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.ChainManager()
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)
}
// 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 ethereum *eth.Ethereum
stack.Service(ðereum)
blockchain := ethereum.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
}