config: fix addrbook path to go in config

p2p/pex/file.go

@@ -10,8 +10,8 @@ import (
 /* Loading & Saving */
 
 type addrBookJSON struct {
-	Key   string
-	Addrs []*knownAddress
+	Key   string          `json:"key"`
+	Addrs []*knownAddress `json:"addrs"`
 }
 
 func (a *addrBook) saveToFile(filePath string) {

p2p/pex/known_address.go

@@ -9,13 +9,13 @@ import (
 // knownAddress tracks information about a known network address
 // that is used to determine how viable an address is.
 type knownAddress struct {
-	Addr        *p2p.NetAddress
-	Src         *p2p.NetAddress
-	Attempts    int32
-	LastAttempt time.Time
-	LastSuccess time.Time
-	BucketType  byte
-	Buckets     []int
+	Addr        *p2p.NetAddress `json:"addr"`
+	Src         *p2p.NetAddress `json:"src"`
+	Attempts    int32           `json:"attempts"`
+	LastAttempt time.Time       `json:"last_attempt"`
+	LastSuccess time.Time       `json:"last_success"`
+	BucketType  byte            `json:"bucket_type"`
+	Buckets     []int           `json:"buckets"`
 }
 
 func newKnownAddress(addr *p2p.NetAddress, src *p2p.NetAddress) *knownAddress {