neoneo-go/pkg/core/state/spent_coin.go

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package state
import "github.com/nspcc-dev/neo-go/pkg/io"
// SpentCoin represents the state of a spent coin.
type SpentCoin struct {
TxHeight uint32
// A mapping between the index of the prevIndex and block height.
Items map[uint16]uint32
}
// NewSpentCoin returns a new SpentCoin object.
func NewSpentCoin(height uint32) *SpentCoin {
return &SpentCoin{
TxHeight: height,
Items: make(map[uint16]uint32),
}
}
// DecodeBinary implements Serializable interface.
func (s *SpentCoin) 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 *SpentCoin) 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)
}
}