types: pretty print validators

types/validators.go

@@ -2,6 +2,8 @@ package types
 
 import (
 	"bytes"
+
+	"github.com/tendermint/go-wire"
 )
 
 // validators implements sort
@@ -22,3 +24,18 @@ func (v Validators) Swap(i, j int) {
 	v[i] = v[j]
 	v[j] = v1
 }
+
+//-------------------------------------
+
+type validatorPretty struct {
+	PubKey []byte `json:"pub_key"`
+	Power  uint64 `json:"power"`
+}
+
+func ValidatorsString(vs Validators) string {
+	s := make([]validatorPretty, len(vs))
+	for i, v := range vs {
+		s[i] = validatorPretty{v.PubKey, v.Power}
+	}
+	return string(wire.JSONBytes(s))
+}