tests/solidity: add contract to test every opcode (ethereum#19283)

Fixes ethereum#18210
makerdao · Dec 20, 2019 · b7c22d0 · b7c22d0
1 parent ae4c946
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diff --git a/tests/solidity/bytecode.js b/tests/solidity/bytecode.js
diff --git a/tests/solidity/contracts/Migrations.sol b/tests/solidity/contracts/Migrations.sol
@@ -0,0 +1,23 @@
+pragma solidity >=0.4.21 <0.6.0;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  constructor() public {
+    owner = msg.sender;
+  }
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+
+  function upgrade(address new_address) public restricted {
+    Migrations upgraded = Migrations(new_address);
+    upgraded.setCompleted(last_completed_migration);
+  }
+}