add pluginPeerEval injection to eth/downloader/queue.go

eth/downloader/queue.go

@@ -720,6 +720,10 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, hashes []comm
 	q.lock.Lock()
 	defer q.lock.Unlock()
 
+	//begin PluGeth code injection
+	pluginPeerEval(id, headers, hashes)
+	//end PluGeth code injection
+
 	var logger log.Logger
 	if len(id) < 16 {
 		// Tests use short IDs, don't choke on them

eth/downloader/xplugeth_hooks.go

@@ -0,0 +1,14 @@
+package downloader
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/openrelayxyz/xplugeth"
+	"github.com/openrelayxyz/xplugeth/hooks/blockchain"
+)
+
+func pluginPeerEval(id string, headers []*types.Header, hashes []common.Hash) {
+	for _, m := range xplugeth.GetModules[blockchain.PeerEvalPlugin]() {
+		m.PeerEval(id, headers, hashes)
+	}
+}

internal/cli/server/xplugeth_imports.go

@@ -1,7 +1,5 @@
 package server
 
-// +build example_plugin
-
 import (
-	_ "github.com/openrelayxyz/xplugeth/plugins/example"
-)
+	_ "github.com/openrelayxyz/xplugeth/plugins/peerEval"
+)