forked from TrueCloudLab/neoneo-go
046494dd68
* Implemented processing headers + added leveldb as a dependency. * version 0.7.0 * put glide get and install in build_cli section
43 lines
1 KiB
Go
43 lines
1 KiB
Go
package core
|
|
|
|
type dataEntry uint8
|
|
|
|
func (e dataEntry) add(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
|
|
}
|
|
|
|
func (e dataEntry) toSlice() []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
|
|
)
|
|
|
|
// 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
|
|
// by any Store.
|
|
type Batch map[*[]byte][]byte
|