44 lines
1 KiB
Go
44 lines
1 KiB
Go
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package core
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type dataEntry uint8
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func (e dataEntry) add(b []byte) []byte {
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dest := make([]byte, len(b)+1)
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dest[0] = byte(e)
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for i := 1; i < len(b); i++ {
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dest[i] = b[i]
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}
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return dest
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}
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func (e dataEntry) toSlice() []byte {
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return []byte{byte(e)}
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}
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// Storage data entry prefixes.
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const (
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preDataBlock dataEntry = 0x01
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preDataTransaction dataEntry = 0x02
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preSTAccount dataEntry = 0x40
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preSTCoin dataEntry = 0x44
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preSTValidator dataEntry = 0x48
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preSTAsset dataEntry = 0x4c
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preSTContract dataEntry = 0x50
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preSTStorage dataEntry = 0x70
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preIXHeaderHashList dataEntry = 0x80
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preIXValidatorsCount dataEntry = 0x90
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preSYSCurrentBlock dataEntry = 0xc0
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preSYSCurrentHeader dataEntry = 0xc1
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preSYSVersion dataEntry = 0xf0
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)
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// Store is anything that can persist and retrieve the blockchain.
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type Store interface {
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write(k, v []byte) error
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writeBatch(Batch) error
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}
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// Batch is a data type used to store data for later batch operations
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// by any Store.
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type Batch map[*[]byte][]byte
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