[release/1.3.4] 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

Conflicts:
	core/vm/environment.go
	crypto/crypto.go
	crypto/secp256k1/secp256.go
	eth/api.go

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/state_test.go b/tests/state_test.go
index 245f60597..e93d7d2dc 100644
--- a/tests/state_test.go
+++ b/tests/state_test.go
@@ -122,6 +122,27 @@ func TestCallCodes(t *testing.T) {
 	}
 }
 
+func TestDelegateCall(t *testing.T) {
+	fn := filepath.Join(stateTestDir, "stDelegatecallTest.json")
+	if err := RunStateTest(fn, StateSkipTests); err != nil {
+		t.Error(err)
+	}
+}
+
+func TestDelegateCallCodes1(t *testing.T) {
+	fn := filepath.Join(stateTestDir, "stCallDelegateCodes.json")
+	if err := RunStateTest(fn, StateSkipTests); err != nil {
+		t.Error(err)
+	}
+}
+
+func TestDelegateCallCodes2(t *testing.T) {
+	fn := filepath.Join(stateTestDir, "stCallDelegateCodesCallCode.json")
+	if err := RunStateTest(fn, StateSkipTests); err != nil {
+		t.Error(err)
+	}
+}
+
 func TestMemory(t *testing.T) {
 	fn := filepath.Join(stateTestDir, "stMemoryTest.json")
 	if err := RunStateTest(fn, StateSkipTests); err != nil {