whisper/filter.go


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// Contains the message filter for fine grained subscriptions.

package whisper

import "crypto/ecdsa"

// Filter is used to subscribe to specific types of whisper messages.
type Filter struct {
    To     *ecdsa.PublicKey // Recipient of the message
    From   *ecdsa.PublicKey // Sender of the message
    Topics []Topic          // Topics to watch messages on
    Fn     func(*Message)   // Handler in case of a match
}