Add rpc info

contracts/test/TestERC20.sol

@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity 0.8.19;
+
+import '@openzeppelin/contracts/token/ERC20/ERC20.sol';
+import '@openzeppelin/contracts/access/Ownable.sol';
+
+contract TestERC20 is ERC20, Ownable {
+  // Constructor
+  constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_) {}
+
+  //====================[  Internal  ]====================
+
+  // Unpack data to get token amount and wallet address
+  function _unpack(uint256 value) internal pure returns (uint96, address) {
+    return (uint96(value >> 160), address(uint160(value)));
+  }
+
+  //====================[  Owner  ]====================
+
+  // Mint token in packed data
+  function batchMint(uint256[] calldata packedData) external onlyOwner returns (uint256) {
+    for (uint i = 0; i < packedData.length; i += 1) {
+      (uint96 amount, address to) = _unpack(packedData[i]);
+      _mint(to, amount);
+    }
+    return packedData.length;
+  }
+
+  // Burn token in packed data
+  function batchBurn(uint256[] calldata packedData) external onlyOwner returns (uint256) {
+    for (uint i = 0; i < packedData.length; i += 1) {
+      (uint96 amount, address from) = _unpack(packedData[i]);
+      _burn(from, amount);
+    }
+    return packedData.length;
+  }
+}