types: RequestBeginBlock includes absent and byzantine validators

CHANGELOG.md

@@ -17,9 +17,10 @@ BREAKING CHANGES:
  - [abci-cli] codes are printed as their number instead of a message, except for `code == 0`, which is still printed as `OK`
 
 FEATURES:
- - [types] added Tags field to ResponseDeliverTx
- - [types] added Gas and Fee fields to ResponseCheckTx
- - [dummy] DeliverTx returns tags
+ - [types] ResponseDeliverTx: added `tags` field
+ - [types] ResponseCheckTx: added `gas` and `fee` fields
+ - [types] RequestBeginBlock: added `absent_validators` and `byzantine_validators` fields
+ - [dummy] DeliverTx returns an owner tag and a key tag
  - [abci-cli] added `log_level` flag to control the logger
 
 ## 0.7.1 (November 14, 2017)

Makefile

@@ -26,7 +26,7 @@ protoc:
 	## On "error while loading shared libraries: libprotobuf.so.14: cannot open shared object file: No such file or directory"
 	##   ldconfig (may require sudo)
 	## https://stackoverflow.com/a/25518702
-	protoc $(INCLUDE) --gogo_out=plugins=grpc:. types/*.proto
+	protoc $(INCLUDE) --gogo_out=plugins=grpc:. --lint_out=. types/*.proto
 
 install:
 	@ go install ./cmd/...
@@ -38,14 +38,14 @@ dist:
 	@ bash scripts/dist.sh
 	@ bash scripts/publish.sh
 
-test: 
+test:
 	@ find . -path ./vendor -prune -o -name "*.sock" -exec rm {} \;
 	@ echo "==> Running linter"
 	@ make metalinter_test
 	@ echo "==> Running go test"
 	@ go test $(PACKAGES)
 
-test_race: 
+test_race:
 	@ find . -path ./vendor -prune -o -name "*.sock" -exec rm {} \;
 	@ echo "==> Running go test --race"
 	@go test -v -race $(PACKAGES)

README.md

@@ -168,8 +168,10 @@ Here, we describe the requests and responses as function arguments and return va
   * __Arguments__:
     * `Hash ([]byte)`: The block's hash.  This can be derived from the block header.
     * `Header (struct{})`: The block header
+    * `AbsentValidators ([]int32)`: List of indices of validators not included in the LastCommit
+    * `ByzantineValidators ([]Evidence)`: List of evidence of validators that acted maliciously
   * __Usage__:<br/>
-    Signals the beginning of a new block. Called prior to any DeliverTxs. The header is expected to at least contain the Height.
+    Signals the beginning of a new block. Called prior to any DeliverTxs. The header is expected to at least contain the Height. The `AbsentValidators` and `ByzantineValidators` can be used to determine rewards and punishments for the validators.
 
 #### EndBlock
   * __Arguments__:

types/types.pb.go

@@ -37,6 +37,7 @@ It has these top-level messages:
 	BlockID
 	PartSetHeader
 	Validator
+	Evidence
 	KVPair
 */
 package types
@@ -81,7 +82,7 @@ var KVPair_Type_value = map[string]int32{
 func (x KVPair_Type) String() string {
 	return proto.EnumName(KVPair_Type_name, int32(x))
 }
-func (KVPair_Type) EnumDescriptor() ([]byte, []int) { return fileDescriptorTypes, []int{29, 0} }
+func (KVPair_Type) EnumDescriptor() ([]byte, []int) { return fileDescriptorTypes, []int{30, 0} }
 
 type Request struct {
 	// Types that are valid to be assigned to Value:
@@ -644,8 +645,10 @@ func (m *RequestInitChain) GetValidators() []*Validator {
 }
 
 type RequestBeginBlock struct {
-	Hash   []byte  `protobuf:"bytes,1,opt,name=hash,proto3" json:"hash,omitempty"`
-	Header *Header `protobuf:"bytes,2,opt,name=header" json:"header,omitempty"`
+	Hash                []byte      `protobuf:"bytes,1,opt,name=hash,proto3" json:"hash,omitempty"`
+	Header              *Header     `protobuf:"bytes,2,opt,name=header" json:"header,omitempty"`
+	AbsentValidators    []int32     `protobuf:"varint,3,rep,packed,name=absent_validators,json=absentValidators" json:"absent_validators,omitempty"`
+	ByzantineValidators []*Evidence `protobuf:"bytes,4,rep,name=byzantine_validators,json=byzantineValidators" json:"byzantine_validators,omitempty"`
 }
 
 func (m *RequestBeginBlock) Reset()                    { *m = RequestBeginBlock{} }
@@ -667,6 +670,20 @@ func (m *RequestBeginBlock) GetHeader() *Header {
 	return nil
 }
 
+func (m *RequestBeginBlock) GetAbsentValidators() []int32 {
+	if m != nil {
+		return m.AbsentValidators
+	}
+	return nil
+}
+
+func (m *RequestBeginBlock) GetByzantineValidators() []*Evidence {
+	if m != nil {
+		return m.ByzantineValidators
+	}
+	return nil
+}
+
 type RequestEndBlock struct {
 	Height int64 `protobuf:"varint,1,opt,name=height,proto3" json:"height,omitempty"`
 }
@@ -1536,6 +1553,30 @@ func (m *Validator) GetPower() int64 {
 	return 0
 }
 
+type Evidence struct {
+	PubKey []byte `protobuf:"bytes,1,opt,name=pub_key,json=pubKey,proto3" json:"pub_key,omitempty"`
+	Height int64  `protobuf:"varint,2,opt,name=height,proto3" json:"height,omitempty"`
+}
+
+func (m *Evidence) Reset()                    { *m = Evidence{} }
+func (m *Evidence) String() string            { return proto.CompactTextString(m) }
+func (*Evidence) ProtoMessage()               {}
+func (*Evidence) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{29} }
+
+func (m *Evidence) GetPubKey() []byte {
+	if m != nil {
+		return m.PubKey
+	}
+	return nil
+}
+
+func (m *Evidence) GetHeight() int64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
 type KVPair struct {
 	Key         string      `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 	ValueType   KVPair_Type `protobuf:"varint,2,opt,name=value_type,json=valueType,proto3,enum=types.KVPair_Type" json:"value_type,omitempty"`
@@ -1546,7 +1587,7 @@ type KVPair struct {
 func (m *KVPair) Reset()                    { *m = KVPair{} }
 func (m *KVPair) String() string            { return proto.CompactTextString(m) }
 func (*KVPair) ProtoMessage()               {}
-func (*KVPair) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{29} }
+func (*KVPair) Descriptor() ([]byte, []int) { return fileDescriptorTypes, []int{30} }
 
 func (m *KVPair) GetKey() string {
 	if m != nil {
@@ -1606,6 +1647,7 @@ func init() {
 	proto.RegisterType((*BlockID)(nil), "types.BlockID")
 	proto.RegisterType((*PartSetHeader)(nil), "types.PartSetHeader")
 	proto.RegisterType((*Validator)(nil), "types.Validator")
+	proto.RegisterType((*Evidence)(nil), "types.Evidence")
 	proto.RegisterType((*KVPair)(nil), "types.KVPair")
 	proto.RegisterEnum("types.KVPair_Type", KVPair_Type_name, KVPair_Type_value)
 }
@@ -2015,98 +2057,102 @@ var _ABCIApplication_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("types/types.proto", fileDescriptorTypes) }
 
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 }

types/types.proto

@@ -66,6 +66,8 @@ message RequestInitChain{
 message RequestBeginBlock{
   bytes hash = 1;
   Header header = 2;
+  repeated int32 absent_validators = 3;
+  repeated Evidence byzantine_validators = 4;
 }
 
 message RequestEndBlock{
@@ -187,6 +189,11 @@ message Validator {
   int64 power = 2;
 }
 
+message Evidence {
+  bytes pub_key = 1;
+  int64 height = 2;
+}
+
 //----------------------------------------
 // Abstract types