/
work.go
50 lines (40 loc) · 816 Bytes
/
work.go
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package service
import (
"context"
"sync"
"./minipow"
)
var (
mu = sync.Mutex{}
)
type job struct {
Data []byte
Hash []byte
Nonce []byte
}
func doJob(ctx context.Context, rawData []byte, difficulty uint8) (*job, error) {
resultC := make(chan []byte)
quitC := make(chan struct{})
workData := make([]byte, len(rawData)+8)
copy(workData, rawData)
go minipow.Mine(workData, int(difficulty), resultC, quitC, nil)
var r []byte
select {
case <-ctx.Done():
quitC <- struct{}{}
return nil, ctx.Err()
case r = <-resultC:
}
j := &job{
Data: rawData,
Nonce: workData[len(workData)-8:],
Hash: r,
}
return j, nil
}
func checkJob(hash []byte, data []byte, nonce []byte) bool {
if hash == nil || data == nil || nonce == nil {
return false
}
return minipow.Check(hash, data, nonce)
}