From 99fba426bb783a2abee9aa5c447228f024f4b5af Mon Sep 17 00:00:00 2001
From: Cristian Adamo <cristian.adamo@gmail.com>
Date: Tue, 17 Apr 2018 15:03:05 -0300
Subject: [PATCH 1/2] Add validations and delete IdentityManager

---
 contracts/DataExchange.sol              |   57 +-
 contracts/DataOrder.sol                 |    1 +
 contracts/IdentityManager.sol           |  120 -
 contracts/lib/CryptoUtils.sol           |    1 -
 migrations/4_deploy_identity_manager.js |   20 -
 package-lock.json                       |  847 +--
 test/TestDataExchange.js                |    6 -
 yarn.lock                               | 6455 -----------------------
 8 files changed, 525 insertions(+), 6982 deletions(-)
 delete mode 100644 contracts/IdentityManager.sol
 delete mode 100644 migrations/4_deploy_identity_manager.js
 delete mode 100644 yarn.lock

diff --git a/contracts/DataExchange.sol b/contracts/DataExchange.sol
index 4b427aa..96a8ea5 100644
--- a/contracts/DataExchange.sol
+++ b/contracts/DataExchange.sol
@@ -6,7 +6,6 @@ import "zeppelin-solidity/contracts/math/SafeMath.sol";
 import "zeppelin-solidity/contracts/ECRecovery.sol";
 
 import "./DataOrder.sol";
-import "./IdentityManager.sol";
 import "./Wibcoin.sol";
 import "./lib/MultiMap.sol";
 import "./lib/ArrayUtils.sol";
@@ -44,14 +43,11 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
   mapping(address => address[]) public ordersByBuyer;
   mapping(address => NotaryInfo) internal notaryInfo;
 
-  // @dev buyerBalance Keeps track of the buyer's balance per order.
-  mapping(address => mapping(address => uint256)) public buyerBalance;
-
-  // @dev idManager Handles the users that are not yet certified by a
-  //      Identity Notary, in which case, the funds that such user receive
-  //      will be held by the `IdentityManager` until he pass the KYC process
-  //      and ultimately receive the certification.
-  IdentityManager idManager;
+  // @dev buyerBalance Keeps track of the buyer's balance per order-seller.
+  // TODO(cristian): Is there any batter way to do this?
+  mapping(
+    address => mapping(address => mapping(address => uint256))
+  ) public buyerBalance;
 
   // @dev token A Wibcoin implementation of an ERC20 standard token.
   Wibcoin token;
@@ -85,19 +81,6 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     return true;
   }
 
-  /**
-   * @dev Set a Identity Manager.
-   * @notice This is needed in order to allow new orders on the `DataExchange`.
-   * @param identityManagerAddr Address of the given Identity Manager.
-   * @return Whether the IdManager was successfully added or not.
-   */
-  function setIdentityManager(
-    address identityManagerAddr
-  ) public onlyOwner returns (bool) {
-    idManager = IdentityManager(identityManagerAddr);
-    return true;
-  }
-
   /**
    * @dev Creates a New Order.
    * @notice The `msg.sender` will become the buyer of the order.
@@ -124,7 +107,6 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     string publicKey
   ) public returns (address) {
     require(notaries.length > 0);
-    require(idManager != address(0));
     require(allowedNotaries.length() > 0);
     // TODO(cristian): validate that notaries are within the allowed notaries
     //                 and that are unique. This must be done here or in the
@@ -141,6 +123,10 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     );
 
     for (uint i = 0; i < notaries.length; i++) {
+      if (ordersByNotary[notaries[i]].length > 0 ||
+          !allowedNotaries.exist(notaries[i])) {
+        continue;
+      }
       ordersByNotary[notaries[i]].push(newOrderAddr);
     }
 
@@ -225,7 +211,7 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     );
 
     if (okay) {
-      buyerBalance[buyer][orderAddr].add(orderPrice);
+      buyerBalance[buyer][orderAddr][seller].add(orderPrice);
       ordersBySeller[seller].push(orderAddr);
       token.transferFrom(buyer, this, orderPrice);
       emit DataAdded(order, seller);
@@ -293,14 +279,14 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     DataOrder order = DataOrder(orderAddr);
     uint256 orderPrice = order.price();
     address buyer = order.buyer();
+    address notary = order.getNotaryForSeller(seller);
 
-    require(msg.sender == buyer);
+    require(msg.sender == buyer || msg.sender == notary);
     require(
       order.hasSellerBeenAccepted(seller) ||
       order.hasSellerBeenApproved(seller)
     );
 
-    address notary = order.getNotaryForSeller(seller);
     bytes32 hash = CryptoUtils.hashData(
       orderAddr,
       seller,
@@ -310,26 +296,15 @@ contract DataExchange is Ownable, Destructible, ModifierUtils {
     require(CryptoUtils.isSignedBy(hash, notary, notarySignature));
 
     if (order.closeDataResponse(seller)) {
-      require(buyerBalance[buyer][orderAddr] >= orderPrice);
-      buyerBalance[buyer][orderAddr] = buyerBalance[buyer][orderAddr].sub(orderPrice);
+      require(buyerBalance[buyer][orderAddr][seller] >= orderPrice);
 
       address dest = seller;
       if (!isOrderVerified) {
         dest = buyer;
       }
-
-      if ((idManager.isCertified(seller) && dest == seller) || dest == buyer) {
-        token.transfer(dest, orderPrice);
-      } else {
-        // TODO(cristian): Check possible attack/race-condition surface.
-        if (token.allowance(this, idManager) == 0) {
-          token.approve(idManager, orderPrice);
-        } else {
-          token.increaseApproval(idManager, orderPrice);
-        }
-
-        idManager.addFunds(dest, orderPrice);
-      }
+      buyerBalance[buyer][orderAddr][seller] =
+        buyerBalance[buyer][orderAddr][seller].sub(orderPrice);
+      token.transfer(dest, orderPrice);
 
       emit TransactionCompleted(order, seller);
       return true;
diff --git a/contracts/DataOrder.sol b/contracts/DataOrder.sol
index aefeb3d..f6f83ed 100644
--- a/contracts/DataOrder.sol
+++ b/contracts/DataOrder.sol
@@ -160,6 +160,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
     string signature
   ) public onlyOwner validAddress(seller) validAddress(notary) returns (bool) {
     require(notaryInfo[notary].accepted == true);
+    require(sellerInfo[seller].createdAt == 0);
     require(orderStatus == OrderStatus.NotaryAccepted);
     require(price > 0);
 
diff --git a/contracts/IdentityManager.sol b/contracts/IdentityManager.sol
deleted file mode 100644
index 34a5a1f..0000000
--- a/contracts/IdentityManager.sol
+++ /dev/null
@@ -1,120 +0,0 @@
-pragma solidity ^0.4.21;
-
-import "zeppelin-solidity/contracts/math/SafeMath.sol";
-import "zeppelin-solidity/contracts/lifecycle/Destructible.sol";
-import "zeppelin-solidity/contracts/ownership/Ownable.sol";
-
-import "./Wibcoin.sol";
-import "./lib/ModifierUtils.sol";
-
-
-/**
- * @title IdentityManager
- * @author Cristian Adamo <cristian@wibson.org>
- * @dev This enforces that each Wibson's user passes a KYC process in order to
- *      receive their funds.
- */
-contract IdentityManager is Ownable, Destructible, ModifierUtils {
-  using SafeMath for uint256;
-
-  struct Certification {
-    bool isCertified;
-    uint certifiedAt;
-  }
-
-  mapping(address => Certification) public certsByIdentity;
-  mapping(address => uint256) public identityBalance;
-
-  Wibcoin token;
-
-  /**
-   * @dev Contract's constructor.
-   * @param tokenAddress Address of the Wibcoin token address (ERC20).
-   */
-  function IdentityManager(
-    address tokenAddress
-  ) public validAddress(tokenAddress) {
-    owner = msg.sender;
-    token = Wibcoin(tokenAddress);
-  }
-
-  /**
-   * @dev Adds funds to a given account (user).
-   * @notice The sender must allow this contract to withdraw the amount before
-   *         calling this function.
-   * @param to User address were funds must be deposit.
-   * @param amount Amount of tokens to withdraw.
-   * @return Whether funds was successfully transferred or not.
-   */
-  function addFunds(address to, uint256 amount) public returns (bool) {
-    require(!isCertified(to));
-    require(token.allowance(msg.sender, this) >= amount);
-
-    identityBalance[to].add(amount);
-    token.transferFrom(msg.sender, this, amount);
-    return true;
-  }
-
-  /**
-   * @dev Transfer funds held by this contract to the owner of such funds only
-   *      if the owner was certified.
-   * @param to User address owner of the funds.
-   * @return Whether funds was successfully transferred or not.
-   */
-  function transferFunds(address to) public onlyOwner returns (bool) {
-    require(isCertified(to));
-    uint balance = identityBalance[to];
-    identityBalance[to] = 0;
-    token.transfer(to, balance);
-    return true;
-  }
-
-  /**
-   * @dev Certifies a given user, meaning that it passed the KYC process
-   * @param identity User address to certify.
-   * @return Whether the user was successfully certified or not.
-   */
-  function certify(address identity) public onlyOwner returns (bool) {
-    certsByIdentity[identity] = Certification(true, block.timestamp);
-    return true;
-  }
-
-  /**
-   * @dev Revokes the given user certification.
-   * @param identity User address to revoke certification.
-   * @return Whether the user certification was successfully revoked or not.
-   */
-  function revoke(address identity) public onlyOwner returns (bool) {
-    certsByIdentity[identity] = Certification(false, block.timestamp);
-    return true;
-  }
-
-  /**
-   * @dev Gets the current certification status of the given identity.
-   * @param identity User address to check certification.
-   * @return Whether the given identity was certified or not.
-   */
-  function isCertified(address identity) public view returns (bool) {
-    return certsByIdentity[identity].isCertified;
-  }
-
-  /**
-   * @dev Gets the certification information for the given identity.
-   * @param identity User address to check certification.
-   * @return Certification information, (isCertified, certificateCreationDate)
-   */
-  function getCertificationInfo(
-    address identity
-  ) public view returns (bool, uint) {
-    Certification storage cert = certsByIdentity[identity];
-    return (cert.isCertified, cert.certifiedAt);
-  }
-
-  /**
-   * @dev Fallback function that always reverts the transaction in case someone
-   * send some funds or call a wrong function.
-   */
-  function () public payable {
-    revert();
-  }
-}
diff --git a/contracts/lib/CryptoUtils.sol b/contracts/lib/CryptoUtils.sol
index a50d28e..607c6b6 100644
--- a/contracts/lib/CryptoUtils.sol
+++ b/contracts/lib/CryptoUtils.sol
@@ -61,7 +61,6 @@ library CryptoUtils {
     bytes signature
   ) public pure returns (bool) {
     require(signer != 0x0);
-    // TODO(cristian): FIXME! This is a hack to satisfy geth.
     bytes memory prefix = "\x19Ethereum Signed Message:\n32";
     bytes32 prefixedHash = keccak256(prefix, hash);
     address recovered = ECRecovery.recover(prefixedHash, signature);
diff --git a/migrations/4_deploy_identity_manager.js b/migrations/4_deploy_identity_manager.js
deleted file mode 100644
index 4825779..0000000
--- a/migrations/4_deploy_identity_manager.js
+++ /dev/null
@@ -1,20 +0,0 @@
-var IdentityManager = artifacts.require("./IdentityManager.sol");
-var DataExchange = artifacts.require("./DataExchange.sol");
-var Wibcoin = artifacts.require("./v1/Wibcoin.sol");
-
-const DeployUtils = require('../utils/deploymentutils');
-
-module.exports = function(deployer, network, accounts) {
-  let addresses = DeployUtils.getDevelopmentAccounts(accounts);
-  if (DeployUtils.isStaging(network)) {
-    addresses = DeployUtils.getStagingAccounts(accounts);
-  }
-
-  deployer
-    .deploy(IdentityManager, Wibcoin.address, { from: addresses.owner })
-    .then(function() {
-      return DataExchange.deployed();
-    }).then(function(instance) {
-      instance.setIdentityManager(IdentityManager.address, { from: addresses.owner });
-    });
-};
diff --git a/package-lock.json b/package-lock.json
index 477b8b9..32c70f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -118,10 +118,13 @@
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
     "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "1.9.1"
+      }
     },
     "any-observable": {
       "version": "0.2.0",
@@ -349,6 +352,12 @@
         "js-tokens": "3.0.2"
       },
       "dependencies": {
+        "ansi-styles": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+          "dev": true
+        },
         "chalk": {
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -397,14 +406,17 @@
         "source-map": "0.5.7"
       },
       "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
+        "babylon": {
+          "version": "6.18.0",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
+          "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
         }
       }
     },
@@ -429,6 +441,12 @@
           "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
           "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
           "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
         }
       }
     },
@@ -1094,6 +1112,14 @@
         "babel-runtime": "6.26.0",
         "core-js": "2.5.5",
         "regenerator-runtime": "0.10.5"
+      },
+      "dependencies": {
+        "regenerator-runtime": {
+          "version": "0.10.5",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
+          "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
+          "dev": true
+        }
       }
     },
     "babel-preset-es2015": {
@@ -1200,6 +1226,23 @@
         "lodash": "4.17.5",
         "mkdirp": "0.5.1",
         "source-map-support": "0.4.18"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        },
+        "source-map-support": {
+          "version": "0.4.18",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
+          "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
+          "dev": true,
+          "requires": {
+            "source-map": "0.5.7"
+          }
+        }
       }
     },
     "babel-runtime": {
@@ -1210,14 +1253,6 @@
       "requires": {
         "core-js": "2.5.5",
         "regenerator-runtime": "0.11.1"
-      },
-      "dependencies": {
-        "regenerator-runtime": {
-          "version": "0.11.1",
-          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
-          "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
-          "dev": true
-        }
       }
     },
     "babel-template": {
@@ -1231,6 +1266,14 @@
         "babel-types": "6.26.0",
         "babylon": "6.18.0",
         "lodash": "4.17.5"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "6.18.0",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
+          "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+          "dev": true
+        }
       }
     },
     "babel-traverse": {
@@ -1250,19 +1293,10 @@
         "lodash": "4.17.5"
       },
       "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "globals": {
-          "version": "9.18.0",
-          "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
-          "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==",
+        "babylon": {
+          "version": "6.18.0",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
+          "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
           "dev": true
         }
       }
@@ -1280,9 +1314,9 @@
       }
     },
     "babylon": {
-      "version": "6.18.0",
-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
-      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+      "version": "7.0.0-beta.44",
+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
+      "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==",
       "dev": true
     },
     "balanced-match": {
@@ -1777,40 +1811,14 @@
       }
     },
     "chalk": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
-      "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.0.tgz",
+      "integrity": "sha512-Wr/w0f4o9LuE7K53cD0qmbAMM+2XNLzR29vFn5hqko4sxGlUsyy363NvmyGIyk5tpe9cjTr9SJYbysEyPkRnFw==",
       "dev": true,
       "requires": {
         "ansi-styles": "3.2.1",
         "escape-string-regexp": "1.0.5",
-        "supports-color": "5.3.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "1.9.1"
-          }
-        },
-        "has-flag": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-          "dev": true
-        },
-        "supports-color": {
-          "version": "5.3.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
-          "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
-          "dev": true,
-          "requires": {
-            "has-flag": "3.0.0"
-          }
-        }
+        "supports-color": "5.4.0"
       }
     },
     "chardet": {
@@ -1899,14 +1907,6 @@
       "requires": {
         "slice-ansi": "0.0.4",
         "string-width": "1.0.2"
-      },
-      "dependencies": {
-        "slice-ansi": {
-          "version": "0.0.4",
-          "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-0.0.4.tgz",
-          "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=",
-          "dev": true
-        }
       }
     },
     "cli-width": {
@@ -2032,6 +2032,12 @@
           "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
           "integrity": "sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=",
           "dev": true
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-          "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
-          "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
-          "dev": true
-        },
         "find-up": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
@@ -9792,33 +9945,6 @@
             "locate-path": "2.0.0"
           }
         },
-        "has-flag": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-          "dev": true
-        },
-        "inquirer": {
-          "version": "5.2.0",
-          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-5.2.0.tgz",
-          "integrity": "sha512-E9BmnJbAKLPGonz0HeWHtbKf+EeSP93paWO3ZYoUpq/aowXvYGjjCSuashhXPpzbArIjBbji39THkxTz9ZeEUQ==",
-          "dev": true,
-          "requires": {
-            "ansi-escapes": "3.1.0",
-            "chalk": "2.3.2",
-            "cli-cursor": "2.1.0",
-            "cli-width": "2.2.0",
-            "external-editor": "2.2.0",
-            "figures": "2.0.0",
-            "lodash": "4.17.5",
-            "mute-stream": "0.0.7",
-            "run-async": "2.3.0",
-            "rxjs": "5.5.10",
-            "string-width": "2.1.1",
-            "strip-ansi": "4.0.0",
-            "through": "2.3.8"
-          }
-        },
         "is-fullwidth-code-point": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
@@ -9836,12 +9962,6 @@
             "mem": "1.1.0"
           }
         },
-        "semver": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-          "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA==",
-          "dev": true
-        },
         "string-width": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -9861,15 +9981,6 @@
             "ansi-regex": "3.0.0"
           }
         },
-        "supports-color": {
-          "version": "5.3.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
-          "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
-          "dev": true,
-          "requires": {
-            "has-flag": "3.0.0"
-          }
-        },
         "which-module": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
@@ -10053,9 +10164,9 @@
       "integrity": "sha512-jzHBTTy8EPI4ImV8dpUMt+Q5zELkSU5xvGpndHcHudQ4tqN6YgIWaCGmRFl+HDchwRUkcgyjQ+n6/w5zlJBCPg==",
       "dev": true,
       "requires": {
-        "chalk": "2.3.2",
+        "chalk": "2.4.0",
         "debug": "3.1.0",
-        "diff": "3.3.1",
+        "diff": "3.5.0",
         "escape-string-regexp": "1.0.5",
         "globby": "6.1.0",
         "grouped-queue": "0.3.3",
@@ -10068,29 +10179,78 @@
         "untildify": "3.0.2"
       },
       "dependencies": {
-        "globby": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
-          "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "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": {
-            "array-union": "1.0.2",
-            "glob": "7.1.2",
-            "object-assign": "4.1.1",
-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
+            "ms": "2.0.0"
+          }
+        },
+        "inquirer": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-3.3.0.tgz",
+          "integrity": "sha512-h+xtnyk4EwKvFWHrUYsWErEVR+igKtLdchu+o0Z1RL7VU/jVMFbYir2bp6bAj8efFNxWqHX0dIss6fJQ+/+qeQ==",
+          "dev": true,
+          "requires": {
+            "ansi-escapes": "3.1.0",
+            "chalk": "2.4.0",
+            "cli-cursor": "2.1.0",
+            "cli-width": "2.2.0",
+            "external-editor": "2.2.0",
+            "figures": "2.0.0",
+            "lodash": "4.17.5",
+            "mute-stream": "0.0.7",
+            "run-async": "2.3.0",
+            "rx-lite": "4.0.8",
+            "rx-lite-aggregates": "4.0.8",
+            "string-width": "2.1.1",
+            "strip-ansi": "4.0.0",
+            "through": "2.3.8"
+          }
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "2.0.0",
+            "strip-ansi": "4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "3.0.0"
           }
         }
       }
     },
     "yeoman-generator": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/yeoman-generator/-/yeoman-generator-2.0.3.tgz",
-      "integrity": "sha512-mODmrZ26a94djmGZZuIiomSGlN4wULdou29ZwcySupb2e9FdvoCl7Ps2FqHFjEHio3kOl/iBeaNqrnx3C3NwWg==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/yeoman-generator/-/yeoman-generator-2.0.4.tgz",
+      "integrity": "sha512-Sgvz3MAkOpEIobcpW3rjEl6bOTNnl8SkibP9z7hYKfIGIlw0QDC2k0MAeXvyE2pLqc2M0Duql+6R7/W9GrJojg==",
       "dev": true,
       "requires": {
         "async": "2.6.0",
-        "chalk": "2.3.2",
+        "chalk": "2.4.0",
         "cli-table": "0.3.1",
         "cross-spawn": "5.1.0",
         "dargs": "5.1.0",
@@ -10116,6 +10276,26 @@
         "yeoman-environment": "2.0.6"
       },
       "dependencies": {
+        "cross-spawn": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
+          "integrity": "sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=",
+          "dev": true,
+          "requires": {
+            "lru-cache": "4.1.2",
+            "shebang-command": "1.2.0",
+            "which": "1.3.0"
+          }
+        },
+        "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"
+          }
+        },
         "find-up": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
@@ -10183,17 +10363,6 @@
             "read-pkg": "3.0.0"
           }
         },
-        "shelljs": {
-          "version": "0.8.1",
-          "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.1.tgz",
-          "integrity": "sha512-YA/iYtZpzFe5HyWVGrb02FjPxc4EMCfpoU/Phg9fQoyMC72u9598OUBrsU8IrtwAKG0tO8IYaqbaLIw+k3IRGA==",
-          "dev": true,
-          "requires": {
-            "glob": "7.1.2",
-            "interpret": "1.1.0",
-            "rechoir": "0.6.2"
-          }
-        },
         "strip-bom": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
diff --git a/test/TestDataExchange.js b/test/TestDataExchange.js
index 1412c81..ab5f7b7 100644
--- a/test/TestDataExchange.js
+++ b/test/TestDataExchange.js
@@ -22,12 +22,6 @@ contract('DataExchange', (accounts) => {
     .then((res) => {
       assert.ok(res, "couldn't add Notary");
     })
-    .then(() => {
-      return meta["dx"].setIdentityManager(ID_MANAGER).call();
-    })
-    .then((res) => {
-      assert.ok(res, "couldn't add Identity Manager");
-    })
     .then(() => {
       return meta["dx"].newOrder(
         [NOTARY_A],
diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index 17349a9..0000000
--- a/yarn.lock
+++ /dev/null
@@ -1,6455 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-"@sindresorhus/is@^0.7.0":
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
-
-JSONStream@^1.0.3:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
-  dependencies:
-    jsonparse "^1.2.0"
-    through ">=2.2.7 <3"
-
-abbrev@1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
-
-abstract-leveldown@~2.6.0:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz#1c5e8c6a5ef965ae8c35dfb3a8770c476b82c4b8"
-  dependencies:
-    xtend "~4.0.0"
-
-abstract-leveldown@~2.7.1:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.7.2.tgz#87a44d7ebebc341d59665204834c8b7e0932cc93"
-  dependencies:
-    xtend "~4.0.0"
-
-acorn-jsx@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
-  dependencies:
-    acorn "^3.0.4"
-
-acorn@^3.0.4:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
-
-acorn@^4.0.3:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
-
-acorn@^5.2.1:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.3.0.tgz#7446d39459c54fb49a80e6ee6478149b940ec822"
-
-acorn@^5.5.0:
-  version "5.5.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.3.tgz#f473dd47e0277a08e28e9bec5aeeb04751f0b8c9"
-
-aes-js@^0.2.3:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
-
-ajv-keywords@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
-
-ajv@^4.9.1:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
-  dependencies:
-    co "^4.6.0"
-    json-stable-stringify "^1.0.1"
-
-ajv@^5.1.0, ajv@^5.2.2, ajv@^5.2.3, ajv@^5.3.0:
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
-  dependencies:
-    co "^4.6.0"
-    fast-deep-equal "^1.0.0"
-    fast-json-stable-stringify "^2.0.0"
-    json-schema-traverse "^0.3.0"
-
-align-text@^0.1.1, align-text@^0.1.3:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
-  dependencies:
-    kind-of "^3.0.2"
-    longest "^1.0.1"
-    repeat-string "^1.5.2"
-
-amdefine@>=0.0.4:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
-
-ansi-escapes@^1.0.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
-
-ansi-escapes@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.1.0.tgz#f73207bb81207d75fd6c83f125af26eea378ca30"
-
-ansi-regex@^2.0.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
-
-ansi-regex@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
-
-ansi-styles@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
-
-ansi-styles@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
-  dependencies:
-    color-convert "^1.9.0"
-
-ansi-styles@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-1.0.0.tgz#cb102df1c56f5123eab8b67cd7b98027a0279178"
-
-any-observable@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/any-observable/-/any-observable-0.2.0.tgz#c67870058003579009083f54ac0abafb5c33d242"
-
-anymatch@^1.3.0:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
-  dependencies:
-    micromatch "^2.1.5"
-    normalize-path "^2.0.0"
-
-aproba@^1.0.3:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
-
-are-we-there-yet@~1.1.2:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz#bb5dca382bb94f05e15194373d16fd3ba1ca110d"
-  dependencies:
-    delegates "^1.0.0"
-    readable-stream "^2.0.6"
-
-argparse@^1.0.7:
-  version "1.0.10"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
-  dependencies:
-    sprintf-js "~1.0.2"
-
-arr-diff@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
-  dependencies:
-    arr-flatten "^1.0.1"
-
-arr-flatten@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
-
-array-differ@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
-
-array-filter@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
-
-array-find-index@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
-
-array-map@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
-
-array-reduce@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
-
-array-union@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
-  dependencies:
-    array-uniq "^1.0.1"
-
-array-uniq@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
-
-array-unique@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
-
-arrify@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
-
-asn1.js@^4.0.0:
-  version "4.9.2"
-  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.2.tgz#8117ef4f7ed87cd8f89044b5bff97ac243a16c9a"
-  dependencies:
-    bn.js "^4.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
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-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.2.tgz#d591dee4a8f8bc15da43ce97dceeba13d43e2a65"
-  dependencies:
-    inherits "^2.0.1"
-    process-nextick-args "^2.0.0"
-    readable-stream "^2.3.5"
-
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-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
-
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
-
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-  version "1.12.7"
-  resolved "https://registry.yarnpkg.com/coffee-script/-/coffee-script-1.12.7.tgz#c05dae0cb79591d05b3070a8433a98c9a89ccc53"
-
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-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/coinstring/-/coinstring-2.3.0.tgz#cdb63363a961502404a25afb82c2e26d5ff627a4"
-  dependencies:
-    bs58 "^2.0.1"
-    create-hash "^1.1.1"
-
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-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.1.tgz#c1261107aeb2f294ebffec9ed9ecad529a6097ed"
-  dependencies:
-    color-name "^1.1.1"
-
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-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
-
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-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
-
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-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-0.6.2.tgz#2423fe6678ac0c5dae8852e5d0e5be08c997abcc"
-
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-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
-combine-source-map@~0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
-combined-stream@^1.0.5, combined-stream@~1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
-  dependencies:
-    delayed-stream "~1.0.0"
-
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-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-0.6.1.tgz#fa68a14f6a945d54dbbe50d8cdb3320e9e3b1a06"
-
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-  version "2.11.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
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-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.3.0.tgz#fd430e889832ec353b9acd1de217c11cb3eef873"
-
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-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
-  dependencies:
-    graceful-readlink ">= 1.0.0"
-
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-  version "2.15.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
-
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.1.0.tgz#d121bbae860d9992a3d517ba96f56588e47c6781"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
-
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-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
-
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-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
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-    buffer-from "^1.0.0"
-    inherits "^2.0.3"
-    readable-stream "^2.2.2"
-    typedarray "^0.0.6"
-
-concat-stream@~1.5.0, concat-stream@~1.5.1:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
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-    inherits "~2.0.1"
-    readable-stream "~2.0.0"
-    typedarray "~0.0.5"
-
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
-  dependencies:
-    date-now "^0.1.4"
-
-console-control-strings@^1.0.0, console-control-strings@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
-
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
-
-convert-source-map@^1.5.0:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
-
-convert-source-map@~1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
-
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-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
-
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-  version "2.5.5"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.5.tgz#b14dde936c640c0579a6b50cabcc132dd6127e3b"
-
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
-
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-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/cpr/-/cpr-0.4.3.tgz#0a23e4b6ec23f3b8cc7a405ecb5cfdc778f7de25"
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-    graceful-fs "~4.1.2"
-    mkdirp "~0.5.0"
-    rimraf "~2.4.3"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/cpr/-/cpr-1.1.2.tgz#39e7f963c5ff4dd52e21d00bfd38374015792d68"
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-    graceful-fs "~4.1.2"
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-    rimraf "~2.4.3"
-
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-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.0.tgz#888c723596cdf7612f6498233eebd7a35301737d"
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-    elliptic "^6.0.0"
-
-create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
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-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
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-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
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-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
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-  version "6.0.5"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
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-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
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-    boom "2.x.x"
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-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-3.1.2.tgz#a89fbb220f5ce25ec56e8c4aa8a4fd7b5b0d29fe"
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-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
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-    create-ecdh "^4.0.0"
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-    create-hmac "^1.1.0"
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-  version "3.1.8"
-  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.8.tgz#715f070bf6014f2ae992a98b3929258b713f08d5"
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-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
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-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/dargs/-/dargs-5.1.0.tgz#ec7ea50c78564cd36c9d5ec18f66329fade27829"
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-  version "1.14.1"
-  resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
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-  version "1.29.0"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.29.0.tgz#12e609cdcb935127311d04d33334e2960a2a54e6"
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-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
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-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
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-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
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-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
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-debug@2.6.9, debug@^2.2.0, debug@^2.6.8:
-  version "2.6.9"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
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-debug@3.1.0, debug@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
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-    ms "2.0.0"
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-decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
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-decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
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-decompress-response@^3.2.0, decompress-response@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-3.3.0.tgz#80a4dd323748384bfa248083622aedec982adff3"
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-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
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-deep-extend@^0.4.0, deep-extend@~0.4.0:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
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-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
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-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
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-defined@^1.0.0, defined@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
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-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
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-    object-assign "^4.0.1"
-    pify "^2.0.0"
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-    rimraf "^2.2.8"
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-delayed-stream@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
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-des.js@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
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-destroy@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/detect-conflict/-/detect-conflict-1.0.1.tgz#088657a66a961c05019db7c4230883b1c6b4176e"
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-detect-indent@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
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-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
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-  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
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-    type-check "~0.3.2"
-
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-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
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-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/listr-silent-renderer/-/listr-silent-renderer-1.1.1.tgz#924b5a3757153770bf1a8e3fbf74b8bbf3f9242e"
-
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-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/listr-update-renderer/-/listr-update-renderer-0.4.0.tgz#344d980da2ca2e8b145ba305908f32ae3f4cc8a7"
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-
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-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/listr-verbose-renderer/-/listr-verbose-renderer-0.4.1.tgz#8206f4cf6d52ddc5827e5fd14989e0e965933a35"
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-    cli-cursor "^1.0.2"
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-
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-  version "0.13.0"
-  resolved "https://registry.yarnpkg.com/listr/-/listr-0.13.0.tgz#20bb0ba30bae660ee84cc0503df4be3d5623887d"
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
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-    pify "^2.0.0"
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-    strip-bom "^2.0.0"
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-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
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-    parse-json "^4.0.0"
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
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-    json5 "^0.5.0"
-
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
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-    path-exists "^3.0.0"
-
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-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
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-    lodash._basecopy "^3.0.0"
-    lodash.keys "^3.0.0"
-
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-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
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-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz#1bc661614daa7fc311b7d03bf16806a0213cf821"
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-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
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-  version "3.0.9"
-  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
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-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
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-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
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-  resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
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-    lodash._basecreate "^3.0.0"
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-
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-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
-
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-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
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-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
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-    lodash.isarguments "^3.0.0"
-    lodash.isarray "^3.0.0"
-
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-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
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-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.0.tgz#69884ba144ac33fe699737a6086deffadd0f89c5"
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-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
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-  version "4.17.5"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
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-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/log-update/-/log-update-1.0.2.tgz#19929f64c4093d2d2e7075a1dad8af59c296b8d1"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
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-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
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-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
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-  version "1.0.0"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
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-  version "2.2.0"
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-  version "3.7.0"
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-  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-2.3.0.tgz#84c606232ef343f1b96fc972e697708754f08573"
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-  version "1.0.0"
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-  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
-  dependencies:
-    error-ex "^1.3.1"
-    json-parse-better-errors "^1.0.1"
-
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
-
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-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
-
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-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
-
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
-  dependencies:
-    pinkie-promise "^2.0.0"
-
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
-
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
-
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-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
-
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-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
-
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-  version "0.11.15"
-  resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
-
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
-  dependencies:
-    graceful-fs "^4.1.2"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
-  dependencies:
-    pify "^3.0.0"
-
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-  version "3.0.14"
-  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.14.tgz#a35e13c64799b06ce15320f459c230e68e73bade"
-  dependencies:
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-    create-hmac "^1.1.4"
-    ripemd160 "^2.0.1"
-    safe-buffer "^5.0.1"
-    sha.js "^2.4.8"
-
-pegjs@^0.10.0:
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/pegjs/-/pegjs-0.10.0.tgz#cf8bafae6eddff4b5a7efb185269eaaf4610ddbd"
-
-pegjs@^0.9.0:
-  version "0.9.0"
-  resolved "https://registry.yarnpkg.com/pegjs/-/pegjs-0.9.0.tgz#f6aefa2e3ce56169208e52179dfe41f89141a369"
-
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
-
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
-
-pify@^2.0.0, pify@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
-
-pify@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
-
-pinkie-promise@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
-  dependencies:
-    pinkie "^2.0.0"
-
-pinkie@^2.0.0:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
-
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
-  dependencies:
-    find-up "^2.1.0"
-
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-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
-
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-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
-
-prepend-http@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
-
-preserve@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
-
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-  version "1.12.0"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.12.0.tgz#d26fc5894b9230de97629b39cae225b503724ce8"
-
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-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
-
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-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
-
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
-
-process-nextick-args@~1.0.6:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
-
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-  version "0.11.10"
-  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
-
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-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/process/-/process-0.5.2.tgz#1638d8a8e34c2f440a91db95ab9aeb677fc185cf"
-
-progress@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
-
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
-
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-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
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-    browserify-rsa "^4.0.0"
-    create-hash "^1.1.0"
-    parse-asn1 "^5.0.0"
-    randombytes "^2.0.1"
-
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-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
-
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-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
-
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-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
-
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-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
-
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-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/query-string/-/query-string-5.1.1.tgz#a78c012b71c17e05f2e3fa2319dd330682efb3cb"
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-    object-assign "^4.1.0"
-    strict-uri-encode "^1.0.0"
-
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-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
-
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-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
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-    kind-of "^4.0.0"
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-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.6.tgz#d302c522948588848a8d300c932b44c24231da80"
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-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.3.tgz#b96b7df587f01dd91726c418f30553b1418e3d62"
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-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
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-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.4.tgz#a0f606caae2a3b862bbd0ef85482c0125b315fa3"
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-    ini "~1.3.0"
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/read-chunk/-/read-chunk-2.1.0.tgz#6a04c0928005ed9d42e1a6ac5600e19cbc7ff655"
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
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-  version "3.0.0"
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-  version "1.0.0"
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
-
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-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
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-    jsesc "~0.5.0"
-
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
-
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-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
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-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
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-
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-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
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-  version "2.83.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
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-    aws4 "^1.6.0"
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-    extend "~3.0.1"
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-    har-validator "~5.0.3"
-    hawk "~6.0.2"
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-    tough-cookie "~2.3.3"
-    tunnel-agent "^0.6.0"
-    uuid "^3.1.0"
-
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-  version "2.81.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
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-    aws4 "^1.2.1"
-    caseless "~0.12.0"
-    combined-stream "~1.0.5"
-    extend "~3.0.0"
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-    hawk "~3.1.3"
-    http-signature "~1.1.0"
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-    uuid "^3.0.0"
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-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
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-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
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-  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
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-    resolve-from "^1.0.0"
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-2.0.0.tgz#00a9f7387556e27038eae232caa372a6a59b665a"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
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-    global-modules "^1.0.0"
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-  version "1.0.1"
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
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-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.4.0.tgz#a75be01c53da25d934a98ebd0e4c4a7312f92a86"
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
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-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
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-    onetime "^1.0.0"
-
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
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-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
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-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
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-
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-  version "2.0.0"
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-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
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-  resolved "https://registry.yarnpkg.com/rustbn.js/-/rustbn.js-0.1.1.tgz#088b8c29d5f6d7d9f56ffb545f5d110e4a6801eb"
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-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
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-    rx-lite "*"
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-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
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-  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/scoped-regex/-/scoped-regex-1.0.0.tgz#a346bb1acd4207ae70bd7c0c7ca9e566b6baddb8"
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-  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.2.0.tgz#af8d1465b71e9990110bedfc593b9479e03a8ada"
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-"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.5.0:
-  version "5.5.0"
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-  version "1.0.0"
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/sntp/-/sntp-2.1.0.tgz#2c6cec14fedc2222739caf9b5c3d85d1cc5a2cc8"
-  dependencies:
-    hoek "4.x.x"
-
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-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/sol-digger/-/sol-digger-0.0.2.tgz#406c4a9d31e269e7f88eb1c2ea101318e5e09025"
-
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-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/sol-explore/-/sol-explore-1.6.1.tgz#b59f073c69fe332560d5a10c32ba8ca7f2986cfb"
-
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-  version "0.4.21"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.21.tgz#6a7ecd505bfa0fc268330d5de6b9ae65c8c68264"
-  dependencies:
-    fs-extra "^0.30.0"
-    memorystream "^0.3.1"
-    require-from-string "^1.1.0"
-    semver "^5.3.0"
-    yargs "^4.7.1"
-
-solc@0.4.8:
-  version "0.4.8"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.8.tgz#96abbee1266341ae97fb4bdc3abcc9bc1b5052ab"
-  dependencies:
-    fs-extra "^0.30.0"
-    memorystream "^0.3.1"
-    require-from-string "^1.1.0"
-    semver "^5.3.0"
-    yargs "^4.7.1"
-
-solc@^0.3.6:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.3.6.tgz#ee1678e144701fbc1635efb21213c7953cf2bba9"
-  dependencies:
-    memorystream "^0.3.1"
-    require-from-string "^1.1.0"
-    yargs "^4.7.1"
-
-solc@^0.4.2:
-  version "0.4.19"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.19.tgz#1af1c4c292a0365a6977d4cbe3fbee7139b4b561"
-  dependencies:
-    fs-extra "^0.30.0"
-    memorystream "^0.3.1"
-    require-from-string "^1.1.0"
-    semver "^5.3.0"
-    yargs "^4.7.1"
-
-solidity-parser@^0.1.0, solidity-parser@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/solidity-parser/-/solidity-parser-0.1.1.tgz#0fb3b665ed7041bef4575962ee426e7cd9d0a90a"
-  dependencies:
-    mocha "^2.4.5"
-    pegjs "^0.9.0"
-    yargs "^4.6.0"
-
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-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/solium-plugin-security/-/solium-plugin-security-0.1.1.tgz#2a87bcf8f8c3abf7d198e292e4ac080284e3f3f6"
-
-solium-plugin-zeppelin@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/solium-plugin-zeppelin/-/solium-plugin-zeppelin-0.0.2.tgz#da9ab8f2657a2d65fd07e4436245d045e4bcf59a"
-  dependencies:
-    eslint "^4.13.1"
-    solparse "^2.2.2"
-    util-deprecate "^1.0.2"
-
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-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/solium/-/solium-1.1.6.tgz#af3591ba2709c34470e4678ed27026e81c5161d8"
-  dependencies:
-    ajv "^5.2.2"
-    chokidar "^1.6.0"
-    colors "^1.1.2"
-    commander "^2.9.0"
-    js-string-escape "^1.0.1"
-    lodash "^4.14.2"
-    sol-digger "0.0.2"
-    sol-explore "1.6.1"
-    solium-plugin-security "0.1.1"
-    solparse "2.2.4"
-    text-table "^0.2.0"
-
-solparse@2.2.4, solparse@^2.2.2:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/solparse/-/solparse-2.2.4.tgz#3980b4db131fa3e17c010d67e1016436f5d46306"
-  dependencies:
-    mocha "^4.0.1"
-    pegjs "^0.10.0"
-    yargs "^10.0.3"
-
-sort-keys@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
-  dependencies:
-    is-plain-obj "^1.0.0"
-
-source-map-support@^0.4.15:
-  version "0.4.18"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
-  dependencies:
-    source-map "^0.5.6"
-
-source-map-support@^0.5.3:
-  version "0.5.4"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.4.tgz#54456efa89caa9270af7cd624cc2f123e51fbae8"
-  dependencies:
-    source-map "^0.6.0"
-
-source-map@^0.4.2:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
-
-source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
-  version "0.5.7"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
-
-source-map@^0.6.0, source-map@~0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
-
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-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/spawn-args/-/spawn-args-0.1.0.tgz#3e0232a0571b387907f8b3f544aa531c6224848c"
-
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
-  dependencies:
-    spdx-license-ids "^1.0.2"
-
-spdx-expression-parse@~1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
-
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-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
-
-sprintf-js@~1.0.2:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
-
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-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
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-    asn1 "~0.2.3"
-    assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
-    bcrypt-pbkdf "^1.0.0"
-    ecc-jsbn "~0.1.1"
-    jsbn "~0.1.0"
-    tweetnacl "~0.14.0"
-
-"statuses@>= 1.3.1 < 2":
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
-
-statuses@~1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
-
-stream-browserify@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
-  dependencies:
-    inherits "~2.0.1"
-    readable-stream "^2.0.2"
-
-stream-combiner2@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/stream-combiner2/-/stream-combiner2-1.1.1.tgz#fb4d8a1420ea362764e21ad4780397bebcb41cbe"
-  dependencies:
-    duplexer2 "~0.1.0"
-    readable-stream "^2.0.2"
-
-stream-http@^2.0.0:
-  version "2.8.0"
-  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
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-    inherits "^2.0.1"
-    readable-stream "^2.3.3"
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-    xtend "^4.0.0"
-
-stream-splicer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
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-    inherits "^2.0.1"
-    readable-stream "^2.0.2"
-
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/stream-to-observable/-/stream-to-observable-0.2.0.tgz#59d6ea393d87c2c0ddac10aa0d561bc6ba6f0e10"
-  dependencies:
-    any-observable "^0.2.0"
-
-strict-uri-encode@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
-
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-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/string-template/-/string-template-0.2.1.tgz#42932e598a352d01fc22ec3367d9d84eec6c9add"
-
-string-width@^1.0.1, string-width@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
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-    is-fullwidth-code-point "^1.0.0"
-    strip-ansi "^3.0.0"
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-string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
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-    strip-ansi "^4.0.0"
-
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-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
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-    es-abstract "^1.5.0"
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-string_decoder@~0.10.0, string_decoder@~0.10.x:
-  version "0.10.31"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
-
-string_decoder@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
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-    safe-buffer "~5.1.0"
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-string_decoder@~1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
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-    safe-buffer "~5.1.0"
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-stringstream@~0.0.4, stringstream@~0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
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-strip-ansi@^3.0.0, strip-ansi@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
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-    ansi-regex "^2.0.0"
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-strip-ansi@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
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-    ansi-regex "^3.0.0"
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-strip-ansi@~0.1.0:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-0.1.1.tgz#39e8a98d044d150660abe4a6808acf70bb7bc991"
-
-strip-bom-stream@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom-stream/-/strip-bom-stream-2.0.0.tgz#f87db5ef2613f6968aa545abfe1ec728b6a829ca"
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-    first-chunk-stream "^2.0.0"
-    strip-bom "^2.0.0"
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-strip-bom@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
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-    is-utf8 "^0.2.0"
-
-strip-bom@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
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-strip-eof@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
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-strip-hex-prefix@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz#0c5f155fef1151373377de9dbb588da05500e36f"
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-strip-indent@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
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-    get-stdin "^4.0.1"
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-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
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-subarg@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
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-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-1.2.0.tgz#ff1ed1e61169d06b3cf2d588e188b18d8847e17e"
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-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.1.2.tgz#72a262894d9d408b956ca05ff37b2ed8a6e2a2d5"
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-    has-flag "^1.0.0"
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-  version "4.4.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
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-supports-color@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
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-supports-color@^5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.3.0.tgz#5b24ac15db80fa927cf5227a4a33fd3c4c7676c0"
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-    has-flag "^3.0.0"
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
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-symbol-observable@^0.2.2:
-  version "0.2.4"
-  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-0.2.4.tgz#95a83db26186d6af7e7a18dbd9760a2f86d08f40"
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-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.3.0.tgz#1ed9266c4d40be75dc55bf9bb1cb77062bb96ca1"
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-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
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-tapable@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
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-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/tape/-/tape-4.8.0.tgz#f6a9fec41cc50a1de50fa33603ab580991f6068e"
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-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.4.1.tgz#e1dbc03a9b9d3ba07e896ad027317eb679a10a1f"
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-tar@^2.0.0, tar@^2.2.1:
-  version "2.2.1"
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-  version "0.8.3"
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-text-table@^0.2.0, text-table@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
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-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/textextensions/-/textextensions-2.2.0.tgz#38ac676151285b658654581987a0ce1a4490d286"
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-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
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-"through@>=2.2.7 <3", through@^2.3.6, through@~2.3.4, through@~2.3.8:
-  version "2.3.8"
-  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
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-    strip-ansi "^3.0.1"
-
-wrappy@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
-
-write-file-atomic@^1.2.0:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-1.3.4.tgz#f807a4f0b1d9e913ae7a48112e6cc3af1991b45f"
-  dependencies:
-    graceful-fs "^4.1.11"
-    imurmurhash "^0.1.4"
-    slide "^1.1.5"
-
-write@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
-  dependencies:
-    mkdirp "^0.5.1"
-
-xhr2@*:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/xhr2/-/xhr2-0.1.4.tgz#7f87658847716db5026323812f818cadab387a5f"
-
-xhr@^2.2.0:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/xhr/-/xhr-2.4.1.tgz#ba982cced205ae5eec387169ac9dc77ca4853d38"
-  dependencies:
-    global "~4.3.0"
-    is-function "^1.0.1"
-    parse-headers "^2.0.0"
-    xtend "^4.0.0"
-
-xmlhttprequest@*:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
-
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0, xtend@~4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
-
-xtend@~2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.1.2.tgz#6efecc2a4dad8e6962c4901b337ce7ba87b5d28b"
-  dependencies:
-    object-keys "~0.4.0"
-
-y18n@^3.2.0, y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-
-yallist@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
-
-yargs-parser@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-2.4.1.tgz#85568de3cf150ff49fa51825f03a8c880ddcc5c4"
-  dependencies:
-    camelcase "^3.0.0"
-    lodash.assign "^4.0.6"
-
-yargs-parser@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"
-  dependencies:
-    camelcase "^3.0.0"
-
-yargs-parser@^8.1.0:
-  version "8.1.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.1.0.tgz#f1376a33b6629a5d063782944da732631e966950"
-  dependencies:
-    camelcase "^4.1.0"
-
-yargs-parser@^9.0.2:
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
-  dependencies:
-    camelcase "^4.1.0"
-
-yargs@^10.0.3:
-  version "10.1.2"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.1.2.tgz#454d074c2b16a51a43e2fb7807e4f9de69ccb5c5"
-  dependencies:
-    cliui "^4.0.0"
-    decamelize "^1.1.1"
-    find-up "^2.1.0"
-    get-caller-file "^1.0.1"
-    os-locale "^2.0.0"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^2.0.0"
-    which-module "^2.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^8.1.0"
-
-yargs@^11.1.0:
-  version "11.1.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
-  dependencies:
-    cliui "^4.0.0"
-    decamelize "^1.1.1"
-    find-up "^2.1.0"
-    get-caller-file "^1.0.1"
-    os-locale "^2.0.0"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^2.0.0"
-    which-module "^2.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^9.0.2"
-
-yargs@^3.27.0, yargs@^3.29.0:
-  version "3.32.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.32.0.tgz#03088e9ebf9e756b69751611d2a5ef591482c995"
-  dependencies:
-    camelcase "^2.0.1"
-    cliui "^3.0.3"
-    decamelize "^1.1.1"
-    os-locale "^1.4.0"
-    string-width "^1.0.1"
-    window-size "^0.1.4"
-    y18n "^3.2.0"
-
-yargs@^4.6.0, yargs@^4.7.1:
-  version "4.8.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-4.8.1.tgz#c0c42924ca4aaa6b0e6da1739dfb216439f9ddc0"
-  dependencies:
-    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@^7.0.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"
-  dependencies:
-    camelcase "^3.0.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    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 "^1.0.2"
-    which-module "^1.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^5.0.0"
-
-yargs@~1.2.6:
-  version "1.2.6"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-1.2.6.tgz#9c7b4a82fd5d595b2bf17ab6dcc43135432fe34b"
-  dependencies:
-    minimist "^0.1.0"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"
-
-yeoman-environment@^2.0.0, yeoman-environment@^2.0.5:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/yeoman-environment/-/yeoman-environment-2.0.6.tgz#ae1b21d826b363f3d637f88a7fc9ea7414cb5377"
-  dependencies:
-    chalk "^2.1.0"
-    debug "^3.1.0"
-    diff "^3.3.1"
-    escape-string-regexp "^1.0.2"
-    globby "^6.1.0"
-    grouped-queue "^0.3.3"
-    inquirer "^3.3.0"
-    is-scoped "^1.0.0"
-    lodash "^4.17.4"
-    log-symbols "^2.1.0"
-    mem-fs "^1.1.0"
-    text-table "^0.2.0"
-    untildify "^3.0.2"
-
-yeoman-generator@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/yeoman-generator/-/yeoman-generator-2.0.3.tgz#19426ed22687ffe05d31526c3f1c2cf67ba768f3"
-  dependencies:
-    async "^2.6.0"
-    chalk "^2.3.0"
-    cli-table "^0.3.1"
-    cross-spawn "^5.1.0"
-    dargs "^5.1.0"
-    dateformat "^3.0.2"
-    debug "^3.1.0"
-    detect-conflict "^1.0.0"
-    error "^7.0.2"
-    find-up "^2.1.0"
-    github-username "^4.0.0"
-    istextorbinary "^2.1.0"
-    lodash "^4.17.4"
-    make-dir "^1.1.0"
-    mem-fs-editor "^3.0.2"
-    minimist "^1.2.0"
-    pretty-bytes "^4.0.2"
-    read-chunk "^2.1.0"
-    read-pkg-up "^3.0.0"
-    rimraf "^2.6.2"
-    run-async "^2.0.0"
-    shelljs "^0.8.0"
-    text-table "^0.2.0"
-    through2 "^2.0.0"
-    yeoman-environment "^2.0.5"
-
-zeppelin-solidity@^1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/zeppelin-solidity/-/zeppelin-solidity-1.8.0.tgz#049fcde7daea9fc85210f8c6db9f8cd1ab8a853a"
-  dependencies:
-    dotenv "^4.0.0"
-    ethjs-abi "^0.2.1"

From fe3faef11c8cdea76471ccdfdd47808eb39c208d Mon Sep 17 00:00:00 2001
From: Cristian Adamo <cristian.adamo@gmail.com>
Date: Wed, 18 Apr 2018 14:35:38 -0300
Subject: [PATCH 2/2] Improve gas usage changing time properties to 32 bytes

---
 contracts/DataOrder.sol | 41 ++++++++++++++++++++---------------------
 1 file changed, 20 insertions(+), 21 deletions(-)

diff --git a/contracts/DataOrder.sol b/contracts/DataOrder.sol
index f6f83ed..cb11a62 100644
--- a/contracts/DataOrder.sol
+++ b/contracts/DataOrder.sol
@@ -30,7 +30,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
   // --- Notary Information ---
   struct NotaryInfo {
     bool accepted;
-    uint acceptedAt;
+    uint32 acceptedAt;
   }
 
   // --- Seller Information ---
@@ -38,9 +38,9 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
     address notary;
     string hash;
     string signature;
-    uint closedAt;
-    uint createdAt;
-    uint notarizedAt;
+    uint32 closedAt;
+    uint32 createdAt;
+    uint32 notarizedAt;
     DataResponseStatus status;
   }
 
@@ -52,9 +52,9 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
   string public buyerURL;
   string public publicKey;
   uint256 public price;
-  uint public createdAt;
-  uint public dataAddedAt;
-  uint public transactionCompletedAt;
+  uint32 public createdAt;
+  uint32 public dataAddedAt;
+  uint32 public transactionCompletedAt;
   OrderStatus public orderStatus;
 
   mapping(address => SellerInfo) public sellerInfo;
@@ -102,7 +102,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
     buyerURL = _buyerURL;
     publicKey = _publicKey;
     orderStatus = OrderStatus.OrderCreated;
-    createdAt = block.timestamp;
+    createdAt = uint32(block.timestamp);
   }
 
   /**
@@ -124,7 +124,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
     }
 
     if (notaryInfo[notary].accepted != true) {
-      notaryInfo[notary] = NotaryInfo(true, block.timestamp);
+      notaryInfo[notary] = NotaryInfo(true, uint32(block.timestamp));
       acceptedNotaries.push(notary);
       orderStatus = OrderStatus.NotaryAccepted;
     }
@@ -169,7 +169,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
       hash,
       signature,
       0,
-      block.timestamp,
+      uint32(block.timestamp),
       0,
       DataResponseStatus.DataResponseAdded
     );
@@ -200,7 +200,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
       approved ? DataResponseStatus.DataResponseApproved
                : DataResponseStatus.DataResponseRejected
     );
-    sellerInfo[seller].notarizedAt = block.timestamp;
+    sellerInfo[seller].notarizedAt = uint32(block.timestamp);
     return true;
   }
 
@@ -216,7 +216,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
 
     if (hasSellerBeenAccepted(seller) || hasSellerBeenApproved(seller)) {
       sellerInfo[seller].status = DataResponseStatus.TransactionCompleted;
-      sellerInfo[seller].closedAt = block.timestamp;
+      sellerInfo[seller].closedAt = uint32(block.timestamp);
       return true;
     }
     return false;
@@ -230,7 +230,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
    */
   function close() public onlyOwner returns (bool) {
     orderStatus = OrderStatus.TransactionCompleted;
-    transactionCompletedAt = block.timestamp;
+    transactionCompletedAt = uint32(block.timestamp);
     return true;
   }
 
@@ -308,9 +308,9 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
     uint256,
     string,
     string,
-    uint,
-    uint,
-    uint,
+    uint32,
+    uint32,
+    uint32,
     bytes32
   ) {
     SellerInfo memory info = sellerInfo[seller];
@@ -320,9 +320,9 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
       price,
       info.hash,
       info.signature,
-      info.closedAt,
-      info.createdAt,
-      info.notarizedAt,
+      uint32(info.closedAt),
+      uint32(info.createdAt),
+      uint32(info.notarizedAt),
       getDataResponseStatusAsString(info.status)
     );
   }
@@ -333,8 +333,7 @@ contract DataOrder is Ownable, Destructible, ModifierUtils {
    * @return Address of the notary assigned to the given seller.
    */
   function getNotaryForSeller(address seller) public view returns (address) {
-    SellerInfo memory info = sellerInfo[seller];
-    return info.notary;
+    return sellerInfo[seller].notary;
   }
 
   /**