From d2027accdc6d15ef6fc0b5f0639a06c72ab54892 Mon Sep 17 00:00:00 2001
From: Jakub Freebit <49676311+jakub-freebit@users.noreply.github.com>
Date: Fri, 2 Sep 2022 23:53:58 +0900
Subject: [PATCH] mobile: register filter APIs (#25642)

This fixes a regression introduced in PR #25459.
---
 mobile/geth.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mobile/geth.go b/mobile/geth.go
index 204e29c8be..7dee93b77c 100644
--- a/mobile/geth.go
+++ b/mobile/geth.go
@@ -27,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
+	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/ethstats"
 	"github.com/ethereum/go-ethereum/internal/debug"
@@ -35,6 +36,7 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/nat"
 	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/rpc"
 )
 
 // NodeConfig represents the collection of configuration values to fine tune the Geth
@@ -200,6 +202,14 @@ func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) {
 			rawStack.Close()
 			return nil, fmt.Errorf("ethereum init: %v", err)
 		}
+		// Register log filter RPC API.
+		filterSystem := filters.NewFilterSystem(lesBackend.ApiBackend, filters.Config{
+			LogCacheSize: ethConf.FilterLogCacheSize,
+		})
+		rawStack.RegisterAPIs([]rpc.API{{
+			Namespace: "eth",
+			Service:   filters.NewFilterAPI(filterSystem, true),
+		}})
 		// If netstats reporting is requested, do it
 		if config.EthereumNetStats != "" {
 			if err := ethstats.New(rawStack, lesBackend.ApiBackend, lesBackend.Engine(), config.EthereumNetStats); err != nil {