NatSpec contracts in genesis block, end to end test (unfinished)

common/natspec/natspec_e2e_test.go

@@ -0,0 +1,143 @@
+package natspec
+
+import (
+	"fmt"
+	"io/ioutil"
+	"math/big"
+	"os"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/resolver"
+	"github.com/ethereum/go-ethereum/core"
+	//"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth"
+	xe "github.com/ethereum/go-ethereum/xeth"
+)
+
+type testFrontend struct {
+	t        *testing.T
+	ethereum *eth.Ethereum
+	xeth     *xe.XEth
+}
+
+func (f *testFrontend) UnlockAccount(acc []byte) bool {
+	f.t.Logf("Unlocking account %v\n", common.Bytes2Hex(acc))
+	f.ethereum.AccountManager().Unlock(acc, "password")
+	return true
+}
+
+func (testFrontend) ConfirmTransaction(message string) bool { return true }
+
+var port = 30300
+
+func testJEthRE(t *testing.T) (ethereum *eth.Ethereum, err error) {
+	os.RemoveAll("/tmp/eth/")
+	err = os.MkdirAll("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/", os.ModePerm)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	err = os.MkdirAll("/tmp/eth/data", os.ModePerm)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	ks := crypto.NewKeyStorePlain("/tmp/eth/keys")
+	ioutil.WriteFile("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/e273f01c99144c438695e10f24926dc1f9fbf62d",
+		[]byte(`{"Id":"RhRXD+fNRKS4jx+7ZfEsNA==","Address":"4nPwHJkUTEOGleEPJJJtwfn79i0=","PrivateKey":"h4ACVpe74uIvi5Cg/2tX/Yrm2xdr3J7QoMbMtNX2CNc="}`), os.ModePerm)
+
+	port++
+	ethereum, err = eth.New(&eth.Config{
+		DataDir:        "/tmp/eth",
+		AccountManager: accounts.NewManager(ks),
+		Port:           fmt.Sprintf("%d", port),
+		MaxPeers:       10,
+		Name:           "test",
+	})
+
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+
+	return
+}
+
+func (self *testFrontend) insertTx(addr, contract, fnsig string, args []string) {
+
+	hash := common.Bytes2Hex(crypto.Sha3([]byte(fnsig)))
+	data := "0x" + hash[0:8]
+	for _, arg := range args {
+		data = data + common.Bytes2Hex(common.Hex2BytesFixed(arg, 32))
+	}
+	self.t.Logf("Tx data: %v", data)
+	self.xeth.Transact(addr, contract, "100000000000", "100000", "100000", data)
+
+	cb := common.HexToAddress(addr)
+	stateDb := self.ethereum.ChainManager().State().Copy()
+
+	coinbase := stateDb.GetStateObject(cb)
+	coinbase.SetGasPool(big.NewInt(100000))
+	block := self.ethereum.ChainManager().NewBlock(cb)
+	txs := self.ethereum.TxPool().GetTransactions()
+	tx := txs[0]
+
+	_, gas, err := core.ApplyMessage(core.NewEnv(stateDb, self.ethereum.ChainManager(), tx, block), tx, coinbase)
+
+	self.t.Logf("ApplyMessage: gas %v  err %v", gas, err)
+
+	self.ethereum.TxPool().RemoveSet(txs)
+	self.xeth = self.xeth.WithState(stateDb)
+
+}
+
+func TestNatspecE2E(t *testing.T) {
+	ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	frontend := &testFrontend{t: t, ethereum: ethereum}
+	frontend.xeth = xe.New(ethereum, frontend)
+
+	addr := frontend.xeth.Coinbase()
+	if addr != "0x"+core.TestAccount {
+		t.Errorf("CoinBase %v does not match TestAccount 0x%v", addr, core.TestAccount)
+	}
+	t.Logf("CoinBase is %v", addr)
+
+	balance := frontend.xeth.BalanceAt(core.TestAccount)
+	if balance != core.TestBalance {
+		t.Errorf("Balance %v does not match TestBalance %v", balance, core.TestBalance)
+	}
+	t.Logf("Balance is %v", balance)
+
+	frontend.insertTx(addr, core.ContractAddrURLhint, "register(bytes32,bytes32)", []string{"1234", "5678"})
+
+	t.Logf("testcnt: %v", frontend.xeth.StorageAt(core.ContractAddrURLhint, "00"))
+
+	for i := 0; i < 10; i++ {
+		t.Logf("storage[%v] = %v", i, frontend.xeth.StorageAt("0x"+core.ContractAddrURLhint, fmt.Sprintf("%v", i)))
+	}
+
+	rsv := resolver.New(frontend.xeth, resolver.URLHintContractAddress, resolver.NameRegContractAddress)
+	url, err2 := rsv.ContentHashToUrl(common.BytesToHash(common.Hex2BytesFixed("1234", 32)))
+
+	t.Logf("URL: %v  err: %v", url, err2)
+
+	/*
+	   This test is unfinished; first we need to see the result of a
+	   transaction in the contract storage (testcnt should be 1).
+	*/
+
+}