Revert "test, cmd/evm, core, core/vm: illegal code hash implementation"

This reverts commit 7a5b571c67.

core/vm_env.go

@@ -25,8 +25,6 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 )
 
-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
 // to query for information.
@@ -49,8 +47,6 @@ type VMEnv struct {
 	depth       int            // Current execution depth
 	msg         Message        // Message appliod
 
-	CodeHashes []common.Hash // code hashes collected during execution
-
 	header    *types.Header            // Header information
 	chain     *BlockChain              // Blockchain handle
 	logs      []vm.StructLog           // Logs for the custom structured logger
@@ -76,8 +72,6 @@ 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) RuleSet() vm.RuleSet      { return self.chainConfig }
 func (self *VMEnv) Vm() vm.Vm                { return self.evm }
 func (self *VMEnv) Origin() common.Address   { f, _ := self.msg.From(); return f }