diff --git a/fingerprint.js b/fingerprint.js
new file mode 100644
index 0000000..f4ab70a
--- /dev/null
+++ b/fingerprint.js
@@ -0,0 +1,22 @@
+const DB = require("electron-fingerprints");
+
+module.exports = {
+  guessFromHashes: function(os, arch, hashList) {
+    let lookupTable = DB[`${os}-${arch}`]
+    let allPossibleHashes = Object.keys(lookupTable)
+    const intersectingHashes = allPossibleHashes.filter((value) =>
+      hashList.includes(value)
+    );
+    // Set it to the starting list of versions.
+    let possibleVersions = lookupTable[intersectingHashes[0]];
+    for (i in hashList) {
+      let hash = hashList[i];
+      let versions = lookupTable[hash];
+      possibleVersions = possibleVersions.filter((value) =>
+        versions.includes(value)
+      );
+    }
+
+    return possibleVersions;
+  },
+};
diff --git a/package-lock.json b/package-lock.json
index 30fb6f6..3cb6e7b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,9 @@
       },
       "bin": {
         "which-electron": "index.js"
+      },
+      "devDependencies": {
+        "kuta": "*"
       }
     },
     "node_modules/@types/glob": {
@@ -65,6 +68,18 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "node_modules/blessed": {
+      "version": "0.1.81",
+      "resolved": "https://registry.npmjs.org/blessed/-/blessed-0.1.81.tgz",
+      "integrity": "sha1-+WLWh+wsNpVwrnGvhDJW5tDKESk=",
+      "dev": true,
+      "bin": {
+        "blessed": "bin/tput.js"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -79,6 +94,27 @@
       "resolved": "https://registry.npmjs.org/chromium-pickle-js/-/chromium-pickle-js-0.2.0.tgz",
       "integrity": "sha1-BKEGZywYsIWrd02YPfo+oTjyIgU="
     },
+    "node_modules/cli-cursor": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+      "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+      "dev": true,
+      "dependencies": {
+        "restore-cursor": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.1.90"
+      }
+    },
     "node_modules/commander": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-5.1.0.tgz",
@@ -169,6 +205,23 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "node_modules/kuta": {
+      "version": "2.0.0-beta.6",
+      "resolved": "https://registry.npmjs.org/kuta/-/kuta-2.0.0-beta.6.tgz",
+      "integrity": "sha512-MbBNzXs7RroFZ7aCG5tYveRCvMws3yoiK6f1dRsOkOlDa1+QRk/kGKukG7WKgcyT6Jw6W66Hc22gp3zKg2ZtPQ==",
+      "dev": true,
+      "dependencies": {
+        "blessed": "^0.1.81",
+        "cli-cursor": "^2.1.0",
+        "colors": "^1.1.2",
+        "glob": "^7.1.1",
+        "minimist": "^1.2.0",
+        "qfgets": "^1.1.1"
+      },
+      "bin": {
+        "kuta": "bin/cli.js"
+      }
+    },
     "node_modules/lodash.defaultsdeep": {
       "version": "4.6.1",
       "resolved": "https://registry.npmjs.org/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz",
@@ -202,6 +255,15 @@
         "endian-reader": "^0.1.0"
       }
     },
+    "node_modules/mimic-fn": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+      "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -213,6 +275,12 @@
         "node": "*"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+      "dev": true
+    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -251,6 +319,18 @@
         "wrappy": "1"
       }
     },
+    "node_modules/onetime": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
+      "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
+      "dev": true,
+      "dependencies": {
+        "mimic-fn": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -259,6 +339,34 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/qfgets": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/qfgets/-/qfgets-1.1.1.tgz",
+      "integrity": "sha1-SlC1tSMtWnDIhlvE6mQo302nMsI=",
+      "dev": true,
+      "engines": {
+        "node": ">=0.0.0"
+      }
+    },
+    "node_modules/restore-cursor": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
+      "integrity": "sha1-n37ih/gv0ybU/RYpI9YhKe7g368=",
+      "dev": true,
+      "dependencies": {
+        "onetime": "^2.0.0",
+        "signal-exit": "^3.0.2"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/signal-exit": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
+      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
+      "dev": true
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -305,6 +413,12 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "blessed": {
+      "version": "0.1.81",
+      "resolved": "https://registry.npmjs.org/blessed/-/blessed-0.1.81.tgz",
+      "integrity": "sha1-+WLWh+wsNpVwrnGvhDJW5tDKESk=",
+      "dev": true
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -319,6 +433,21 @@
       "resolved": "https://registry.npmjs.org/chromium-pickle-js/-/chromium-pickle-js-0.2.0.tgz",
       "integrity": "sha1-BKEGZywYsIWrd02YPfo+oTjyIgU="
     },
+    "cli-cursor": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+      "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+      "dev": true,
+      "requires": {
+        "restore-cursor": "^2.0.0"
+      }
+    },
+    "colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
+      "dev": true
+    },
     "commander": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-5.1.0.tgz",
@@ -394,6 +523,20 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "kuta": {
+      "version": "2.0.0-beta.6",
+      "resolved": "https://registry.npmjs.org/kuta/-/kuta-2.0.0-beta.6.tgz",
+      "integrity": "sha512-MbBNzXs7RroFZ7aCG5tYveRCvMws3yoiK6f1dRsOkOlDa1+QRk/kGKukG7WKgcyT6Jw6W66Hc22gp3zKg2ZtPQ==",
+      "dev": true,
+      "requires": {
+        "blessed": "^0.1.81",
+        "cli-cursor": "^2.1.0",
+        "colors": "^1.1.2",
+        "glob": "^7.1.1",
+        "minimist": "^1.2.0",
+        "qfgets": "^1.1.1"
+      }
+    },
     "lodash.defaultsdeep": {
       "version": "4.6.1",
       "resolved": "https://registry.npmjs.org/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz",
@@ -427,6 +570,12 @@
         "endian-reader": "^0.1.0"
       }
     },
+    "mimic-fn": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+      "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
+      "dev": true
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -435,6 +584,12 @@
         "brace-expansion": "^1.1.7"
       }
     },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+      "dev": true
+    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -467,11 +622,42 @@
         "wrappy": "1"
       }
     },
+    "onetime": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
+      "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
+      "dev": true,
+      "requires": {
+        "mimic-fn": "^1.0.0"
+      }
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
     },
+    "qfgets": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/qfgets/-/qfgets-1.1.1.tgz",
+      "integrity": "sha1-SlC1tSMtWnDIhlvE6mQo302nMsI=",
+      "dev": true
+    },
+    "restore-cursor": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
+      "integrity": "sha1-n37ih/gv0ybU/RYpI9YhKe7g368=",
+      "dev": true,
+      "requires": {
+        "onetime": "^2.0.0",
+        "signal-exit": "^3.0.2"
+      }
+    },
+    "signal-exit": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
+      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
+      "dev": true
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index e18bb1d..c26baf0 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "which-electron": "index.js"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "kuta tests/*.js"
   },
   "repository": {
     "type": "git",
@@ -32,5 +32,8 @@
     "elfinfo": "*",
     "macho": "^1.4.0",
     "node-7z": "^3.0.0"
+  },
+  "devDependencies": {
+    "kuta": "*"
   }
 }
diff --git a/tests/fingerprint.js b/tests/fingerprint.js
new file mode 100644
index 0000000..dd3b4d2
--- /dev/null
+++ b/tests/fingerprint.js
@@ -0,0 +1,18 @@
+const test = require('kuta').test;
+const fp = require('../fingerprint')
+const assert = require('assert')
+
+test('it should work with a single fingerprint', ()=> {
+  guess = fp.guessFromHashes('win32', 'x64', ['cbdbe566564c323032c02c1a838358a314af63b4'])
+  assert.deepEqual(guess, ["v0.24.0"])
+});
+
+test('it should work with multiple fingerprints', ()=> {
+  hashes = [
+    '45c1db70ce3062aae85069629519e61bac6cf5d2',
+    '944bff8704d4b152279fbdacb911b516502be056',
+    '3c592e2cdadbb0bcd8f522071a63da5febe9aa37'
+  ]
+  guess = fp.guessFromHashes('darwin', 'x64', hashes)
+  assert.deepEqual(guess, ["v1.7.6"])
+});