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63 lines
1.0 KiB
63 lines
1.0 KiB
package merkle
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import (
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"fmt"
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)
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type Binary interface {
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ByteSize() int
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SaveTo([]byte) int
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}
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type Value interface {
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Binary
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}
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type Key interface {
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Binary
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Equals(b Key) bool
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Less(b Key) bool
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}
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type Tree interface {
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Root() Node
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Size() uint64
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Height() uint8
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Has(key Key) bool
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Get(key Key) Value
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Hash() (ByteSlice, uint64)
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Put(Key, Value)
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Remove(Key) (Value, error)
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}
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type Db interface {
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Get([]byte) []byte
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Put([]byte, []byte)
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}
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type Node interface {
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Binary
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Key() Key
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Value() Value
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Left(Db) Node
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Right(Db) Node
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Size() uint64
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Height() uint8
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Has(Db, Key) bool
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Get(Db, Key) Value
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Hash() (ByteSlice, uint64)
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Put(Db, Key, Value) (*IAVLNode, bool)
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Remove(Db, Key) (*IAVLNode, Value, error)
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}
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type NodeIterator func() Node
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func NotFound(key Key) error {
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return fmt.Errorf("Key was not found.")
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}
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