// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// gethrpctest is a command to run the external RPC tests.
package main
import (
"flag"
"io/ioutil"
"log"
"os"
"os/signal"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/comms"
"github.com/ethereum/go-ethereum/tests"
"github.com/ethereum/go-ethereum/whisper"
"github.com/ethereum/go-ethereum/xeth"
)
const defaultTestKey = "b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291"
var (
testFile = flag.String("json", "", "Path to the .json test file to load")
testName = flag.String("test", "", "Name of the test from the .json file to run")
testKey = flag.String("key", defaultTestKey, "Private key of a test account to inject")
)
var (
ethereumServiceId = "ethereum"
whisperServiceId = "whisper"
)
func main() {
flag.Parse()
// Load the test suite to run the RPC against
tests, err := tests.LoadBlockTests(*testFile)
if err != nil {
log.Fatalf("Failed to load test suite: %v", err)
}
test, found := tests[*testName]
if !found {
log.Fatalf("Requested test (%s) not found within suite", *testName)
}
// Create the protocol stack to run the test with
keydir, err := ioutil.TempDir("", "")
if err != nil {
log.Fatalf("Failed to create temporary keystore directory: %v", err)
}
defer os.RemoveAll(keydir)
stack, err := MakeSystemNode(keydir, *testKey, test)
if err != nil {
log.Fatalf("Failed to assemble test stack: %v", err)
}
if err := stack.Start(); err != nil {
log.Fatalf("Failed to start test node: %v", err)
}
defer stack.Stop()
log.Println("Test node started...")
// Make sure the tests contained within the suite pass
if err := RunTest(stack, test); err != nil {
log.Fatalf("Failed to run the pre-configured test: %v", err)
}
log.Println("Initial test suite passed...")
// Start the RPC interface and wait until terminated
if err := StartRPC(stack); err != nil {
log.Fatalf("Failed to start RPC instarface: %v", err)
}
log.Println("RPC Interface started, accepting requests...")
quit := make(chan os.Signal, 1)
signal.Notify(quit, os.Interrupt)
<-quit
}
// MakeSystemNode configures a protocol stack for the RPC tests based on a given
// keystore path and initial pre-state.
func MakeSystemNode(keydir string, privkey string, test *tests.BlockTest) (*node.Node, error) {
// Create a networkless protocol stack
stack, err := node.New(&node.Config{NoDiscovery: true})
if err != nil {
return nil, err
}
// Create the keystore and inject an unlocked account if requested
keystore := crypto.NewKeyStorePassphrase(keydir, crypto.StandardScryptN, crypto.StandardScryptP)
accman := accounts.NewManager(keystore)
if len(privkey) > 0 {
key, err := crypto.HexToECDSA(privkey)
if err != nil {
return nil, err
}
if err := keystore.StoreKey(crypto.NewKeyFromECDSA(key), ""); err != nil {
return nil, err
}
if err := accman.Unlock(crypto.NewKeyFromECDSA(key).Address, ""); err != nil {
return nil, err
}
}
// Initialize and register the Ethereum protocol
db, _ := ethdb.NewMemDatabase()
if _, err := test.InsertPreState(db, accman); err != nil {
return nil, err
}
ethConf := ð.Config{
TestGenesisState: db,
TestGenesisBlock: test.Genesis,
AccountManager: accman,
}
if err := stack.Register(ethereumServiceId, func(ctx *node.ServiceContext) (node.Service, error) { return eth.New(ctx, ethConf) }); err != nil {
return nil, err
}
// Initialize and register the Whisper protocol
if err := stack.Register(whisperServiceId, func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
return nil, err
}
return stack, nil
}
// RunTest executes the specified test against an already pre-configured protocol
// stack to ensure basic checks pass before running RPC tests.
func RunTest(stack *node.Node, test *tests.BlockTest) error {
blockchain := stack.Service(ethereumServiceId).(*eth.Ethereum).BlockChain()
// Process the blocks and verify the imported headers
blocks, err := test.TryBlocksInsert(blockchain)
if err != nil {
return err
}
if err := test.ValidateImportedHeaders(blockchain, blocks); err != nil {
return err
}
// Retrieve the assembled state and validate it
stateDb, err := blockchain.State()
if err != nil {
return err
}
if err := test.ValidatePostState(stateDb); err != nil {
return err
}
return nil
}
// StartRPC initializes an RPC interface to the given protocol stack.
func StartRPC(stack *node.Node) error {
config := comms.HttpConfig{
ListenAddress: "127.0.0.1",
ListenPort: 8545,
}
xeth := xeth.New(stack, nil)
codec := codec.JSON
apis, err := api.ParseApiString(comms.DefaultHttpRpcApis, codec, xeth, stack)
if err != nil {
return err
}
return comms.StartHttp(config, codec, api.Merge(apis...))
}
