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package main
import (
"fmt"
"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/common"
"github.com/ethereum/go-ethereum/tests"
)
var blocktestCmd = 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) {
if len(ctx.Args()) != 3 {
utils.Fatalf("Usage: ethereum blocktest <path-to-test-file> <test-name> {rpc, norpc}")
}
file, testname, startrpc := ctx.Args()[0], ctx.Args()[1], ctx.Args()[2]
bt, err := tests.LoadBlockTests(file)
if err != nil {
utils.Fatalf("%v", err)
}
test, ok := bt[testname]
if !ok {
utils.Fatalf("Test file does not contain test named %q", testname)
}
cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
cfg.NewDB = func(path string) (common.Database, error) { return ethdb.NewMemDatabase() }
cfg.MaxPeers = 0 // disable network
ethereum, err := eth.New(cfg)
if err != nil {
utils.Fatalf("%v", err)
}
// import the genesis block
ethereum.ResetWithGenesisBlock(test.Genesis)
// import pre accounts
statedb, err := test.InsertPreState(ethereum.StateDb())
if err != nil {
utils.Fatalf("could not insert genesis accounts: %v", err)
}
// insert the test blocks, which will execute all transactions
chain := ethereum.ChainManager()
if err := chain.InsertChain(test.Blocks); err != nil {
utils.Fatalf("Block Test load error: %v", err)
} else {
fmt.Println("Block Test chain loaded")
}
if err := test.ValidatePostState(statedb); err != nil {
utils.Fatalf("post state validation failed: %v", err)
}
fmt.Println("Block Test post state validated, starting ethereum.")
if startrpc == "rpc" {
startEth(ctx, ethereum)
utils.StartRPC(ethereum, ctx)
ethereum.WaitForShutdown()
} else {
startEth(ctx, ethereum)
}
}
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