4023661cf1
* added headersOp for safely processing headers * Better handling of protocol messages. * housekeeping + cleanup tests * Added more blockchain logic + unit tests * fixed unreachable error. * added structured logging for all (node) components. * added relay flag + bumped version
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package core
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
)
|
|
|
|
type dataEntry uint8
|
|
|
|
func (e dataEntry) bytes() []byte {
|
|
return []byte{byte(e)}
|
|
}
|
|
|
|
// Storage data entry prefixes.
|
|
const (
|
|
preDataBlock dataEntry = 0x01
|
|
preDataTransaction dataEntry = 0x02
|
|
preSTAccount dataEntry = 0x40
|
|
preSTCoin dataEntry = 0x44
|
|
preSTValidator dataEntry = 0x48
|
|
preSTAsset dataEntry = 0x4c
|
|
preSTContract dataEntry = 0x50
|
|
preSTStorage dataEntry = 0x70
|
|
preIXHeaderHashList dataEntry = 0x80
|
|
preIXValidatorsCount dataEntry = 0x90
|
|
preSYSCurrentBlock dataEntry = 0xc0
|
|
preSYSCurrentHeader dataEntry = 0xc1
|
|
preSYSVersion dataEntry = 0xf0
|
|
)
|
|
|
|
func makeEntryPrefixInt(e dataEntry, n int) []byte {
|
|
buf := new(bytes.Buffer)
|
|
binary.Write(buf, binary.LittleEndian, n)
|
|
return makeEntryPrefix(e, buf.Bytes())
|
|
}
|
|
|
|
func makeEntryPrefix(e dataEntry, b []byte) []byte {
|
|
dest := make([]byte, len(b)+1)
|
|
dest[0] = byte(e)
|
|
for i := 1; i < len(b); i++ {
|
|
dest[i] = b[i]
|
|
}
|
|
return dest
|
|
}
|
|
|
|
// Store is anything that can persist and retrieve the blockchain.
|
|
type Store interface {
|
|
write(k, v []byte) error
|
|
writeBatch(Batch) error
|
|
}
|
|
|
|
// Batch is a data type used to store data for later batch operations
|
|
// that can be used by any Store interface implementation.
|
|
type Batch map[*[]byte][]byte
|