neoneo-go/pkg/core/spent_coin_state.go
Roman Khimov 0e2bda4f21 core: drop txHash from SpentCoinState
It's a key for it, makes no sense storing it as data.
2020-03-09 16:58:21 +03:00

56 lines
1.3 KiB
Go

package core
import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/io"
)
// SpentCoinState represents the state of a spent coin.
type SpentCoinState struct {
txHeight uint32
// A mapping between the index of the prevIndex and block height.
items map[uint16]uint32
}
// spentCoin represents the state of a single spent coin output.
type spentCoin struct {
Output *transaction.Output
StartHeight uint32
EndHeight uint32
}
// NewSpentCoinState returns a new SpentCoinState object.
func NewSpentCoinState(height uint32) *SpentCoinState {
return &SpentCoinState{
txHeight: height,
items: make(map[uint16]uint32),
}
}
// DecodeBinary implements Serializable interface.
func (s *SpentCoinState) DecodeBinary(br *io.BinReader) {
s.txHeight = br.ReadU32LE()
s.items = make(map[uint16]uint32)
lenItems := br.ReadVarUint()
for i := 0; i < int(lenItems); i++ {
var (
key uint16
value uint32
)
key = br.ReadU16LE()
value = br.ReadU32LE()
s.items[key] = value
}
}
// EncodeBinary implements Serializable interface.
func (s *SpentCoinState) EncodeBinary(bw *io.BinWriter) {
bw.WriteU32LE(s.txHeight)
bw.WriteVarUint(uint64(len(s.items)))
for k, v := range s.items {
bw.WriteU16LE(k)
bw.WriteU32LE(v)
}
}