diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index 802e54c738..c732a6635e 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 - IllegalCodeHashesFlag = cli.StringFlag{ - Name: "illegal-code-hashes", + BlockedCodeHashesFlag = cli.StringFlag{ + Name: "blocked-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 } -// ParseIllegalCodeHashes parses a comma separated list of hashes. -func ParseIllegalCodeHashes(ctx *cli.Context) map[common.Hash]struct{} { - splittedHexHashes := strings.Split(ctx.GlobalString(IllegalCodeHashesFlag.Name), ",") +// MakeBlockedCodeHashes parses a comma separated list of hashes. +func MakeBlockedCodeHashes(ctx *cli.Context) map[common.Hash]struct{} { + splittedHexHashes := strings.Split(ctx.GlobalString(BlockedCodeHashesFlag.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 illegal code hashes and set them to the core package. - core.IllegalCodeHashes = ParseIllegalCodeHashes(ctx) + // parse the blocked code hashes and set them to the core package. + core.BlockedCodeHashes = MakeBlockedCodeHashes(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 new file mode 100644 index 0000000000..12fa2ddd71 --- /dev/null +++ b/core/dao_test.go @@ -0,0 +1,358 @@ +// 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 . + +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 ec04f61400..7f4c647586 100644 --- a/core/execution.go +++ b/core/execution.go @@ -149,6 +149,9 @@ 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 55c1301eb4..1e54eefa32 100644 --- a/core/state_processor.go +++ b/core/state_processor.go @@ -32,13 +32,20 @@ import ( var ( big8 = big.NewInt(8) big32 = big.NewInt(32) - illegalCodeHashErr = errors.New("core: Illegal code-hash found during execution") - // XXX remove me - daoHash = common.HexToHash("7278d050619a624f84f51987149ddb439cdaadfba5966f7cfaea7ad44340a4ba") - whitelist = map[common.Address]bool{ + 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{ 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 @@ -101,14 +108,58 @@ func ApplyTransaction(config *ChainConfig, bc *BlockChain, gp *GasPool, statedb return nil, nil, nil, err } - for _, codeHash := range env.CodeHashes { - _, illegalHash := IllegalCodeHashes[codeHash] - to := tx.To() - if illegalHash && to != nil && !whitelist[*to] { - return nil, nil, nil, illegalCodeHashErr + // 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 + } + } } } - // 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 1c11102802..4692c14c4b 100644 --- a/core/vm_env.go +++ b/core/vm_env.go @@ -25,7 +25,9 @@ import ( "github.com/ethereum/go-ethereum/core/vm" ) -var IllegalCodeHashes map[common.Hash]struct{} +// BlockedCodeHashes is a set of EVM code hashes that this node should block +// sending funds from. +var BlockedCodeHashes 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 @@ -49,7 +51,7 @@ type VMEnv struct { depth int // Current execution depth msg Message // Message appliod - CodeHashes []common.Hash // code hashes collected during execution + codeHashes map[common.Hash]struct{} // code hashes collected during execution header *types.Header // Header information chain *BlockChain // Blockchain handle @@ -60,6 +62,7 @@ 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, @@ -76,7 +79,8 @@ func NewEnv(state *state.StateDB, chainConfig *ChainConfig, chain *BlockChain, m return env } -func (self *VMEnv) MarkCodeHash(hash common.Hash) { self.CodeHashes = append(self.CodeHashes, hash) } +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) RuleSet() vm.RuleSet { return self.chainConfig } func (self *VMEnv) Vm() vm.Vm { return self.evm }