cmd/geth: move blockchain commands to chaincmd.go

cmd/geth/blocktestcmd.go

@@ -0,0 +1,120 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/codegangsta/cli"
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/eth"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/tests"
+)
+
+var blocktestCommand = cli.Command{
+	Action: runBlockTest,
+	Name:   "blocktest",
+	Usage:  `loads a block test file`,
+	Description: `
+The first argument should be a block test file.
+The second argument is the name of a block test from the file.
+
+The block test will be loaded into an in-memory database.
+If loading succeeds, the RPC server is started. Clients will
+be able to interact with the chain defined by the test.
+`,
+}
+
+func runBlockTest(ctx *cli.Context) {
+	var (
+		file, testname string
+		rpc            bool
+	)
+	args := ctx.Args()
+	switch {
+	case len(args) == 1:
+		file = args[0]
+	case len(args) == 2:
+		file, testname = args[0], args[1]
+	case len(args) == 3:
+		file, testname = args[0], args[1]
+		rpc = true
+	default:
+		utils.Fatalf(`Usage: ethereum blocktest <path-to-test-file> [ <test-name> [ "rpc" ] ]`)
+	}
+	bt, err := tests.LoadBlockTests(file)
+	if err != nil {
+		utils.Fatalf("%v", err)
+	}
+
+	// run all tests if no test name is specified
+	if testname == "" {
+		ecode := 0
+		for name, test := range bt {
+			fmt.Printf("----------------- Running Block Test %q\n", name)
+			ethereum, err := runOneBlockTest(ctx, test)
+			if err != nil {
+				fmt.Println(err)
+				fmt.Println("FAIL")
+				ecode = 1
+			}
+			if ethereum != nil {
+				ethereum.Stop()
+				ethereum.WaitForShutdown()
+			}
+		}
+		os.Exit(ecode)
+		return
+	}
+	// otherwise, run the given test
+	test, ok := bt[testname]
+	if !ok {
+		utils.Fatalf("Test file does not contain test named %q", testname)
+	}
+	ethereum, err := runOneBlockTest(ctx, test)
+	if err != nil {
+		utils.Fatalf("%v", err)
+	}
+	defer ethereum.Stop()
+	if rpc {
+		fmt.Println("Block Test post state validated, starting RPC interface.")
+		startEth(ctx, ethereum)
+		utils.StartRPC(ethereum, ctx)
+		ethereum.WaitForShutdown()
+	}
+}
+
+func runOneBlockTest(ctx *cli.Context, test *tests.BlockTest) (*eth.Ethereum, error) {
+	cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
+	cfg.NewDB = func(path string) (common.Database, error) { return ethdb.NewMemDatabase() }
+	cfg.MaxPeers = 0 // disable network
+	cfg.Shh = false  // disable whisper
+	cfg.NAT = nil    // disable port mapping
+
+	ethereum, err := eth.New(cfg)
+	if err != nil {
+		return nil, err
+	}
+	if err := ethereum.Start(); err != nil {
+		return nil, err
+	}
+
+	// import the genesis block
+	ethereum.ResetWithGenesisBlock(test.Genesis)
+
+	// import pre accounts
+	statedb, err := test.InsertPreState(ethereum)
+	if err != nil {
+		return ethereum, fmt.Errorf("InsertPreState: %v", err)
+	}
+
+	if err := test.TryBlocksInsert(ethereum.ChainManager()); err != nil {
+		return ethereum, fmt.Errorf("Block Test load error: %v", err)
+	}
+
+	if err := test.ValidatePostState(statedb); err != nil {
+		return ethereum, fmt.Errorf("post state validation failed: %v", err)
+	}
+	return ethereum, nil
+}