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-rw-r--r--whisper/whisperv6/envelope.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/whisper/whisperv6/envelope.go b/whisper/whisperv6/envelope.go
index 9ed712b93..6bc1f2c6b 100644
--- a/whisper/whisperv6/envelope.go
+++ b/whisper/whisperv6/envelope.go
@@ -115,6 +115,8 @@ func (e *Envelope) Seal(options *MessageParams) error {
return nil
}
+// PoW computes (if necessary) and returns the proof of work target
+// of the envelope.
func (e *Envelope) PoW() float64 {
if e.pow == 0 {
e.calculatePoW(0)