增加替换ehereumjs-util.signature.ecsign签名的方法

examples/test.rs

@@ -6,7 +6,7 @@
 
 use std::ffi::{CStr, CString};
 use std::os::raw::c_char;
-use rustwallet::{new_wallet, get_address, restore_wallet, reset_wallet, free_cwallet, sign, CWallet};
+use rustwallet::{new_wallet, get_address, restore_wallet, reset_wallet, free_cwallet, sign, sign_for_tran, CWallet};
 
 macro_rules! print_cchar{
     ($p1:expr) => (
@@ -47,22 +47,26 @@ macro_rules! str_to_cchar {
 
 fn main() {
     unsafe {
-        let msg = "111";
+        let msg = "099c9c3da391df6e7e82141888db5cca";
         let wallet: CWallet = new_wallet(str_to_cchar!(msg));
         println!("---- generated a wallet to be used on C-side ----");
         print_wallet(&wallet);
         let address = get_address(&wallet);
         print_cchar!(address);
-        // let address_str = cchar_to_str!(address);
-        // println!("address: {}", address_str);
-        let key0 = "3da2dfc54de71230f639f37de61d8f8c4699f75e783dc54353146a4b73250366";
-        let key1 = "a1a3ed90e41a37096f07957b9888ffa7a74406f3a3e8c77686d92f2ba7c22d58";
-        let key2 = "27216cbe70021d5d1d018da5ab548b8b45dee4fd9ec0b33ab1dd264cf2ff249f";
+        let address_str = cchar_to_str!(address);
+        println!("address: {}", address_str);
+        let sign_str = sign_for_tran(&wallet,str_to_cchar!("cc0dac9a2bd7125bbe9130b83053494860f7a444868a45a9c00a865631ba8894"));
+        print_cchar!(sign_str);
+
+
+        let key0 = "aadcabedb89a41db4c815bd149d3e7a1ff04247947efd5768666ba5f5e2df2e2";
+        let key1 = "5b5d60194aa6588db9c52182a50d4657d918af3a9ff681207243957bac94791a";
+        let key2 = "";
         let tmp_cwallet = CWallet{
             msg_key: str_to_cchar!(msg),
             master_key: str_to_cchar!(key0),
-            second_key: str_to_cchar!(""),
-            backup_key: str_to_cchar!(key2)
+            second_key: str_to_cchar!(key1),
+            backup_key: str_to_cchar!("")
         };
         let address2 = get_address(&tmp_cwallet);
         print_cchar!(address2);

src/lib.rs

@@ -140,6 +140,19 @@ pub unsafe extern "C" fn sign(cw: &CWallet, msg: *const c_char) -> *mut c_char{
     str_to_cchar!(r)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn sign_for_tran(cw: &CWallet, msg: *const c_char) -> *mut c_char{
+    let rwallet = convert_to_rwallet(cw);
+    println!("rwallet: {:?}", rwallet);
+    let msg_str = cchar_to_str!(msg);
+    let signature = rwallet.sign_for_tran(msg_str);
+    let r = match signature {
+        Ok(v) => v,
+        Err(err) => panic!("Problem sign: {:?}", err),
+    };
+    str_to_cchar!(r)
+}
+
 
 unsafe fn convert_to_cwallet(rwallet: Wallet) -> CWallet {
     // 转换Rust字符串数据为C的字符串并移交ownership

src/wallet/wallet_impl.rs

@@ -228,7 +228,6 @@ impl Wallet {
         let message = msg.as_ref();
         let message_hash = hash_message(message.as_ref());
         println!("secret key: {:?}", &secret_key);
-
         let message_to_hash = Message::from_slice(message_hash.as_ref()).unwrap();
         let (recovery_id, signature) = secp
             .sign_ecdsa_recoverable(&message_to_hash, &secret_key)
@@ -244,4 +243,18 @@ impl Wallet {
 
         Ok(s)
     }
+    pub fn sign_for_tran<S>(&self, msg: S) -> Result<String>
+    where
+        S: AsRef<[u8]>,
+    {
+        let secp = Secp256k1::new();
+        let secret_key = self.get_secret_key();
+        let hex_str = hex::decode(msg).unwrap();
+        let message_to_hash = Message::from_slice(&hex_str).unwrap();
+        let (_recovery_id, signature) = secp
+            .sign_ecdsa_recoverable(&message_to_hash, &secret_key)
+            .serialize_compact();
+        let s = hex::encode(signature);
+        Ok(s)
+    }
 }