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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
}
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