Merge pull request ethereum#153 from dinhln89/randomize

Randomization implementation

cmd/tomo/dao_test.go

@@ -77,7 +77,7 @@ var daoProForkGenesis = `{
 	}
 }`
 
-var daoGenesisHash = common.HexToHash("5e1fc79cb4ffa4739177b5408045cd5d51c6cf766133f23f7cd72ee1f8d790e0")
+var daoGenesisHash = common.HexToHash("f2ea0466bf5a07cb7407474d9fbaae6e275127f038ca57a673b833234204f4fd")
 var daoGenesisForkBlock = big.NewInt(314)
 
 // TestDAOForkBlockNewChain tests that the DAO hard-fork number and the nodes support/opposition is correctly
@@ -127,10 +127,11 @@ func testDAOForkBlockNewChain(t *testing.T, test int, genesis string, expectBloc
 	}
 	defer db.Close()
 
-	genesisHash := common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
+	genesisHash := common.HexToHash("2efa267fef46877ac2659209e2299f97b0afc2a797ee8672db21920a5151e0aa")
 	if genesis != "" {
 		genesisHash = daoGenesisHash
 	}
+	t.Log("genesisHash", genesisHash.String())
 	config, err := core.GetChainConfig(db, genesisHash)
 	if err != nil {
 		t.Errorf("test %d: failed to retrieve chain config: %v", test, err)

common/constants.go

@@ -0,0 +1,14 @@
+package common
+
+const (
+	RewardMasterPercent     = 40
+	RewardVoterPercent      = 50
+	RewardFoundationPercent = 10
+	HexSignMethod           = "e341eaa4"
+	HexSetSecret            = "34d38600"
+	HexSetOpening           = "e11f5ba2"
+	EpocBlockSecret         = 800
+	EpocBlockOpening        = 850
+	EpocBlockRandomize      = 900
+	MaxMasternodes          = 150
+)

contracts/randomize/randomize_test.go

@@ -24,19 +24,25 @@ import (
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/contracts"
 	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 )
 
 var (
-	key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
-	addr   = crypto.PubkeyToAddress(key.PublicKey)
-	byte0  = make([][32]byte, 2)
+	epocNumber = int64(12)
+	key, _     = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+	addr       = crypto.PubkeyToAddress(key.PublicKey)
+	byte0      = make([][32]byte, epocNumber)
+	acc1Key, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
+	acc1Addr   = crypto.PubkeyToAddress(acc1Key.PublicKey)
 )
 
 func TestRandomize(t *testing.T) {
-	contractBackend := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000)}})
+	contractBackend := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(100000000000000)}})
 	transactOpts := bind.NewKeyedTransactor(key)
+	transactOpts.GasLimit = 1000000
 
 	randomizeAddress, randomize, err := DeployRandomize(transactOpts, contractBackend, big.NewInt(2))
 	t.Log("contract address", randomizeAddress.String())
@@ -55,11 +61,80 @@ func TestRandomize(t *testing.T) {
 		return true
 	}
 	contractBackend.ForEachStorageAt(ctx, randomizeAddress, nil, f)
-
 	s, err := randomize.SetSecret(byte0)
 	if err != nil {
-		t.Fatalf("can't get secret: %v", err)
+		t.Fatalf("can't set secret: %v", err)
 	}
 	t.Log("tx data", s)
 	contractBackend.Commit()
 }
+
+func TestSendTxRandomizeSecretAndOpening(t *testing.T) {
+	genesis := core.GenesisAlloc{acc1Addr: {Balance: big.NewInt(1000000000000)}}
+	backend := backends.NewSimulatedBackend(genesis)
+	backend.Commit()
+	signer := types.HomesteadSigner{}
+	ctx := context.Background()
+
+	transactOpts := bind.NewKeyedTransactor(acc1Key)
+	transactOpts.GasLimit = 4200000
+	epocNumber := uint64(900)
+	randomizeAddr, randomizeContract, err := DeployRandomize(transactOpts, backend, new(big.Int).SetInt64(0))
+	if err != nil {
+		t.Fatalf("Can't deploy randomize SC: %v", err)
+	}
+	backend.Commit()
+
+	nonce := uint64(1)
+	randomizeKeyValue := contracts.RandStringByte(32)
+	tx, err := contracts.BuildTxSecretRandomize(nonce, randomizeAddr, epocNumber, randomizeKeyValue)
+	if err != nil {
+		t.Fatalf("Can't create tx randomize secret: %v", err)
+	}
+	tx, err = types.SignTx(tx, signer, acc1Key)
+	if err != nil {
+		t.Fatalf("Can't sign tx randomize secret: %v", err)
+	}
+
+	err = backend.SendTransaction(ctx, tx)
+	if err != nil {
+		t.Fatalf("Can't send tx for create randomize secret: %v", err)
+	}
+	backend.Commit()
+	// Increment nonce.
+	nonce++
+	// Set opening.
+	tx, err = contracts.BuildTxOpeningRandomize(nonce, randomizeAddr, randomizeKeyValue)
+	if err != nil {
+		t.Fatalf("Can't create tx randomize opening: %v", err)
+	}
+	tx, err = types.SignTx(tx, signer, acc1Key)
+	if err != nil {
+		t.Fatalf("Can't sign tx randomize opening: %v", err)
+	}
+
+	err = backend.SendTransaction(ctx, tx)
+	if err != nil {
+		t.Fatalf("Can't send tx for create randomize opening: %v", err)
+	}
+	backend.Commit()
+
+	// Get randomize secret from SC.
+	secrets, err := randomizeContract.GetSecret(acc1Addr)
+	if err != nil {
+		t.Error("Fail get secrets from randomize", err)
+	}
+	if len(secrets) <= 0 {
+		t.Error("Empty get secrets from SC", err)
+	}
+	// Decrypt randomize from SC.
+	opening, err := randomizeContract.GetOpening(acc1Addr)
+	if err != nil {
+		t.Fatalf("Can't get secret from SC: %v", err)
+	}
+	randomize, err := contracts.DecryptRandomizeFromSecretsAndOpening(secrets, opening)
+	t.Log("randomize", randomize)
+	if err != nil {
+		t.Error("Can't decrypt secret and opening", err)
+	}
+}