diff --git a/.gitmodules b/.gitmodules
index e124719..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "lib/ds-test"]
-	path = lib/ds-test
-	url = https://github.com/dapphub/ds-test
diff --git a/Makefile b/Makefile
deleted file mode 100644
index c5697bb..0000000
--- a/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all:; dapp build
-test:; dapp test
diff --git a/contracts/DSMath.sol b/contracts/DSMath.sol
new file mode 100644
index 0000000..5a02943
--- /dev/null
+++ b/contracts/DSMath.sol
@@ -0,0 +1,74 @@
+/// math.sol -- mixin for inline numerical wizardry
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity 0.4.24;
+
+import "./DSMathL.sol";
+
+contract DSMath {
+    using DSMathL for uint;
+    using DSMathL for int;
+
+    uint constant WAD = 10 ** 18;
+    uint constant RAY = 10 ** 27;
+
+    function add(uint x, uint y) public pure returns (uint z) {
+        return x.ds_add(y);
+    }
+    
+    function sub(uint x, uint y) public pure returns (uint z) {
+        return x.ds_sub(y);
+    }
+
+    function mul(uint x, uint y) public pure returns (uint z) {
+        return x.ds_mul(y);
+    }
+
+    function min(uint x, uint y) public pure returns (uint z) {
+        return x.ds_min(y);
+    }
+
+    function max(uint x, uint y) public pure returns (uint z) {
+        return x.ds_max(y);
+    }
+
+    function imin(int x, int y) public pure returns (int z) {
+        return x.ds_imin(y);
+    }
+
+    function imax(int x, int y) public pure returns (int z) {
+        return x.ds_imax(y);
+    }
+
+    function wmul(uint x, uint y) public pure returns (uint) {
+        return x.ds_wmul(y);
+    }
+
+    function rmul(uint x, uint y) public pure returns (uint) {
+        return x.ds_rmul(y);
+    }
+
+    function wdiv(uint x, uint y) public pure returns (uint) {
+        return x.ds_wdiv(y);
+    }
+
+    function rdiv(uint x, uint y) public pure returns (uint) {
+        return x.ds_rdiv(y);
+    }
+
+    function rpow(uint x, uint n) public pure returns (uint) {
+        return x.ds_rpow(n);
+    }
+}
diff --git a/src/math.sol b/contracts/DSMathL.sol
similarity index 63%
rename from src/math.sol
rename to contracts/DSMathL.sol
index 0d12e17..8fd31c6 100644
--- a/src/math.sol
+++ b/contracts/DSMathL.sol
@@ -13,46 +13,46 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-pragma solidity >0.4.13;
+pragma solidity 0.4.24;
 
-contract DSMath {
-    function add(uint x, uint y) internal pure returns (uint z) {
+library DSMathL {
+    function ds_add(uint x, uint y) public pure returns (uint z) {
         require((z = x + y) >= x, "ds-math-add-overflow");
     }
-    function sub(uint x, uint y) internal pure returns (uint z) {
+    function ds_sub(uint x, uint y) public pure returns (uint z) {
         require((z = x - y) <= x, "ds-math-sub-underflow");
     }
-    function mul(uint x, uint y) internal pure returns (uint z) {
+    function ds_mul(uint x, uint y) public pure returns (uint z) {
         require(y == 0 || (z = x * y) / y == x, "ds-math-mul-overflow");
     }
 
-    function min(uint x, uint y) internal pure returns (uint z) {
+    function ds_min(uint x, uint y) public pure returns (uint z) {
         return x <= y ? x : y;
     }
-    function max(uint x, uint y) internal pure returns (uint z) {
+    function ds_max(uint x, uint y) public pure returns (uint z) {
         return x >= y ? x : y;
     }
-    function imin(int x, int y) internal pure returns (int z) {
+    function ds_imin(int x, int y) public pure returns (int z) {
         return x <= y ? x : y;
     }
-    function imax(int x, int y) internal pure returns (int z) {
+    function ds_imax(int x, int y) public pure returns (int z) {
         return x >= y ? x : y;
     }
 
     uint constant WAD = 10 ** 18;
     uint constant RAY = 10 ** 27;
 
-    function wmul(uint x, uint y) internal pure returns (uint z) {
-        z = add(mul(x, y), WAD / 2) / WAD;
+    function ds_wmul(uint x, uint y) public pure returns (uint z) {
+        z = ds_add(ds_mul(x, y), WAD / 2) / WAD;
     }
-    function rmul(uint x, uint y) internal pure returns (uint z) {
-        z = add(mul(x, y), RAY / 2) / RAY;
+    function ds_rmul(uint x, uint y) public pure returns (uint z) {
+        z = ds_add(ds_mul(x, y), RAY / 2) / RAY;
     }
-    function wdiv(uint x, uint y) internal pure returns (uint z) {
-        z = add(mul(x, WAD), y / 2) / y;
+    function ds_wdiv(uint x, uint y) public pure returns (uint z) {
+        z = ds_add(ds_mul(x, WAD), y / 2) / y;
     }
-    function rdiv(uint x, uint y) internal pure returns (uint z) {
-        z = add(mul(x, RAY), y / 2) / y;
+    function ds_rdiv(uint x, uint y) public pure returns (uint z) {
+        z = ds_add(ds_mul(x, RAY), y / 2) / y;
     }
 
     // This famous algorithm is called "exponentiation by squaring"
@@ -70,14 +70,14 @@ contract DSMath {
     //  Also, EVM division is flooring and
     //    floor[(n-1) / 2] = floor[n / 2].
     //
-    function rpow(uint x, uint n) internal pure returns (uint z) {
+    function ds_rpow(uint x, uint n) public pure returns (uint z) {
         z = n % 2 != 0 ? x : RAY;
 
         for (n /= 2; n != 0; n /= 2) {
-            x = rmul(x, x);
+            x = ds_rmul(x, x);
 
             if (n % 2 != 0) {
-                z = rmul(z, x);
+                z = ds_rmul(z, x);
             }
         }
     }
diff --git a/contracts/Migrations.sol b/contracts/Migrations.sol
new file mode 100644
index 0000000..69c127d
--- /dev/null
+++ b/contracts/Migrations.sol
@@ -0,0 +1,23 @@
+pragma solidity 0.4.24;
+
+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);
+    }
+}
diff --git a/src/math.t.sol b/contracts/ds-test/DSMathTest.t.sol
similarity index 97%
rename from src/math.t.sol
rename to contracts/ds-test/DSMathTest.t.sol
index 3baca60..4c00968 100644
--- a/src/math.t.sol
+++ b/contracts/ds-test/DSMathTest.t.sol
@@ -11,10 +11,10 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-pragma solidity >0.4.13;
+pragma solidity 0.4.24;
 
-import "ds-test/test.sol";
-import "./math.sol";
+import "./DSTest.sol";
+import "../DSMath.sol";
 
 contract DSMathTest is DSTest, DSMath {
     function testFail_add() public pure {
diff --git a/contracts/ds-test/DSTest.sol b/contracts/ds-test/DSTest.sol
new file mode 100644
index 0000000..e3b7997
--- /dev/null
+++ b/contracts/ds-test/DSTest.sol
@@ -0,0 +1,139 @@
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity 0.4.24;
+
+contract DSTest {
+    event eventListener          (address target, bool exact);
+    event logs                   (bytes);
+    event log_bytes32            (bytes32);
+    event log_named_address      (bytes32 key, address val);
+    event log_named_bytes32      (bytes32 key, bytes32 val);
+    event log_named_decimal_int  (bytes32 key, int val, uint decimals);
+    event log_named_decimal_uint (bytes32 key, uint val, uint decimals);
+    event log_named_int          (bytes32 key, int val);
+    event log_named_uint         (bytes32 key, uint val);
+
+    bool public IS_TEST;
+    bool public failed;
+    bool SUPPRESS_SETUP_WARNING;  // hack for solc pure restriction warning
+
+    constructor() internal {
+        IS_TEST = true;
+    }
+
+    function setUp() public {
+        SUPPRESS_SETUP_WARNING = true;  // totally unused by anything
+    }
+
+    function fail() internal {
+        failed = true;
+    }
+
+    function expectEventsExact(address target) internal {
+        emit eventListener(target, true);
+    }
+
+    modifier logs_gas() {
+        uint startGas = gasleft();
+        _;
+        uint endGas = gasleft();
+        emit log_named_uint("gas", startGas - endGas);
+    }
+
+    function assertTrue(bool condition) internal {
+        if (!condition) {
+            emit log_bytes32("Assertion failed");
+            fail();
+        }
+    }
+
+    function assertEq(address a, address b) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong `address' value");
+            emit log_named_address("  Expected", b);
+            emit log_named_address("    Actual", a);
+            fail();
+        }
+    }
+
+    function assertEq32(bytes32 a, bytes32 b) internal {
+        assertEq(a, b);
+    }
+
+    function assertEq(bytes32 a, bytes32 b) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong `bytes32' value");
+            emit log_named_bytes32("  Expected", b);
+            emit log_named_bytes32("    Actual", a);
+            fail();
+        }
+    }
+
+    function assertEqDecimal(int a, int b, uint decimals) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong fixed-point decimal");
+            emit log_named_decimal_int("  Expected", b, decimals);
+            emit log_named_decimal_int("    Actual", a, decimals);
+            fail();
+        }
+    }
+
+    function assertEqDecimal(uint a, uint b, uint decimals) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong fixed-point decimal");
+            emit log_named_decimal_uint("  Expected", b, decimals);
+            emit log_named_decimal_uint("    Actual", a, decimals);
+            fail();
+        }
+    }
+
+    function assertEq(int a, int b) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong `int' value");
+            emit log_named_int("  Expected", b);
+            emit log_named_int("    Actual", a);
+            fail();
+        }
+    }
+
+    function assertEq(uint a, uint b) internal {
+        if (a != b) {
+            emit log_bytes32("Error: Wrong `uint' value");
+            emit log_named_uint("  Expected", b);
+            emit log_named_uint("    Actual", a);
+            fail();
+        }
+    }
+
+    function assertEq0(bytes memory a, bytes memory b) internal {
+        bool ok = true;
+
+        if (a.length == b.length) {
+            for (uint i = 0; i < a.length; i++) {
+                if (a[i] != b[i]) {
+                    ok = false;
+                }
+            }
+        } else {
+            ok = false;
+        }
+
+        if (!ok) {
+            emit log_bytes32("Error: Wrong `bytes' value");
+            emit log_named_bytes32("  Expected", "[cannot show `bytes' value]");
+            emit log_named_bytes32("  Actual", "[cannot show `bytes' value]");
+            fail();
+        }
+    }
+}
\ No newline at end of file
diff --git a/default.nix b/default.nix
deleted file mode 100644
index 6de4023..0000000
--- a/default.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-{ solidityPackage, dappsys }: solidityPackage {
-  name = "ds-math";
-  deps = with dappsys; [ds-test];
-  src = ./src;
-}
diff --git a/lib/ds-test b/lib/ds-test
deleted file mode 160000
index b247145..0000000
--- a/lib/ds-test
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b24714595775e8ef676493261508cc231e583a83
diff --git a/migrations/1_initial_migration.js b/migrations/1_initial_migration.js
new file mode 100644
index 0000000..2847679
--- /dev/null
+++ b/migrations/1_initial_migration.js
@@ -0,0 +1,7 @@
+var Migrations = artifacts.require("./Migrations.sol");
+
+module.exports = function(deployer) {
+  deployer.then(async () => { //fake async await support: https://github.com/trufflesuite/truffle/issues/501
+    await deployer.deploy(Migrations)
+  })
+};
diff --git a/migrations/2_initial_migration.js b/migrations/2_initial_migration.js
new file mode 100644
index 0000000..8797000
--- /dev/null
+++ b/migrations/2_initial_migration.js
@@ -0,0 +1,14 @@
+var DSMathL = artifacts.require("./DSMathL.sol");
+var DSMath = artifacts.require("./DSMath.sol");
+var DSMathTest = artifacts.require("./DSMathTest.sol");
+
+module.exports = function(deployer) {
+  deployer.then(async () => { //fake async await support: https://github.com/trufflesuite/truffle/issues/501
+    //deploy library
+    await deployer.deploy(DSMathL)
+
+    //link library
+    await deployer.link(DSMathL, DSMath)
+    await deployer.link(DSMathL, DSMathTest)
+  })
+}
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..48da2a3
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,725 @@
+{
+  "name": "ds-math",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
+    },
+    "assertion-error": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "browser-stdout": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
+    "builtin-modules": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+      "dev": true
+    },
+    "camelcase": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+      "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+      "dev": true
+    },
+    "chai": {
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+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
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+      "dev": true,
+      "requires": {
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.2",
+        "deep-eql": "^3.0.1",
+        "get-func-name": "^2.0.0",
+        "pathval": "^1.1.0",
+        "type-detect": "^4.0.5"
+      }
+    },
+    "check-error": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
+      "dev": true
+    },
+    "cliui": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
+      "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wrap-ansi": "^2.0.0"
+      }
+    },
+    "code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "dev": true
+    },
+    "commander": {
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
+      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "dev": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
+    "decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+      "dev": true
+    },
+    "deep-eql": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+      "integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
+      "dev": true,
+      "requires": {
+        "type-detect": "^4.0.0"
+      }
+    },
+    "diff": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
+      "integrity": "sha512-MKPHZDMB0o6yHyDryUOScqZibp914ksXwAMYMTHj6KO8UeKsRYNJD3oNCKjTqZon+V488P7N/HzXF8t7ZR95ww==",
+      "dev": true
+    },
+    "error-ex": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
+      "integrity": "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==",
+      "dev": true,
+      "requires": {
+        "is-arrayish": "^0.2.1"
+      }
+    },
+    "escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true
+    },
+    "find-up": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
+      "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
+      "dev": true,
+      "requires": {
+        "path-exists": "^2.0.0",
+        "pinkie-promise": "^2.0.0"
+      }
+    },
+    "fs-extra": {
+      "version": "0.30.0",
+      "resolved": "http://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
+      "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
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+    },
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+      "resolved": "https://registry.npmjs.org/truffle/-/truffle-4.1.14.tgz",
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+      "dev": true,
+      "requires": {
+        "mocha": "^4.1.0",
+        "original-require": "1.0.1",
+        "solc": "0.4.24"
+      }
+    },
+    "type-detect": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+      "dev": true
+    },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "dev": true
+    },
+    "window-size": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.2.0.tgz",
+      "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU=",
+      "dev": true
+    },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "y18n": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "dev": true
+    },
+    "yargs": {
+      "version": "4.8.1",
+      "resolved": "http://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
+      "integrity": "sha1-wMQpJMpKqmsObaFznfshZDn53cA=",
+      "dev": true,
+      "requires": {
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "lodash.assign": "^4.0.3",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.1",
+        "which-module": "^1.0.0",
+        "window-size": "^0.2.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^2.4.1"
+      }
+    },
+    "yargs-parser": {
+      "version": "2.4.1",
+      "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
+      "integrity": "sha1-hVaN488VD/SfpRgl8DqMiA3cxcQ=",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "lodash.assign": "^4.0.6"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..0e95224
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "ds-math",
+  "version": "1.0.0",
+  "description": "<h2>DSMath   <small class=\"text-muted\">     <a href=\"https://github.com/dapphub/ds-math\"><span class=\"fa fa-github\"></span></a>   </small> </h2>",
+  "main": "truffle-config.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "./node_modules/.bin/truffle test",
+    "compile": "./node_modules/.bin/truffle compile"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com-as-conda:dapphub/ds-math.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "truffle": "^4.1.14",
+    "chai": "^4.2.0"
+  },
+  "dependencies": {}
+}
diff --git a/test/helpers/shouldFail.js b/test/helpers/shouldFail.js
new file mode 100644
index 0000000..e8159e0
--- /dev/null
+++ b/test/helpers/shouldFail.js
@@ -0,0 +1,39 @@
+//copied from openzeppelin (https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/test/helpers/shouldFail.js)
+
+const should = require('chai')
+  .should();
+
+async function shouldFailWithMessage (promise, message) {
+  try {
+    await promise;
+  } catch (error) {
+    if (message) {
+      error.message.should.include(message, `Wrong failure type, expected '${message}'`);
+    }
+    return;
+  }
+
+  should.fail('Expected failure not received');
+}
+
+async function reverting (promise) {
+  await shouldFailWithMessage(promise, 'revert');
+}
+
+async function throwing (promise) {
+  await shouldFailWithMessage(promise, 'invalid opcode');
+}
+
+async function outOfGas (promise) {
+  await shouldFailWithMessage(promise, 'out of gas');
+}
+
+async function shouldFail (promise) {
+  await shouldFailWithMessage(promise);
+}
+
+shouldFail.reverting = reverting;
+shouldFail.throwing = throwing;
+shouldFail.outOfGas = outOfGas;
+
+module.exports = shouldFail;
diff --git a/test/math.t.test.js b/test/math.t.test.js
new file mode 100644
index 0000000..feff089
--- /dev/null
+++ b/test/math.t.test.js
@@ -0,0 +1,78 @@
+const DSMathTest = artifacts.require("DSMathTest")
+let shouldFail = require('./helpers/shouldFail.js')
+
+contract('DSMathTest', async (accounts) => {
+    let math = null
+
+    before(async () => {
+        math = await DSMathTest.new()
+    })
+
+    it('testFail_add()', async() => {
+        await shouldFail.reverting(math.testFail_add())
+    })
+
+    it('testFail_sub()', async() => {
+        await shouldFail.reverting(math.testFail_sub())
+    })
+
+    it('test_sub()', async() => {
+        await math.test_sub()
+    })
+
+    it('testFail_mul()', async() => {
+        await shouldFail.reverting(math.testFail_mul())
+    })
+
+    it('test_mul()', async() => {
+        await math.test_mul()
+    })
+
+    it('test_min()', async() => {
+        await math.test_min()
+    })
+
+    it('test_max()', async() => {
+        await math.test_max()
+    })
+
+    it('test_imin()', async() => {
+        await math.test_imin()
+    })
+
+    it('test_imax()', async() => {
+        await math.test_imax()
+    })
+
+    it('testFail_wmul_overflow()', async() => {
+        await shouldFail.reverting(math.testFail_wmul_overflow())
+    })
+
+    it('test_wmul_trivial()', async() => {
+        await math.test_wmul_trivial()
+    })
+
+    it('test_wmul_fractions()', async() => {
+        await math.test_wmul_fractions()
+    })
+
+    it('testFail_wdiv_zero()', async() => {
+        await shouldFail.reverting(math.testFail_wdiv_zero())
+    })
+
+    it('test_wdiv_trivial()', async() => {
+        await math.test_wdiv_trivial()
+    })
+
+    it('test_wdiv_fractions()', async() => {
+        await math.test_wdiv_fractions()
+    })
+
+    it('test_wmul_rounding()', async() => {
+        await math.test_wmul_rounding()
+    })
+
+    it('test_rmul_rounding()', async() => {
+        await math.test_rmul_rounding()
+    })
+})
\ No newline at end of file
diff --git a/test/math.test.js b/test/math.test.js
new file mode 100644
index 0000000..5a5306d
--- /dev/null
+++ b/test/math.test.js
@@ -0,0 +1,15 @@
+const DSTest = artifacts.require("DSMath")
+
+contract('Math', async (accounts) => {
+    let math = null
+
+    before(async () => {
+        math = await DSTest.new()
+    })
+
+    it('add()', async() => {
+        const onePlusOne = await math.add(1, 1)
+
+        assert.equal(onePlusOne, 2, "add incorrect")
+    })
+})
\ No newline at end of file
diff --git a/truffle.js b/truffle.js
new file mode 100644
index 0000000..061da5a
--- /dev/null
+++ b/truffle.js
@@ -0,0 +1,11 @@
+
+module.exports = {
+  networks: {
+    development: {
+      host: "localhost",
+      port: 8545,
+      network_id: "*",
+      gas: 4700000 //4700000 is same as ropsten
+    }
+  }
+}
\ No newline at end of file