add trust anchor type to machine module

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

app/app.go

@@ -533,6 +533,7 @@ func New(
 		keys[machinemoduletypes.TAIndexKey],
 		keys[machinemoduletypes.IssuerPlanetmintIndexKey],
 		keys[machinemoduletypes.IssuerLiquidIndexKey],
+		keys[machinemoduletypes.TrustAnchorKey],
 		keys[machinemoduletypes.MemStoreKey],
 		app.GetSubspace(machinemoduletypes.ModuleName),
 	)

proto/planetmintgo/machine/machine.proto

@@ -31,3 +31,7 @@ message MachineIndex {
   string issuerPlanetmint = 2; 
   string issuerLiquid = 3; 
 }
+
+message TrustAnchor {
+  string pubkey = 1;
+}

testutil/keeper/machine.go

@@ -23,6 +23,7 @@ func MachineKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 	taIndexStoreKey := sdk.NewKVStoreKey(types.TAIndexKey)
 	issuerPlanetmintIndexStoreKey := sdk.NewKVStoreKey(types.IssuerPlanetmintIndexKey)
 	issuerLiquidIndexStoreKey := sdk.NewKVStoreKey(types.IssuerLiquidIndexKey)
+	trustAnchorStoreKey := sdk.NewKVStoreKey(types.TrustAnchorKey)
 	memStoreKey := storetypes.NewMemoryStoreKey(types.MemStoreKey)
 
 	db := tmdb.NewMemDB()
@@ -31,6 +32,7 @@ func MachineKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 	stateStore.MountStoreWithDB(taIndexStoreKey, storetypes.StoreTypeIAVL, db)
 	stateStore.MountStoreWithDB(issuerPlanetmintIndexStoreKey, storetypes.StoreTypeIAVL, db)
 	stateStore.MountStoreWithDB(issuerLiquidIndexStoreKey, storetypes.StoreTypeIAVL, db)
+	stateStore.MountStoreWithDB(trustAnchorStoreKey, storetypes.StoreTypeIAVL, db)
 	stateStore.MountStoreWithDB(memStoreKey, storetypes.StoreTypeMemory, nil)
 	require.NoError(t, stateStore.LoadLatestVersion())
 
@@ -50,6 +52,7 @@ func MachineKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 		taIndexStoreKey,
 		issuerPlanetmintIndexStoreKey,
 		issuerLiquidIndexStoreKey,
+		trustAnchorStoreKey,
 		memStoreKey,
 		paramsSubspace,
 	)

x/machine/keeper/keeper.go

@@ -19,6 +19,7 @@ type (
 		taIndexStoreKey               storetypes.StoreKey
 		issuerPlanetmintIndexStoreKey storetypes.StoreKey
 		issuerLiquidIndexStoreKey     storetypes.StoreKey
+		taStoreKey                    storetypes.StoreKey
 		memKey                        storetypes.StoreKey
 		paramstore                    paramtypes.Subspace
 	}
@@ -30,6 +31,7 @@ func NewKeeper(
 	indexStoreKey,
 	issuerPlanetmintIndexStoreKey,
 	issuerLiquidIndexStoreKey,
+	taStoreKey,
 	memKey storetypes.StoreKey,
 	ps paramtypes.Subspace,
 ) *Keeper {
@@ -44,6 +46,7 @@ func NewKeeper(
 		taIndexStoreKey:               indexStoreKey,
 		issuerPlanetmintIndexStoreKey: issuerPlanetmintIndexStoreKey,
 		issuerLiquidIndexStoreKey:     issuerLiquidIndexStoreKey,
+		taStoreKey:                    taStoreKey,
 		memKey:                        memKey,
 		paramstore:                    ps,
 	}

x/machine/keeper/trust_anchor.go

@@ -0,0 +1,31 @@
+package keeper
+
+import (
+	"planetmint-go/x/machine/types"
+
+	"github.com/cosmos/cosmos-sdk/store/prefix"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func (k Keeper) StoreTrustAnchor(ctx sdk.Context, ta types.TrustAnchor) {
+	store := prefix.NewStore(ctx.KVStore(k.taStoreKey), types.KeyPrefix(types.TrustAnchorKey))
+	appendValue := k.cdc.MustMarshal(&ta)
+	store.Set(GetTrustAnchorBytes(ta.Pubkey), appendValue)
+}
+
+func (k Keeper) GetTrustAnchor(ctx sdk.Context, pubKey string) (val types.TrustAnchor, found bool) {
+	store := prefix.NewStore(ctx.KVStore(k.taStoreKey), types.KeyPrefix(types.TrustAnchorKey))
+	trustAnchor := store.Get(GetTrustAnchorBytes(pubKey))
+
+	if trustAnchor == nil {
+		return val, false
+	}
+	if err := k.cdc.Unmarshal(trustAnchor, &val); err != nil {
+		return val, false
+	}
+	return val, true
+}
+
+func GetTrustAnchorBytes(pubKey string) []byte {
+	return []byte(pubKey)
+}

x/machine/types/keys.go

@@ -20,6 +20,8 @@ const (
 	IssuerPlanetmintIndexKey = "Machine/IssuerPlanetmintIndex/"
 
 	IssuerLiquidIndexKey = "Machine/IssuerLiquidIndex/"
+
+	TrustAnchorKey = "Machine/trustAnchor/"
 )
 
 func KeyPrefix(p string) []byte {

x/machine/types/machine.pb.go

@@ -274,10 +274,55 @@ func (m *MachineIndex) GetIssuerLiquid() string {
 	return ""
 }
 
+type TrustAnchor struct {
+	Pubkey string `protobuf:"bytes,1,opt,name=pubkey,proto3" json:"pubkey,omitempty"`
+}
+
+func (m *TrustAnchor) Reset()         { *m = TrustAnchor{} }
+func (m *TrustAnchor) String() string { return proto.CompactTextString(m) }
+func (*TrustAnchor) ProtoMessage()    {}
+func (*TrustAnchor) Descriptor() ([]byte, []int) {
+	return fileDescriptor_1bb279745bef7c4b, []int{3}
+}
+func (m *TrustAnchor) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *TrustAnchor) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_TrustAnchor.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 *TrustAnchor) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_TrustAnchor.Merge(m, src)
+}
+func (m *TrustAnchor) XXX_Size() int {
+	return m.Size()
+}
+func (m *TrustAnchor) XXX_DiscardUnknown() {
+	xxx_messageInfo_TrustAnchor.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TrustAnchor proto.InternalMessageInfo
+
+func (m *TrustAnchor) GetPubkey() string {
+	if m != nil {
+		return m.Pubkey
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*Machine)(nil), "planetmintgo.machine.Machine")
 	proto.RegisterType((*Metadata)(nil), "planetmintgo.machine.Metadata")
 	proto.RegisterType((*MachineIndex)(nil), "planetmintgo.machine.MachineIndex")
+	proto.RegisterType((*TrustAnchor)(nil), "planetmintgo.machine.TrustAnchor")
 }
 
 func init() {
@@ -285,32 +330,34 @@ func init() {
 }
 
 var fileDescriptor_1bb279745bef7c4b = []byte{
-	// 394 bytes of a gzipped FileDescriptorProto
+	// 417 bytes of a gzipped FileDescriptorProto
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+	0x00,
 }
 
 func (m *Machine) Marshal() (dAtA []byte, err error) {
@@ -510,6 +557,36 @@ func (m *MachineIndex) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *TrustAnchor) 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 *TrustAnchor) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *TrustAnchor) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Pubkey) > 0 {
+		i -= len(m.Pubkey)
+		copy(dAtA[i:], m.Pubkey)
+		i = encodeVarintMachine(dAtA, i, uint64(len(m.Pubkey)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintMachine(dAtA []byte, offset int, v uint64) int {
 	offset -= sovMachine(v)
 	base := offset
@@ -616,6 +693,19 @@ func (m *MachineIndex) Size() (n int) {
 	return n
 }
 
+func (m *TrustAnchor) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Pubkey)
+	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
 }
@@ -1301,6 +1391,88 @@ func (m *MachineIndex) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *TrustAnchor) 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: TrustAnchor: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TrustAnchor: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pubkey", 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.Pubkey = 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