neoneo-go/pkg/network/payload/headers.go
2020-01-10 11:14:27 +03:00

39 lines
781 B
Go

package payload
import (
"github.com/CityOfZion/neo-go/pkg/core"
"github.com/CityOfZion/neo-go/pkg/io"
)
// Headers payload.
type Headers struct {
Hdrs []*core.Header
}
// Users can at most request 2k header.
const (
MaxHeadersAllowed = 2000
)
// DecodeBinary implements Serializable interface.
func (p *Headers) DecodeBinary(br *io.BinReader) {
lenHeaders := br.ReadVarUint()
// C# node does it silently
if lenHeaders > MaxHeadersAllowed {
lenHeaders = MaxHeadersAllowed
}
p.Hdrs = make([]*core.Header, lenHeaders)
for i := 0; i < int(lenHeaders); i++ {
header := &core.Header{}
header.DecodeBinary(br)
p.Hdrs[i] = header
}
}
// EncodeBinary implements Serializable interface.
func (p *Headers) EncodeBinary(bw *io.BinWriter) {
bw.WriteArray(p.Hdrs)
}