// New creates a new Ether APIs instance, connects with it to the Ethereum network
// via an embedded Geth instance and attaches an RPC in-process endpoint to it.
func New(datadir string, network geth.EthereumNetwork, address common.Address) (*EtherAPIs, error) {
// Create a Geth instance and boot it up
client, err := geth.New(datadir, network)
if err != nil {
return nil, err
}
if err := client.Start(); err != nil {
return nil, err
}
// Retrieve the underlying ethereum service and attach global RPC interface
var ethereum *eth.Ethereum
if err := client.Stack().Service(ðereum); err != nil {
return nil, err
}
api, err := client.Attach()
if err != nil {
return nil, err
}
// Assemble an interface around the consensus contract
contract, err := contract.New(ethereum.ChainDb(), ethereum.EventMux(), ethereum.BlockChain(), ethereum.Miner().PendingState)
if err != nil {
return nil, err
}
// Assemble and return the Ether APIs instance
return &EtherAPIs{
client: client,
ethereum: ethereum,
eventmux: client.Stack().EventMux(),
rpcapi: api,
contract: contract,
}, nil
}
func TestBlockChain(t *testing.T) {
tmp, repl, node := testJEthRE(t)
defer node.Stop()
defer os.RemoveAll(tmp)
// get current block dump before export/import.
val, err := repl.re.Run("JSON.stringify(debug.dumpBlock(eth.blockNumber))")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
beforeExport := val.String()
// do the export
extmp, err := ioutil.TempDir("", "geth-test-export")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(extmp)
tmpfile := filepath.Join(extmp, "export.chain")
tmpfileq := strconv.Quote(tmpfile)
var ethereum *eth.Ethereum
node.Service(ðereum)
ethereum.BlockChain().Reset()
checkEvalJSON(t, repl, `admin.exportChain(`+tmpfileq+`)`, `true`)
if _, err := os.Stat(tmpfile); err != nil {
t.Fatal(err)
}
// check import, verify that dumpBlock gives the same result.
checkEvalJSON(t, repl, `admin.importChain(`+tmpfileq+`)`, `true`)
checkEvalJSON(t, repl, `debug.dumpBlock(eth.blockNumber)`, beforeExport)
}
func processTxs(repl *testjethre, t *testing.T, expTxc int) bool {
var txc int64
var err error
for i := 0; i < 50; i++ {
txc, err = pendingTransactions(repl, t)
if err != nil {
t.Errorf("unexpected error checking pending transactions: %v", err)
return false
}
if expTxc < int(txc) {
t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc)
return false
} else if expTxc == int(txc) {
break
}
time.Sleep(100 * time.Millisecond)
}
if int(txc) != expTxc {
t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc)
return false
}
var ethereum *eth.Ethereum
repl.stack.Service(ðereum)
err = ethereum.StartMining(runtime.NumCPU(), "")
if err != nil {
t.Errorf("unexpected error mining: %v", err)
return false
}
defer ethereum.StopMining()
timer := time.NewTimer(100 * time.Second)
blockNr := ethereum.BlockChain().CurrentBlock().Number()
height := new(big.Int).Add(blockNr, big.NewInt(1))
repl.wait <- height
select {
case <-timer.C:
// if times out make sure the xeth loop does not block
go func() {
select {
case repl.wait <- nil:
case <-repl.wait:
}
}()
case <-repl.wait:
}
txc, err = pendingTransactions(repl, t)
if err != nil {
t.Errorf("unexpected error checking pending transactions: %v", err)
return false
}
if txc != 0 {
t.Errorf("%d trasactions were not mined", txc)
return false
}
return true
}
// 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
}
