Add unit-tests for deterministic devnet keys (#1032)

* Add unit-tests for deterministic devnet keys

* Extend unit-tests to do full deterministic key checks

node/pkg/devnet/deterministic_bridge_key_test.go

@@ -0,0 +1,32 @@
+package devnet
+
+import (
+	"encoding/hex"
+	"fmt"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestDeterministicEcdsaKeyByIndex(t *testing.T) {
+	type test struct {
+		index      uint64
+		privKeyHex string
+	}
+
+	tests := []test{
+		{index: 0, privKeyHex: "cfb12303a19cde580bb4dd771639b0d26bc68353645571a8cff516ab2ee113a0"},
+		{index: 1, privKeyHex: "c3b2e45c422a1602333a64078aeb42637370b0f48fe385f9cfa6ad54a8e0c47e"},
+		{index: 2, privKeyHex: "9f790d3f08bc4b5cd910d4278f3deb406e57bb5e924906ccd52052bb078ccd47"},
+		{index: 3, privKeyHex: "b20cc49d6f2c82a5e6519015fc18aa3e562867f85f872c58f1277cfbd2a0c8e4"},
+	}
+
+	for _, tc := range tests {
+		t.Run(fmt.Sprint(tc.index), func(t *testing.T) {
+			privKey := DeterministicEcdsaKeyByIndex(crypto.S256(), tc.index)
+			got := crypto.FromECDSA(privKey)
+			assert.Equal(t, tc.privKeyHex, hex.EncodeToString(got))
+		})
+	}
+
+}

node/pkg/devnet/deterministic_p2p_key_test.go

@@ -0,0 +1,31 @@
+package devnet
+
+import (
+	"encoding/hex"
+	"fmt"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestDeterministicP2PPrivKeyByIndex(t *testing.T) {
+	type test struct {
+		index      int64
+		privKeyHex string
+	}
+
+	tests := []test{
+		{index: 0, privKeyHex: "0194fdc2fa2ffcc041d3ff12045b73c86e4ff95ff662a5eee82abdf44a2d0b7597f3bd871315281e8b83edc7a9fd0541066154449070ccdb3cdd42cf69ccde88"},
+		{index: 1, privKeyHex: "52fdfc072182654f163f5f0f9a621d729566c74d10037c4d7bbb0407d1e2c6496f1581709bb7b1ef030d210db18e3b0ba1c776fba65d8cdaad05415142d189f8"},
+		{index: 2, privKeyHex: "2f8282cbe2f9696f3144c0aa4ced56dbd967dc2897806af3bed8a63aca16e18b8ed90420802c83b41e4a7fa94ce5f05792ea8bff3d7a63572e5c73454eaef51d"},
+		{index: 3, privKeyHex: "85fbe72b6064289004a531f967898df5319ee02992fdd84021fa5052434bf6ee11bba3ed1721948cefb4e50b0a0bb5cad8a6b52dc7b1a40f4f6652105c91e2c4"},
+	}
+
+	for _, tc := range tests {
+		t.Run(fmt.Sprint(tc.index), func(t *testing.T) {
+			privKey := DeterministicP2PPrivKeyByIndex(tc.index)
+			got, _ := privKey.Raw()
+			assert.Equal(t, tc.privKeyHex, hex.EncodeToString(got))
+		})
+	}
+
+}