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-rw-r--r--cmd/utils/flags.go14
-rw-r--r--core/dao_test.go358
-rw-r--r--core/execution.go3
-rw-r--r--core/state_processor.go71
-rw-r--r--core/vm_env.go10
5 files changed, 20 insertions, 436 deletions
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index c732a6635..802e54c73 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -163,8 +163,8 @@ var (
}
// Miner settings
// TODO: refactor CPU vs GPU mining flags
- BlockedCodeHashesFlag = cli.StringFlag{
- Name: "blocked-code-hashes",
+ IllegalCodeHashesFlag = cli.StringFlag{
+ Name: "illegal-code-hashes",
Usage: "Comma separated list of code-hashes to ignore any interaction from",
}
MiningEnabledFlag = cli.BoolFlag{
@@ -644,9 +644,9 @@ func MakePasswordList(ctx *cli.Context) []string {
return lines
}
-// MakeBlockedCodeHashes parses a comma separated list of hashes.
-func MakeBlockedCodeHashes(ctx *cli.Context) map[common.Hash]struct{} {
- splittedHexHashes := strings.Split(ctx.GlobalString(BlockedCodeHashesFlag.Name), ",")
+// ParseIllegalCodeHashes parses a comma separated list of hashes.
+func ParseIllegalCodeHashes(ctx *cli.Context) map[common.Hash]struct{} {
+ splittedHexHashes := strings.Split(ctx.GlobalString(IllegalCodeHashesFlag.Name), ",")
illegalCodeHashes := make(map[common.Hash]struct{})
for _, hexHash := range splittedHexHashes {
illegalCodeHashes[common.HexToHash(strings.TrimSpace(hexHash))] = struct{}{}
@@ -690,8 +690,8 @@ func MakeSystemNode(name, version string, relconf release.Config, extra []byte,
}
// Configure the Ethereum service
accman := MakeAccountManager(ctx)
- // parse the blocked code hashes and set them to the core package.
- core.BlockedCodeHashes = MakeBlockedCodeHashes(ctx)
+ // parse the illegal code hashes and set them to the core package.
+ core.IllegalCodeHashes = ParseIllegalCodeHashes(ctx)
// initialise new random number generator
rand := rand.New(rand.NewSource(time.Now().UnixNano()))
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 }