les: fix clientInfo deadlock (#20395)

zsfelfoldi · karalabe · commit 878e35bfde7c · 2019-11-26T12:17:15.000+02:00
diff --git a/les/api.go b/les/api.go
@@ -108,7 +108,7 @@ func (api *PrivateLightServerAPI) clientInfo(c *clientInfo, id enode.ID) map[str
 		info["priority"] = pb != 0
 	} else {
 		info["isConnected"] = false
-		pb := api.server.clientPool.getPosBalance(id)
+		pb := api.server.clientPool.ndb.getOrNewPB(id)
 		info["pricing/balance"], info["pricing/balanceMeta"] = pb.value, pb.meta
 		info["priority"] = pb.value != 0
 	}

Original file line number	Diff line number	Diff line change
`@@ -108,7 +108,7 @@ func (api PrivateLightServerAPI) clientInfo(c clientInfo, id enode.ID) map[str`
`108`	`108`	`info["priority"] = pb != 0`
`109`	`109`	`} else {`
`110`	`110`	`info["isConnected"] = false`
`111`		`- pb := api.server.clientPool.getPosBalance(id)`
	`111`	`+ pb := api.server.clientPool.ndb.getOrNewPB(id)`
`112`	`112`	`info["pricing/balance"], info["pricing/balanceMeta"] = pb.value, pb.meta`
`113`	`113`	`info["priority"] = pb.value != 0`
`114`	`114`	`}`