test(ethclient): port ethclient tests from upstream (#2060)

ethclient/example_test.go

@@ -0,0 +1,35 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package ethclient_test
+
+import (
+	"github.com/XinFinOrg/XDPoSChain/node"
+)
+
+var exampleNode *node.Node
+
+// launch example server
+func init() {
+	config := &node.Config{
+		HTTPHost: "127.0.0.1",
+	}
+	n, _, err := newTestBackend(config)
+	if err != nil {
+		panic("can't launch node: " + err.Error())
+	}
+	exampleNode = n
+}

params/config.go

@@ -346,7 +346,7 @@ var (
 	// This configuration is intentionally not using keyed fields to force anyone
 	// adding flags to the config to also have to set these fields.
 	AllXDPoSProtocolChanges = &ChainConfig{
-		ChainID:             big.NewInt(89),
+		ChainID:             big.NewInt(1337),
 		HomesteadBlock:      big.NewInt(0),
 		DAOForkBlock:        nil,
 		DAOForkSupport:      false,
@@ -366,7 +366,19 @@ var (
 		OsakaBlock:          big.NewInt(0),
 		Ethash:              nil,
 		Clique:              nil,
-		XDPoS:               &XDPoSConfig{Period: 0, Epoch: 900},
+		XDPoS: &XDPoSConfig{
+			Epoch:                900,
+			Gap:                  450,
+			SkipV1Validation:     true,
+			FoundationWalletAddr: common.HexToAddress("0x0000000000000000000000000000000000000068"),
+			Reward:               250,
+			V2: &V2{
+				SwitchEpoch:   1,
+				SwitchBlock:   big.NewInt(900),
+				CurrentConfig: UnitTestV2Configs[0],
+				AllConfigs:    UnitTestV2Configs,
+			},
+		},
 	}
 
 	// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced