Merge pull request ethereum#1204 from maticnetwork/consistent-revert

Add: Changes reverted in PR#1124

Author: anshalshukla

consensus/bor/bor.go

@@ -883,6 +883,10 @@ func (c *Bor) changeContractCodeIfNeeded(headerNumber uint64, state *state.State
 			for addr, account := range allocs {
 				log.Info("change contract code", "address", addr)
 				state.SetCode(addr, account.Code)
+
+				if state.GetBalance(addr).Cmp(big.NewInt(0)) == 0 {
+					state.SetBalance(addr, account.Balance)
+				}
 			}
 		}
 	}

consensus/bor/bor_test.go

@@ -41,6 +41,12 @@ func TestGenesisContractChange(t *testing.T) {
 						"balance": "0x1000",
 					},
 				},
+				"6": map[string]interface{}{
+					addr0.Hex(): map[string]interface{}{
+						"code":    hexutil.Bytes{0x1, 0x4},
+						"balance": "0x2000",
+					},
+				},
 			},
 		},
 	}
@@ -87,24 +93,35 @@ func TestGenesisContractChange(t *testing.T) {
 
 	root := genesis.Root()
 
-	// code does not change
+	// code does not change, balance remains 0
 	root, statedb = addBlock(root, 1)
 	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x1})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(0))
 
-	// code changes 1st time
+	// code changes 1st time, balance remains 0
 	root, statedb = addBlock(root, 2)
 	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x2})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(0))
 
-	// code same as 1st change
+	// code same as 1st change, balance remains 0
 	root, statedb = addBlock(root, 3)
 	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x2})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(0))
 
-	// code changes 2nd time
-	_, statedb = addBlock(root, 4)
+	// code changes 2nd time, balance updates to 4096
+	root, statedb = addBlock(root, 4)
 	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x3})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(4096))
 
-	// make sure balance change DOES NOT take effect
-	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(0))
+	// code same as 2nd change, balance remains 4096
+	root, statedb = addBlock(root, 5)
+	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x3})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(4096))
+
+	// code changes 3rd time, balance remains 4096
+	_, statedb = addBlock(root, 6)
+	require.Equal(t, statedb.GetCode(addr0), []byte{0x1, 0x4})
+	require.Equal(t, statedb.GetBalance(addr0), big.NewInt(4096))
 }
 
 func TestEncodeSigHeaderJaipur(t *testing.T) {

core/txpool/legacypool/legacypool.go

@@ -155,7 +155,8 @@ var DefaultConfig = Config{
 	AccountQueue: 64,
 	GlobalQueue:  1024,
 
-	Lifetime: 3 * time.Hour,
+	Lifetime:            3 * time.Hour,
+	AllowUnprotectedTxs: false,
 }
 
 // sanitize checks the provided user configurations and changes anything that's
@@ -601,7 +602,8 @@ func (pool *LegacyPool) local() map[common.Address]types.Transactions {
 // and does not require the pool mutex to be held.
 func (pool *LegacyPool) validateTxBasics(tx *types.Transaction, local bool) error {
 	opts := &txpool.ValidationOptions{
-		Config: pool.chainconfig,
+		Config:              pool.chainconfig,
+		AllowUnprotectedTxs: pool.config.AllowUnprotectedTxs,
 		Accept: 0 |
 			1<<types.LegacyTxType |
 			1<<types.AccessListTxType |
@@ -671,6 +673,11 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 		knownTxMeter.Mark(1)
 		return false, txpool.ErrAlreadyKnown
 	}
+
+	if pool.config.AllowUnprotectedTxs {
+		pool.signer = types.NewFakeSigner(tx.ChainId())
+	}
+
 	// Make the local flag. If it's from local source or it's from the network but
 	// the sender is marked as local previously, treat it as the local transaction.
 	isLocal := local || pool.locals.containsTx(tx)
@@ -984,6 +991,11 @@ func (pool *LegacyPool) Add(txs []*types.Transaction, local, sync bool) []error
 			knownTxMeter.Mark(1)
 			continue
 		}
+
+		if pool.config.AllowUnprotectedTxs {
+			pool.signer = types.NewFakeSigner(tx.ChainId())
+		}
+
 		// Exclude transactions with basic errors, e.g invalid signatures and
 		// insufficient intrinsic gas as soon as possible and cache senders
 		// in transactions before obtaining lock

core/txpool/validation.go

@@ -35,6 +35,8 @@ import (
 type ValidationOptions struct {
 	Config *params.ChainConfig // Chain configuration to selectively validate based on current fork rules
 
+	AllowUnprotectedTxs bool // Whether to allow unprotected transactions in the pool
+
 	Accept  uint8    // Bitmap of transaction types that should be accepted for the calling pool
 	MaxSize uint64   // Maximum size of a transaction that the caller can meaningfully handle
 	MinTip  *big.Int // Minimum gas tip needed to allow a transaction into the caller pool
@@ -91,7 +93,7 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types
 		return core.ErrTipAboveFeeCap
 	}
 	// Make sure the transaction is signed properly
-	if _, err := types.Sender(signer, tx); err != nil {
+	if _, err := types.Sender(signer, tx); err != nil && !opts.AllowUnprotectedTxs {
 		return ErrInvalidSender
 	}
 	// Ensure the transaction has more gas than the bare minimum needed to cover

core/types/transaction_signing.go

@@ -582,3 +582,38 @@ func deriveChainId(v *big.Int) *big.Int {
 	v = new(big.Int).Sub(v, big.NewInt(35))
 	return v.Div(v, big.NewInt(2))
 }
+
+// FakeSigner implements the Signer interface and accepts unprotected transactions
+type FakeSigner struct{ londonSigner }
+
+var _ Signer = FakeSigner{}
+
+func NewFakeSigner(chainId *big.Int) Signer {
+	signer := NewLondonSigner(chainId)
+	ls, _ := signer.(londonSigner)
+	return FakeSigner{londonSigner: ls}
+}
+
+func (f FakeSigner) Sender(tx *Transaction) (common.Address, error) {
+	return f.londonSigner.Sender(tx)
+}
+
+func (f FakeSigner) SignatureValues(tx *Transaction, sig []byte) (r, s, v *big.Int, err error) {
+	return f.londonSigner.SignatureValues(tx, sig)
+}
+
+func (f FakeSigner) ChainID() *big.Int {
+	return f.londonSigner.ChainID()
+}
+
+// Hash returns 'signature hash', i.e. the transaction hash that is signed by the
+// private key. This hash does not uniquely identify the transaction.
+func (f FakeSigner) Hash(tx *Transaction) common.Hash {
+	return f.londonSigner.Hash(tx)
+}
+
+// Equal returns true if the given signer is the same as the receiver.
+func (f FakeSigner) Equal(Signer) bool {
+	// Always return true
+	return true
+}

eth/backend.go

@@ -174,8 +174,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 
 	eth.APIBackend = &EthAPIBackend{stack.Config().ExtRPCEnabled(), stack.Config().AllowUnprotectedTxs, eth, nil}
 	if eth.APIBackend.allowUnprotectedTxs {
-		log.Debug(" ###########", "Unprotected transactions allowed")
-
+		log.Info("------Unprotected transactions allowed-------")
 		config.TxPool.AllowUnprotectedTxs = true
 	}
 

eth/bor_api_backend.go

@@ -83,21 +83,6 @@ func (b *EthAPIBackend) GetVoteOnHash(ctx context.Context, starBlockNr uint64, e
 		return false, fmt.Errorf("Hash mismatch: localChainHash %s, milestoneHash %s", localEndBlockHash, hash)
 	}
 
-	ethHandler := (*ethHandler)(b.eth.handler)
-
-	bor, ok := ethHandler.chain.Engine().(*bor.Bor)
-
-	if !ok {
-		return false, fmt.Errorf("Bor not available")
-	}
-
-	err = bor.HeimdallClient.FetchMilestoneID(ctx, milestoneId)
-
-	if err != nil {
-		downloader.UnlockMutex(false, "", endBlockNr, common.Hash{})
-		return false, fmt.Errorf("Milestone ID doesn't exist in Heimdall")
-	}
-
 	downloader.UnlockMutex(true, milestoneId, endBlockNr, localEndBlock.Hash())
 
 	return true, nil

internal/cli/server/config_legacy_test.go

@@ -42,3 +42,22 @@ func TestConfigLegacy(t *testing.T) {
 		readFile("./testdata/test.toml")
 	})
 }
+
+func TestDefaultConfigLegacy(t *testing.T) {
+	readFile := func(path string) {
+		expectedConfig, err := readLegacyConfig(path)
+		assert.NoError(t, err)
+
+		testConfig := DefaultConfig()
+
+		testConfig.Identity = "Polygon-Devs"
+		testConfig.DataDir = "/var/lib/bor"
+
+		assert.Equal(t, expectedConfig, testConfig)
+	}
+
+	// read file in hcl format
+	t.Run("toml", func(t *testing.T) {
+		readFile("./testdata/default.toml")
+	})
+}