added machine index time and implemented indexing

Signed-off-by: Lorenz Herzberger <lorenzherzberger@gmail.com>

proto/planetmintgo/machine/machine.proto

@@ -22,4 +22,11 @@ message Metadata {
   map<string, string> device = 2;
   map<string, string> assetDefinition = 3;
   string additionalDataCID = 4; 
+}
+
+message MachineIndex {
+
+  string machineId = 1;
+  string issuerPlanetmint = 2; 
+  string issuerLiquid = 3; 
 }

x/machine/keeper/machine.go

@@ -10,12 +10,19 @@ import (
 func (k Keeper) StoreMachine(ctx sdk.Context, machine types.Machine) {
 	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.MachineKey))
 	appendValue := k.cdc.MustMarshal(&machine)
+	k.StoreMachineIndex(ctx, machine)
 	store.Set(GetMachineBytes(machine.IssuerPlanetmint), appendValue)
 }
 
 func (k Keeper) GetMachine(ctx sdk.Context, pubKey string) (val types.Machine, found bool) {
+	index, found := k.GetMachineIndex(ctx, pubKey)
+	if !found {
+		return val, false
+	}
+
 	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.MachineKey))
-	machine := store.Get(GetMachineBytes(pubKey))
+	machine := store.Get(GetMachineBytes(index.IssuerPlanetmint))
+
 	if machine == nil {
 		return val, false
 	}
@@ -23,6 +30,35 @@ func (k Keeper) GetMachine(ctx sdk.Context, pubKey string) (val types.Machine, f
 	return val, true
 }
 
+func (k Keeper) StoreMachineIndex(ctx sdk.Context, machine types.Machine) {
+	indexStore := prefix.NewStore(ctx.KVStore(k.indexStoreKey), types.KeyPrefix(types.IndexKey))
+	index := types.MachineIndex{
+		MachineId:        machine.MachineId,
+		IssuerPlanetmint: machine.IssuerPlanetmint,
+		IssuerLiquid:     machine.IssuerPlanetmint,
+	}
+
+	machineIdIndexKey := GetMachineBytes(machine.MachineId)
+	issuerPlanetmintIndexKey := GetMachineBytes(machine.IssuerPlanetmint)
+	issuerLiquidIndexKey := GetMachineBytes(machine.IssuerLiquid)
+	indexAppendValue := k.cdc.MustMarshal(&index)
+	indexStore.Set(machineIdIndexKey, indexAppendValue)
+	indexStore.Set(issuerPlanetmintIndexKey, indexAppendValue)
+	indexStore.Set(issuerLiquidIndexKey, indexAppendValue)
+}
+
+func (k Keeper) GetMachineIndex(ctx sdk.Context, pubKey string) (val types.MachineIndex, found bool) {
+	indexStore := prefix.NewStore(ctx.KVStore(k.indexStoreKey), types.KeyPrefix(types.IndexKey))
+	index := indexStore.Get(GetMachineBytes(pubKey))
+
+	if index == nil {
+		return val, false
+	}
+
+	k.cdc.Unmarshal(index, &val)
+	return val, true
+}
+
 func GetMachineBytes(pubKey string) []byte {
 	return []byte(pubKey)
 }

x/machine/keeper/machine_test.go

@@ -1,6 +1,7 @@
 package keeper_test
 
 import (
+	"fmt"
 	"testing"
 
 	keepertest "planetmint-go/testutil/keeper"
@@ -14,15 +15,25 @@ import (
 func createNMachine(keeper *keeper.Keeper, ctx sdk.Context, n int) []types.Machine {
 	items := make([]types.Machine, n)
 	for i := range items {
-		// fill out machine
+		items[i].MachineId = fmt.Sprintf("machineId%v", i)
-		items[i].IssuerPlanetmint = "asd"
+		items[i].IssuerPlanetmint = fmt.Sprintf("issuerPlanetmint%v", i)
-		items[i].IssuerLiquid = "dsa"
+		items[i].IssuerLiquid = fmt.Sprintf("issuerLiquid%v", i)
 		keeper.StoreMachine(ctx, items[i])
 	}
 	return items
 }
 
-func TestGetMachine(t *testing.T) {
+func TestGetMachineById(t *testing.T) {
+	keeper, ctx := keepertest.MachineKeeper(t)
+	items := createNMachine(keeper, ctx, 10)
+	for _, item := range items {
+		machineById, found := keeper.GetMachine(ctx, item.MachineId)
+		assert.True(t, found)
+		assert.Equal(t, item, machineById)
+	}
+}
+
+func TestGetMachineByIssuerPlanetmint(t *testing.T) {
 	keeper, ctx := keepertest.MachineKeeper(t)
 	items := createNMachine(keeper, ctx, 10)
 	for _, item := range items {
@@ -31,3 +42,13 @@ func TestGetMachine(t *testing.T) {
 		assert.Equal(t, item, machineById)
 	}
 }
+
+func TestGetMachineByIssuerLiquid(t *testing.T) {
+	keeper, ctx := keepertest.MachineKeeper(t)
+	items := createNMachine(keeper, ctx, 10)
+	for _, item := range items {
+		machineById, found := keeper.GetMachine(ctx, item.IssuerLiquid)
+		assert.True(t, found)
+		assert.Equal(t, item, machineById)
+	}
+}

x/machine/types/machine.pb.go

@@ -198,12 +198,73 @@ func (m *Metadata) GetAdditionalDataCID() string {
 	return ""
 }
 
+type MachineIndex struct {
+	MachineId        string `protobuf:"bytes,1,opt,name=machineId,proto3" json:"machineId,omitempty"`
+	IssuerPlanetmint string `protobuf:"bytes,2,opt,name=issuerPlanetmint,proto3" json:"issuerPlanetmint,omitempty"`
+	IssuerLiquid     string `protobuf:"bytes,3,opt,name=issuerLiquid,proto3" json:"issuerLiquid,omitempty"`
+}
+
+func (m *MachineIndex) Reset()         { *m = MachineIndex{} }
+func (m *MachineIndex) String() string { return proto.CompactTextString(m) }
+func (*MachineIndex) ProtoMessage()    {}
+func (*MachineIndex) Descriptor() ([]byte, []int) {
+	return fileDescriptor_cd9f258b3d94bc1e, []int{2}
+}
+func (m *MachineIndex) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MachineIndex) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MachineIndex.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MachineIndex) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MachineIndex.Merge(m, src)
+}
+func (m *MachineIndex) XXX_Size() int {
+	return m.Size()
+}
+func (m *MachineIndex) XXX_DiscardUnknown() {
+	xxx_messageInfo_MachineIndex.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MachineIndex proto.InternalMessageInfo
+
+func (m *MachineIndex) GetMachineId() string {
+	if m != nil {
+		return m.MachineId
+	}
+	return ""
+}
+
+func (m *MachineIndex) GetIssuerPlanetmint() string {
+	if m != nil {
+		return m.IssuerPlanetmint
+	}
+	return ""
+}
+
+func (m *MachineIndex) GetIssuerLiquid() string {
+	if m != nil {
+		return m.IssuerLiquid
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*Machine)(nil), "planetmintgo.machine.Machine")
 	proto.RegisterType((*Metadata)(nil), "planetmintgo.machine.Metadata")
 	proto.RegisterMapType((map[string]string)(nil), "planetmintgo.machine.Metadata.AssetDefinitionEntry")
 	proto.RegisterMapType((map[string]string)(nil), "planetmintgo.machine.Metadata.DeviceEntry")
 	proto.RegisterMapType((map[string]string)(nil), "planetmintgo.machine.Metadata.GpsEntry")
+	proto.RegisterType((*MachineIndex)(nil), "planetmintgo.machine.MachineIndex")
 }
 
 func init() {
@@ -211,35 +272,36 @@ func init() {
 }
 
 var fileDescriptor_cd9f258b3d94bc1e = []byte{
-	// 436 bytes of a gzipped FileDescriptorProto
+	// 462 bytes of a gzipped FileDescriptorProto
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+	0xff, 0x02, 0x00, 0x00, 0xff, 0xff, 0x7d, 0x4f, 0x35, 0x26, 0xff, 0x03, 0x00, 0x00,
 }
 
 func (m *Machine) Marshal() (dAtA []byte, err error) {
@@ -414,6 +476,50 @@ func (m *Metadata) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *MachineIndex) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MachineIndex) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MachineIndex) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.IssuerLiquid) > 0 {
+		i -= len(m.IssuerLiquid)
+		copy(dAtA[i:], m.IssuerLiquid)
+		i = encodeVarintMachine(dAtA, i, uint64(len(m.IssuerLiquid)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.IssuerPlanetmint) > 0 {
+		i -= len(m.IssuerPlanetmint)
+		copy(dAtA[i:], m.IssuerPlanetmint)
+		i = encodeVarintMachine(dAtA, i, uint64(len(m.IssuerPlanetmint)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.MachineId) > 0 {
+		i -= len(m.MachineId)
+		copy(dAtA[i:], m.MachineId)
+		i = encodeVarintMachine(dAtA, i, uint64(len(m.MachineId)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintMachine(dAtA []byte, offset int, v uint64) int {
 	offset -= sovMachine(v)
 	base := offset
@@ -504,6 +610,27 @@ func (m *Metadata) Size() (n int) {
 	return n
 }
 
+func (m *MachineIndex) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.MachineId)
+	if l > 0 {
+		n += 1 + l + sovMachine(uint64(l))
+	}
+	l = len(m.IssuerPlanetmint)
+	if l > 0 {
+		n += 1 + l + sovMachine(uint64(l))
+	}
+	l = len(m.IssuerLiquid)
+	if l > 0 {
+		n += 1 + l + sovMachine(uint64(l))
+	}
+	return n
+}
+
 func sovMachine(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -1276,6 +1403,152 @@ func (m *Metadata) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MachineIndex) 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 ErrIntOverflowMachine
+			}
+			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: MachineIndex: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MachineIndex: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MachineId", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMachine
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMachine
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthMachine
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.MachineId = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IssuerPlanetmint", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMachine
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMachine
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthMachine
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.IssuerPlanetmint = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field IssuerLiquid", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMachine
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMachine
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthMachine
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.IssuerLiquid = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipMachine(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthMachine
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipMachine(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0