db/prefixes/prefixes.go

@@ -594,10 +594,10 @@ class PendingActivationValue(typing.NamedTuple):
 
 type PendingActivationKey struct {
 	Prefix   []byte `json:"prefix"`
-	Height   int32  `json:"height"`
-	TxoType  int32  `json:"txo_height"`
-	TxNum    int32  `json:"tx_num"`
-	Position int32  `json:"position"`
+	Height   uint32 `json:"height"`
+	TxoType  uint8  `json:"txo_type"`
+	TxNum    uint32 `json:"tx_num"`
+	Position uint16 `json:"position"`
 }
 
 func (k *PendingActivationKey) IsSupport() bool {
@@ -613,6 +613,102 @@ type PendingActivationValue struct {
 	NormalizedName string `json:"normalized_name"`
 }
 
+func (k *PendingActivationKey) PackKey() []byte {
+	prefixLen := 1
+	// b'>LBLH'
+	n := prefixLen + 4 + 1 + 4 + 2
+	key := make([]byte, n)
+	copy(key, k.Prefix)
+	binary.BigEndian.PutUint32(key[prefixLen:], k.Height)
+	key[prefixLen+4] = k.TxoType
+	binary.BigEndian.PutUint32(key[prefixLen+5:], k.TxNum)
+	binary.BigEndian.PutUint16(key[prefixLen+9:], k.Position)
+
+	return key
+}
+
+func (v *PendingActivationValue) PackValue() []byte {
+	nameLen := len(v.NormalizedName)
+	n := 20 + 2 + nameLen
+	value := make([]byte, n)
+	copy(value, v.ClaimHash[:20])
+	binary.BigEndian.PutUint16(value[20:], uint16(nameLen))
+	copy(value[22:], []byte(v.NormalizedName))
+
+	return value
+}
+
+func PendingActivationKeyPackPartialNFields(nFields int) func(*PendingActivationKey) []byte {
+	return func(u *PendingActivationKey) []byte {
+		return PendingActivationKeyPackPartial(u, nFields)
+	}
+}
+
+func PendingActivationKeyPackPartial(k *PendingActivationKey, nFields int) []byte {
+	// Limit nFields between 0 and number of fields, we always at least need
+	// the prefix, and we never need to iterate past the number of fields.
+	if nFields > 4 {
+		nFields = 4
+	}
+	if nFields < 0 {
+		nFields = 0
+	}
+
+	// b'>4sLH'
+	prefixLen := 1
+	var n = prefixLen
+	for i := 0; i <= nFields; i++ {
+		switch i {
+		case 1:
+			n += 4
+		case 2:
+			n += 1
+		case 3:
+			n += 4
+		case 4:
+			n += 2
+		}
+	}
+
+	key := make([]byte, n)
+
+	for i := 0; i <= nFields; i++ {
+		switch i {
+		case 0:
+			copy(key, k.Prefix)
+		case 1:
+			binary.BigEndian.PutUint32(key[prefixLen:], k.Height)
+		case 2:
+			key[prefixLen+4] = k.TxoType
+		case 3:
+			binary.BigEndian.PutUint32(key[prefixLen+5:], k.TxNum)
+		case 4:
+			binary.BigEndian.PutUint16(key[prefixLen+9:], k.Position)
+		}
+	}
+
+	return key
+}
+
+func PendingActivationKeyUnpack(key []byte) *PendingActivationKey {
+	prefixLen := 1
+	return &PendingActivationKey{
+		Prefix:   key[:prefixLen],
+		Height:   binary.BigEndian.Uint32(key[prefixLen:]),
+		TxoType:  key[prefixLen+4],
+		TxNum:    binary.BigEndian.Uint32(key[prefixLen+5:]),
+		Position: binary.BigEndian.Uint16(key[prefixLen+9:]),
+	}
+}
+
+func PendingActivationValueUnpack(value []byte) *PendingActivationValue {
+	nameLen := binary.BigEndian.Uint16(value[20:])
+	return &PendingActivationValue{
+		ClaimHash:      value[:20],
+		NormalizedName: string(value[22 : 22+nameLen]),
+	}
+}
+
 /*
 class ActivationKey(typing.NamedTuple):
     txo_type: int
@@ -1612,8 +1708,9 @@ func UnpackGenericKey(key []byte) (byte, interface{}, error) {
 	case ClaimExpiration:
 
 	case ClaimTakeover:
-	case PendingActivation:
 		return 0x0, nil, errors.Base("key unpack function for %v not implemented", firstByte)
+	case PendingActivation:
+		return PendingActivation, PendingActivationKeyUnpack(key), nil
 	case ActivatedClaimAndSupport:
 		return ActivatedClaimAndSupport, ActivationKeyUnpack(key), nil
 	case ActiveAmount:
@@ -1675,8 +1772,9 @@ func UnpackGenericValue(key, value []byte) (byte, interface{}, error) {
 	case ClaimExpiration:
 
 	case ClaimTakeover:
-	case PendingActivation:
 		return 0x0, nil, errors.Base("value unpack not implemented for key %v", key)
+	case PendingActivation:
+		return PendingActivation, PendingActivationValueUnpack(value), nil
 	case ActivatedClaimAndSupport:
 		return ActivatedClaimAndSupport, ActivationValueUnpack(value), nil
 	case ActiveAmount:

db/prefixes/prefixes_test.go

@@ -44,6 +44,94 @@ func testInit(filePath string) (*grocksdb.DB, [][]string, func()) {
 	return db, records, toDefer
 }
 
+func TestPendingActivation(t *testing.T) {
+
+	filePath := "../../resources/pending_activation.csv"
+
+	wOpts := grocksdb.NewDefaultWriteOptions()
+	db, records, toDefer := testInit(filePath)
+	defer toDefer()
+	for _, record := range records {
+		key, err := hex.DecodeString(record[0])
+		if err != nil {
+			log.Println(err)
+		}
+		val, err := hex.DecodeString(record[1])
+		if err != nil {
+			log.Println(err)
+		}
+		db.Put(wOpts, key, val)
+	}
+	// test prefix
+	options := dbpkg.NewIterateOptions().WithPrefix([]byte{prefixes.PendingActivation}).WithIncludeValue(true)
+	ch := dbpkg.Iter(db, options)
+	var i = 0
+	for kv := range ch {
+		// log.Println(kv.Key)
+		gotKey := kv.Key.(*prefixes.PendingActivationKey).PackKey()
+
+		keyPartial1 := prefixes.PendingActivationKeyPackPartial(kv.Key.(*prefixes.PendingActivationKey), 1)
+		keyPartial2 := prefixes.PendingActivationKeyPackPartial(kv.Key.(*prefixes.PendingActivationKey), 2)
+		keyPartial3 := prefixes.PendingActivationKeyPackPartial(kv.Key.(*prefixes.PendingActivationKey), 3)
+		keyPartial4 := prefixes.PendingActivationKeyPackPartial(kv.Key.(*prefixes.PendingActivationKey), 4)
+
+		// Check pack partial for sanity
+		if !bytes.HasPrefix(gotKey, keyPartial1) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial1, gotKey)
+		}
+		if !bytes.HasPrefix(gotKey, keyPartial2) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial2, gotKey)
+		}
+		if !bytes.HasPrefix(gotKey, keyPartial3) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial3, gotKey)
+		}
+		if !bytes.HasPrefix(gotKey, keyPartial4) {
+			t.Errorf("%+v should be prefix of %+v\n", keyPartial4, gotKey)
+		}
+
+		got := kv.Value.(*prefixes.PendingActivationValue).PackValue()
+		wantKey, err := hex.DecodeString(records[i][0])
+		if err != nil {
+			log.Println(err)
+		}
+		want, err := hex.DecodeString(records[i][1])
+		if err != nil {
+			log.Println(err)
+		}
+		if !bytes.Equal(gotKey, wantKey) {
+			t.Errorf("gotKey: %+v, wantKey: %+v\n", got, want)
+		}
+		if !bytes.Equal(got, want) {
+			t.Errorf("got: %+v, want: %+v\n", got, want)
+		}
+		i++
+	}
+
+	// Test start / stop
+	start, err := hex.DecodeString(records[0][0])
+	if err != nil {
+		log.Println(err)
+	}
+	stop, err := hex.DecodeString(records[9][0])
+	if err != nil {
+		log.Println(err)
+	}
+	options2 := dbpkg.NewIterateOptions().WithStart(start).WithStop(stop).WithIncludeValue(true)
+	ch2 := dbpkg.Iter(db, options2)
+	i = 0
+	for kv := range ch2 {
+		got := kv.Value.(*prefixes.PendingActivationValue).PackValue()
+		want, err := hex.DecodeString(records[i][1])
+		if err != nil {
+			log.Println(err)
+		}
+		if !bytes.Equal(got, want) {
+			t.Errorf("got: %+v, want: %+v\n", got, want)
+		}
+		i++
+	}
+}
+
 func TestActivated(t *testing.T) {
 
 	filePath := "../../resources/activated_claim_and_support.csv"

main.go

@@ -38,7 +38,7 @@ func main() {
 
 		options := &db.IterOptions{
 			FillCache:    false,
-			Prefix:       []byte{prefixes.ActivatedClaimAndSupport},
+			Prefix:       []byte{prefixes.PendingActivation},
 			Start:        nil,
 			Stop:         nil,
 			IncludeStart: true,
@@ -49,7 +49,7 @@ func main() {
 			RawValue:     true,
 		}
 
-		db.ReadWriteRawN(dbVal, options, "./resources/activated_claim_and_support.csv", 10)
+		db.ReadWriteRawN(dbVal, options, "./resources/pending_activation.csv", 10)
 
 		return
 	}

resources/pending_activation.csv

@@ -0,0 +1,10 @@
+5100002e5002000059610000,04c7d5e2360f10ab8e28d5d831abb29b72cea3a8000c697473616469736173746572
+5100002e52020000596d0000,04c7d5e2360f10ab8e28d5d831abb29b72cea3a8000c697473616469736173746572
+5100005d570200025e360000,32d4fc78396c239f5c1a0a041242eebb2636750900036f6e65
+5100005d590200025e570001,c923ae766c269535048c06674261e546004375ab000374776f
+5100005d5a0200025e6a0001,c923ae766c269535048c06674261e546004375ab000374776f
+51000061e50200029e100000,a467b70b0a9ddba924d0a115206fe7c1cb25a3460003707567
+51000080a002000449380000,c6ddef5e005606bd816177c7f0cba2404c7191310006757465737432
+510000c3c102000864bb0000,32d4fc78396c239f5c1a0a041242eebb2636750900036f6e65
+510000fd8002000c380b0000,c2ba0ad053f45d77ae569a1b5c407bc213365fda00037a6564
+510001556c02001030b40000,467513d3a6eed0114964d751cd85ed49c8e3af4e000b776172616e647065616365