Use go-crypto CRand*

addrbook.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	. "github.com/tendermint/go-common"
+	"github.com/tendermint/go-crypto"
 )
 
 const (
@@ -109,7 +110,7 @@ func NewAddrBook(filePath string) *AddrBook {
 
 // When modifying this, don't forget to update loadFromFile()
 func (a *AddrBook) init() {
-	a.key = CRandHex(24) // 24/2 * 8 = 96 bits
+	a.key = crypto.CRandHex(24) // 24/2 * 8 = 96 bits
 	// New addr buckets
 	a.addrNew = make([]map[string]*knownAddress, newBucketCount)
 	for i := range a.addrNew {