diff --git a/types/types.proto b/types/types.proto
index 1d66df9d..7abc354d 100644
--- a/types/types.proto
+++ b/types/types.proto
@@ -7,42 +7,42 @@ package types;
 // Code types
 
 enum CodeType {
-  OK                    = 0;
+	OK                    = 0;
 
-  // General response codes, 0 ~ 99
-  InternalError         = 1;
-  EncodingError         = 2;
-  BadNonce              = 3;
-  Unauthorized          = 4;
-  InsufficientFunds     = 5;
-  UnknownRequest        = 6;
+	// General response codes, 0 ~ 99
+	InternalError         = 1;
+	EncodingError         = 2;
+	BadNonce              = 3;
+	Unauthorized          = 4;
+	InsufficientFunds     = 5;
+	UnknownRequest        = 6;
 
-  // Reserved for basecoin, 100 ~ 199
-  BaseDuplicateAddress  = 101;
-  BaseEncodingError     = 102;
-  BaseInsufficientFees  = 103;
-  BaseInsufficientFunds = 104;
-  BaseInsufficientGasPrice = 105;
-  BaseInvalidInput      = 106;
-  BaseInvalidOutput     = 107;
-  BaseInvalidPubKey     = 108;
-  BaseInvalidSequence   = 109;
-  BaseInvalidSignature  = 110;
-  BaseUnknownAddress    = 111;
-  BaseUnknownPubKey     = 112;
-  BaseUnknownPlugin     = 113;
+	// Reserved for basecoin, 100 ~ 199
+	BaseDuplicateAddress  = 101;
+	BaseEncodingError     = 102;
+	BaseInsufficientFees  = 103;
+	BaseInsufficientFunds = 104;
+	BaseInsufficientGasPrice = 105;
+	BaseInvalidInput      = 106;
+	BaseInvalidOutput     = 107;
+	BaseInvalidPubKey     = 108;
+	BaseInvalidSequence   = 109;
+	BaseInvalidSignature  = 110;
+	BaseUnknownAddress    = 111;
+	BaseUnknownPubKey     = 112;
+	BaseUnknownPlugin     = 113;
 
-  // Reserved for governance, 200 ~ 299
-  GovUnknownEntity      = 201;
-  GovUnknownGroup       = 202;
-  GovUnknownProposal    = 203;
-  GovDuplicateGroup     = 204;
-  GovDuplicateMember    = 205;
-  GovDuplicateProposal  = 206;
-  GovDuplicateVote      = 207;
-  GovInvalidMember      = 208;
-  GovInvalidVote        = 209;
-  GovInvalidVotingPower = 210;
+	// Reserved for governance, 200 ~ 299
+	GovUnknownEntity      = 201;
+	GovUnknownGroup       = 202;
+	GovUnknownProposal    = 203;
+	GovDuplicateGroup     = 204;
+	GovDuplicateMember    = 205;
+	GovDuplicateProposal  = 206;
+	GovDuplicateVote      = 207;
+	GovInvalidMember      = 208;
+	GovInvalidVote        = 209;
+	GovInvalidVotingPower = 210;
 
 }
 
@@ -50,23 +50,23 @@ enum CodeType {
 // Request types
 
 message Request {
-  oneof value{
-    RequestEcho echo = 1;
-    RequestFlush flush = 2;
-    RequestInfo info = 3;
-    RequestSetOption set_option = 4;
-    RequestDeliverTx deliver_tx = 5;
-    RequestCheckTx check_tx = 6;
-    RequestCommit commit = 7;
-    RequestQuery query = 8;
-    RequestInitChain init_chain = 9;
-    RequestBeginBlock begin_block = 10;
-    RequestEndBlock end_block = 11;
-  }
+	oneof value{
+		RequestEcho echo = 1;
+		RequestFlush flush = 2;
+		RequestInfo info = 3;
+		RequestSetOption set_option = 4;
+		RequestDeliverTx deliver_tx = 5;
+		RequestCheckTx check_tx = 6;
+		RequestCommit commit = 7;
+		RequestQuery query = 8;
+		RequestInitChain init_chain = 9;
+		RequestBeginBlock begin_block = 10;
+		RequestEndBlock end_block = 11;
+	}
 }
 
 message RequestEcho {
-  string message = 1;
+	string message = 1;
 }
 
 message RequestFlush {
@@ -76,39 +76,39 @@ message RequestInfo {
 }
 
 message RequestSetOption{
-  string key = 1;
-  string value = 2;
+	string key = 1;
+	string value = 2;
 }
 
 message RequestDeliverTx{
-  bytes tx = 1;
+	bytes tx = 1;
 }
 
 message RequestCheckTx{
-  bytes tx = 1;
+	bytes tx = 1;
 }
 
 message RequestQuery{
-  bytes data = 1;
-  string path = 2;
-  uint64 height = 3;
-  bool prove = 4;
+	bytes data = 1;
+	string path = 2;
+	uint64 height = 3;
+	bool prove = 4;
 }
 
 message RequestCommit{
 }
 
 message RequestInitChain{
-  repeated Validator validators = 1;
+	repeated Validator validators = 1;
 }
 
 message RequestBeginBlock{
-  bytes hash = 1;
-  Header header = 2;
+	bytes hash = 1;
+	Header header = 2;
 }
 
 message RequestEndBlock{
-  uint64 height = 1;
+	uint64 height = 1;
 }
 
 //----------------------------------------
@@ -116,70 +116,70 @@ message RequestEndBlock{
 
 
 message Response {
-  oneof value{
-    ResponseException exception = 1;
-    ResponseEcho echo = 2;
-    ResponseFlush flush = 3;
-    ResponseInfo info = 4;
-    ResponseSetOption set_option = 5;
-    ResponseDeliverTx deliver_tx = 6;
-    ResponseCheckTx check_tx = 7;
-    ResponseCommit commit = 8;
-    ResponseQuery query = 9;
-    ResponseInitChain init_chain = 10;
-    ResponseBeginBlock begin_block = 11;
-    ResponseEndBlock end_block = 12;
-  }
+	oneof value{
+		ResponseException exception = 1;
+		ResponseEcho echo = 2;
+		ResponseFlush flush = 3;
+		ResponseInfo info = 4;
+		ResponseSetOption set_option = 5;
+		ResponseDeliverTx deliver_tx = 6;
+		ResponseCheckTx check_tx = 7;
+		ResponseCommit commit = 8;
+		ResponseQuery query = 9;
+		ResponseInitChain init_chain = 10;
+		ResponseBeginBlock begin_block = 11;
+		ResponseEndBlock end_block = 12;
+	}
 }
 
 message ResponseException{
-  string error = 1;
+	string error = 1;
 }
 
 message ResponseEcho {
-  string message = 1;
+	string message = 1;
 }
 
 message ResponseFlush{
 }
 
 message ResponseInfo {
-  string data = 1;
-  string version = 2;
-  uint64 last_block_height = 3;
-  bytes last_block_app_hash = 4;
+	string data = 1;
+	string version = 2;
+	uint64 last_block_height = 3;
+	bytes last_block_app_hash = 4;
 }
 
 message ResponseSetOption{
-  string log = 1;
+	string log = 1;
 }
 
 message ResponseDeliverTx{
-  CodeType          code        = 1;
-  bytes             data        = 2;
-  string            log         = 3;
+	CodeType          code        = 1;
+	bytes             data        = 2;
+	string            log         = 3;
 }
 
 message ResponseCheckTx{
-  CodeType          code        = 1;
-  bytes             data        = 2;
-  string            log         = 3;
+	CodeType          code        = 1;
+	bytes             data        = 2;
+	string            log         = 3;
 }
 
 message ResponseQuery{
-  CodeType          code        = 1;
-  int64             index       = 2;
-  bytes             key         = 3;
-  bytes             value       = 4;
-  bytes             proof       = 5;
-  uint64            height      = 6;
-  string            log         = 7;
+	CodeType          code        = 1;
+	int64             index       = 2;
+	bytes             key         = 3;
+	bytes             value       = 4;
+	bytes             proof       = 5;
+	uint64            height      = 6;
+	string            log         = 7;
 }
 
 message ResponseCommit{
-  CodeType          code        = 1;
-  bytes             data        = 2;
-  string            log         = 3;
+	CodeType          code        = 1;
+	bytes             data        = 2;
+	string            log         = 3;
 }
 
 
@@ -190,52 +190,52 @@ message ResponseBeginBlock{
 }
 
 message ResponseEndBlock{
-  repeated Validator diffs = 1;
+	repeated Validator diffs = 1;
 }
 
 //----------------------------------------
 // Blockchain Types
 
 message Header {
-  string chain_id = 1;
-  uint64 height = 2;
-  uint64 time = 3;
-  uint64 num_txs = 4;
-  BlockID last_block_id = 5;
-  bytes last_commit_hash = 6;
-  bytes data_hash = 7;
-  bytes validators_hash = 8;
-  bytes app_hash = 9;
+	string chain_id = 1;
+	uint64 height = 2;
+	uint64 time = 3;
+	uint64 num_txs = 4;
+	BlockID last_block_id = 5;
+	bytes last_commit_hash = 6;
+	bytes data_hash = 7;
+	bytes validators_hash = 8;
+	bytes app_hash = 9;
 }
 
 message BlockID {
-  bytes hash = 1;
-  PartSetHeader parts = 2;
+	bytes hash = 1;
+	PartSetHeader parts = 2;
 }
 
 message PartSetHeader {
-  uint64 total = 1;
-  bytes hash = 2;
+	uint64 total = 1;
+	bytes hash = 2;
 }
 
 message Validator {
-  bytes pubKey = 1;
-  uint64 power = 2;
+	bytes pubKey = 1;
+	uint64 power = 2;
 }
 
 //----------------------------------------
 // Service Definition
 
 service ABCIApplication {
-  rpc Echo(RequestEcho) returns (ResponseEcho) ;
-  rpc Flush(RequestFlush) returns (ResponseFlush);
-  rpc Info(RequestInfo) returns (ResponseInfo);
-  rpc SetOption(RequestSetOption) returns (ResponseSetOption);
-  rpc DeliverTx(RequestDeliverTx) returns (ResponseDeliverTx);
-  rpc CheckTx(RequestCheckTx) returns (ResponseCheckTx);
-  rpc Query(RequestQuery) returns (ResponseQuery);
-  rpc Commit(RequestCommit) returns (ResponseCommit);
-  rpc InitChain(RequestInitChain) returns (ResponseInitChain);
-  rpc BeginBlock(RequestBeginBlock) returns (ResponseBeginBlock);
-  rpc EndBlock(RequestEndBlock) returns (ResponseEndBlock);
+	rpc Echo(RequestEcho) returns (ResponseEcho) ;
+	rpc Flush(RequestFlush) returns (ResponseFlush);
+	rpc Info(RequestInfo) returns (ResponseInfo);
+	rpc SetOption(RequestSetOption) returns (ResponseSetOption);
+	rpc DeliverTx(RequestDeliverTx) returns (ResponseDeliverTx);
+	rpc CheckTx(RequestCheckTx) returns (ResponseCheckTx);
+	rpc Query(RequestQuery) returns (ResponseQuery);
+	rpc Commit(RequestCommit) returns (ResponseCommit);
+	rpc InitChain(RequestInitChain) returns (ResponseInitChain);
+	rpc BeginBlock(RequestBeginBlock) returns (ResponseBeginBlock);
+	rpc EndBlock(RequestEndBlock) returns (ResponseEndBlock);
 }