remove atomic swap code

3 files changed, 2 insertions, 531 deletions

diff --git a/package.json b/package.json
index c4a80372..cd029027 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,6 @@
     "imap": "^0.8.19",
     "jsonwebtoken": "^8.5.1",
     "knex": "^0.95.6",
-    "level": "^6.0.1",
     "lnurl": "^0.16.1",
     "long": "^4.0.0",
     "mailgun-js": "^0.22.0",
diff --git a/routes/swaps.js b/routes/swaps.js
index 9d0f9929..a220a1fc 100644
--- a/routes/swaps.js
+++ b/routes/swaps.js
@@ -1,9 +1,6 @@
 const axios = require("axios");
 const crypto = require("crypto");
-const level = require("level");
 const fs = require("fs");
-const { spawn } = require("child_process");
-const leveldb = level("leveldb");
 const getAccount = require("../lib/account");
 const { Op, col } = require("sequelize");
 const uuidv4 = require("uuid/v4");
@@ -23,105 +20,8 @@ const assets = {
   "4eebe36eb0819e6daa5dd3c97733251ff4eb728c810d949365d6dacaad5ef6e8": "tether"
 };
 
-const swapsdir = "swaps/";
-if (!fs.existsSync(swapsdir)) {
-  fs.mkdirSync(swapsdir);
-}
-
 const timeout = 20000;
 
-const cli = (...args) => {
-  const params = ["--regtest", "-c", config.liquid.conf, ...args];
-  if (config.liquid.network !== "regtest") params.shift();
-  l.info("spawning liquidswap-cli with params:", params);
-  return spawn("liquidswap-cli", params);
-};
-
-const getInfo = filename =>
-  new Promise((resolve, reject) => {
-    const proc = cli("info", swapsdir + filename);
-
-    proc.stdout.on("data", data => {
-      resolve(data.toString());
-    });
-
-    proc.stderr.on("data", err => {
-      l.error("info error", err.toString());
-      reject(err.toString());
-    });
-
-    proc.on("close", (code, signal) => {
-      let msg = (code && code.toString()) || (signal && signal.toString());
-      reject(new Error(`Liquid swap tool process closed unexpectedly: ${msg}`));
-    });
-
-    proc.on("exit", (code, signal) => {
-      let msg = (code && code.toString()) || (signal && signal.toString());
-      reject(new Error(`Liquid swap tool process exited unexpectedly: ${msg}`));
-    });
-
-    setTimeout(
-      () => reject(new Error("Liquid swap tool timed out"), proc),
-      timeout
-    );
-  });
-
-app.post(
-  "/propose",
-  auth,
-  ah(async (req, res) => {
-    const { a1, v1, a2, v2 } = req.body;
-
-    const text = await new Promise((resolve, reject) => {
-      l.info(
-        "running liquid-cli tool %s %s %s %s %s",
-        config.liquid.conf,
-        a1,
-        v1,
-        a2,
-        v2
-      );
-      const proc = cli(
-        "propose",
-        a1,
-        (v1 / SATS).toFixed(8),
-        a2,
-        (v2 / SATS).toFixed(8)
-      );
-
-      proc.stdout.on("data", data => {
-        resolve(data.toString());
-      });
-
-      proc.stderr.on("error", err => {
-        l.error("order error", err.toString());
-        reject(err.toString());
-      });
-
-      proc.on("close", (code, signal) => {
-        let msg = (code && code.toString()) || (signal && signal.toString());
-        reject(
-          new Error(`Liquid swap tool process closed unexpectedly: ${msg}`)
-        );
-      });
-
-      proc.on("exit", (code, signal) => {
-        let msg = (code && code.toString()) || (signal && signal.toString());
-        reject(
-          new Error(`Liquid swap tool process exited unexpectedly: ${msg}`)
-        );
-      });
-
-      setTimeout(
-        () => reject(new Error("Liquid swap tool timed out"), proc),
-        timeout
-      );
-    });
-
-    res.send(text);
-  })
-);
-
 const swap = async (user, { a1, a2, v1, v2 }) => {
   if (!parseInt(v1) || v1 < 0 || !parseInt(v2) || v2 < 0)
     throw new Error("Invalid amount");
@@ -461,245 +361,6 @@ app.post(
   })
 );
 
-app.post(
-  "/accept",
-  optionalAuth,
-  ah(async (req, res) => {
-    try {
-      const { text } = req.body;
-      const { user } = req;
-      const id = uuidv4();
-
-      if (text) {
-        const filename = `acceptance-${id}.txt`;
-        fs.writeFileSync(swapsdir + filename, text);
-
-        let info = JSON.parse(await getInfo(filename));
-        let [fee, rate, asset] = parse(info);
-        let { tx, u_address_p, u_address_r } = JSON.parse(
-          Buffer.from(text, "base64").toString()
-        );
-        const sha256 = crypto.createHash("sha256");
-        sha256.update(tx);
-        const hash = sha256.digest("hex");
-
-        const leg1 = info.legs.find(leg => !leg.incoming);
-        const leg2 = info.legs.find(leg => leg.incoming);
-
-        let orders = await db.Order.findAll({
-          where: {
-            rate: { [Op.lte]: leg2.amount / leg1.amount },
-            accepted: false,
-            "$acc1.asset$": leg1.asset,
-            "$acc2.asset$": leg2.asset
-          },
-          attributes: {
-            include: [
-              [col("acc1.asset"), "a1"],
-              [col("acc2.asset"), "a2"]
-            ]
-          },
-          order: [["rate", "DESC"]],
-          include: [
-            {
-              model: db.User,
-              as: "user"
-            },
-            {
-              model: db.Account,
-              as: "acc1",
-              attributes: []
-            },
-            {
-              model: db.Account,
-              as: "acc2",
-              attributes: []
-            }
-          ]
-        });
-
-        let total = orders.reduce((a, b) => a + b.v1, 0);
-        let remaining = Math.round(leg1.amount * SATS);
-        if (total < remaining)
-          throw new Error("Not enough coins for sale at that price");
-
-        await db.transaction(async transaction => {
-          for (let i = 0; i < orders.length; i++) {
-            let order = orders[i];
-            const account = await getAccount(
-              leg1.asset,
-              order.user,
-              transaction
-            );
-
-            let { v1: amount } = order;
-            if (remaining >= amount) {
-              remaining -= amount;
-
-              await db.Invoice.create({
-                user_id: order.user_id,
-                text: u_address_p,
-                address: u_address_p,
-                unconfidential: u_address_p,
-                currency: order.user.currency,
-                memo: "Atomic Swap",
-                rate: app.get("rates")[order.user.currency],
-                amount,
-                tip: 0,
-                network: "liquid",
-                account_id: account.id
-              });
-
-              addresses[u_address_p] = order.user.username;
-
-              order.accepted = true;
-              order.completedAt = new Date();
-              await order.save({ transaction });
-
-              order = order.get({ plain: true });
-              order.a1 = leg2.asset;
-              order.a2 = leg1.asset;
-              order.rate = order.v2 / order.v1;
-
-              broadcast("order", shallow(order));
-            } else {
-              await db.Invoice.create({
-                user_id: order.user_id,
-                text: u_address_p,
-                address: u_address_p,
-                unconfidential: u_address_p,
-                currency: order.user.currency,
-                memo: "Atomic Swap",
-                rate: app.get("rates")[order.user.currency],
-                amount: remaining,
-                tip: 0,
-                network: "liquid",
-                account_id: account.id
-              });
-
-              addresses[u_address_p] = order.user.username;
-
-              order.decrement(
-                {
-                  v1: remaining,
-                  v2: Math.round((order.v2 * remaining) / amount)
-                },
-                { transaction }
-              );
-              await order.save({ transaction });
-              await order.reload({ transaction });
-
-              order = order.get({ plain: true });
-              order.a1 = leg2.asset;
-              order.a2 = leg1.asset;
-              order.rate = order.v2 / order.v1;
-
-              broadcast("order", shallow(order));
-            }
-          }
-
-          await finalize(filename);
-        });
-
-        res.send(info);
-      } else {
-        throw new Error("No acceptance provided");
-      }
-    } catch (e) {
-      l.error(e.message, e.stack);
-      res.status(500).send(e.message);
-    }
-  })
-);
-
-app.post(
-  "/acceptance",
-  ah(async (req, res) => {
-    const { acceptance: text } = req.body;
-    l.info("acceptance received");
-
-    fs.writeFile(swapsdir + "accepted.txt", text, async err => {
-      if (err) {
-        return res.status(500).send(err);
-      }
-
-      try {
-        let info = JSON.parse(
-          await new Promise((resolve, reject) => {
-            const proc = cli("info", swapsdir + "accepted.txt");
-
-            proc.stdout.on("data", data => {
-              resolve(data.toString());
-            });
-
-            proc.stderr.on("data", err => {
-              reject(err.toString());
-            });
-
-            setTimeout(
-              () => reject(new Error("Liquid swap tool timed out"), proc),
-              timeout
-            );
-          })
-        );
-
-        const time = Math.floor(new Date()).toString();
-        const [fee, rate, asset] = parse(info);
-        if (!asset) throw new Error("Unsupported asset");
-        l.info("accepted", info, rate, asset);
-
-        leveldb.put(time, JSON.stringify({ text, info, rate, asset }));
-        l.info({ text, info, rate, asset });
-
-        res.send({ info, rate });
-      } catch (e) {
-        l.error(e);
-        res.status(500).send(e.message);
-      }
-    });
-  })
-);
-
-const parse = info => {
-  const fee = info.legs[0].fee;
-  return [
-    fee,
-    (info.legs[1].amount / (info.legs[0].amount + fee)).toFixed(8),
-    assets[info.legs[0].asset]
-  ];
-};
-
-const finalize = (filename = "finalized.txt", text) => {
-  if (text) fs.writeFileSync(swapsdir + filename, text);
-
-  return new Promise((resolve, reject) => {
-    const proc = cli("finalize", swapsdir + filename, "-s");
-
-    proc.stdout.on("data", data => {
-      resolve(data.toString());
-    });
-
-    proc.stderr.on("data", err => {
-      reject(new Error(err.toString()));
-    });
-
-    proc.on("close", (code, signal) => {
-      let msg = (code && code.toString()) || (signal && signal.toString());
-      reject(new Error(`Liquid swap tool process closed unexpectedly: ${msg}`));
-    });
-
-    proc.on("exit", (code, signal) => {
-      let msg = (code && code.toString()) || (signal && signal.toString());
-      reject(new Error(`Liquid swap tool process exited unexpectedly: ${msg}`));
-    });
-
-    setTimeout(
-      () => reject(new Error("Liquid swap tool timed out"), proc),
-      timeout
-    );
-  });
-};
-
 app.get(
   "/orders",
   optionalAuth,
@@ -738,23 +399,6 @@ app.get(
   })
 );
 
-app.post(
-  "/publish",
-  auth,
-  ah(async (req, res) => {
-    try {
-      const { id } = req.body;
-      await db.Order.update(
-        { public: true },
-        { where: { id, user_id: req.user.id } }
-      );
-      res.end();
-    } catch (e) {
-      res.status(500).send(e.message);
-    }
-  })
-);
-
 if (config.maker) {
   debug('setup maker account...')
   config.maker.map(({ amount, c1, c2, currency, askMultiplier, bidMultiplier }) => {
diff --git a/yarn.lock b/yarn.lock
index 98d5691e..96096131 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -341,28 +341,6 @@ abbrev@1:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-abstract-leveldown@^6.2.1:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.3.0.tgz#d25221d1e6612f820c35963ba4bd739928f6026a"
-  integrity sha512-TU5nlYgta8YrBMNpc9FwQzRbiXsj49gsALsXadbGHt9CROPzX5fB0rWDR5mtdpOOKa5XqRFpbj1QroPAoPzVjQ==
-  dependencies:
-    buffer "^5.5.0"
-    immediate "^3.2.3"
-    level-concat-iterator "~2.0.0"
-    level-supports "~1.0.0"
-    xtend "~4.0.0"
-
-abstract-leveldown@~6.2.1, abstract-leveldown@~6.2.3:
-  version "6.2.3"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.2.3.tgz#036543d87e3710f2528e47040bc3261b77a9a8eb"
-  integrity sha512-BsLm5vFMRUrrLeCcRc+G0t2qOaTzpoJQLOubq2XM72eNpjF5UdU5o/5NvlNhx95XHcAvcl8OMXr4mlg/fRgUXQ==
-  dependencies:
-    buffer "^5.5.0"
-    immediate "^3.2.3"
-    level-concat-iterator "~2.0.0"
-    level-supports "~1.0.0"
-    xtend "~4.0.0"
-
 accepts@~1.3.5, accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -615,11 +593,6 @@ base-x@^3.0.2:
   dependencies:
     safe-buffer "^5.0.1"
 
-base64-js@^1.3.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
-  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
-
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
@@ -902,14 +875,6 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.5.0, buffer@^5.6.0:
-  version "5.7.1"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
-  integrity sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==
-  dependencies:
-    base64-js "^1.3.1"
-    ieee754 "^1.1.13"
-
 busboy@^0.2.11:
   version "0.2.14"
   resolved "https://registry.yarnpkg.com/busboy/-/busboy-0.2.14.tgz#6c2a622efcf47c57bbbe1e2a9c37ad36c7925453"
@@ -1360,14 +1325,6 @@ defer-to-connect@^1.0.1:
   resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.3.tgz#331ae050c08dcf789f8c83a7b81f0ed94f4ac591"
   integrity sha512-0ISdNousHvZT2EiFlZeZAHBUvSxmKswVCEf8hW7KWgG4a8MVEu/3Vb6uWYozkjylyCxe0JBIiRB1jV45S70WVQ==
 
-deferred-leveldown@~5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-5.3.0.tgz#27a997ad95408b61161aa69bd489b86c71b78058"
-  integrity sha512-a59VOT+oDy7vtAbLRCZwWgxu2BaCfd5Hk7wxJd48ei7I+nsg8Orlb9CLG0PMZienk9BSUKgeAqkO2+Lw+1+Ukw==
-  dependencies:
-    abstract-leveldown "~6.2.1"
-    inherits "^2.0.3"
-
 degenerator@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/degenerator/-/degenerator-1.0.4.tgz#fcf490a37ece266464d9cc431ab98c5819ced095"
@@ -1518,16 +1475,6 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
-encoding-down@^6.3.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-6.3.0.tgz#b1c4eb0e1728c146ecaef8e32963c549e76d082b"
-  integrity sha512-QKrV0iKR6MZVJV08QY0wp1e7vF6QbhnbQhb07bwpEyuz4uZiZgPlEGdkCROuFkUwdxlFaiPIhjyarH1ee/3vhw==
-  dependencies:
-    abstract-leveldown "^6.2.1"
-    inherits "^2.0.3"
-    level-codec "^9.0.0"
-    level-errors "^2.0.0"
-
 end-of-stream@^1.1.0:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
@@ -1542,13 +1489,6 @@ [email protected]:
   dependencies:
     ansi-colors "^4.1.1"
 
-errno@~0.1.1:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.8.tgz#8bb3e9c7d463be4976ff888f76b4809ebc2e811f"
-  integrity sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==
-  dependencies:
-    prr "~1.0.1"
-
 error@^7.2.0:
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/error/-/error-7.2.1.tgz#eab21a4689b5f684fc83da84a0e390de82d94894"
@@ -2201,11 +2141,6 @@ iconv-lite@^0.6.2:
   dependencies:
     safer-buffer ">= 2.1.2 < 3.0.0"
 
-ieee754@^1.1.13:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
-  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
-
 ignore-by-default@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
@@ -2226,11 +2161,6 @@ imap@^0.8.19:
     readable-stream "1.1.x"
     utf7 ">=1.0.2"
 
-immediate@^3.2.3:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.3.0.tgz#1aef225517836bcdf7f2a2de2600c79ff0269266"
-  integrity sha512-HR7EVodfFUdQCTIeySw+WDRFJlPcLOJbXfwwZ7Oom6tjsvZ3bOkCDJHehQC3nxJrv7+f9XecwazynjU8e4Vw3Q==
-
 import-lazy@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-2.1.0.tgz#05698e3d45c88e8d7e9d92cb0584e77f096f3e43"
@@ -2574,88 +2504,6 @@ lazy@~1.0.11:
   resolved "https://registry.yarnpkg.com/lazy/-/lazy-1.0.11.tgz#daa068206282542c088288e975c297c1ae77b690"
   integrity sha1-2qBoIGKCVCwIgojpdcKXwa53tpA=
 
-level-codec@^9.0.0:
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.2.tgz#fd60df8c64786a80d44e63423096ffead63d8cbc"
-  integrity sha512-UyIwNb1lJBChJnGfjmO0OR+ezh2iVu1Kas3nvBS/BzGnx79dv6g7unpKIDNPMhfdTEGoc7mC8uAu51XEtX+FHQ==
-  dependencies:
-    buffer "^5.6.0"
-
-level-concat-iterator@~2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/level-concat-iterator/-/level-concat-iterator-2.0.1.tgz#1d1009cf108340252cb38c51f9727311193e6263"
-  integrity sha512-OTKKOqeav2QWcERMJR7IS9CUo1sHnke2C0gkSmcR7QuEtFNLLzHQAvnMw8ykvEcv0Qtkg0p7FOwP1v9e5Smdcw==
-
-level-errors@^2.0.0, level-errors@~2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-2.0.1.tgz#2132a677bf4e679ce029f517c2f17432800c05c8"
-  integrity sha512-UVprBJXite4gPS+3VznfgDSU8PTRuVX0NXwoWW50KLxd2yw4Y1t2JUR5In1itQnudZqRMT9DlAM3Q//9NCjCFw==
-  dependencies:
-    errno "~0.1.1"
-
-level-iterator-stream@~4.0.0:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-4.0.2.tgz#7ceba69b713b0d7e22fcc0d1f128ccdc8a24f79c"
-  integrity sha512-ZSthfEqzGSOMWoUGhTXdX9jv26d32XJuHz/5YnuHZzH6wldfWMOVwI9TBtKcya4BKTyTt3XVA0A3cF3q5CY30Q==
-  dependencies:
-    inherits "^2.0.4"
-    readable-stream "^3.4.0"
-    xtend "^4.0.2"
-
-level-js@^5.0.0:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/level-js/-/level-js-5.0.2.tgz#5e280b8f93abd9ef3a305b13faf0b5397c969b55"
-  integrity sha512-SnBIDo2pdO5VXh02ZmtAyPP6/+6YTJg2ibLtl9C34pWvmtMEmRTWpra+qO/hifkUtBTOtfx6S9vLDjBsBK4gRg==
-  dependencies:
-    abstract-leveldown "~6.2.3"
-    buffer "^5.5.0"
-    inherits "^2.0.3"
-    ltgt "^2.1.2"
-
-level-packager@^5.1.0:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-5.1.1.tgz#323ec842d6babe7336f70299c14df2e329c18939"
-  integrity sha512-HMwMaQPlTC1IlcwT3+swhqf/NUO+ZhXVz6TY1zZIIZlIR0YSn8GtAAWmIvKjNY16ZkEg/JcpAuQskxsXqC0yOQ==
-  dependencies:
-    encoding-down "^6.3.0"
-    levelup "^4.3.2"
-
-level-supports@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/level-supports/-/level-supports-1.0.1.tgz#2f530a596834c7301622521988e2c36bb77d122d"
-  integrity sha512-rXM7GYnW8gsl1vedTJIbzOrRv85c/2uCMpiiCzO2fndd06U/kUXEEU9evYn4zFggBOg36IsBW8LzqIpETwwQzg==
-  dependencies:
-    xtend "^4.0.2"
-
-level@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/level/-/level-6.0.1.tgz#dc34c5edb81846a6de5079eac15706334b0d7cd6"
-  integrity sha512-psRSqJZCsC/irNhfHzrVZbmPYXDcEYhA5TVNwr+V92jF44rbf86hqGp8fiT702FyiArScYIlPSBTDUASCVNSpw==
-  dependencies:
-    level-js "^5.0.0"
-    level-packager "^5.1.0"
-    leveldown "^5.4.0"
-
-leveldown@^5.4.0:
-  version "5.6.0"
-  resolved "https://registry.yarnpkg.com/leveldown/-/leveldown-5.6.0.tgz#16ba937bb2991c6094e13ac5a6898ee66d3eee98"
-  integrity sha512-iB8O/7Db9lPaITU1aA2txU/cBEXAt4vWwKQRrrWuS6XDgbP4QZGj9BL2aNbwb002atoQ/lIotJkfyzz+ygQnUQ==
-  dependencies:
-    abstract-leveldown "~6.2.1"
-    napi-macros "~2.0.0"
-    node-gyp-build "~4.1.0"
-
-levelup@^4.3.2:
-  version "4.4.0"
-  resolved "https://registry.yarnpkg.com/levelup/-/levelup-4.4.0.tgz#f89da3a228c38deb49c48f88a70fb71f01cafed6"
-  integrity sha512-94++VFO3qN95cM/d6eBXvd894oJE0w3cInq9USsyQzzoJxmiYzPAocNcuGCPGGjoXqDVJcr3C1jzt1TSjyaiLQ==
-  dependencies:
-    deferred-leveldown "~5.3.0"
-    level-errors "~2.0.0"
-    level-iterator-stream "~4.0.0"
-    level-supports "~1.0.0"
-    xtend "~4.0.0"
-
 [email protected]:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
@@ -2771,11 +2619,6 @@ lru-cache@^6.0.0:
   dependencies:
     yallist "^4.0.0"
 
-ltgt@^2.1.2:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
-  integrity sha1-81ypHEk/e3PaDgdJUwTxezH4fuU=
-
 mailgun-js@^0.22.0:
   version "0.22.0"
   resolved "https://registry.yarnpkg.com/mailgun-js/-/mailgun-js-0.22.0.tgz#128942b5e47a364a470791608852bf68c96b3a05"
@@ -3031,11 +2874,6 @@ [email protected], nan@^2.13.2, nan@^2.14.0:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
 
-napi-macros@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/napi-macros/-/napi-macros-2.0.0.tgz#2b6bae421e7b96eb687aa6c77a7858640670001b"
-  integrity sha512-A0xLykHtARfueITVDernsAWdtIMbOJgKgcluwENp3AlsKN/PloyO10HtmoqnFAQAcxPkgZN7wdfPfEd0zNGxbg==
-
 [email protected]:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/needle/-/needle-2.4.0.tgz#6833e74975c444642590e15a750288c5f939b57c"
@@ -3089,11 +2927,6 @@ node-gyp-build@^4.2.0, node-gyp-build@^4.2.3:
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.2.3.tgz#ce6277f853835f718829efb47db20f3e4d9c4739"
   integrity sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg==
 
-node-gyp-build@~4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.1.1.tgz#d7270b5d86717068d114cc57fff352f96d745feb"
-  integrity sha512-dSq1xmcPDKPZ2EED2S6zw/b9NKsqzXRE6dVr8TVQnI3FJOTteUMuqF3Qqs6LZg+mLGYJWqQzMbIjMtJqTv87nQ==
-
 [email protected]:
   version "3.8.0"
   resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.8.0.tgz#540304261c330e80d0d5edce253a68cb3964218c"
@@ -3661,11 +3494,6 @@ proxy-from-env@^1.0.0:
   resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
   integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==
 
-prr@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
-  integrity sha1-0/wRS6BplaRexok/SEzrHXj19HY=
-
 [email protected]:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/ps-list/-/ps-list-6.3.0.tgz#a2b775c2db7d547a28fbaa3a05e4c281771259be"
@@ -3815,7 +3643,7 @@ readable-stream@2, [email protected], readable-stream@^2.0.6, readable-strea
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-readable-stream@^3.0.0, readable-stream@^3.4.0, readable-stream@^3.6.0:
+readable-stream@^3.0.0, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -4768,7 +4596,7 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-2.0.0.tgz#52a63e56ca0b84a7f3a5f3d61872f126ad7a5943"
   integrity sha1-UqY+VsoLhKfzpfPWGHLxJq16WUM=
 
-xtend@^4.0.0, xtend@^4.0.2, xtend@~4.0.0:
+xtend@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==