diff --git a/c/ffi/Cargo.toml b/c/ffi/Cargo.toml
index 47421aa..07be294 100644
--- a/c/ffi/Cargo.toml
+++ b/c/ffi/Cargo.toml
@@ -8,5 +8,16 @@ crate-type = ["staticlib", "cdylib"]
 
 [dependencies]
 libc = "0.2"
-etcommon-bigint = { version = "0.2", default-features = false, features = ["rlp"] }
-sputnikvm = { version = "0.9", default-features = false, features = ["std", "rust-secp256k1"] }
\ No newline at end of file
+etcommon-bigint = { version = "0.2", default-features = false }
+sputnikvm = { version = "0.10", default-features = false }
+sputnikvm-network-classic = { version = "0.10.1", default-features = false }
+etcommon-block = "0.3"
+etcommon-hexutil = "0.2"
+clap = "2.22"
+
+[features]
+default = ["std", "c-secp256k1", "rlp"]
+rlp = ["etcommon-bigint/rlp", "sputnikvm-network-classic/rlp"]
+c-secp256k1 = ["sputnikvm/c-secp256k1", "sputnikvm-network-classic/c-secp256k1"]
+rust-secp256k1 = ["sputnikvm/rust-secp256k1", "sputnikvm-network-classic/rust-secp256k1"]
+std = ["sputnikvm/std", "sputnikvm-network-classic/std"]
\ No newline at end of file
diff --git a/c/ffi/src/lib.rs b/c/ffi/src/lib.rs
index 7e39fe6..4efdfcf 100644
--- a/c/ffi/src/lib.rs
+++ b/c/ffi/src/lib.rs
@@ -1,6 +1,11 @@
 extern crate libc;
 extern crate bigint;
+extern crate clap;
 extern crate sputnikvm;
+extern crate sputnikvm_network_classic;
+extern crate hexutil;
+extern crate block;
+
 
 mod common;
 
@@ -12,11 +17,17 @@ use std::rc::Rc;
 use std::ops::DerefMut;
 use std::collections::HashMap;
 use libc::{c_uchar, c_uint, c_longlong};
-use bigint::{U256, M256};
-use sputnikvm::{TransactionAction, ValidTransaction, HeaderParams, SeqTransactionVM, Patch,
-                MainnetFrontierPatch, MainnetHomesteadPatch, MainnetEIP150Patch, MainnetEIP160Patch,
-                VM, VMStatus, RequireError, AccountCommitment, AccountChange,
-                FrontierPatch, HomesteadPatch, EIP150Patch, EIP160Patch, AccountPatch};
+use bigint::{Gas, Address, U256, M256, H256};
+use block::TransactionAction;
+
+use sputnikvm::{HeaderParams, Context, SeqTransactionVM, ValidTransaction, VM, Log, Patch,
+                AccountCommitment, AccountChange, VMStatus};
+use sputnikvm_network_classic::{MainnetFrontierPatch, MainnetHomesteadPatch,
+                                MainnetEIP150Patch, MainnetEIP160Patch};
+use sputnikvm::errors::RequireError;
+use sputnikvm::AccountPatch;
+use sputnikvm_network_classic::{FrontierPatch, HomesteadPatch, EIP150Patch, EIP160Patch};
+
 
 type c_action = c_uchar;
 #[no_mangle]
@@ -27,6 +38,8 @@ pub static CREATE_ACTION: c_action = 1;
 pub struct MordenAccountPatch;
 impl AccountPatch for MordenAccountPatch {
     fn initial_nonce() -> U256 { U256::from(1048576) }
+    fn initial_create_nonce() -> U256 { Self::initial_nonce() }
+    fn empty_considered_exists() -> bool { true }
 }
 
 pub type MordenFrontierPatch = FrontierPatch<MordenAccountPatch>;
@@ -39,6 +52,8 @@ static mut CUSTOM_INITIAL_NONCE: Option<U256> = None;
 pub struct CustomAccountPatch;
 impl AccountPatch for CustomAccountPatch {
     fn initial_nonce() -> U256 { U256::from(unsafe { CUSTOM_INITIAL_NONCE.unwrap() }) }
+    fn initial_create_nonce() -> U256 { Self::initial_nonce() }
+    fn empty_considered_exists() -> bool { true }
 }
 
 pub type CustomFrontierPatch = FrontierPatch<CustomAccountPatch>;
@@ -609,17 +624,6 @@ pub extern "C" fn sputnikvm_account_changes_copy_info(
                             }
                         }
                     },
-                    &AccountChange::DecreaseBalance(address, amount) => {
-                        c_account_change {
-                            typ: c_account_change_type::decrease_balance,
-                            value: c_account_change_value {
-                                balance: c_account_change_value_balance {
-                                    address: address.into(),
-                                    amount: amount.into(),
-                                },
-                            }
-                        }
-                    },
                 }
             }
         }