vlad.diff

diff --git a/eth/backend.go b/eth/backend.go
index af120cb..80accdd 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -31,6 +31,7 @@ import (
 	"github.com/ethereum/ethash"
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
@@ -352,10 +353,25 @@ func (s *Ethereum) APIs() []rpc.API {
 			Version:   "1.0",
 			Service:   s.netRPCService,
 			Public:    true,
+		}, {
+			Namespace: "shh",
+			Version:   "0.1",
+			Service:   PublicWhisperAPI{},
+			Public:    true,
 		},
 	}...)
 }
 
+type PublicWhisperAPI struct{}
+
+func (PublicWhisperAPI) HelloWorld(data hexutil.Bytes) (hexutil.Bytes, error) {
+	return append(data, data...), nil
+}
+
+func (PublicWhisperAPI) HelloWorld2(data hexutil.Bytes) (hexutil.Bytes, error) {
+	return nil, fmt.Errorf("hello wold error")
+}
+
 func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
 	s.blockchain.ResetWithGenesisBlock(gb)
 }
diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go
index edbe45f..c5f5998 100644
--- a/internal/web3ext/web3ext.go
+++ b/internal/web3ext/web3ext.go
@@ -470,14 +470,25 @@ web3._extend({
 const Shh_JS = `
 web3._extend({
 	property: 'shh',
-	methods: [],
+	methods: [
+		new web3._extend.Method({
+			name:"helloWorld",
+			call: "shh_helloWorld",
+			params: 1,
+		}),
+		new web3._extend.Method({
+			name:"helloWorld2",
+			call: "shh_helloWorld2",
+			params: 1,
+		}),
+	],
 	properties:
 	[
 		new web3._extend.Property({
 			name: 'version',
 			getter: 'shh_version',
 			outputFormatter: web3._extend.utils.toDecimal
-		})
+		}),
 	]
 });
 `