parmas, crypto, core, core/vm: homestead consensus protocol changes

* change gas cost for contract creating txs
* invalidate signature with s value greater than secp256k1 N / 2
* OOG contract creation if not enough gas to store code
* new difficulty adjustment algorithm
* new DELEGATECALL op code

1 files changed, 5 insertions, 0 deletions

diff --git a/cmd/evm/main.go b/cmd/evm/main.go
index 64044c421..ef679e373 100644
--- a/cmd/evm/main.go
+++ b/cmd/evm/main.go
@@ -225,10 +225,15 @@ func (self *VMEnv) Call(caller vm.ContractRef, addr common.Address, data []byte,
 	self.Gas = gas
 	return core.Call(self, caller, addr, data, gas, price, value)
 }
+
 func (self *VMEnv) CallCode(caller vm.ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
 	return core.CallCode(self, caller, addr, data, gas, price, value)
 }
 
+func (self *VMEnv) DelegateCall(caller vm.ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error) {
+	return core.DelegateCall(self, caller, addr, data, gas, price)
+}
+
 func (self *VMEnv) Create(caller vm.ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error) {
 	return core.Create(self, caller, data, gas, price, value)
 }