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util: move strange Read2000Uint256Hashes() into storage

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This commit is contained in:
Roman Khimov 2019-08-28 14:38:57 +03:00
parent 672668b9fb
commit 07096a551b
2 changed files with 14 additions and 14 deletions
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15
pkg/core/storage/helpers.go
View file

@ -1,6 +1,7 @@
package storage
import (
"bytes"
"encoding/binary"
"sort"
@ -55,7 +56,7 @@ func HeaderHashes(s Store) ([]util.Uint256, error) {
hashMap := make(map[uint32][]util.Uint256)
s.Seek(IXHeaderHashList.Bytes(), func(k, v []byte) {
storedCount := binary.LittleEndian.Uint32(k[1:])
hashes, err := util.Read2000Uint256Hashes(v)
hashes, err := read2000Uint256Hashes(v)
if err != nil {
panic(err)
}
@ -78,3 +79,15 @@ func HeaderHashes(s Store) ([]util.Uint256, error) {
return hashes, nil
}
// read2000Uint256Hashes attempts to read 2000 Uint256 hashes from
// the given byte array.
func read2000Uint256Hashes(b []byte) ([]util.Uint256, error) {
r := bytes.NewReader(b)
lenHashes := util.ReadVarUint(r)
hashes := make([]util.Uint256, lenHashes)
if err := binary.Read(r, binary.LittleEndian, hashes); err != nil {
return nil, err
}
return hashes, nil
}

13
pkg/util/io.go
View file

@ -1,7 +1,6 @@
package util
import (
"bytes"
"encoding/binary"
"io"
)
@ -89,15 +88,3 @@ func WriteVarBytes(w io.Writer, b []byte) error {
}
return binary.Write(w, binary.LittleEndian, b)
}
// Read2000Uint256Hashes attempt to read 2000 Uint256 hashes from
// the given byte array.
func Read2000Uint256Hashes(b []byte) ([]Uint256, error) {
r := bytes.NewReader(b)
lenHashes := ReadVarUint(r)
hashes := make([]Uint256, lenHashes)
if err := binary.Read(r, binary.LittleEndian, hashes); err != nil {
return nil, err
}
return hashes, nil
}