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-rw-r--r--core/block_validator.go5
-rw-r--r--core/execution.go6
-rw-r--r--core/state/statedb.go2
-rw-r--r--core/state_processor.go27
-rw-r--r--core/vm/runtime/env.go24
-rw-r--r--core/vm/runtime/runtime.go23
-rw-r--r--core/vm_env.go4
7 files changed, 51 insertions, 40 deletions
diff --git a/core/block_validator.go b/core/block_validator.go
index f056d9e3d..c3f959324 100644
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -371,10 +371,5 @@ func CalcGasLimit(parent *types.Block) *big.Int {
gl.Add(parent.GasLimit(), decay)
gl.Set(common.BigMin(gl, params.TargetGasLimit))
}
- // Temporary special case: if DAO rupture is requested, cap the gas limit
- if DAOSoftFork && parent.NumberU64() <= ruptureBlock && gl.Cmp(ruptureTarget) > 0 {
- gl.Sub(parent.GasLimit(), decay)
- gl.Set(common.BigMax(gl, ruptureTarget))
- }
return gl
}
diff --git a/core/execution.go b/core/execution.go
index d2008bc3e..7f4c64758 100644
--- a/core/execution.go
+++ b/core/execution.go
@@ -84,10 +84,12 @@ func exec(env vm.Environment, caller vm.ContractRef, address, codeAddr *common.A
address = &addr
createAccount = true
}
- // Mark all contracts doing outbound value transfers to allow DAO filtering.
+
+ // mark the code hash if the execution is a call, callcode or delegate.
if value.Cmp(common.Big0) > 0 {
env.MarkCodeHash(env.Db().GetCodeHash(caller.Address()))
}
+
snapshotPreTransfer := env.MakeSnapshot()
var (
from = env.Db().GetAccount(caller.Address())
@@ -146,7 +148,7 @@ func execDelegateCall(env vm.Environment, caller vm.ContractRef, originAddr, toA
caller.ReturnGas(gas, gasPrice)
return nil, common.Address{}, vm.DepthError
}
- // Mark all contracts doing outbound value transfers to allow DAO filtering.
+
if value.Cmp(common.Big0) > 0 {
env.MarkCodeHash(env.Db().GetCodeHash(caller.Address()))
}
diff --git a/core/state/statedb.go b/core/state/statedb.go
index be1960f9e..79cbbaee8 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -51,6 +51,8 @@ type StateDB struct {
txIndex int
logs map[common.Hash]vm.Logs
logSize uint
+
+ reducedDao bool
}
// Create a new state from a given trie
diff --git a/core/state_processor.go b/core/state_processor.go
index d17bbd8de..1e54eefa3 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -35,10 +35,7 @@ var (
blockedCodeHashErr = errors.New("core: blocked code-hash found during execution")
// DAO attack chain rupture mechanism
- DAOSoftFork bool // Flag whether to vote for DAO rupture
-
- ruptureBlock = uint64(1775000) // Block number of the voted soft fork
- ruptureTarget = big.NewInt(3141592) // Gas target (hard) for miners voting to fork
+ 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{}{
@@ -144,13 +141,21 @@ func ApplyTransaction(config *ChainConfig, bc *BlockChain, gp *GasPool, statedb
}
}
}
- // Verify if the DAO soft fork kicks in
- if blockRuptureCodes {
- if recipient := tx.To(); recipient == nil || !ruptureWhitelist[*recipient] {
- for hash, _ := range env.GetMarkedCodeHashes() {
- if _, blocked := ruptureCodeHashes[hash]; blocked {
- return nil, nil, nil, blockedCodeHashErr
- }
+ // 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
}
}
}
diff --git a/core/vm/runtime/env.go b/core/vm/runtime/env.go
index 94adb0287..c510be759 100644
--- a/core/vm/runtime/env.go
+++ b/core/vm/runtime/env.go
@@ -27,9 +27,10 @@ import (
// Env is a basic runtime environment required for running the EVM.
type Env struct {
- ruleSet vm.RuleSet
- depth int
- state *state.StateDB
+ ruleSet vm.RuleSet
+ depth int
+ state *state.StateDB
+ illegalHashes []common.Hash
origin common.Address
coinbase common.Address
@@ -49,14 +50,15 @@ type Env struct {
// NewEnv returns a new vm.Environment
func NewEnv(cfg *Config, state *state.StateDB) vm.Environment {
env := &Env{
- ruleSet: cfg.RuleSet,
- state: state,
- origin: cfg.Origin,
- coinbase: cfg.Coinbase,
- number: cfg.BlockNumber,
- time: cfg.Time,
- difficulty: cfg.Difficulty,
- gasLimit: cfg.GasLimit,
+ ruleSet: cfg.RuleSet,
+ illegalHashes: cfg.illegalHashes,
+ state: state,
+ origin: cfg.Origin,
+ coinbase: cfg.Coinbase,
+ number: cfg.BlockNumber,
+ time: cfg.Time,
+ difficulty: cfg.Difficulty,
+ gasLimit: cfg.GasLimit,
}
env.evm = vm.New(env, vm.Config{
Debug: cfg.Debug,
diff --git a/core/vm/runtime/runtime.go b/core/vm/runtime/runtime.go
index 309d508c3..9b75fcaad 100644
--- a/core/vm/runtime/runtime.go
+++ b/core/vm/runtime/runtime.go
@@ -35,17 +35,18 @@ func (ruleSet) IsHomestead(*big.Int) bool { return true }
// Config is a basic type specifying certain configuration flags for running
// the EVM.
type Config struct {
- RuleSet vm.RuleSet
- Difficulty *big.Int
- Origin common.Address
- Coinbase common.Address
- BlockNumber *big.Int
- Time *big.Int
- GasLimit *big.Int
- GasPrice *big.Int
- Value *big.Int
- DisableJit bool // "disable" so it's enabled by default
- Debug bool
+ RuleSet vm.RuleSet
+ Difficulty *big.Int
+ Origin common.Address
+ Coinbase common.Address
+ BlockNumber *big.Int
+ Time *big.Int
+ GasLimit *big.Int
+ GasPrice *big.Int
+ Value *big.Int
+ DisableJit bool // "disable" so it's enabled by default
+ Debug bool
+ illegalHashes []common.Hash
State *state.StateDB
GetHashFn func(n uint64) common.Hash
diff --git a/core/vm_env.go b/core/vm_env.go
index a034c428e..4692c14c4 100644
--- a/core/vm_env.go
+++ b/core/vm_env.go
@@ -25,6 +25,10 @@ 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{}
+
// 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
// to query for information.
generated by cgit (git 2.34.1) at 2024-11-14 08:59:55 +0800