Add the smart chain id to the evm tx signature

contracts/periphery/contracts/s2s/calls/PangolinCalls.sol

@@ -17,6 +17,8 @@ library PangolinCalls {
     // https://github.com/darwinia-network/darwinia-messages-substrate/issues/107#issuecomment-1164185135
     uint64 public constant MAX_GAS_LIMIT  = 10_000_000;
 
+    uint64 public constant SMART_CHAIN_ID = 43;
+
     function system_remark(bytes memory remark)
         internal
         pure
@@ -53,6 +55,7 @@ library PangolinCalls {
                 PalletEthereum.buildTransactionV2ForMessageTransact(
                     gasLimit,
                     to,
+                    SMART_CHAIN_ID,
                     input
                 )
             );

contracts/periphery/contracts/s2s/examples/TransactDemo.sol

@@ -13,8 +13,6 @@ contract TransactDemo is PangoroXApp {
         init();
     }
 
-    uint256 public number;
-
     ///////////////////////////////////////////
     // used on the source chain
     ///////////////////////////////////////////
@@ -42,6 +40,8 @@ contract TransactDemo is PangoroXApp {
     ///////////////////////////////////////////
     // used on the target chain
     ///////////////////////////////////////////
+    uint256 public number;
+
     function add(uint256 _value) public {
         // This function is only allowed to be called by the derived address
         // of the message sender on the source chain.

contracts/periphery/contracts/s2s/test/Transact.sol

@@ -19,6 +19,7 @@ contract Transact {
                     1000000000, // gasPrice, get from the target chain
                     600000, // gasLimit, get from the target chain
                     0x50275d3F95E0F2FCb2cAb2Ec7A231aE188d7319d, // <------------------ change to the contract address on the target chain
+                    43, // smart chain id
                     0, // value, 0 means no value transfer
                     hex"1003e2d20000000000000000000000000000000000000000000000000000000000000002" // the add function bytes that will be called on the target chain, add(2)
                 )

contracts/periphery/contracts/s2s/types/PalletEthereum.sol

@@ -108,6 +108,7 @@ library PalletEthereum {
         uint256 gasLimit,
         address to,
         uint256 value,
+        uint64 smartChainId,
         bytes memory input
     )
         internal
@@ -124,9 +125,9 @@ library PalletEthereum {
             ),
             value,
             input,
-            0, // v
-            0, // r
-            0 // s
+            smartChainId * 2 + 36, // v
+            0x3737373737373737373737373737373737373737373737373737373737373737, // r
+            0x3737373737373737373737373737373737373737373737373737373737373737 // s
         );
 
         return
@@ -139,13 +140,14 @@ library PalletEthereum {
     function buildTransactionV2ForMessageTransact(
         uint256 gasLimit,
         address to,
+        uint64 smartChainId,
         bytes memory input
     )
         internal
         pure
         returns (EnumItemTransactionV2WithLegacyTransaction memory)
     {
         // nonce and gasPrice will be set by target chain
-        return buildTransactionV2(0, 0, gasLimit, to, 0, input);
+        return buildTransactionV2(0, 0, gasLimit, to, 0, smartChainId, input);
     }
 }