Add metacoin example project

1 files changed, 25 insertions, 0 deletions

diff --git a/packages/metacoin/contracts/Metacoin.sol b/packages/metacoin/contracts/Metacoin.sol
new file mode 100644
index 000000000..6b6814b21
--- /dev/null
+++ b/packages/metacoin/contracts/Metacoin.sol
@@ -0,0 +1,25 @@
+pragma solidity ^0.4.21;
+pragma experimental ABIEncoderV2;
+
+contract Metacoin {
+    mapping (address => uint) public balances;
+
+    event Transfer(address indexed _from, address indexed _to, uint256 _value);
+
+    struct TransferData {
+        address to;
+        uint256 amount;
+    }
+
+    function Metacoin() public {
+        balances[msg.sender] = 10000;
+    }
+
+    function transfer(TransferData transferData) public returns (bool success) {
+        if (balances[msg.sender] < transferData.amount) return false;
+        balances[msg.sender] -= transferData.amount;
+        balances[transferData.to] += transferData.amount;
+        Transfer(msg.sender, transferData.to, transferData.amount);
+        return true;
+    }
+}