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// 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/>.
package main
import (
"fmt"
"os"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"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)
}
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) (ethdb.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
}
// import the genesis block
ethereum.ResetWithGenesisBlock(test.Genesis)
// import pre accounts
_, err = test.InsertPreState(ethereum)
if err != nil {
return ethereum, fmt.Errorf("InsertPreState: %v", err)
}
cm := ethereum.BlockChain()
validBlocks, err := test.TryBlocksInsert(cm)
if err != nil {
return ethereum, fmt.Errorf("Block Test load error: %v", err)
}
newDB := cm.State()
if err := test.ValidatePostState(newDB); err != nil {
return ethereum, fmt.Errorf("post state validation failed: %v", err)
}
return ethereum, test.ValidateImportedHeaders(cm, validBlocks)
}
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