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-rw-r--r--p2p/protocol.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/p2p/protocol.go b/p2p/protocol.go
index fe359fc54..5fa395eda 100644
--- a/p2p/protocol.go
+++ b/p2p/protocol.go
@@ -1,5 +1,7 @@
package p2p
+import "fmt"
+
// Protocol represents a P2P subprotocol implementation.
type Protocol struct {
// Name should contain the official protocol name,
@@ -37,6 +39,10 @@ func (cap Cap) RlpData() interface{} {
return []interface{}{cap.Name, cap.Version}
}
+func (cap Cap) String() string {
+ return fmt.Sprintf("%s/%d", cap.Name, cap.Version)
+}
+
type capsByName []Cap
func (cs capsByName) Len() int { return len(cs) }