whisper/common_test.go


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// Contains some common utility functions for testing.

package whisper

import (
    "fmt"
    "math/rand"

    "github.com/ethereum/go-ethereum/p2p"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/p2p/discover"
)

// randomNodeID generates and returns a random P2P discovery node id for the
// whisper tests.
func randomNodeID() (id discover.NodeID) {
    for i := range id {
        id[i] = byte(rand.Intn(255))
    }
    return id
}

// randomNodeName generates and returns a random P2P node name for the whisper
// tests.
func randomNodeName() string {
    return common.MakeName(fmt.Sprintf("whisper-go-test-%3d", rand.Intn(999)), "1.0")
}

// whisperCaps returns the node capabilities for running the whisper sub-protocol.
func whisperCaps() []p2p.Cap {
    return []p2p.Cap{
        p2p.Cap{
            Name:    protocolName,
            Version: uint(protocolVersion),
        },
    }
}