diff --git a/go.mod b/go.mod
index 712c9ef732d..769b836eaca 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/dgraph-io/badger/v3 v3.2011.1
 	github.com/go-kit/kit v0.10.0
 	github.com/gogo/protobuf v1.3.2
+	github.com/golang/protobuf v1.4.3
 	github.com/ipfs/go-log v1.0.4
 	github.com/lazyledger/lazyledger-core v0.0.0-20210219190522-0eccfb24e2aa
 	github.com/libp2p/go-libp2p v0.13.0
diff --git a/proto/gen.sh b/proto/gen.sh
new file mode 100755
index 00000000000..da08a5d3530
--- /dev/null
+++ b/proto/gen.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# see: https://stackoverflow.com/a/246128
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+cd $SCRIPT_DIR
+protoc -I=. -I=$GOPATH/src -I=$GOPATH/src/github.com/gogo/protobuf --gofast_out=../types/pb/optimint optimint.proto
diff --git a/proto/optimint.proto b/proto/optimint.proto
new file mode 100644
index 00000000000..8af2b26f556
--- /dev/null
+++ b/proto/optimint.proto
@@ -0,0 +1,73 @@
+syntax = "proto3";
+package optimint;
+
+// option go_package = "github.com/lazyledger/optimint/proto";
+import "tendermint/abci/types.proto";
+
+// Version captures the consensus rules for processing a block in the blockchain,
+// including all blockchain data structures and the rules of the application's
+// state transition machine.
+// This is equivalent to the tmversion.Consensus type in Tendermint.
+message Version {
+	uint32 block = 1;
+	uint32 app = 2;
+}
+
+message Header {
+	// Block and App version
+	Version version = 1;
+	// NamespaceID identifies this chain e.g. when connected to other rollups via IBC.
+	bytes namespace_id = 2;
+
+	// Block height
+	uint64 height = 3;
+
+	// Block creation time
+	uint64 time = 4;
+
+	// Previous block info
+	bytes last_header_hash = 5;
+
+	// Commit from aggregator(s) from the last block
+	bytes last_commit_hash = 6;
+	
+	// Block.Data root aka Transactions
+	bytes data_hash = 7;
+
+	// Consensus params for current block
+	bytes consensus_hash = 8;
+
+	// State after applying txs from the current block
+	bytes app_hash = 9;
+
+	// Root hash of all results from the txs from the previous block.
+	// This is ABCI specific but smart-contract chains require some way of committing
+	// to transaction receipts/results.
+	bytes last_results_hash = 10;
+
+	// Original proposer of the block
+	// Note that the address can be derived from the pubkey which can be derived
+	// from the signature when using secp256k.
+	// We keep this in case users choose another signature format where the
+	// pubkey can't be recovered by the signature (e.g. ed25519).
+	bytes proposer_address = 11;
+}
+
+message Commit {
+	uint64 height = 1;
+	bytes hader_hash = 2;
+	// Note: most of the time this will be a single sinature
+	repeated bytes signatures = 3;
+}
+
+message Data {
+	repeated bytes txs = 1;
+	repeated bytes intermediate_state_roots = 2;
+	repeated tendermint.abci.Evidence evidence = 3;
+}
+
+message Block {	
+	Header header = 1;
+	Data data = 2;
+	Commit last_commit = 3;
+}
diff --git a/proto/tendermint/abci/types.proto b/proto/tendermint/abci/types.proto
new file mode 100644
index 00000000000..29e0885f9f8
--- /dev/null
+++ b/proto/tendermint/abci/types.proto
@@ -0,0 +1,44 @@
+syntax = "proto3";
+package tendermint.abci;
+
+option go_package = "github.com/lazyledger/lazyledger-core/abci/types";
+
+// For more information on gogo.proto, see:
+// https://github.com/gogo/protobuf/blob/master/extensions.md
+import "google/protobuf/timestamp.proto";
+import "gogoproto/gogo.proto";
+
+// This file is copied from http://github.com/tendermint/abci
+// NOTE: When using custom types, mind the warnings.
+// https://github.com/gogo/protobuf/blob/master/custom_types.md#warnings-and-issues
+
+// Validator
+message Validator {
+  bytes address = 1;  // The first 20 bytes of SHA256(public key)
+  // PubKey pub_key = 2 [(gogoproto.nullable)=false];
+  int64 power = 3;  // The voting power
+}
+
+enum EvidenceType {
+  UNKNOWN             = 0;
+  DUPLICATE_VOTE      = 1;
+  LIGHT_CLIENT_ATTACK = 2;
+}
+
+message Evidence {
+  EvidenceType type = 1;
+  // The offending validator
+  Validator validator = 2 [(gogoproto.nullable) = false];
+  // The height when the offense occurred
+  int64 height = 3;
+  // The corresponding time where the offense occurred
+  google.protobuf.Timestamp time = 4 [
+    (gogoproto.nullable) = false,
+    (gogoproto.stdtime)  = true
+  ];
+  // Total voting power of the validator set in case the ABCI application does
+  // not store historical validators.
+  // https://github.com/tendermint/tendermint/issues/4581
+  int64 total_voting_power = 5;
+}
+
diff --git a/types/pb/optimint/optimint.pb.go b/types/pb/optimint/optimint.pb.go
new file mode 100644
index 00000000000..d553a10317c
--- /dev/null
+++ b/types/pb/optimint/optimint.pb.go
@@ -0,0 +1,1682 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: optimint.proto
+
+/*
+	Package optimint is a generated protocol buffer package.
+
+	It is generated from these files:
+		optimint.proto
+
+	It has these top-level messages:
+		Version
+		Header
+		Commit
+		Data
+		Block
+*/
+package optimint
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import tendermint_abci "github.com/lazyledger/lazyledger-core/abci/types"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Version struct {
+	Block uint32 `protobuf:"varint,1,opt,name=block,proto3" json:"block,omitempty"`
+	App   uint32 `protobuf:"varint,2,opt,name=app,proto3" json:"app,omitempty"`
+}
+
+func (m *Version) Reset()                    { *m = Version{} }
+func (m *Version) String() string            { return proto.CompactTextString(m) }
+func (*Version) ProtoMessage()               {}
+func (*Version) Descriptor() ([]byte, []int) { return fileDescriptorOptimint, []int{0} }
+
+func (m *Version) GetBlock() uint32 {
+	if m != nil {
+		return m.Block
+	}
+	return 0
+}
+
+func (m *Version) GetApp() uint32 {
+	if m != nil {
+		return m.App
+	}
+	return 0
+}
+
+type Header struct {
+	Version         *Version `protobuf:"bytes,1,opt,name=version" json:"version,omitempty"`
+	NamespaceId     []byte   `protobuf:"bytes,2,opt,name=namespace_id,json=namespaceId,proto3" json:"namespace_id,omitempty"`
+	Height          uint64   `protobuf:"varint,3,opt,name=height,proto3" json:"height,omitempty"`
+	Time            uint64   `protobuf:"varint,4,opt,name=time,proto3" json:"time,omitempty"`
+	LastHeaderHash  []byte   `protobuf:"bytes,5,opt,name=last_header_hash,json=lastHeaderHash,proto3" json:"last_header_hash,omitempty"`
+	LastCommitHash  []byte   `protobuf:"bytes,6,opt,name=last_commit_hash,json=lastCommitHash,proto3" json:"last_commit_hash,omitempty"`
+	DataHash        []byte   `protobuf:"bytes,7,opt,name=data_hash,json=dataHash,proto3" json:"data_hash,omitempty"`
+	ConsensusHash   []byte   `protobuf:"bytes,8,opt,name=consensus_hash,json=consensusHash,proto3" json:"consensus_hash,omitempty"`
+	AppHash         []byte   `protobuf:"bytes,9,opt,name=app_hash,json=appHash,proto3" json:"app_hash,omitempty"`
+	LastResultsHash []byte   `protobuf:"bytes,10,opt,name=last_results_hash,json=lastResultsHash,proto3" json:"last_results_hash,omitempty"`
+	ProposerAddress []byte   `protobuf:"bytes,11,opt,name=proposer_address,json=proposerAddress,proto3" json:"proposer_address,omitempty"`
+}
+
+func (m *Header) Reset()                    { *m = Header{} }
+func (m *Header) String() string            { return proto.CompactTextString(m) }
+func (*Header) ProtoMessage()               {}
+func (*Header) Descriptor() ([]byte, []int) { return fileDescriptorOptimint, []int{1} }
+
+func (m *Header) GetVersion() *Version {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
+func (m *Header) GetNamespaceId() []byte {
+	if m != nil {
+		return m.NamespaceId
+	}
+	return nil
+}
+
+func (m *Header) GetHeight() uint64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
+func (m *Header) GetTime() uint64 {
+	if m != nil {
+		return m.Time
+	}
+	return 0
+}
+
+func (m *Header) GetLastHeaderHash() []byte {
+	if m != nil {
+		return m.LastHeaderHash
+	}
+	return nil
+}
+
+func (m *Header) GetLastCommitHash() []byte {
+	if m != nil {
+		return m.LastCommitHash
+	}
+	return nil
+}
+
+func (m *Header) GetDataHash() []byte {
+	if m != nil {
+		return m.DataHash
+	}
+	return nil
+}
+
+func (m *Header) GetConsensusHash() []byte {
+	if m != nil {
+		return m.ConsensusHash
+	}
+	return nil
+}
+
+func (m *Header) GetAppHash() []byte {
+	if m != nil {
+		return m.AppHash
+	}
+	return nil
+}
+
+func (m *Header) GetLastResultsHash() []byte {
+	if m != nil {
+		return m.LastResultsHash
+	}
+	return nil
+}
+
+func (m *Header) GetProposerAddress() []byte {
+	if m != nil {
+		return m.ProposerAddress
+	}
+	return nil
+}
+
+type Commit struct {
+	Height     uint64   `protobuf:"varint,1,opt,name=height,proto3" json:"height,omitempty"`
+	HaderHash  []byte   `protobuf:"bytes,2,opt,name=hader_hash,json=haderHash,proto3" json:"hader_hash,omitempty"`
+	Signatures [][]byte `protobuf:"bytes,3,rep,name=signatures" json:"signatures,omitempty"`
+}
+
+func (m *Commit) Reset()                    { *m = Commit{} }
+func (m *Commit) String() string            { return proto.CompactTextString(m) }
+func (*Commit) ProtoMessage()               {}
+func (*Commit) Descriptor() ([]byte, []int) { return fileDescriptorOptimint, []int{2} }
+
+func (m *Commit) GetHeight() uint64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
+func (m *Commit) GetHaderHash() []byte {
+	if m != nil {
+		return m.HaderHash
+	}
+	return nil
+}
+
+func (m *Commit) GetSignatures() [][]byte {
+	if m != nil {
+		return m.Signatures
+	}
+	return nil
+}
+
+type Data struct {
+	Txs                    [][]byte                    `protobuf:"bytes,1,rep,name=txs" json:"txs,omitempty"`
+	IntermediateStateRoots [][]byte                    `protobuf:"bytes,2,rep,name=intermediate_state_roots,json=intermediateStateRoots" json:"intermediate_state_roots,omitempty"`
+	Evidence               []*tendermint_abci.Evidence `protobuf:"bytes,3,rep,name=evidence" json:"evidence,omitempty"`
+}
+
+func (m *Data) Reset()                    { *m = Data{} }
+func (m *Data) String() string            { return proto.CompactTextString(m) }
+func (*Data) ProtoMessage()               {}
+func (*Data) Descriptor() ([]byte, []int) { return fileDescriptorOptimint, []int{3} }
+
+func (m *Data) GetTxs() [][]byte {
+	if m != nil {
+		return m.Txs
+	}
+	return nil
+}
+
+func (m *Data) GetIntermediateStateRoots() [][]byte {
+	if m != nil {
+		return m.IntermediateStateRoots
+	}
+	return nil
+}
+
+func (m *Data) GetEvidence() []*tendermint_abci.Evidence {
+	if m != nil {
+		return m.Evidence
+	}
+	return nil
+}
+
+type Block struct {
+	Header     *Header `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
+	Data       *Data   `protobuf:"bytes,2,opt,name=data" json:"data,omitempty"`
+	LastCommit *Commit `protobuf:"bytes,3,opt,name=last_commit,json=lastCommit" json:"last_commit,omitempty"`
+}
+
+func (m *Block) Reset()                    { *m = Block{} }
+func (m *Block) String() string            { return proto.CompactTextString(m) }
+func (*Block) ProtoMessage()               {}
+func (*Block) Descriptor() ([]byte, []int) { return fileDescriptorOptimint, []int{4} }
+
+func (m *Block) GetHeader() *Header {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Block) GetData() *Data {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+func (m *Block) GetLastCommit() *Commit {
+	if m != nil {
+		return m.LastCommit
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*Version)(nil), "optimint.Version")
+	proto.RegisterType((*Header)(nil), "optimint.Header")
+	proto.RegisterType((*Commit)(nil), "optimint.Commit")
+	proto.RegisterType((*Data)(nil), "optimint.Data")
+	proto.RegisterType((*Block)(nil), "optimint.Block")
+}
+func (m *Version) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Version) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Block != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Block))
+	}
+	if m.App != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.App))
+	}
+	return i, nil
+}
+
+func (m *Header) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Header) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Version != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Version.Size()))
+		n1, err := m.Version.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n1
+	}
+	if len(m.NamespaceId) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.NamespaceId)))
+		i += copy(dAtA[i:], m.NamespaceId)
+	}
+	if m.Height != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Height))
+	}
+	if m.Time != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Time))
+	}
+	if len(m.LastHeaderHash) > 0 {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.LastHeaderHash)))
+		i += copy(dAtA[i:], m.LastHeaderHash)
+	}
+	if len(m.LastCommitHash) > 0 {
+		dAtA[i] = 0x32
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.LastCommitHash)))
+		i += copy(dAtA[i:], m.LastCommitHash)
+	}
+	if len(m.DataHash) > 0 {
+		dAtA[i] = 0x3a
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.DataHash)))
+		i += copy(dAtA[i:], m.DataHash)
+	}
+	if len(m.ConsensusHash) > 0 {
+		dAtA[i] = 0x42
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.ConsensusHash)))
+		i += copy(dAtA[i:], m.ConsensusHash)
+	}
+	if len(m.AppHash) > 0 {
+		dAtA[i] = 0x4a
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.AppHash)))
+		i += copy(dAtA[i:], m.AppHash)
+	}
+	if len(m.LastResultsHash) > 0 {
+		dAtA[i] = 0x52
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.LastResultsHash)))
+		i += copy(dAtA[i:], m.LastResultsHash)
+	}
+	if len(m.ProposerAddress) > 0 {
+		dAtA[i] = 0x5a
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.ProposerAddress)))
+		i += copy(dAtA[i:], m.ProposerAddress)
+	}
+	return i, nil
+}
+
+func (m *Commit) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Commit) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Height != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Height))
+	}
+	if len(m.HaderHash) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(len(m.HaderHash)))
+		i += copy(dAtA[i:], m.HaderHash)
+	}
+	if len(m.Signatures) > 0 {
+		for _, b := range m.Signatures {
+			dAtA[i] = 0x1a
+			i++
+			i = encodeVarintOptimint(dAtA, i, uint64(len(b)))
+			i += copy(dAtA[i:], b)
+		}
+	}
+	return i, nil
+}
+
+func (m *Data) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Data) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Txs) > 0 {
+		for _, b := range m.Txs {
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintOptimint(dAtA, i, uint64(len(b)))
+			i += copy(dAtA[i:], b)
+		}
+	}
+	if len(m.IntermediateStateRoots) > 0 {
+		for _, b := range m.IntermediateStateRoots {
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintOptimint(dAtA, i, uint64(len(b)))
+			i += copy(dAtA[i:], b)
+		}
+	}
+	if len(m.Evidence) > 0 {
+		for _, msg := range m.Evidence {
+			dAtA[i] = 0x1a
+			i++
+			i = encodeVarintOptimint(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	return i, nil
+}
+
+func (m *Block) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Block) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Header != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Header.Size()))
+		n2, err := m.Header.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	if m.Data != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.Data.Size()))
+		n3, err := m.Data.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n3
+	}
+	if m.LastCommit != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintOptimint(dAtA, i, uint64(m.LastCommit.Size()))
+		n4, err := m.LastCommit.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n4
+	}
+	return i, nil
+}
+
+func encodeFixed64Optimint(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Optimint(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintOptimint(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Version) Size() (n int) {
+	var l int
+	_ = l
+	if m.Block != 0 {
+		n += 1 + sovOptimint(uint64(m.Block))
+	}
+	if m.App != 0 {
+		n += 1 + sovOptimint(uint64(m.App))
+	}
+	return n
+}
+
+func (m *Header) Size() (n int) {
+	var l int
+	_ = l
+	if m.Version != nil {
+		l = m.Version.Size()
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.NamespaceId)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	if m.Height != 0 {
+		n += 1 + sovOptimint(uint64(m.Height))
+	}
+	if m.Time != 0 {
+		n += 1 + sovOptimint(uint64(m.Time))
+	}
+	l = len(m.LastHeaderHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.LastCommitHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.DataHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.ConsensusHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.AppHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.LastResultsHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	l = len(m.ProposerAddress)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	return n
+}
+
+func (m *Commit) Size() (n int) {
+	var l int
+	_ = l
+	if m.Height != 0 {
+		n += 1 + sovOptimint(uint64(m.Height))
+	}
+	l = len(m.HaderHash)
+	if l > 0 {
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	if len(m.Signatures) > 0 {
+		for _, b := range m.Signatures {
+			l = len(b)
+			n += 1 + l + sovOptimint(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *Data) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.Txs) > 0 {
+		for _, b := range m.Txs {
+			l = len(b)
+			n += 1 + l + sovOptimint(uint64(l))
+		}
+	}
+	if len(m.IntermediateStateRoots) > 0 {
+		for _, b := range m.IntermediateStateRoots {
+			l = len(b)
+			n += 1 + l + sovOptimint(uint64(l))
+		}
+	}
+	if len(m.Evidence) > 0 {
+		for _, e := range m.Evidence {
+			l = e.Size()
+			n += 1 + l + sovOptimint(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *Block) Size() (n int) {
+	var l int
+	_ = l
+	if m.Header != nil {
+		l = m.Header.Size()
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	if m.Data != nil {
+		l = m.Data.Size()
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	if m.LastCommit != nil {
+		l = m.LastCommit.Size()
+		n += 1 + l + sovOptimint(uint64(l))
+	}
+	return n
+}
+
+func sovOptimint(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozOptimint(x uint64) (n int) {
+	return sovOptimint(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *Version) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Version: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Version: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Block", wireType)
+			}
+			m.Block = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Block |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field App", wireType)
+			}
+			m.App = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.App |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipOptimint(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Header) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Header: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Header: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Version", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Version == nil {
+				m.Version = &Version{}
+			}
+			if err := m.Version.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NamespaceId", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.NamespaceId = append(m.NamespaceId[:0], dAtA[iNdEx:postIndex]...)
+			if m.NamespaceId == nil {
+				m.NamespaceId = []byte{}
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
+			}
+			m.Height = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Height |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Time", wireType)
+			}
+			m.Time = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Time |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LastHeaderHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.LastHeaderHash = append(m.LastHeaderHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.LastHeaderHash == nil {
+				m.LastHeaderHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LastCommitHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.LastCommitHash = append(m.LastCommitHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.LastCommitHash == nil {
+				m.LastCommitHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DataHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.DataHash = append(m.DataHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.DataHash == nil {
+				m.DataHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ConsensusHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ConsensusHash = append(m.ConsensusHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.ConsensusHash == nil {
+				m.ConsensusHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field AppHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.AppHash = append(m.AppHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.AppHash == nil {
+				m.AppHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LastResultsHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.LastResultsHash = append(m.LastResultsHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.LastResultsHash == nil {
+				m.LastResultsHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 11:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ProposerAddress", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ProposerAddress = append(m.ProposerAddress[:0], dAtA[iNdEx:postIndex]...)
+			if m.ProposerAddress == nil {
+				m.ProposerAddress = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipOptimint(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Commit) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Commit: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Commit: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
+			}
+			m.Height = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Height |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field HaderHash", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.HaderHash = append(m.HaderHash[:0], dAtA[iNdEx:postIndex]...)
+			if m.HaderHash == nil {
+				m.HaderHash = []byte{}
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signatures", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Signatures = append(m.Signatures, make([]byte, postIndex-iNdEx))
+			copy(m.Signatures[len(m.Signatures)-1], dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipOptimint(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Data) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Data: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Data: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Txs", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Txs = append(m.Txs, make([]byte, postIndex-iNdEx))
+			copy(m.Txs[len(m.Txs)-1], dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IntermediateStateRoots", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.IntermediateStateRoots = append(m.IntermediateStateRoots, make([]byte, postIndex-iNdEx))
+			copy(m.IntermediateStateRoots[len(m.IntermediateStateRoots)-1], dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Evidence", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Evidence = append(m.Evidence, &tendermint_abci.Evidence{})
+			if err := m.Evidence[len(m.Evidence)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipOptimint(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Block) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Block: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Block: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Header", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Header == nil {
+				m.Header = &Header{}
+			}
+			if err := m.Header.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Data", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Data == nil {
+				m.Data = &Data{}
+			}
+			if err := m.Data.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LastCommit", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.LastCommit == nil {
+				m.LastCommit = &Commit{}
+			}
+			if err := m.LastCommit.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipOptimint(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthOptimint
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipOptimint(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowOptimint
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowOptimint
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthOptimint
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowOptimint
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipOptimint(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthOptimint = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowOptimint   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() { proto.RegisterFile("optimint.proto", fileDescriptorOptimint) }
+
+var fileDescriptorOptimint = []byte{
+	// 517 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x54, 0x93, 0xc1, 0x6e, 0xd3, 0x40,
+	0x10, 0x86, 0x71, 0x93, 0x26, 0xe9, 0xb8, 0x0d, 0xe9, 0x0a, 0x55, 0x2e, 0x15, 0x51, 0xb0, 0x84,
+	0x14, 0x40, 0x4a, 0xd5, 0x20, 0x24, 0xae, 0x14, 0x90, 0xca, 0x75, 0x91, 0xb8, 0x5a, 0x1b, 0x7b,
+	0x54, 0xaf, 0x88, 0xbd, 0xab, 0xdd, 0x4d, 0x05, 0x6f, 0x00, 0x17, 0xce, 0x3c, 0x12, 0x47, 0x1e,
+	0x01, 0x85, 0x17, 0x41, 0x3b, 0xeb, 0xd8, 0xe9, 0x25, 0xda, 0xfd, 0xff, 0xcf, 0x93, 0x99, 0xf1,
+	0x6f, 0x18, 0x2b, 0xed, 0x64, 0x25, 0x6b, 0xb7, 0xd0, 0x46, 0x39, 0xc5, 0x46, 0xbb, 0xfb, 0xe3,
+	0x0b, 0x87, 0x75, 0x81, 0xc6, 0x9f, 0x2f, 0xc5, 0x2a, 0x97, 0x97, 0xee, 0x9b, 0x46, 0x1b, 0xb0,
+	0xf4, 0x0a, 0x86, 0x9f, 0xd1, 0x58, 0xa9, 0x6a, 0xf6, 0x08, 0x0e, 0x57, 0x6b, 0x95, 0x7f, 0x49,
+	0xa2, 0x59, 0x34, 0x3f, 0xe1, 0xe1, 0xc2, 0x26, 0xd0, 0x13, 0x5a, 0x27, 0x07, 0xa4, 0xf9, 0x63,
+	0xfa, 0xb3, 0x07, 0x83, 0x1b, 0x14, 0x05, 0x1a, 0xf6, 0x12, 0x86, 0x77, 0xe1, 0x69, 0x7a, 0x28,
+	0x5e, 0x9e, 0x2e, 0xda, 0x36, 0x9a, 0xb2, 0x7c, 0x47, 0xb0, 0xa7, 0x70, 0x5c, 0x8b, 0x0a, 0xad,
+	0x16, 0x39, 0x66, 0xb2, 0xa0, 0x92, 0xc7, 0x3c, 0x6e, 0xb5, 0x8f, 0x05, 0x3b, 0x83, 0x41, 0x89,
+	0xf2, 0xb6, 0x74, 0x49, 0x6f, 0x16, 0xcd, 0xfb, 0xbc, 0xb9, 0x31, 0x06, 0x7d, 0x27, 0x2b, 0x4c,
+	0xfa, 0xa4, 0xd2, 0x99, 0xcd, 0x61, 0xb2, 0x16, 0xd6, 0x65, 0x25, 0xb5, 0x92, 0x95, 0xc2, 0x96,
+	0xc9, 0x21, 0x95, 0x1c, 0x7b, 0x3d, 0x74, 0x78, 0x23, 0x6c, 0xd9, 0x92, 0xb9, 0xaa, 0x2a, 0xe9,
+	0x02, 0x39, 0xe8, 0xc8, 0x77, 0x24, 0x13, 0x79, 0x01, 0x47, 0x85, 0x70, 0x22, 0x20, 0x43, 0x42,
+	0x46, 0x5e, 0x20, 0xf3, 0x19, 0x8c, 0x73, 0x55, 0x5b, 0xac, 0xed, 0xc6, 0x06, 0x62, 0x44, 0xc4,
+	0x49, 0xab, 0x12, 0x76, 0x0e, 0x23, 0xa1, 0x75, 0x00, 0x8e, 0x08, 0x18, 0x0a, 0xad, 0xc9, 0x7a,
+	0x01, 0xa7, 0xd4, 0x88, 0x41, 0xbb, 0x59, 0xbb, 0xa6, 0x08, 0x10, 0xf3, 0xd0, 0x1b, 0x3c, 0xe8,
+	0xc4, 0x3e, 0x87, 0x89, 0x36, 0x4a, 0x2b, 0x8b, 0x26, 0x13, 0x45, 0x61, 0xd0, 0xda, 0x24, 0x0e,
+	0xe8, 0x4e, 0x7f, 0x1b, 0xe4, 0x34, 0x83, 0x41, 0x98, 0x61, 0x6f, 0x7f, 0xd1, 0xbd, 0xfd, 0x3d,
+	0x01, 0x28, 0xbb, 0x2d, 0x85, 0xc5, 0x1f, 0x95, 0xed, 0x82, 0xa6, 0x00, 0x56, 0xde, 0xd6, 0xc2,
+	0x6d, 0x0c, 0xda, 0xa4, 0x37, 0xeb, 0xcd, 0x8f, 0xf9, 0x9e, 0x92, 0xfe, 0x88, 0xa0, 0xff, 0x5e,
+	0x38, 0xe1, 0xc3, 0xe0, 0xbe, 0xda, 0x24, 0x22, 0xc2, 0x1f, 0xd9, 0x1b, 0x48, 0x64, 0xed, 0xd0,
+	0x54, 0x58, 0x48, 0xe1, 0x30, 0xb3, 0xce, 0xff, 0x1a, 0xa5, 0x9c, 0x4d, 0x0e, 0x08, 0x3b, 0xdb,
+	0xf7, 0x3f, 0x79, 0x9b, 0x7b, 0x97, 0xbd, 0x86, 0x11, 0xde, 0xc9, 0x02, 0xeb, 0x1c, 0xe9, 0x2f,
+	0xe3, 0xe5, 0xf9, 0xa2, 0x4b, 0xea, 0xc2, 0x27, 0x75, 0xf1, 0xa1, 0x01, 0x78, 0x8b, 0xa6, 0xdf,
+	0x23, 0x38, 0xbc, 0xa6, 0x64, 0xce, 0xfd, 0xb0, 0x7e, 0x86, 0x26, 0x7b, 0x93, 0x2e, 0x7b, 0xe1,
+	0xe5, 0xf3, 0xc6, 0x67, 0x29, 0xf4, 0xfd, 0x5b, 0xa4, 0xc1, 0xe3, 0xe5, 0xb8, 0xe3, 0xfc, 0x50,
+	0x9c, 0x3c, 0x76, 0x05, 0xf1, 0x5e, 0x48, 0x28, 0x7f, 0xf7, 0x4a, 0x86, 0x0d, 0x73, 0xe8, 0x12,
+	0x73, 0x3d, 0xf9, 0xbd, 0x9d, 0x46, 0x7f, 0xb6, 0xd3, 0xe8, 0xef, 0x76, 0x1a, 0xfd, 0xfa, 0x37,
+	0x7d, 0xb0, 0x1a, 0xd0, 0x47, 0xf5, 0xea, 0x7f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xdb, 0x88, 0x13,
+	0x8f, 0x8d, 0x03, 0x00, 0x00,
+}