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/ethutil" "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()) != 2 { utils.Fatalf("This command requires two arguments.") } file, testname := ctx.Args()[0], ctx.Args()[1] 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) (ethutil.Database, error) { return ethdb.NewMemDatabase() } ethereum, err := eth.New(cfg) if err != nil { utils.Fatalf("%v", err) } // import the genesis block ethereum.ResetWithGenesisBlock(test.Genesis) // import pre accounts if err := test.InsertPreState(ethereum.StateDb()); 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, starting ethereum.") } startEth(ctx, ethereum) }