// MakeSystemNode configures a protocol stack for the RPC tests based on a given
// keystore path and initial pre-state.
func MakeSystemNode(keydir string, privkey string, test *tests.BlockTest) (*node.Node, error) {
// Create a networkless protocol stack
stack, err := node.New(&node.Config{
IPCPath: node.DefaultIPCEndpoint(),
HTTPHost: common.DefaultHTTPHost,
HTTPPort: common.DefaultHTTPPort,
HTTPModules: []string{"admin", "db", "exp", "debug", "miner", "net", "shh", "txpool", "personal", "web3"},
WSHost: common.DefaultWSHost,
WSPort: common.DefaultWSPort,
WSModules: []string{"admin", "db", "exp", "debug", "miner", "net", "shh", "txpool", "personal", "web3"},
NoDiscovery: true,
})
if err != nil {
return nil, err
}
// Create the keystore and inject an unlocked account if requested
accman := accounts.NewPlaintextManager(keydir)
if len(privkey) > 0 {
key, err := crypto.HexToECDSA(privkey)
if err != nil {
return nil, err
}
a, err := accman.ImportECDSA(key, "")
if err != nil {
return nil, err
}
if err := accman.Unlock(a, ""); err != nil {
return nil, err
}
}
// Initialize and register the Expanse protocol
db, _ := ethdb.NewMemDatabase()
if _, err := test.InsertPreState(db); err != nil {
return nil, err
}
ethConf := &exp.Config{
TestGenesisState: db,
TestGenesisBlock: test.Genesis,
ChainConfig: &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock},
AccountManager: accman,
}
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) { return exp.New(ctx, ethConf) }); err != nil {
return nil, err
}
// Initialize and register the Whisper protocol
if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
return nil, err
}
return stack, nil
}
func runOneBlockTest(ctx *cli.Context, test *tests.BlockTest) (*exp.Expanse, error) {
cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
db, _ := ethdb.NewMemDatabase()
cfg.NewDB = func(path string) (ethdb.Database, error) { return db, nil }
cfg.MaxPeers = 0 // disable network
cfg.Shh = false // disable whisper
cfg.NAT = nil // disable port mapping
expanse, err := exp.New(cfg)
if err != nil {
return nil, err
}
// import the genesis block
expanse.ResetWithGenesisBlock(test.Genesis)
// import pre accounts
_, err = test.InsertPreState(db, cfg.AccountManager)
if err != nil {
return expanse, fmt.Errorf("InsertPreState: %v", err)
}
cm := expanse.BlockChain()
validBlocks, err := test.TryBlocksInsert(cm)
if err != nil {
return expanse, fmt.Errorf("Block Test load error: %v", err)
}
newDB, err := cm.State()
if err != nil {
return expanse, fmt.Errorf("Block Test get state error: %v", err)
}
if err := test.ValidatePostState(newDB); err != nil {
return expanse, fmt.Errorf("post state validation failed: %v", err)
}
return expanse, test.ValidateImportedHeaders(cm, validBlocks)
}
// RunTest executes the specified test against an already pre-configured protocol
// stack to ensure basic checks pass before running RPC tests.
func RunTest(stack *node.Node, test *tests.BlockTest) error {
var expanse *exp.Expanse
stack.Service(&expanse)
blockchain := expanse.BlockChain()
// Process the blocks and verify the imported headers
blocks, err := test.TryBlocksInsert(blockchain)
if err != nil {
return err
}
if err := test.ValidateImportedHeaders(blockchain, blocks); err != nil {
return err
}
// Retrieve the assembled state and validate it
stateDb, err := blockchain.State()
if err != nil {
return err
}
if err := test.ValidatePostState(stateDb); err != nil {
return err
}
return nil
}
