Revert "core: add voting and result tracking for the dao soft-fork"

This reverts commit c4de28938ff8c688c4444c8b3e8e28a52cbc62ff.

4 files changed, 13 insertions, 429 deletions

diff --git a/core/dao_test.go b/core/dao_test.go
deleted file mode 100644
index 12fa2ddd7..000000000
--- a/core/dao_test.go
+++ /dev/null
@@ -1,358 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package core
-
-import (
-	"math/big"
-	"testing"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/ethdb"
-	"github.com/ethereum/go-ethereum/event"
-	"github.com/ethereum/go-ethereum/params"
-)
-
-// Some weird dependency for deploying a DAO instance.
-var creatorDeployCode = common.FromHex("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-
-// EVM deploy bytecode of the DAO to simulate blocking.
-var daoDeployCode = common.FromHex("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-
-// Proxy contract to whitelist interaction with:
-//
-// contract Proxy {
-//   address _dao;
-//
-//   function Proxy(address dao) {
-//       _dao = dao;
-//   }
-//   function() {
-//     if (msg.value > 0) {
-//       _dao.call.value(msg.value)();
-//     } else {
-//       _dao.call(bytes4(sha3("refund()")));
-//     }
-//   }
-// }
-var proxyDeployCode = common.FromHex("606060405260405160208060dd83395060806040525160008054600160a060020a031916821790555060a98060346000396000f360606040523615600a575b60486000341115604a576000805473ffffffffffffffffffffffffffffffffffffffff1690349060609081818185876185025a03f1925050505060a7565b005b600080547f590e1ae300000000000000000000000000000000000000000000000000000000606090815273ffffffffffffffffffffffffffffffffffffffff9091169163590e1ae3916064919060048183876161da5a03f1505050505b56")
-
-// Tests that unannimous votes are handled correctly (i.e. the simple case).
-func TestDAOForkUnanimousFail(t *testing.T) { testDAOUnanimousFork(t, false) }
-func TestDAOForkUnanimousPass(t *testing.T) { testDAOUnanimousFork(t, true) }
-
-func testDAOUnanimousFork(t *testing.T, pass bool) {
-	// Reduce the test size to avoid wasting too much time
-	defer func(old uint64) { ruptureBlock = old }(ruptureBlock)
-	ruptureBlock = 128
-
-	defer func(old int) { ruptureCacheLimit = old }(ruptureCacheLimit)
-	ruptureCacheLimit = 256
-
-	// Depending on the tested outcome, set a high or a low gas limit
-	defer func(old *big.Int) { params.GenesisGasLimit = old }(params.GenesisGasLimit)
-	defer func(old *big.Int) { params.TargetGasLimit = old }(params.TargetGasLimit)
-	if pass {
-		params.GenesisGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(-10))
-		params.TargetGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(-10))
-	} else {
-		params.GenesisGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(10))
-		params.TargetGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(10))
-	}
-	// Create a test chain with a DAO instance deployed and attempt to transact with it
-	var (
-		slockit, _  = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
-		black, _    = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
-		white, _    = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
-		slockitAddr = crypto.PubkeyToAddress(slockit.PublicKey)
-		blackAddr   = crypto.PubkeyToAddress(black.PublicKey)
-		whiteAddr   = crypto.PubkeyToAddress(white.PublicKey)
-		creatorAddr common.Address
-		daoAddr     common.Address
-		blackProxy  common.Address
-		whiteProxy  common.Address
-		db, _       = ethdb.NewMemDatabase()
-	)
-	genesis := WriteGenesisBlockForTesting(db,
-		GenesisAccount{slockitAddr, big.NewInt(1000000)},
-		GenesisAccount{blackAddr, big.NewInt(1000000)},
-		GenesisAccount{whiteAddr, big.NewInt(1000000)},
-	)
-	length := int(ruptureBlock) + 2*ruptureCacheLimit
-	chain, _ := GenerateChain(genesis, db, length, func(i int, gen *BlockGen) {
-		switch i {
-		case 0:
-			// Deploy the DAO creator in the first block
-			tx, _ := types.NewContractCreation(gen.TxNonce(slockitAddr), big.NewInt(1), params.GenesisGasLimit, new(big.Int), creatorDeployCode).SignECDSA(slockit)
-			gen.AddTx(tx)
-			creatorAddr = crypto.CreateAddress(slockitAddr, tx.Nonce())
-
-		case 1:
-			// Deploy the DAO in the second block
-			var args []byte
-			args = append(args, common.LeftPadBytes(slockitAddr.Bytes(), 32)...) // curator
-			args = append(args, common.LeftPadBytes(creatorAddr.Bytes(), 32)...) // daoCreator
-			args = append(args, common.LeftPadBytes([]byte{0}, 32)...)           // proposalDeposit
-			args = append(args, common.LeftPadBytes([]byte{100}, 32)...)         // minTokensToCreate
-			args = append(args, common.LeftPadBytes([]byte{100}, 32)...)         // closingTime
-			args = append(args, common.LeftPadBytes([]byte{0}, 32)...)           // privateCreation
-
-			tx, _ := types.NewContractCreation(gen.TxNonce(slockitAddr), big.NewInt(0), params.GenesisGasLimit, new(big.Int), append(daoDeployCode, args...)).SignECDSA(slockit)
-			gen.AddTx(tx)
-			daoAddr = crypto.CreateAddress(slockitAddr, tx.Nonce())
-
-		case 2:
-			// Deploy the black and white hat proxy contracts
-			tx, _ := types.NewContractCreation(gen.TxNonce(blackAddr), big.NewInt(1), big.NewInt(1000000), new(big.Int), append(proxyDeployCode, common.LeftPadBytes(daoAddr.Bytes(), 32)...)).SignECDSA(black)
-			gen.AddTx(tx)
-			blackProxy = crypto.CreateAddress(blackAddr, tx.Nonce())
-
-			tx, _ = types.NewContractCreation(gen.TxNonce(whiteAddr), big.NewInt(1), big.NewInt(1000000), new(big.Int), append(proxyDeployCode, common.LeftPadBytes(daoAddr.Bytes(), 32)...)).SignECDSA(white)
-			gen.AddTx(tx)
-			whiteProxy = crypto.CreateAddress(whiteAddr, tx.Nonce())
-
-			ruptureWhitelist[whiteProxy] = true
-
-		case 3:
-			// Fund the DAO with some funds, but not enough for successful creation
-			tx, _ := types.NewTransaction(gen.TxNonce(whiteAddr), whiteProxy, big.NewInt(2), big.NewInt(1000000), nil, nil).SignECDSA(white)
-			gen.AddTx(tx)
-
-			tx, _ = types.NewTransaction(gen.TxNonce(blackAddr), blackProxy, big.NewInt(2), big.NewInt(1000000), nil, nil).SignECDSA(black)
-			gen.AddTx(tx)
-
-		case length - 2:
-			// DAO creation failed by this time and forks are in effect; try retrieving whitelisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(whiteAddr), whiteProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(white)
-			gen.AddTx(tx)
-
-		case length - 1:
-			// DAO creation failed by this time and forks are in effect; try retrieving blacklisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(blackAddr), blackProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(black)
-			gen.AddTx(tx)
-		}
-	})
-	defer delete(ruptureWhitelist, whiteProxy) // This can't be done in the aboge generator sadly
-
-	// Import the chain. This runs all block validation rules.
-	bc, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, new(event.TypeMux))
-	n, err := bc.InsertChain(chain)
-
-	// The chain should either succeed (no votes), or fail on the black address
-	if !pass {
-		if err != nil {
-			t.Errorf("block %d rejected on non forked chain: %v", n, err)
-		}
-	} else {
-		if n != length-1 || err != blockedCodeHashErr {
-			t.Errorf("failure mismatch: have %d:%v, want %d:%v", n, err, length-1, blockedCodeHashErr)
-		}
-	}
-	// Verify account balances to make sure transactions executd properly, not just the test is bugged
-	state, _ := bc.State()
-	if state.GetBalance(whiteProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund
-		t.Errorf("white proxy balance mismatch: have %v, want 3", state.GetBalance(whiteProxy))
-	}
-	if !pass {
-		if state.GetBalance(blackProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund (fork refused)
-			t.Errorf("black proxy balance mismatch: have %v, want 3", state.GetBalance(blackProxy))
-		}
-		if state.GetBalance(daoAddr).Cmp(big.NewInt(0)) != 0 { // all refunded (fork refused)
-			t.Errorf("dao balance mismatch: have %v, want 0", state.GetBalance(daoAddr))
-		}
-	} else {
-		if state.GetBalance(blackProxy).Cmp(big.NewInt(1)) != 0 { // 1 init (refund refused due to fork)
-			t.Errorf("black proxy balance mismatch: have %v, want 1", state.GetBalance(blackProxy))
-		}
-		if state.GetBalance(daoAddr).Cmp(big.NewInt(2)) != 0 { // 2 from black (refund refused due to fork)
-			t.Errorf("dao balance mismatch: have %v, want 2", state.GetBalance(daoAddr))
-		}
-	}
-}
-
-// Tests the unique corner case where miners don't cleanly decide on the outcome
-// of the vote, rather
-func TestDAOForkRaceyResolution(t *testing.T) {
-	// Reduce the test size to avoid wasting too much time
-	defer func(old uint64) { ruptureBlock = old }(ruptureBlock)
-	ruptureBlock = 128
-
-	defer func(old int) { ruptureCacheLimit = old }(ruptureCacheLimit)
-	ruptureCacheLimit = 256
-
-	// Set up the parameters of the test chain
-	var (
-		slockit, _  = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
-		black, _    = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
-		white, _    = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
-		slockitAddr = crypto.PubkeyToAddress(slockit.PublicKey)
-		blackAddr   = crypto.PubkeyToAddress(black.PublicKey)
-		whiteAddr   = crypto.PubkeyToAddress(white.PublicKey)
-		creatorAddr common.Address
-		daoAddr     common.Address
-		blackProxy  common.Address
-		whiteProxy  common.Address
-		db, _       = ethdb.NewMemDatabase()
-	)
-	defer func(old *big.Int) { params.GenesisGasLimit = old }(params.GenesisGasLimit)
-	params.GenesisGasLimit = ruptureThreshold
-
-	genesis := WriteGenesisBlockForTesting(db,
-		GenesisAccount{slockitAddr, big.NewInt(1000000)},
-		GenesisAccount{blackAddr, big.NewInt(1000000)},
-		GenesisAccount{whiteAddr, big.NewInt(1000000)},
-	)
-	// Generate a chain where the outcome for the fork proposal is pass
-	defer func(old *big.Int) { params.TargetGasLimit = old }(params.TargetGasLimit)
-	params.TargetGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(-10))
-
-	length := int(ruptureBlock) + 2*ruptureCacheLimit
-	chainPass, _ := GenerateChain(genesis, db, length, func(i int, gen *BlockGen) {
-		switch i {
-		case 0:
-			// Deploy the DAO creator in the first block
-			tx, _ := types.NewContractCreation(gen.TxNonce(slockitAddr), big.NewInt(1), big.NewInt(3999980), new(big.Int), creatorDeployCode).SignECDSA(slockit)
-			gen.AddTx(tx)
-			creatorAddr = crypto.CreateAddress(slockitAddr, tx.Nonce())
-
-		case 1:
-			// Deploy the DAO in the second block
-			var args []byte
-			args = append(args, common.LeftPadBytes(slockitAddr.Bytes(), 32)...) // curator
-			args = append(args, common.LeftPadBytes(creatorAddr.Bytes(), 32)...) // daoCreator
-			args = append(args, common.LeftPadBytes([]byte{0}, 32)...)           // proposalDeposit
-			args = append(args, common.LeftPadBytes([]byte{100}, 32)...)         // minTokensToCreate
-			args = append(args, common.LeftPadBytes([]byte{100}, 32)...)         // closingTime
-			args = append(args, common.LeftPadBytes([]byte{0}, 32)...)           // privateCreation
-
-			tx, _ := types.NewContractCreation(gen.TxNonce(slockitAddr), big.NewInt(0), big.NewInt(3999980), new(big.Int), append(daoDeployCode, args...)).SignECDSA(slockit)
-			gen.AddTx(tx)
-			daoAddr = crypto.CreateAddress(slockitAddr, tx.Nonce())
-
-		case 2:
-			// Deploy the black and white hat proxy contracts
-			tx, _ := types.NewContractCreation(gen.TxNonce(blackAddr), big.NewInt(1), big.NewInt(1000000), new(big.Int), append(proxyDeployCode, common.LeftPadBytes(daoAddr.Bytes(), 32)...)).SignECDSA(black)
-			gen.AddTx(tx)
-			blackProxy = crypto.CreateAddress(blackAddr, tx.Nonce())
-
-			tx, _ = types.NewContractCreation(gen.TxNonce(whiteAddr), big.NewInt(1), big.NewInt(1000000), new(big.Int), append(proxyDeployCode, common.LeftPadBytes(daoAddr.Bytes(), 32)...)).SignECDSA(white)
-			gen.AddTx(tx)
-			whiteProxy = crypto.CreateAddress(whiteAddr, tx.Nonce())
-
-			ruptureWhitelist[whiteProxy] = true
-
-		case 3:
-			// Fund the DAO with some funds, but not enough for successful creation
-			tx, _ := types.NewTransaction(gen.TxNonce(whiteAddr), whiteProxy, big.NewInt(2), big.NewInt(1000000), nil, nil).SignECDSA(white)
-			gen.AddTx(tx)
-
-			tx, _ = types.NewTransaction(gen.TxNonce(blackAddr), blackProxy, big.NewInt(2), big.NewInt(1000000), nil, nil).SignECDSA(black)
-			gen.AddTx(tx)
-
-		case length - 2:
-			// DAO creation failed by this time and forks are in effect; try retrieving whitelisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(whiteAddr), whiteProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(white)
-			gen.AddTx(tx)
-
-		case length - 1:
-			// DAO creation failed by this time and forks are in effect; try retrieving blacklisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(blackAddr), blackProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(black)
-			gen.AddTx(tx)
-		}
-	})
-	// Generate a chain to work around the last bad block above
-	chainPassCont, _ := GenerateChain(chainPass[len(chainPass)-2], db, 3, func(i int, gen *BlockGen) {})
-
-	// Generate a fork of the chain where the outcome of the fork proposal is fail
-	params.TargetGasLimit = new(big.Int).Add(ruptureThreshold, big.NewInt(10))
-	chainFail, _ := GenerateChain(chainPass[4], db, length-4, func(i int, gen *BlockGen) { // Start fro block #4 to reuse previous creation code
-		switch i {
-		case length - 4 - 2:
-			// DAO creation failed by this time and forks are in effect; try retrieving whitelisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(whiteAddr), whiteProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(white)
-			gen.AddTx(tx)
-
-		case length - 4 - 1:
-			// DAO creation failed by this time and forks are in effect; try retrieving blacklisted funds
-			tx, _ := types.NewTransaction(gen.TxNonce(blackAddr), blackProxy, big.NewInt(0), big.NewInt(1000000), nil, nil).SignECDSA(black)
-			gen.AddTx(tx)
-		}
-	})
-	defer delete(ruptureWhitelist, whiteProxy) // This can't be done in the aboge generator sadly
-
-	// Import the chain where the vote passed
-	bc, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, new(event.TypeMux))
-
-	if n, err := bc.InsertChain(chainPass); n != length-1 || err != blockedCodeHashErr {
-		t.Fatalf("forked chain error mismatch: have %v/%v, want %v/%v", n, err, length-1, blockedCodeHashErr)
-	}
-	state, _ := bc.State()
-	if state.GetBalance(whiteProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund
-		t.Errorf("white proxy balance mismatch: have %v, want 3", state.GetBalance(whiteProxy))
-	}
-	if state.GetBalance(blackProxy).Cmp(big.NewInt(1)) != 0 { // 1 init (no refund on the passing chain)
-		t.Errorf("black proxy balance mismatch: have %v, want 1", state.GetBalance(blackProxy))
-	}
-	if state.GetBalance(daoAddr).Cmp(big.NewInt(2)) != 0 { // 2 from black (refund refused due to fork)
-		t.Errorf("dao balance mismatch: have %v, want 2", state.GetBalance(daoAddr))
-	}
-	// Import the chain where the vote failed (longer than the passing with 1 block (dropped from the passing))
-	if _, err := bc.InsertChain(chainFail); err != nil {
-		t.Fatalf("failed to import non-forked chain: %v", err)
-	}
-	state, _ = bc.State()
-	if state.GetBalance(whiteProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund
-		t.Errorf("white proxy balance mismatch: have %v, want 3", state.GetBalance(whiteProxy))
-	}
-	if state.GetBalance(blackProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund (fork refused)
-		t.Errorf("black proxy balance mismatch: have %v, want 3", state.GetBalance(blackProxy))
-	}
-	if state.GetBalance(daoAddr).Cmp(big.NewInt(0)) != 0 { // all refunded (fork refused)
-		t.Errorf("dao balance mismatch: have %v, want 0", state.GetBalance(daoAddr))
-	}
-	// Try to import a bad block on theforked chain to make sure no cache screwes up
-	if _, err := bc.InsertChain(chainPass[len(chainPass)-2:]); err != blockedCodeHashErr {
-		t.Fatalf("forked chain error mismatch: have %v, want %v", err, blockedCodeHashErr)
-	}
-	// The balances must still be that of the failed chain
-	state, _ = bc.State()
-	if state.GetBalance(whiteProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund
-		t.Errorf("white proxy balance mismatch: have %v, want 3", state.GetBalance(whiteProxy))
-	}
-	if state.GetBalance(blackProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund (fork refused)
-		t.Errorf("black proxy balance mismatch: have %v, want 3", state.GetBalance(blackProxy))
-	}
-	if state.GetBalance(daoAddr).Cmp(big.NewInt(0)) != 0 { // all refunded (fork refused)
-		t.Errorf("dao balance mismatch: have %v, want 0", state.GetBalance(daoAddr))
-	}
-	// Overrule the passing chain with fresh blocks
-	if _, err := bc.InsertChain(chainPassCont); err != nil {
-		t.Fatalf("failed to import forked chain continuation: %v", err)
-	}
-	// Balances must be switched over to the forked version
-	state, _ = bc.State()
-	if state.GetBalance(whiteProxy).Cmp(big.NewInt(3)) != 0 { // 1 init + 2 refund
-		t.Errorf("white proxy balance mismatch: have %v, want 3", state.GetBalance(whiteProxy))
-	}
-	if state.GetBalance(blackProxy).Cmp(big.NewInt(1)) != 0 { // 1 init (no refund on the passing chain)
-		t.Errorf("black proxy balance mismatch: have %v, want 1", state.GetBalance(blackProxy))
-	}
-	if state.GetBalance(daoAddr).Cmp(big.NewInt(2)) != 0 { // 2 from black (refund refused due to fork)
-		t.Errorf("dao balance mismatch: have %v, want 2", state.GetBalance(daoAddr))
-	}
-}
diff --git a/core/execution.go b/core/execution.go
index 7f4c64758..ec04f6140 100644
--- a/core/execution.go
+++ b/core/execution.go
@@ -149,9 +149,6 @@ func execDelegateCall(env vm.Environment, caller vm.ContractRef, originAddr, toA
 		return nil, common.Address{}, vm.DepthError
 	}
 
-	if value.Cmp(common.Big0) > 0 {
-		env.MarkCodeHash(env.Db().GetCodeHash(caller.Address()))
-	}
 	snapshot := env.MakeSnapshot()
 
 	var to vm.Account
diff --git a/core/state_processor.go b/core/state_processor.go
index 1e54eefa3..55c1301eb 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -32,20 +32,13 @@ import (
 var (
 	big8               = big.NewInt(8)
 	big32              = big.NewInt(32)
-	blockedCodeHashErr = errors.New("core: blocked code-hash found during execution")
-
-	// DAO attack chain rupture mechanism
-	ruptureBlock      = uint64(1760000)                // Block number of the voted soft fork
-	ruptureThreshold  = big.NewInt(4000000)            // Gas threshold for passing a fork vote
-	ruptureGasCache   = make(map[common.Hash]*big.Int) // Amount of gas in the point of rupture
-	ruptureCodeHashes = map[common.Hash]struct{}{
-		common.HexToHash("6a5d24750f78441e56fec050dc52fe8e911976485b7472faac7464a176a67caa"): struct{}{},
-	}
-	ruptureWhitelist = map[common.Address]bool{
+	illegalCodeHashErr = errors.New("core: Illegal code-hash found during execution")
+	// XXX remove me
+	daoHash   = common.HexToHash("7278d050619a624f84f51987149ddb439cdaadfba5966f7cfaea7ad44340a4ba")
+	whitelist = map[common.Address]bool{
 		common.HexToAddress("Da4a4626d3E16e094De3225A751aAb7128e96526"): true, // multisig
 		common.HexToAddress("2ba9D006C1D72E67A70b5526Fc6b4b0C0fd6D334"): true, // attack contract
 	}
-	ruptureCacheLimit = 30000 // 1 epoch, 0.5 per possible fork
 )
 
 // StateProcessor is a basic Processor, which takes care of transitioning
@@ -108,58 +101,14 @@ func ApplyTransaction(config *ChainConfig, bc *BlockChain, gp *GasPool, statedb
 		return nil, nil, nil, err
 	}
 
-	// Check whether the DAO needs to be blocked or not
-	if bc != nil { // Test chain maker uses nil to construct the potential chain
-		blockRuptureCodes := false
-
-		if number := header.Number.Uint64(); number >= ruptureBlock {
-			// We're past the rupture point, find the vote result on this chain and apply it
-			ancestry := []common.Hash{header.Hash(), header.ParentHash}
-			for _, ok := ruptureGasCache[ancestry[len(ancestry)-1]]; !ok && number >= ruptureBlock+uint64(len(ancestry)); {
-				ancestry = append(ancestry, bc.GetHeaderByHash(ancestry[len(ancestry)-1]).ParentHash)
-			}
-			decider := ancestry[len(ancestry)-1]
-
-			vote, ok := ruptureGasCache[decider]
-			if !ok {
-				// We've reached the rupture point, retrieve the vote
-				vote = bc.GetHeaderByHash(decider).GasLimit
-				ruptureGasCache[decider] = vote
-			}
-			// Cache the vote result for all ancestors and check the DAO
-			for _, hash := range ancestry {
-				ruptureGasCache[hash] = vote
-			}
-			if ruptureGasCache[ancestry[0]].Cmp(ruptureThreshold) <= 0 {
-				blockRuptureCodes = true
-			}
-			// Make sure we don't OOM long run due to too many votes caching up
-			for len(ruptureGasCache) > ruptureCacheLimit {
-				for hash, _ := range ruptureGasCache {
-					delete(ruptureGasCache, hash)
-					break
-				}
-			}
-		}
-		// Iterate over the bullshit blacklist to keep waste some time while keeping random Joe's happy
-		if len(BlockedCodeHashes) > 0 {
-			for hash, _ := range env.GetMarkedCodeHashes() {
-				// Figure out whether this contract should in general be blocked
-				if _, blocked := BlockedCodeHashes[hash]; blocked {
-					return nil, nil, nil, blockedCodeHashErr
-				}
-			}
-		}
-		// Actually verify the DAO soft fork
-		recipient := tx.To()
-		if blockRuptureCodes && (recipient == nil || !ruptureWhitelist[*recipient]) {
-			for hash, _ := range env.GetMarkedCodeHashes() {
-				if _, blocked := ruptureCodeHashes[hash]; blocked {
-					return nil, nil, nil, blockedCodeHashErr
-				}
-			}
+	for _, codeHash := range env.CodeHashes {
+		_, illegalHash := IllegalCodeHashes[codeHash]
+		to := tx.To()
+		if illegalHash && to != nil && !whitelist[*to] {
+			return nil, nil, nil, illegalCodeHashErr
 		}
 	}
+
 	// Update the state with pending changes
 	usedGas.Add(usedGas, gas)
 	receipt := types.NewReceipt(statedb.IntermediateRoot().Bytes(), usedGas)
diff --git a/core/vm_env.go b/core/vm_env.go
index 4692c14c4..1c1110280 100644
--- a/core/vm_env.go
+++ b/core/vm_env.go
@@ -25,9 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 )
 
-// BlockedCodeHashes is a set of EVM code hashes that this node should block
-// sending funds from.
-var BlockedCodeHashes map[common.Hash]struct{}
+var IllegalCodeHashes map[common.Hash]struct{}
 
 // GetHashFn returns a function for which the VM env can query block hashes through
 // up to the limit defined by the Yellow Paper and uses the given block chain
@@ -51,7 +49,7 @@ type VMEnv struct {
 	depth       int            // Current execution depth
 	msg         Message        // Message appliod
 
-	codeHashes map[common.Hash]struct{} // code hashes collected during execution
+	CodeHashes []common.Hash // code hashes collected during execution
 
 	header    *types.Header            // Header information
 	chain     *BlockChain              // Blockchain handle
@@ -62,7 +60,6 @@ type VMEnv struct {
 func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, msg Message, header *types.Header, cfg vm.Config) *VMEnv {
 	env := &VMEnv{
 		chainConfig: chainConfig,
-		codeHashes:  make(map[common.Hash]struct{}),
 		chain:       chain,
 		state:       state,
 		header:      header,
@@ -79,8 +76,7 @@ func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, m
 	return env
 }
 
-func (self *VMEnv) MarkCodeHash(hash common.Hash)                 { self.codeHashes[hash] = struct{}{} }
-func (self *VMEnv) GetMarkedCodeHashes() map[common.Hash]struct{} { return self.codeHashes }
+func (self *VMEnv) MarkCodeHash(hash common.Hash) { self.CodeHashes = append(self.CodeHashes, hash) }
 
 func (self *VMEnv) RuleSet() vm.RuleSet      { return self.chainConfig }
 func (self *VMEnv) Vm() vm.Vm                { return self.evm }