ClaimToSupport
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parent
246a0445f7
commit
9262facd17
4 changed files with 185 additions and 7 deletions
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@ -477,12 +477,96 @@ class ClaimToSupportValue(typing.NamedTuple):
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type ClaimToSupportKey struct {
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Prefix []byte `json:"prefix"`
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ClaimHash []byte `json:"claim_hash"`
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TxNum int32 `json:"tx_num"`
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Position int32 `json:"position"`
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TxNum uint32 `json:"tx_num"`
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Position uint16 `json:"position"`
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}
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type ClaimToSupportValue struct {
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Amount int32 `json:"amount"`
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Amount uint64 `json:"amount"`
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}
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func (k *ClaimToSupportKey) PackKey() []byte {
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prefixLen := 1
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// b'>20sLH'
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n := prefixLen + 20 + 4 + 2
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key := make([]byte, n)
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copy(key, k.Prefix)
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copy(key[prefixLen:], k.ClaimHash[:20])
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binary.BigEndian.PutUint32(key[prefixLen+20:], k.TxNum)
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binary.BigEndian.PutUint16(key[prefixLen+24:], k.Position)
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return key
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}
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func (v *ClaimToSupportValue) PackValue() []byte {
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value := make([]byte, 8)
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binary.BigEndian.PutUint64(value, v.Amount)
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return value
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}
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func ClaimToSupportKeyPackPartialNFields(nFields int) func(*ClaimToSupportKey) []byte {
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return func(u *ClaimToSupportKey) []byte {
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return ClaimToSupportKeyPackPartial(u, nFields)
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}
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}
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func ClaimToSupportKeyPackPartial(k *ClaimToSupportKey, nFields int) []byte {
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// Limit nFields between 0 and number of fields, we always at least need
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// the prefix, and we never need to iterate past the number of fields.
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if nFields > 3 {
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nFields = 3
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}
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if nFields < 0 {
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nFields = 0
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}
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// b'>4sLH'
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prefixLen := 1
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var n = prefixLen
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for i := 0; i <= nFields; i++ {
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switch i {
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case 1:
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n += 20
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case 2:
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n += 4
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case 3:
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n += 2
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}
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}
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key := make([]byte, n)
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for i := 0; i <= nFields; i++ {
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switch i {
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case 0:
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copy(key, k.Prefix)
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case 1:
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copy(key[prefixLen:], k.ClaimHash)
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case 2:
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binary.BigEndian.PutUint32(key[prefixLen+20:], k.TxNum)
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case 3:
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binary.BigEndian.PutUint16(key[prefixLen+24:], k.Position)
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}
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}
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return key
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}
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func ClaimToSupportKeyUnpack(key []byte) *ClaimToSupportKey {
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prefixLen := 1
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return &ClaimToSupportKey{
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Prefix: key[:prefixLen],
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ClaimHash: key[prefixLen : prefixLen+20],
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TxNum: binary.BigEndian.Uint32(key[prefixLen+20:]),
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Position: binary.BigEndian.Uint16(key[prefixLen+24:]),
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}
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}
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func ClaimToSupportValueUnpack(value []byte) *ClaimToSupportValue {
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return &ClaimToSupportValue{
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Amount: binary.BigEndian.Uint64(value),
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}
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}
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/*
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@ -1938,7 +2022,7 @@ func UnpackGenericKey(key []byte) (byte, interface{}, error) {
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firstByte := key[0]
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switch firstByte {
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case ClaimToSupport:
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return 0x0, nil, errors.Base("key unpack function for %v not implemented", firstByte)
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return ClaimToSupport, ClaimToSupportKeyUnpack(key), nil
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case SupportToClaim:
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return SupportToClaim, SupportToClaimKeyUnpack(key), nil
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@ -2006,7 +2090,7 @@ func UnpackGenericValue(key, value []byte) (byte, interface{}, error) {
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firstByte := key[0]
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switch firstByte {
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case ClaimToSupport:
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return 0x0, nil, errors.Base("value unpack not implemented for key %v", key)
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return ClaimToSupport, ClaimToSupportValueUnpack(value), nil
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case SupportToClaim:
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return SupportToClaim, SupportToClaimValueUnpack(value), nil
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@ -44,6 +44,90 @@ func testInit(filePath string) (*grocksdb.DB, [][]string, func()) {
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return db, records, toDefer
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}
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func TestClaimToSupport(t *testing.T) {
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filePath := "../../resources/claim_to_support.csv"
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wOpts := grocksdb.NewDefaultWriteOptions()
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db, records, toDefer := testInit(filePath)
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defer toDefer()
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for _, record := range records {
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key, err := hex.DecodeString(record[0])
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if err != nil {
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log.Println(err)
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}
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val, err := hex.DecodeString(record[1])
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if err != nil {
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log.Println(err)
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}
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db.Put(wOpts, key, val)
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}
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// test prefix
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options := dbpkg.NewIterateOptions().WithPrefix([]byte{prefixes.ClaimToSupport}).WithIncludeValue(true)
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ch := dbpkg.Iter(db, options)
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var i = 0
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for kv := range ch {
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// log.Println(kv.Key)
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gotKey := kv.Key.(*prefixes.ClaimToSupportKey).PackKey()
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keyPartial1 := prefixes.ClaimToSupportKeyPackPartial(kv.Key.(*prefixes.ClaimToSupportKey), 1)
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keyPartial2 := prefixes.ClaimToSupportKeyPackPartial(kv.Key.(*prefixes.ClaimToSupportKey), 2)
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keyPartial3 := prefixes.ClaimToSupportKeyPackPartial(kv.Key.(*prefixes.ClaimToSupportKey), 3)
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// Check pack partial for sanity
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if !bytes.HasPrefix(gotKey, keyPartial1) {
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t.Errorf("%+v should be prefix of %+v\n", keyPartial1, gotKey)
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}
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if !bytes.HasPrefix(gotKey, keyPartial2) {
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t.Errorf("%+v should be prefix of %+v\n", keyPartial2, gotKey)
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}
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if !bytes.HasPrefix(gotKey, keyPartial3) {
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t.Errorf("%+v should be prefix of %+v\n", keyPartial3, gotKey)
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}
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got := kv.Value.(*prefixes.ClaimToSupportValue).PackValue()
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wantKey, err := hex.DecodeString(records[i][0])
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if err != nil {
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log.Println(err)
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}
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want, err := hex.DecodeString(records[i][1])
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if err != nil {
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log.Println(err)
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}
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if !bytes.Equal(gotKey, wantKey) {
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t.Errorf("gotKey: %+v, wantKey: %+v\n", got, want)
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}
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if !bytes.Equal(got, want) {
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t.Errorf("got: %+v, want: %+v\n", got, want)
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}
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i++
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}
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// Test start / stop
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start, err := hex.DecodeString(records[0][0])
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if err != nil {
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log.Println(err)
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}
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stop, err := hex.DecodeString(records[9][0])
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if err != nil {
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log.Println(err)
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}
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options2 := dbpkg.NewIterateOptions().WithStart(start).WithStop(stop).WithIncludeValue(true)
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ch2 := dbpkg.Iter(db, options2)
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i = 0
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for kv := range ch2 {
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got := kv.Value.(*prefixes.ClaimToSupportValue).PackValue()
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want, err := hex.DecodeString(records[i][1])
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if err != nil {
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log.Println(err)
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}
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if !bytes.Equal(got, want) {
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t.Errorf("got: %+v, want: %+v\n", got, want)
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}
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i++
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}
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}
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func TestSupportToClaim(t *testing.T) {
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filePath := "../../resources/support_to_claim.csv"
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4
main.go
4
main.go
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@ -38,7 +38,7 @@ func main() {
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options := &db.IterOptions{
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FillCache: false,
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Prefix: []byte{prefixes.SupportToClaim},
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Prefix: []byte{prefixes.ClaimToSupport},
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Start: nil,
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Stop: nil,
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IncludeStart: true,
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@ -49,7 +49,7 @@ func main() {
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RawValue: true,
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}
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db.ReadWriteRawN(dbVal, options, "./resources/support_to_claim.csv", 10)
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db.ReadWriteRawN(dbVal, options, "./resources/claim_to_support.csv", 10)
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return
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}
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10
resources/claim_to_support.csv
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10
resources/claim_to_support.csv
Normal file
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@ -0,0 +1,10 @@
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4b00000324e40fcb63a0b517a3660645e9bd99244a030bc8a50000,0000000001312d00
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6e2aa0126,0000000001ea252a
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6e7d20151,0000000005be6f7e
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6eeb6014d,0000000001eac106
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6eed00037,0000000001eac106
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6f4f00133,0000000001eac106
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6f4f001e5,0000000001eac106
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6f9b6013e,0000000001eac106
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6f9b7012f,0000000003d5820c
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4b000023415fc7ba8a470f0cdf4a66bffacd5ba97902c6f9b9001c,0000000003d5820c
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