashing)
			}
			if err = b.AttesterSlashings[indx].UnmarshalSSZ(buf); err != nil {
				return err
			}
			return nil
		})
		if err != nil {
			return err
		}
	}

	// Field (5) 'Attestations'
	{
		buf = tail[o5:o6]
		num, err := ssz.DecodeDynamicLength(buf, 128)
		if err != nil {
			return err
		}
		b.Attestations = make([]*Attestation, num)
		err = ssz.UnmarshalDynamic(buf, num, func(indx int, buf []byte) (err error) {
			if b.Attestations[indx] == nil {
				b.Attestations[indx] = new(Attestation)
			}
			if err = b.Attestations[indx].UnmarshalSSZ(buf); err != nil {
				return err
			}
			return nil
		})
		if err != nil {
			return err
		}
	}

	// Field (6) 'Deposits'
	{
		buf = tail[o6:o7]
		num, err := ssz.DivideInt2(len(buf), 1240, 16)
		if err != nil {
			return err
		}
		b.Deposits = make([]*Deposit, num)
		for ii := 0; ii < num; ii++ {
			if b.Deposits[ii] == nil {
				b.Deposits[ii] = new(Deposit)
			}
			if err = b.Deposits[ii].UnmarshalSSZ(buf[ii*1240 : (ii+1)*1240]); err != nil {
				return err
			}
		}
	}

	// Field (7) 'VoluntaryExits'
	{
		buf = tail[o7:]
		num, err := ssz.DivideInt2(len(buf), 112, 16)
		if err != nil {
			return err
		}
		b.VoluntaryExits = make([]*SignedVoluntaryExit, num)
		for ii := 0; ii < num; ii++ {
			if b.VoluntaryExits[ii] == nil {
				b.VoluntaryExits[ii] = new(SignedVoluntaryExit)
			}
			if err = b.VoluntaryExits[ii].UnmarshalSSZ(buf[ii*112 : (ii+1)*112]); err != nil {
				return err
			}
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the BeaconBlockBody object
func (b *BeaconBlockBody) SizeSSZ() (size int) {
	size = 220

	// Field (3) 'ProposerSlashings'
	size += len(b.ProposerSlashings) * 408

	// Field (4) 'AttesterSlashings'
	for ii := 0; ii < len(b.AttesterSlashings); ii++ {
		size += 4
		size += b.AttesterSlashings[ii].SizeSSZ()
	}

	// Field (5) 'Attestations'
	for ii := 0; ii < len(b.Attestations); ii++ {
		size += 4
		size += b.Attestations[ii].SizeSSZ()
	}

	// Field (6) 'Deposits'
	size += len(b.Deposits) * 1240

	// Field (7) 'VoluntaryExits'
	size += len(b.VoluntaryExits) * 112

	return
}

// HashTreeRoot ssz hashes the BeaconBlockBody object
func (b *BeaconBlockBody) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(b)
}

// HashTreeRootWith ssz hashes the BeaconBlockBody object with a hasher
func (b *BeaconBlockBody) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'RandaoReveal'
	if len(b.RandaoReveal) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.RandaoReveal)

	// Field (1) 'Eth1Data'
	if err = b.Eth1Data.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (2) 'Graffiti'
	hh.PutBytes(b.Graffiti[:])

	// Field (3) 'ProposerSlashings'
	{
		subIndx := hh.Index()
		num := uint64(len(b.ProposerSlashings))
		if num > 16 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.ProposerSlashings[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 16)
	}

	// Field (4) 'AttesterSlashings'
	{
		subIndx := hh.Index()
		num := uint64(len(b.AttesterSlashings))
		if num > 1 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.AttesterSlashings[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 1)
	}

	// Field (5) 'Attestations'
	{
		subIndx := hh.Index()
		num := uint64(len(b.Attestations))
		if num > 128 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.Attestations[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 128)
	}

	// Field (6) 'Deposits'
	{
		subIndx := hh.Index()
		num := uint64(len(b.Deposits))
		if num > 16 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.Deposits[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 16)
	}

	// Field (7) 'VoluntaryExits'
	{
		subIndx := hh.Index()
		num := uint64(len(b.VoluntaryExits))
		if num > 16 {
			err = ssz.ErrIncorrectListSize
			return
		}
		for i := uint64(0); i < num; i++ {
			if err = b.VoluntaryExits[i].HashTreeRootWith(hh); err != nil {
				return
			}
		}
		hh.MerkleizeWithMixin(subIndx, num, 16)
	}

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the SignedBeaconBlockHeader object
func (s *SignedBeaconBlockHeader) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(s)
}

// MarshalSSZTo ssz marshals the SignedBeaconBlockHeader object to a target array
func (s *SignedBeaconBlockHeader) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Header'
	if s.Header == nil {
		s.Header = new(BeaconBlockHeader)
	}
	if dst, err = s.Header.MarshalSSZTo(dst); err != nil {
		return
	}

	// Field (1) 'Signature'
	if len(s.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, s.Signature...)

	return
}

// UnmarshalSSZ ssz unmarshals the SignedBeaconBlockHeader object
func (s *SignedBeaconBlockHeader) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 200 {
		return ssz.ErrSize
	}

	// Field (0) 'Header'
	if s.Header == nil {
		s.Header = new(BeaconBlockHeader)
	}
	if err = s.Header.UnmarshalSSZ(buf[0:104]); err != nil {
		return err
	}

	// Field (1) 'Signature'
	if cap(s.Signature) == 0 {
		s.Signature = make([]byte, 0, len(buf[104:200]))
	}
	s.Signature = append(s.Signature, buf[104:200]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the SignedBeaconBlockHeader object
func (s *SignedBeaconBlockHeader) SizeSSZ() (size int) {
	size = 200
	return
}

// HashTreeRoot ssz hashes the SignedBeaconBlockHeader object
func (s *SignedBeaconBlockHeader) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(s)
}

// HashTreeRootWith ssz hashes the SignedBeaconBlockHeader object with a hasher
func (s *SignedBeaconBlockHeader) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Header'
	if err = s.Header.HashTreeRootWith(hh); err != nil {
		return
	}

	// Field (1) 'Signature'
	if len(s.Signature) != 96 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(s.Signature)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the BeaconBlockHeader object
func (b *BeaconBlockHeader) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(b)
}

// MarshalSSZTo ssz marshals the BeaconBlockHeader object to a target array
func (b *BeaconBlockHeader) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf

	// Field (0) 'Slot'
	dst = ssz.MarshalUint64(dst, b.Slot)

	// Field (1) 'ParentRoot'
	if len(b.ParentRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.ParentRoot...)

	// Field (2) 'StateRoot'
	if len(b.StateRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.StateRoot...)

	// Field (3) 'BodyRoot'
	if len(b.BodyRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	dst = append(dst, b.BodyRoot...)

	return
}

// UnmarshalSSZ ssz unmarshals the BeaconBlockHeader object
func (b *BeaconBlockHeader) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size != 104 {
		return ssz.ErrSize
	}

	// Field (0) 'Slot'
	b.Slot = ssz.UnmarshallUint64(buf[0:8])

	// Field (1) 'ParentRoot'
	if cap(b.ParentRoot) == 0 {
		b.ParentRoot = make([]byte, 0, len(buf[8:40]))
	}
	b.ParentRoot = append(b.ParentRoot, buf[8:40]...)

	// Field (2) 'StateRoot'
	if cap(b.StateRoot) == 0 {
		b.StateRoot = make([]byte, 0, len(buf[40:72]))
	}
	b.StateRoot = append(b.StateRoot, buf[40:72]...)

	// Field (3) 'BodyRoot'
	if cap(b.BodyRoot) == 0 {
		b.BodyRoot = make([]byte, 0, len(buf[72:104]))
	}
	b.BodyRoot = append(b.BodyRoot, buf[72:104]...)

	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the BeaconBlockHeader object
func (b *BeaconBlockHeader) SizeSSZ() (size int) {
	size = 104
	return
}

// HashTreeRoot ssz hashes the BeaconBlockHeader object
func (b *BeaconBlockHeader) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(b)
}

// HashTreeRootWith ssz hashes the BeaconBlockHeader object with a hasher
func (b *BeaconBlockHeader) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Slot'
	hh.PutUint64(b.Slot)

	// Field (1) 'ParentRoot'
	if len(b.ParentRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.ParentRoot)

	// Field (2) 'StateRoot'
	if len(b.StateRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.StateRoot)

	// Field (3) 'BodyRoot'
	if len(b.BodyRoot) != 32 {
		err = ssz.ErrBytesLength
		return
	}
	hh.PutBytes(b.BodyRoot)

	hh.Merkleize(indx)
	return
}

// MarshalSSZ ssz marshals the ErrorResponse object
func (e *ErrorResponse) MarshalSSZ() ([]byte, error) {
	return ssz.MarshalSSZ(e)
}

// MarshalSSZTo ssz marshals the ErrorResponse object to a target array
func (e *ErrorResponse) MarshalSSZTo(buf []byte) (dst []byte, err error) {
	dst = buf
	offset := int(4)

	// Offset (0) 'Message'
	dst = ssz.WriteOffset(dst, offset)
	offset += e.Message.SizeSSZ()

	// Field (0) 'Message'
	if dst, err = e.Message.MarshalSSZTo(dst); err != nil {
		return
	}

	return
}

// UnmarshalSSZ ssz unmarshals the ErrorResponse object
func (e *ErrorResponse) UnmarshalSSZ(buf []byte) error {
	var err error
	size := uint64(len(buf))
	if size < 4 {
		return ssz.ErrSize
	}

	tail := buf
	var o0 uint64

	// Offset (0) 'Message'
	if o0 = ssz.ReadOffset(buf[0:4]); o0 > size {
		return ssz.ErrOffset
	}

	// Field (0) 'Message'
	{
		buf = tail[o0:]
		if err = e.Message.UnmarshalSSZ(buf); err != nil {
			return err
		}
	}
	return err
}

// SizeSSZ returns the ssz encoded size in bytes for the ErrorResponse object
func (e *ErrorResponse) SizeSSZ() (size int) {
	size = 4

	// Field (0) 'Message'
	size += e.Message.SizeSSZ()

	return
}

// HashTreeRoot ssz hashes the ErrorResponse object
func (e *ErrorResponse) HashTreeRoot() ([32]byte, error) {
	return ssz.HashWithDefaultHasher(e)
}

// HashTreeRootWith ssz hashes the ErrorResponse object with a hasher
func (e *ErrorResponse) HashTreeRootWith(hh *ssz.Hasher) (err error) {
	indx := hh.Index()

	// Field (0) 'Message'
	if err = e.Message.HashTreeRootWith(hh); err != nil {
		return
	}

	hh.Merkleize(indx)
	return
}