embed mc lib into genesis

1 files changed, 18 insertions, 0 deletions

diff --git a/examples/multicoin/mc_test.sol b/examples/multicoin/mc_test.sol
new file mode 100644
index 0000000..031cba0
--- /dev/null
+++ b/examples/multicoin/mc_test.sol
@@ -0,0 +1,18 @@
+pragma solidity >=0.6.0;
+
+contract MCTest {
+    address constant MultiCoin = 0x0100000000000000000000000000000000000000;
+    constructor() public {
+        // enable multi-coin functionality (it is disabled by default)
+        (bool success,) = MultiCoin.delegatecall(abi.encodeWithSignature("enableMultiCoin()"));
+        require(success);
+    }
+
+    function getBalance(uint256 coinid) public returns (uint256) {
+        (bool success, bytes memory data) = MultiCoin.delegatecall(abi.encodeWithSignature("getBalance(uint256)", coinid));
+        require(success);
+        return abi.decode(data, (uint256));
+    }
+
+    function deposit() public payable {}
+}