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topic.go
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/
topic.go
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//<developer>
// <name>linapex 曹一峰</name>
// <email>linapex@163.com</email>
// <wx>superexc</wx>
// <qqgroup>128148617</qqgroup>
// <url>https://jsq.ink</url>
// <role>pku engineer</role>
// <date>2019-03-16 12:09:52</date>
//</624342691135623168>
//
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//
package whisperv6
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
)
//
//
//
type TopicType [TopicLength]byte
//
//
func BytesToTopic(b []byte) (t TopicType) {
sz := TopicLength
if x := len(b); x < TopicLength {
sz = x
}
for i := 0; i < sz; i++ {
t[i] = b[i]
}
return t
}
//
func (t *TopicType) String() string {
return common.ToHex(t[:])
}
//
func (t TopicType) MarshalText() ([]byte, error) {
return hexutil.Bytes(t[:]).MarshalText()
}
//
func (t *TopicType) UnmarshalText(input []byte) error {
return hexutil.UnmarshalFixedText("Topic", input, t[:])
}