From 370f1baacf0cf7677fcf93805674d1811fa34736 Mon Sep 17 00:00:00 2001
From: MerlinEgalite <egalite.merlin@gmail.com>
Date: Fri, 28 May 2021 17:24:10 +0100
Subject: [PATCH 1/5] feat: add ChainlinkRNG contract

---
 contracts/standard/rng/ChainlinkRNG.sol | 103 ++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 contracts/standard/rng/ChainlinkRNG.sol

diff --git a/contracts/standard/rng/ChainlinkRNG.sol b/contracts/standard/rng/ChainlinkRNG.sol
new file mode 100644
index 00000000..4b56c6fe
--- /dev/null
+++ b/contracts/standard/rng/ChainlinkRNG.sol
@@ -0,0 +1,103 @@
+/**
+ *  @authors: [@MerlinEgalite]
+ *  @reviewers: []
+ *  @auditors: []
+ *  @bounties: []
+ *  @deployments: []
+ */
+pragma solidity ^0.6.6;
+
+import "@chainlink/contracts/src/v0.6/VRFConsumerBase.sol";
+import "./RNG.sol";
+
+/**
+ * @title Random Number Generator using Chainlink Verifiable Randomness Mechanism
+ * @author Merlin Egalite - <egalite.merlin@gmail.com>
+ *
+ * @dev This contract implements the RNG standard and inherits from VRFConsumerBase to use Chainlink Verifiable Randomness Mechanism.
+ * @dev It allows to store the random number associated to the requests made.
+ * @dev Note that to make requests to Chainlink, the contract needs to be funded with some LINK.
+ * @dev Chainlink documentation: https://docs.chain.link/docs/chainlink-vrf/
+ * @dev For SECURITY CONSIDERATIONS, you might also have look to: https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/VRFConsumerBase.sol
+ */
+contract ChainlinkRNG is RNG, VRFConsumerBase {
+
+    /* Storage */
+
+    bytes32 internal keyHash; // The key hash to use for Chainlink's VRFCoordinator.
+    uint256 internal fee; // The fee to pay to Chainlink.
+    address public owner; // The owner of the contract.
+
+    mapping (bytes32 => uint256) public randomNumber; // randomNumber[requestId] is the random number for the requestId, 0 otherwise.
+
+    modifier onlyOwner() {
+        require(msg.sender == owner, "Not the owner");
+    }
+
+    /* Constructor */
+
+    /**
+     * @dev Constructs the ChainlinkRNG contract.
+     * @param _vrfCoordinator Address of VRFCoordinator contract.
+     * @param _link Address of LINK token contract.
+     * @param _keyHash The _keyHash for the VRF Coordinator.
+     * @param _fee The amount of LINK to send with a request.
+     *
+     * @dev https://docs.chain.link/docs/link-token-contracts
+     */
+    constructor(address _vrfCoordinator, address _link, bytes32 _keyHash, uint256 _fee)
+        VRFConsumerBase(_vrfCoordinator, _link) public
+    {
+        keyHash = _keyHash;
+        fee = _fee;
+        owner = msg.sender;
+    }
+
+    /**
+     * @dev Withdraws all LINK tokens locked in this contract.
+     */
+    function withdrawLink() external onlyOwner {
+        require(LINK.transfer(msg.sender, LINK.balanceOf(address(this))), "Unable to transfer");
+    }
+
+    /**
+     * @dev Changes the fee used when requesting a new random number.
+     */
+    function changeFee(uint256 _newFee) external onlyOwner {
+        fee = _newFee;
+    }
+
+    /**
+     * @dev Requests a random number.
+     * @dev The _seed parameter is vestigial, and is kept only for API
+     * @dev compatibility with older versions. It can't *hurt* to mix in some of
+     * @dev your own randomness, here, but it's not necessary because the VRF
+     * @dev oracle will mix the hash of the block containing your request into the
+     * @dev VRF seed it ultimately uses.
+     * @param _seed seed mixed into the input of the VRF.
+     * @return requestId unique ID for this request.
+     */
+    function requestRN(uint _seed) public returns (uint256 requestId) {
+        require(LINK.balanceOf(address(this)) >= fee, "Not enough LINK to pay the fee");
+        return requestRandomness(keyHash, fee, _seed);
+    }
+
+    /**
+     * @dev Returns the random number associatd to a request Id.
+     * @param _requestId The Id initially returned by requestRN.
+     * @return RN Random Number. If the number is not ready or has not been required it returns 0.
+     */
+    function getRN(bytes32 _requestId) public returns (uint256 RN) {
+        return randomNumber[_requestId];
+    }
+
+    /**
+     * @dev Stores the random number given by the VRF Coordinator.
+     * @dev This is the callback function used by the VRF Coordinator.
+     * @param _requestId The Id initially returned by requestRN.
+     * @param _randomness the VRF output.
+     */
+    function fulfillRandomness(bytes32 _requestId, uint256 _randomness) internal override {
+        randomNumber[_requestId] = _randomness;
+    }
+}
\ No newline at end of file

From 5d425d8c055bd3a150c0418a8fa6c6303c3bcb6e Mon Sep 17 00:00:00 2001
From: MerlinEgalite <egalite.merlin@gmail.com>
Date: Fri, 28 May 2021 17:25:21 +0100
Subject: [PATCH 2/5] feat: add chainlink dependencies

---
 package.json |    1 +
 yarn.lock    | 1406 +++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 1396 insertions(+), 11 deletions(-)

diff --git a/package.json b/package.json
index f1f5f782..45d09b81 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,7 @@
   "dependencies": {
     "@kleros/kleros": "^0.1.2",
     "@realitio/realitio-contracts": "^2.0.5",
+    "@chainlink/contracts": "^0.1.7",
     "minimetoken": "^0.2.0",
     "openzeppelin-solidity": "^1.12.0",
     "web3-utils": "^1.2.1"
diff --git a/yarn.lock b/yarn.lock
index f0ca3bbb..99aff229 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -119,6 +119,14 @@
     lodash "^4.17.10"
     to-fast-properties "^2.0.0"
 
+"@chainlink/contracts@^0.1.7":
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/@chainlink/contracts/-/contracts-0.1.7.tgz#ff8e8f1fad5f0766d52ad515f83148f9d82cccad"
+  integrity sha512-txVkGrwFYnyLUC/I5hTe7yZK7fjmB6YFULfBHqryRuREUmGd4bdpXfrcUUsZycmWibanp69QVyQBpsDrPhWsjw==
+  optionalDependencies:
+    "@truffle/contract" "^4.3.8"
+    ethers "^4.0.45"
+
 "@commitlint/cli@^7.2.1":
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/@commitlint/cli/-/cli-7.2.1.tgz#dbb9eeb1f5015a129bb0801fbc1115eb1dcd513b"
@@ -275,6 +283,181 @@
   dependencies:
     find-up "^2.1.0"
 
+"@ethersproject/abi@5.0.7":
+  version "5.0.7"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.0.7.tgz#79e52452bd3ca2956d0e1c964207a58ad1a0ee7b"
+  integrity sha512-Cqktk+hSIckwP/W8O47Eef60VwmoSC/L3lY0+dIBhQPCNn9E4V7rwmm2aFrNRRDJfFlGuZ1khkQUOc3oBX+niw==
+  dependencies:
+    "@ethersproject/address" "^5.0.4"
+    "@ethersproject/bignumber" "^5.0.7"
+    "@ethersproject/bytes" "^5.0.4"
+    "@ethersproject/constants" "^5.0.4"
+    "@ethersproject/hash" "^5.0.4"
+    "@ethersproject/keccak256" "^5.0.3"
+    "@ethersproject/logger" "^5.0.5"
+    "@ethersproject/properties" "^5.0.3"
+    "@ethersproject/strings" "^5.0.4"
+
+"@ethersproject/abstract-provider@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.2.0.tgz#b5c24b162f119b5d241738ded9555186013aa77d"
+  integrity sha512-Xi7Pt+CulRijc/vskBGIaYMEhafKjoNx8y4RNj/dnSpXHXScOJUSTtypqGBUngZddRbcwZGbHwEr6DZoKZwIZA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/networks" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/transactions" "^5.2.0"
+    "@ethersproject/web" "^5.2.0"
+
+"@ethersproject/abstract-signer@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.2.0.tgz#8e291fb6558b4190fb3e2fe440a9ffd092a2f459"
+  integrity sha512-JTXzLUrtoxpOEq1ecH86U7tstkEa9POKAGbGBb+gicbjGgzYYkLR4/LD83SX2/JNWvtYyY8t5errt5ehiy1gxQ==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+
+"@ethersproject/address@^5.0.4", "@ethersproject/address@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.2.0.tgz#afcfa92db84582f54a60a9da361cea4aae450a69"
+  integrity sha512-2YfZlalWefOEfnr/CdqKRrgMgbKidYc+zG4/ilxSdcryZSux3eBU5/5btAT/hSiaHipUjd8UrWK8esCBHU6QNQ==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/rlp" "^5.2.0"
+
+"@ethersproject/base64@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.2.0.tgz#e01066d25e5b4e8a051545163bee5def47bd9534"
+  integrity sha512-D9wOvRE90QBI+yFsKMv0hnANiMzf40Xicq9JZbV9XYzh7srImmwmMcReU2wHjOs9FtEgSJo51Tt+sI1dKPYKDg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+
+"@ethersproject/bignumber@^5.0.7", "@ethersproject/bignumber@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.2.0.tgz#03f91ea740c5adb6f8c6a2e91bb4ee5ffaff5503"
+  integrity sha512-+MNQTxwV7GEiA4NH/i51UqQ+lY36O0rxPdV+0qzjFSySiyBlJpLk6aaa4UTvKmYWlI7YKZm6vuyCENeYn7qAOw==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    bn.js "^4.4.0"
+
+"@ethersproject/bytes@^5.0.4", "@ethersproject/bytes@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.2.0.tgz#327917d5a1600f92fd2a9da4052fa6d974583132"
+  integrity sha512-O1CRpvJDnRTB47vvW8vyqojUZxVookb4LJv/s06TotriU3Xje5WFvlvXJu1yTchtxTz9BbvJw0lFXKpyO6Dn7w==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/constants@^5.0.4", "@ethersproject/constants@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.2.0.tgz#ccea78ce325f78abfe7358397c03eec570518d92"
+  integrity sha512-p+34YG0KbHS20NGdE+Ic0M6egzd7cDvcfoO9RpaAgyAYm3V5gJVqL7UynS87yCt6O6Nlx6wRFboPiM5ctAr+jA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.2.0"
+
+"@ethersproject/hash@^5.0.4":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.2.0.tgz#2d21901eafc5bdb738b4ad96bee364d371ec724b"
+  integrity sha512-wEGry2HFFSssFiNEkFWMzj1vpdFv4rQlkBp41UfL6J58zKGNycoAWimokITDMk8p7548MKr27h48QfERnNKkRw==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.2.0"
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
+"@ethersproject/keccak256@^5.0.3", "@ethersproject/keccak256@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.2.0.tgz#15257862807c23f24a3209d1016d322dca85a464"
+  integrity sha512-LqyxTwVANga5Y3L1yo184czW6b3PibabN8xyE/eOulQLLfXNrHHhwrOTpOhoVRWCICVCD/5SjQfwqTrczjS7jQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    js-sha3 "0.5.7"
+
+"@ethersproject/logger@^5.0.5", "@ethersproject/logger@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.2.0.tgz#accf5348251f78b6c8891af67f42490a4ea4e5ae"
+  integrity sha512-dPZ6/E3YiArgG8dI/spGkaRDry7YZpCntf4gm/c6SI8Mbqiihd7q3nuLN5VvDap/0K3xm3RE1AIUOcUwwh2ezQ==
+
+"@ethersproject/networks@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.2.0.tgz#66c23c6ac477dd703645b2c971ac842d8b8aa524"
+  integrity sha512-q+htMgq7wQoEnjlkdHM6t1sktKxNbEB/F6DQBPNwru7KpQ1R0n0UTIXJB8Rb7lSnvjqcAQ40X3iVqm94NJfYDw==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/properties@^5.0.3", "@ethersproject/properties@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.2.0.tgz#8fadf367f7ac7357019d0224aa579b234c545ac1"
+  integrity sha512-oNFkzcoGwXXV+/Yp/MLcDLrL/2i360XIy2YN9yRZJPnIbLwjroFNLiRzLs6PyPw1D09Xs8OcPR1/nHv6xDKE2A==
+  dependencies:
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/rlp@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.2.0.tgz#bbf605183818a9d96bdc40323d734c79e26cfaca"
+  integrity sha512-RqGsELtPWxcFhOOhSr0lQ2hBNT9tBE08WK0tb6VQbCk97EpqkbgP8yXED9PZlWMiRGchJTw6S+ExzK62XMX/fw==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/signing-key@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.2.0.tgz#e8eb10d3c0f4a575479db8d70c62aaf93cd384d1"
+  integrity sha512-9A+dVSkrVAPuhJnWqLWV/NkKi/KB4iagTKEuojfuApUfeIHEhpwQ0Jx3cBimk7qWISSSKdgiAmIqpvVtZ5FEkg==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    bn.js "^4.4.0"
+    elliptic "6.5.4"
+
+"@ethersproject/strings@^5.0.4", "@ethersproject/strings@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.2.0.tgz#e93d989859587191c3f64bda124d9dedbc3f5a97"
+  integrity sha512-RmjX800wRYKgrzo2ZCSlA8OCQYyq4+M46VgjSVDVyYkLZctBXC3epqlppDA24R7eo856KNbXqezZsMnHT+sSuA==
+  dependencies:
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+
+"@ethersproject/transactions@^5.0.0-beta.135", "@ethersproject/transactions@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.2.0.tgz#052e2ef8f8adf7037ebe4cc47aad2a61950e6491"
+  integrity sha512-QrGbhGYsouNNclUp3tWMbckMsuXJTOsA56kT3BuRrLlXJcUH7myIihajXdSfKcyJsvHJPrGZP+U3TKh+sLzZtg==
+  dependencies:
+    "@ethersproject/address" "^5.2.0"
+    "@ethersproject/bignumber" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/constants" "^5.2.0"
+    "@ethersproject/keccak256" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/rlp" "^5.2.0"
+    "@ethersproject/signing-key" "^5.2.0"
+
+"@ethersproject/web@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.2.0.tgz#47d8e152e7fcc07ba0aff4f99fde268fde79dd7a"
+  integrity sha512-mYb9qxGlOBFR2pR6t1CZczuqqX6r8RQGn7MtwrBciMex3cvA/qs+wbmcDgl+/OZY0Pco/ih6WHQRnVi+4sBeCQ==
+  dependencies:
+    "@ethersproject/base64" "^5.2.0"
+    "@ethersproject/bytes" "^5.2.0"
+    "@ethersproject/logger" "^5.2.0"
+    "@ethersproject/properties" "^5.2.0"
+    "@ethersproject/strings" "^5.2.0"
+
 "@iamstarkov/listr-update-renderer@0.4.1":
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/@iamstarkov/listr-update-renderer/-/listr-update-renderer-0.4.1.tgz#d7c48092a2dcf90fd672b6c8b458649cb350c77e"
@@ -391,6 +574,28 @@
   resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.11.tgz#9886f4cb7a9f20deded4451ac78f8567ae5c0d75"
   integrity sha512-9MyQ/20M96clhIcC7fVFIckGSB8qMsmcdU6iYt98HXJ9GOLNKsCaJFz1OVsJncVreYwTUhoEXTrVBc8zrmPDJQ==
 
+"@truffle/blockchain-utils@^0.0.30":
+  version "0.0.30"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.30.tgz#1fafbd8e8694d79280177b5eff167b0690838855"
+  integrity sha512-3hkHSHxVavoALcxpBqD4YwHuCmkBrvjq6PAGw93i6WCB+pnejBD5sFjVCiZZKCogh4kGObxxcwu53+3dyT/6IQ==
+
+"@truffle/codec@^0.10.7":
+  version "0.10.7"
+  resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.10.7.tgz#c08f656cb53ef580305ca2b42289b3d923ea1e14"
+  integrity sha512-mKoAzv2VOjIlRc8VD6rQBVj75cqUUVs8O4LzHNw6lnXHIas7NgBYsCixPGoanuVQ6HEu3NzRWfXDtJPHBUZJcg==
+  dependencies:
+    big.js "^5.2.2"
+    bn.js "^5.1.3"
+    cbor "^5.1.0"
+    debug "^4.3.1"
+    lodash.clonedeep "^4.5.0"
+    lodash.escaperegexp "^4.1.2"
+    lodash.partition "^4.6.0"
+    lodash.sum "^4.0.2"
+    semver "^7.3.4"
+    utf8 "^3.0.0"
+    web3-utils "1.3.6"
+
 "@truffle/contract-schema@^3.0.14":
   version "3.0.16"
   resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.0.16.tgz#0de8670b2b0dacba57b43b65911c5376dd00bbdf"
@@ -400,16 +605,122 @@
     crypto-js "^3.1.9-1"
     debug "^4.1.0"
 
+"@truffle/contract-schema@^3.4.1":
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.4.1.tgz#13b404383d438b48960862022a20102970323666"
+  integrity sha512-2gvu6gxJtbbI67H2Bwh2rBuej+1uCV3z4zKFzQZP00hjNoL+QfybrmBcOVB88PflBeEB+oUXuwQfDoKX3TXlnQ==
+  dependencies:
+    ajv "^6.10.0"
+    crypto-js "^3.1.9-1"
+    debug "^4.3.1"
+
+"@truffle/contract@^4.3.8":
+  version "4.3.17"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.3.17.tgz#bacdc19daad439a5351fc76747bae260f6821ba3"
+  integrity sha512-O/an0UdKgHfsPK9sdCEsbOAPE7Wke9s4pjh9ceXKaqMFyTYIhpnb41dXduyCgepfabZfUEZiwsOa18xy/YCdTg==
+  dependencies:
+    "@truffle/blockchain-utils" "^0.0.30"
+    "@truffle/contract-schema" "^3.4.1"
+    "@truffle/debug-utils" "^5.0.17"
+    "@truffle/error" "^0.0.14"
+    "@truffle/interface-adapter" "^0.4.24"
+    bignumber.js "^7.2.1"
+    ethereum-ens "^0.8.0"
+    ethers "^4.0.32"
+    web3 "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-promievent "1.3.6"
+    web3-eth-abi "1.3.6"
+    web3-utils "1.3.6"
+
+"@truffle/debug-utils@^5.0.17":
+  version "5.0.17"
+  resolved "https://registry.yarnpkg.com/@truffle/debug-utils/-/debug-utils-5.0.17.tgz#02396d5526c257f36635d82858a67fd95766a0af"
+  integrity sha512-0d6rc20id3UN/rH8VU1MckDhmiUX4iZZvH4Z1SqG4h/c22WqpiNmRRJBPetA2dDo2IhPMRa7/4W0/fVKD/v20A==
+  dependencies:
+    "@truffle/codec" "^0.10.7"
+    "@trufflesuite/chromafi" "^2.2.2"
+    bn.js "^5.1.3"
+    chalk "^2.4.2"
+    debug "^4.3.1"
+    highlight.js "^10.4.0"
+    highlightjs-solidity "^1.1.0"
+
+"@truffle/error@^0.0.14":
+  version "0.0.14"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.14.tgz#59683b5407bede7bddf16d80dc5592f9c5e5fa05"
+  integrity sha512-utJx+SZYoMqk8wldQG4gCVKhV8GwMJbWY7sLXFT/D8wWZTnE2peX7URFJh/cxkjTRCO328z1s2qewkhyVsu2HA==
+
 "@truffle/error@^0.0.6":
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.6.tgz#75d499845b4b3a40537889e7d04c663afcaee85d"
   integrity sha512-QUM9ZWiwlXGixFGpV18g5I6vua6/r+ZV9W/5DQA5go9A3eZUNPHPaTKMIQPJLYn6+ZV5jg5H28zCHq56LHF3yA==
 
+"@truffle/interface-adapter@^0.4.24":
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.4.24.tgz#5d6d4f10c756e967f19ac2ad1620d11d25c034bb"
+  integrity sha512-2Zho4dJbm/XGwNleY7FdxcjXiAR3SzdGklgrAW4N/YVmltaJv6bT56ACIbPNN6AdzkTSTO65OlsB/63sfSa/VA==
+  dependencies:
+    bn.js "^5.1.3"
+    ethers "^4.0.32"
+    web3 "1.3.6"
+
+"@trufflesuite/chromafi@^2.2.2":
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/chromafi/-/chromafi-2.2.2.tgz#d3fc507aa8504faffc50fb892cedcfe98ff57f77"
+  integrity sha512-mItQwVBsb8qP/vaYHQ1kDt2vJLhjoEXJptT6y6fJGvFophMFhOI/NsTVUa0nJL1nyMeFiS6hSYuNVdpQZzB1gA==
+  dependencies:
+    ansi-mark "^1.0.0"
+    ansi-regex "^3.0.0"
+    array-uniq "^1.0.3"
+    camelcase "^4.1.0"
+    chalk "^2.3.2"
+    cheerio "^1.0.0-rc.2"
+    detect-indent "^5.0.0"
+    he "^1.1.1"
+    highlight.js "^10.4.1"
+    lodash.merge "^4.6.2"
+    min-indent "^1.0.0"
+    strip-ansi "^4.0.0"
+    strip-indent "^2.0.0"
+    super-split "^1.1.0"
+
+"@types/bn.js@^4.11.3", "@types/bn.js@^4.11.5":
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.6.tgz#c306c70d9358aaea33cd4eda092a742b9505967c"
+  integrity sha512-pqr857jrp2kPuO9uRjZ3PwnJTjoQy+fcdxvBTvHm6dkmEL9q+hDD/2j/0ELOBPtPnS8LjCX0gI9nbl8lVkadpg==
+  dependencies:
+    "@types/node" "*"
+
+"@types/node@*":
+  version "15.6.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.6.1.tgz#32d43390d5c62c5b6ec486a9bc9c59544de39a08"
+  integrity sha512-7EIraBEyRHEe7CH+Fm1XvgqU6uwZN8Q7jppJGcqjROMT29qhAuuOxYB1uEY5UMYQKEmA5D+5tBnhdaPXSsLONA==
+
 "@types/node@^10.3.2":
   version "10.14.18"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.18.tgz#b7d45fc950e6ffd7edc685e890d13aa7b8535dce"
   integrity sha512-ryO3Q3++yZC/+b8j8BdKd/dn9JlzlHBPdm80656xwYUdmPkpTGTjkAdt6BByiNupGPE8w0FhBgvYy/fX9hRNGQ==
 
+"@types/node@^12.12.6":
+  version "12.20.13"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.13.tgz#e743bae112bd779ac9650f907197dd2caa7f0364"
+  integrity sha512-1x8W5OpxPq+T85OUsHRP6BqXeosKmeXRtjoF39STcdf/UWLqUsoehstZKOi0CunhVqHG17AyZgpj20eRVooK6A==
+
+"@types/pbkdf2@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/pbkdf2/-/pbkdf2-3.1.0.tgz#039a0e9b67da0cdc4ee5dab865caa6b267bb66b1"
+  integrity sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==
+  dependencies:
+    "@types/node" "*"
+
+"@types/secp256k1@^4.0.1":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@types/secp256k1/-/secp256k1-4.0.2.tgz#20c29a87149d980f64464e56539bf4810fdb5d1d"
+  integrity sha512-QMg+9v0bbNJ2peLuHRWxzmy0HRJIG6gFZNhaRSp7S3ggSbCCxiqQB2/ybvhXyhHOCequpNkrx7OavNhrWOsW0A==
+  dependencies:
+    "@types/node" "*"
+
 JSONStream@^1.0.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.4.tgz#615bb2adb0cd34c8f4c447b5f6512fa1d8f16a2e"
@@ -496,6 +807,17 @@ ansi-escapes@^3.0.0:
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.1.0.tgz#f73207bb81207d75fd6c83f125af26eea378ca30"
   integrity sha512-UgAb8H9D41AQnu/PbWlCofQVcnV4Gs2bBJi9eZPxfU/hgglFh3SMDMENRIqdr7H6XFnXdoknctFByVsCOotTVw==
 
+ansi-mark@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/ansi-mark/-/ansi-mark-1.0.4.tgz#1cd4ba8d57f15f109d6aaf6ec9ca9786c8a4ee6c"
+  integrity sha1-HNS6jVfxXxCdaq9uycqXhsik7mw=
+  dependencies:
+    ansi-regex "^3.0.0"
+    array-uniq "^1.0.3"
+    chalk "^2.3.2"
+    strip-ansi "^4.0.0"
+    super-split "^1.1.0"
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -631,7 +953,7 @@ array-union@^1.0.1:
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1:
+array-uniq@^1.0.1, array-uniq@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
   integrity sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=
@@ -724,6 +1046,11 @@ autoprefixer@^9.0.0:
     postcss "^7.0.5"
     postcss-value-parser "^3.3.1"
 
+available-typed-arrays@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.4.tgz#9e0ae84ecff20caae6a94a1c3bc39b955649b7a9"
+  integrity sha512-SA5mXJWrId1TaQjfxUYghbqQ/hYioKmLJvPJyDuYRtXXenFNMjj4hSSt1Cf1xsuXSXrtxrVC5Ot4eU6cOtBDdA==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -780,11 +1107,23 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base-x@^3.0.2, base-x@^3.0.8:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.8.tgz#1e1106c2537f0162e8b52474a557ebb09000018d"
+  integrity sha512-Rl/1AWP4J/zRrk54hhlxH4drNxPJXYUaKffODVI53/dAsV4t9fBxyxYKAVPU1XBHxYwOWP9h9H0hM2MVw4YfJA==
+  dependencies:
+    safe-buffer "^5.0.1"
+
 base64-js@^1.0.2:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
   integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
 
+base64-js@^1.3.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -805,11 +1144,21 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+big.js@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
+  integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
+
 bignumber.js@^7.2.1:
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
   integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
 
+bignumber.js@^9.0.0, bignumber.js@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.1.tgz#8d7ba124c882bfd8e43260c67475518d0689e4e5"
+  integrity sha512-IdZR9mh6ahOBv/hYGiXyVuyCetmGJhtYkqLBpTStdhEGjegpPlUawydyaF3pbIOFynJTpllEs+NP+CS9jKFLjA==
+
 binary-extensions@^1.0.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.12.0.tgz#c2d780f53d45bba8317a8902d4ceeaf3a6385b14"
@@ -823,6 +1172,16 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
+blakejs@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.1.0.tgz#69df92ef953aa88ca51a32df6ab1c54a155fc7a5"
+  integrity sha1-ad+S75U6qIylGjLfarHFShVfx6U=
+
+bluebird@^3.4.7:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
 bluebird@^3.5.0:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
@@ -838,6 +1197,16 @@ bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.6, bn.js@^4.
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
 
+bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
+
+bn.js@^5.1.3:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.0.tgz#358860674396c6997771a9d051fcc1b57d4ae002"
+  integrity sha512-D7iWRBvnZE8ecXiLj/9wbxH7Tk79fAh8IHaTNq1RWRixsS02W+5qS+iE9yq6RYl0asXx5tw0bLhmT5pIfbSquw==
+
 body-parser@1.19.0, body-parser@^1.16.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
@@ -854,6 +1223,11 @@ body-parser@1.19.0, body-parser@^1.16.0:
     raw-body "2.4.0"
     type-is "~1.6.17"
 
+boolbase@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
+  integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -887,7 +1261,7 @@ braces@^2.3.1:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
@@ -897,7 +1271,7 @@ browser-stdout@1.3.0:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
   integrity sha1-81HTKWnTL6XXpVZxVCY9korjvR8=
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -966,6 +1340,22 @@ browserslist@^4.3.3:
     electron-to-chromium "^1.3.82"
     node-releases "^1.0.1"
 
+bs58@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
+  integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
+  dependencies:
+    base-x "^3.0.2"
+
+bs58check@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
+  integrity sha512-0TS1jicxdU09dwJMNZtVAfzPi6Q6QeN0pM1Fkzrjn+XYHvzMKPU3pHVpva+769iNVSfIYWf7LJ6WR+BuuMf8cA==
+  dependencies:
+    bs58 "^4.0.0"
+    create-hash "^1.1.0"
+    safe-buffer "^5.1.2"
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
@@ -1012,6 +1402,21 @@ buffer@^5.0.5, buffer@^5.2.1:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.5.0, buffer@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
+  integrity sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.1.13"
+
+bufferutil@^4.0.1:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/bufferutil/-/bufferutil-4.0.3.tgz#66724b756bed23cd7c28c4d306d7994f9943cc6b"
+  integrity sha512-yEYTwGndELGvfXsImMBLop58eaGW+YdONi1fNjTINSY98tmMmFijBG6WXgdkfuLNt4imzQNtIE+eBp1PVpMCSw==
+  dependencies:
+    node-gyp-build "^4.2.0"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1055,6 +1460,14 @@ cachedir@2.1.0:
   resolved "https://registry.yarnpkg.com/cachedir/-/cachedir-2.1.0.tgz#b448c32b44cd9c0cd6ce4c419fa5b3c112c02191"
   integrity sha512-xGBpPqoBvn3unBW7oxgb8aJn42K0m9m1/wyjmazah10Fq7bROGG3kRAE6OIyr3U3PIJUqGuebhCEdMk9OKJG0A==
 
+call-bind@^1.0.0, call-bind@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 call-me-maybe@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/call-me-maybe/-/call-me-maybe-1.0.1.tgz#26d208ea89e37b5cbde60250a15f031c16a4d66b"
@@ -1133,6 +1546,14 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
+cbor@^5.1.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/cbor/-/cbor-5.2.0.tgz#4cca67783ccd6de7b50ab4ed62636712f287a67c"
+  integrity sha512-5IMhi9e1QU76ppa5/ajP1BmMWZ2FHkhAhjeVKQ/EFCgYSEaeVaoGtL7cxJskf9oCCk+XjzaIdc3IuU/dbA/o2A==
+  dependencies:
+    bignumber.js "^9.0.1"
+    nofilter "^1.0.4"
+
 ccount@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/ccount/-/ccount-1.0.3.tgz#f1cec43f332e2ea5a569fd46f9f5bde4e6102aff"
@@ -1184,6 +1605,15 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.1, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@^2.3.2, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 character-entities-html4@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/character-entities-html4/-/character-entities-html4-1.1.2.tgz#c44fdde3ce66b52e8d321d6c1bf46101f0150610"
@@ -1214,6 +1644,30 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
+cheerio-select@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-1.4.0.tgz#3a16f21e37a2ef0f211d6d1aa4eff054bb22cdc9"
+  integrity sha512-sobR3Yqz27L553Qa7cK6rtJlMDbiKPdNywtR95Sj/YgfpLfy0u6CGJuaBKe5YE/vTc23SCRKxWSdlon/w6I/Ew==
+  dependencies:
+    css-select "^4.1.2"
+    css-what "^5.0.0"
+    domelementtype "^2.2.0"
+    domhandler "^4.2.0"
+    domutils "^2.6.0"
+
+cheerio@^1.0.0-rc.2:
+  version "1.0.0-rc.9"
+  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.9.tgz#a3ae6b7ce7af80675302ff836f628e7cb786a67f"
+  integrity sha512-QF6XVdrLONO6DXRF5iaolY+odmhj2CLj+xzNod7INPWMi/x9X4SOylH0S/vaPpX+AUU6t04s34SQNh7DbkuCng==
+  dependencies:
+    cheerio-select "^1.4.0"
+    dom-serializer "^1.3.1"
+    domhandler "^4.2.0"
+    htmlparser2 "^6.1.0"
+    parse5 "^6.0.1"
+    parse5-htmlparser2-tree-adapter "^6.0.1"
+    tslib "^2.2.0"
+
 chokidar@^1.6.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
@@ -1240,6 +1694,17 @@ ci-info@^1.5.0:
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.6.0.tgz#2ca20dbb9ceb32d4524a683303313f0304b1e497"
   integrity sha512-vsGdkwSCDpWmP80ncATX7iea5DWQemg1UgCW5J8tqjU3lYw4FBYuj89J0CTVomA7BEfvSZd84GmHko+MxFQU2A==
 
+cids@^0.7.1:
+  version "0.7.5"
+  resolved "https://registry.yarnpkg.com/cids/-/cids-0.7.5.tgz#60a08138a99bfb69b6be4ceb63bfef7a396b28b2"
+  integrity sha512-zT7mPeghoWAu+ppn8+BS1tQ5qGmbMfB4AregnQjA/qHY3GC1m1ptI9GkWNlgeu38r7CuRdXB47uY2XgAYt6QVA==
+  dependencies:
+    buffer "^5.5.0"
+    class-is "^1.1.0"
+    multibase "~0.6.0"
+    multicodec "^1.0.0"
+    multihashes "~0.4.15"
+
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
@@ -1253,6 +1718,11 @@ circular-json@^0.3.1:
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
   integrity sha512-UZK3NBx2Mca+b5LsG7bY183pHWt5Y1xts4P3Pz7ENTwGVnJOUWbRb3ocjvX7hx9tq/yTAdclXm9sZ38gNuem4A==
 
+class-is@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/class-is/-/class-is-1.1.0.tgz#9d3c0fba0440d211d843cec3dedfa48055005825"
+  integrity sha512-rhjH9AG1fvabIDoGRVH587413LPjTZgmDF9fOFCbFJQV4yuocX1mHxxvXI4g3cGwbVY9wAYIoKlg1N79frJKQw==
+
 class-utils@^0.3.5:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
@@ -1473,6 +1943,15 @@ content-disposition@0.5.3:
   dependencies:
     safe-buffer "5.1.2"
 
+content-hash@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/content-hash/-/content-hash-2.5.2.tgz#bbc2655e7c21f14fd3bfc7b7d4bfe6e454c9e211"
+  integrity sha512-FvIQKy0S1JaWV10sMsA7TRx8bpU+pqPkhbsfvOJAdjRXvYxEckAwQWGwtRjiaJfh+E0DvcWUGqcdjwMGFjsSdw==
+  dependencies:
+    cids "^0.7.1"
+    multicodec "^0.5.5"
+    multihashes "^0.4.15"
+
 content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
@@ -1724,7 +2203,7 @@ create-ecdh@^4.0.0:
     bn.js "^4.1.0"
     elliptic "^6.0.0"
 
-create-hash@^1.1.0, create-hash@^1.1.2:
+create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
@@ -1735,7 +2214,7 @@ create-hash@^1.1.0, create-hash@^1.1.2:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
@@ -1789,6 +2268,22 @@ crypto-js@^3.1.9-1:
   resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"
   integrity sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=
 
+css-select@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/css-select/-/css-select-4.1.2.tgz#8b52b6714ed3a80d8221ec971c543f3b12653286"
+  integrity sha512-nu5ye2Hg/4ISq4XqdLY2bEatAcLIdt3OYGFc9Tm9n7VSlFBcfRv0gBNksHRgSdUDQGtN3XrZ94ztW+NfzkFSUw==
+  dependencies:
+    boolbase "^1.0.0"
+    css-what "^5.0.0"
+    domhandler "^4.2.0"
+    domutils "^2.6.0"
+    nth-check "^2.0.0"
+
+css-what@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-5.0.0.tgz#f0bf4f8bac07582722346ab243f6a35b512cfc47"
+  integrity sha512-qxyKHQvgKwzwDWC/rGbT821eJalfupxYW2qbSJSAtdSTimsr/MlaGONoNLllaUPZWf8QnbcKM/kPVYUQuEKAFA==
+
 cssesc@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-1.0.1.tgz#ef7bd8d0229ed6a3a7051ff7771265fe7330e0a8"
@@ -1877,6 +2372,13 @@ debug@^4.0.0, debug@^4.0.1, debug@^4.1.0:
   dependencies:
     ms "^2.1.1"
 
+debug@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
+  integrity sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==
+  dependencies:
+    ms "2.1.2"
+
 decamelize-keys@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/decamelize-keys/-/decamelize-keys-1.1.0.tgz#d171a87933252807eb3cb61dc1c1445d078df2d9"
@@ -2113,6 +2615,15 @@ dom-serializer@0:
     domelementtype "~1.1.1"
     entities "~1.1.1"
 
+dom-serializer@^1.0.1, dom-serializer@^1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-1.3.2.tgz#6206437d32ceefaec7161803230c7a20bc1b4d91"
+  integrity sha512-5c54Bk5Dw4qAxNOI1pFEizPSjVsx5+bpJKmL2kPn8JhBUq2q09tTCa3mjijun2NfK78NMouDYNMBkOrPZiS+ig==
+  dependencies:
+    domelementtype "^2.0.1"
+    domhandler "^4.2.0"
+    entities "^2.0.0"
+
 dom-walk@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
@@ -2128,6 +2639,11 @@ domelementtype@^1.3.0:
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.0.tgz#b17aed82e8ab59e52dd9c19b1756e0fc187204c2"
   integrity sha1-sXrtguirWeUt2cGbF1bg/BhyBMI=
 
+domelementtype@^2.0.1, domelementtype@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.2.0.tgz#9a0b6c2782ed6a1c7323d42267183df9bd8b1d57"
+  integrity sha512-DtBMo82pv1dFtUmHyr48beiuq792Sxohr+8Hm9zoxklYPfa6n0Z3Byjj2IV7bmr2IyqClnqEQhfgHJJ5QF0R5A==
+
 domelementtype@~1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
@@ -2140,6 +2656,13 @@ domhandler@^2.3.0:
   dependencies:
     domelementtype "1"
 
+domhandler@^4.0.0, domhandler@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-4.2.0.tgz#f9768a5f034be60a89a27c2e4d0f74eba0d8b059"
+  integrity sha512-zk7sgt970kzPks2Bf+dwT/PLzghLnsivb9CcxkvR8Mzr66Olr0Ofd8neSbglHJHaHa2MadfoSdNlKYAaafmWfA==
+  dependencies:
+    domelementtype "^2.2.0"
+
 domutils@^1.5.1:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.7.0.tgz#56ea341e834e06e6748af7a1cb25da67ea9f8c2a"
@@ -2148,6 +2671,15 @@ domutils@^1.5.1:
     dom-serializer "0"
     domelementtype "1"
 
+domutils@^2.5.2, domutils@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.6.0.tgz#2e15c04185d43fb16ae7057cb76433c6edb938b7"
+  integrity sha512-y0BezHuy4MDYxh6OvolXYsH+1EMGmFbwv5FKW7ovwMG6zTPWqNPq3WF9ayZssFq+UlKdffGLbOEaghNdaOm1WA==
+  dependencies:
+    dom-serializer "^1.0.1"
+    domelementtype "^2.2.0"
+    domhandler "^4.2.0"
+
 dot-prop@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-3.0.0.tgz#1b708af094a49c9a0e7dbcad790aba539dac1177"
@@ -2212,6 +2744,32 @@ elliptic@6.3.3:
     hash.js "^1.0.0"
     inherits "^2.0.1"
 
+elliptic@6.5.3:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
+elliptic@6.5.4, elliptic@^6.5.2:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 elliptic@^6.0.0, elliptic@^6.4.0:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.1.tgz#c380f5f909bf1b9b4428d028cd18d3b0efd6b52b"
@@ -2247,6 +2805,11 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
+entities@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
+  integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
+
 eol@^0.9.1:
   version "0.9.1"
   resolved "https://registry.yarnpkg.com/eol/-/eol-0.9.1.tgz#f701912f504074be35c6117a5c4ade49cd547acd"
@@ -2275,6 +2838,28 @@ es-abstract@^1.13.0:
     string.prototype.trimleft "^2.0.0"
     string.prototype.trimright "^2.0.0"
 
+es-abstract@^1.18.0-next.1, es-abstract@^1.18.0-next.2:
+  version "1.18.3"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.3.tgz#25c4c3380a27aa203c44b2b685bba94da31b63e0"
+  integrity sha512-nQIr12dxV7SSxE6r6f1l3DtAeEYdsGpps13dR0TwJg1S8gyp4ZPgy3FZcHBgbiQqnoqSTb+oC+kO4UQ0C/J8vw==
+  dependencies:
+    call-bind "^1.0.2"
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    get-intrinsic "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.2"
+    is-callable "^1.2.3"
+    is-negative-zero "^2.0.1"
+    is-regex "^1.1.3"
+    is-string "^1.0.6"
+    object-inspect "^1.10.3"
+    object-keys "^1.1.1"
+    object.assign "^4.1.2"
+    string.prototype.trimend "^1.0.4"
+    string.prototype.trimstart "^1.0.4"
+    unbox-primitive "^1.0.1"
+
 es-abstract@^1.4.3, es-abstract@^1.7.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.12.0.tgz#9dbbdd27c6856f0001421ca18782d786bf8a6165"
@@ -2304,6 +2889,15 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
 es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@^0.10.51:
   version "0.10.51"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.51.tgz#ed2d7d9d48a12df86e0299287e93a09ff478842f"
@@ -2607,7 +3201,7 @@ eth-contract-class@0.0.6:
   dependencies:
     web3-core-promievent "^1.0.0-beta.21"
 
-eth-ens-namehash@2.0.8:
+eth-ens-namehash@2.0.8, eth-ens-namehash@^2.0.0:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
   integrity sha1-IprEbsqG1S4MmR58sq74P/D2i88=
@@ -2624,6 +3218,15 @@ eth-lib@0.2.7:
     elliptic "^6.4.0"
     xhr-request-promise "^0.1.2"
 
+eth-lib@0.2.8:
+  version "0.2.8"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.8.tgz#b194058bef4b220ad12ea497431d6cb6aa0623c8"
+  integrity sha512-ArJ7x1WcWOlSpzdoTBX8vkwlkSQ85CjjifSZtV4co64vWxSV8geWfPI9x4SVYu3DSxnX4yWFVTtGL+j9DUFLNw==
+  dependencies:
+    bn.js "^4.11.6"
+    elliptic "^6.4.0"
+    xhr-request-promise "^0.1.2"
+
 eth-lib@^0.1.26:
   version "0.1.27"
   resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
@@ -2637,6 +3240,72 @@ eth-lib@^0.1.26:
     ws "^3.0.0"
     xhr-request-promise "^0.1.2"
 
+ethereum-bloom-filters@^1.0.6:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.9.tgz#4a59dead803af0c9e33834170bd7695df67061ec"
+  integrity sha512-GiK/RQkAkcVaEdxKVkPcG07PQ5vD7v2MFSHgZmBJSfMzNRHimntdBithsHAT89tAXnIpzVDWt8iaCD1DvkaxGg==
+  dependencies:
+    js-sha3 "^0.8.0"
+
+ethereum-cryptography@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
+  integrity sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==
+  dependencies:
+    "@types/pbkdf2" "^3.0.0"
+    "@types/secp256k1" "^4.0.1"
+    blakejs "^1.1.0"
+    browserify-aes "^1.2.0"
+    bs58check "^2.1.2"
+    create-hash "^1.2.0"
+    create-hmac "^1.1.7"
+    hash.js "^1.1.7"
+    keccak "^3.0.0"
+    pbkdf2 "^3.0.17"
+    randombytes "^2.1.0"
+    safe-buffer "^5.1.2"
+    scrypt-js "^3.0.0"
+    secp256k1 "^4.0.1"
+    setimmediate "^1.0.5"
+
+ethereum-ens@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/ethereum-ens/-/ethereum-ens-0.8.0.tgz#6d0f79acaa61fdbc87d2821779c4e550243d4c57"
+  integrity sha512-a8cBTF4AWw1Q1Y37V1LSCS9pRY4Mh3f8vCg5cbXCCEJ3eno1hbI/+Ccv9SZLISYpqQhaglP3Bxb/34lS4Qf7Bg==
+  dependencies:
+    bluebird "^3.4.7"
+    eth-ens-namehash "^2.0.0"
+    js-sha3 "^0.5.7"
+    pako "^1.0.4"
+    underscore "^1.8.3"
+    web3 "^1.0.0-beta.34"
+
+ethereumjs-common@^1.3.2, ethereumjs-common@^1.5.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.5.2.tgz#2065dbe9214e850f2e955a80e650cb6999066979"
+  integrity sha512-hTfZjwGX52GS2jcVO6E2sx4YuFnf0Fhp5ylo4pEPhEffNln7vS59Hr5sLnp3/QCazFLluuBZ+FZ6J5HTp0EqCA==
+
+ethereumjs-tx@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-2.1.2.tgz#5dfe7688bf177b45c9a23f86cf9104d47ea35fed"
+  integrity sha512-zZEK1onCeiORb0wyCXUvg94Ve5It/K6GD1K+26KfFKodiBiS6d9lfCXlUKGBBdQ+bv7Day+JK0tj1K+BeNFRAw==
+  dependencies:
+    ethereumjs-common "^1.5.0"
+    ethereumjs-util "^6.0.0"
+
+ethereumjs-util@^6.0.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz#fcb4e4dd5ceacb9d2305426ab1a5cd93e3163b69"
+  integrity sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==
+  dependencies:
+    "@types/bn.js" "^4.11.3"
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    elliptic "^6.5.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "0.1.6"
+    rlp "^2.2.3"
+
 ethers@4.0.0-beta.3:
   version "4.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.3.tgz#15bef14e57e94ecbeb7f9b39dd0a4bd435bc9066"
@@ -2669,6 +3338,21 @@ ethers@^4.0.0-beta.1, ethers@^4.0.32:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
+ethers@^4.0.45:
+  version "4.0.48"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.48.tgz#330c65b8133e112b0613156e57e92d9009d8fbbe"
+  integrity sha512-sZD5K8H28dOrcidzx9f8KYh8083n5BexIO3+SbE4jK83L85FxtpXZBCQdXb8gkg+7sBqomcLhhkU7UHL+F7I2g==
+  dependencies:
+    aes-js "3.0.0"
+    bn.js "^4.4.0"
+    elliptic "6.5.3"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.4"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
 ethjs-abi@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/ethjs-abi/-/ethjs-abi-0.2.1.tgz#e0a7a93a7e81163a94477bad56ede524ab6de533"
@@ -2686,6 +3370,14 @@ ethjs-unit@0.1.6:
     bn.js "4.11.6"
     number-to-bn "1.7.0"
 
+ethjs-util@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/ethjs-util/-/ethjs-util-0.1.6.tgz#f308b62f185f9fe6237132fb2a9818866a5cd536"
+  integrity sha512-CUnVOQq7gSpDHZVVrQW8ExxUETWrnrvXYvYz55wOU8Uj4VCgw56XC2B/fVqQN+f7gmrnRHSLVnFAwsCuNwji8w==
+  dependencies:
+    is-hex-prefixed "1.0.0"
+    strip-hex-prefix "1.0.0"
+
 event-stream@~3.3.0:
   version "3.3.5"
   resolved "https://registry.yarnpkg.com/event-stream/-/event-stream-3.3.5.tgz#e5dd8989543630d94c6cf4d657120341fa31636b"
@@ -2709,6 +3401,11 @@ eventemitter3@3.1.2:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
   integrity sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==
 
+eventemitter3@4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.4.tgz#b5463ace635a083d018bdc7c917b4c5f10a85384"
+  integrity sha512-rlaVLnVxtxvoyLsQQFBx53YmXHDxRIzzTLbdfxqi4yocpSjAxXwkU0cScM5JgSKMqEhrZpnvQ2D9gjylR0AimQ==
+
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
@@ -3092,6 +3789,11 @@ for-own@^0.1.4:
   dependencies:
     for-in "^1.0.1"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+  integrity sha1-C+4AUBiusmDQo6865ljdATbsG5k=
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -3246,6 +3948,15 @@ get-func-name@^2.0.0:
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
   integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
 
+get-intrinsic@^1.0.2, get-intrinsic@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  integrity sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 get-own-enumerable-property-symbols@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.0.tgz#b877b49a5c16aefac3655f2ed2ea5b684df8d203"
@@ -3594,6 +4305,11 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
+has-bigints@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-bigints/-/has-bigints-1.0.1.tgz#64fe6acb020673e3b78db035a5af69aa9d07b113"
+  integrity sha512-LSBS2LjbNBTf6287JEbEzvJgftkF5qFkmCo9hDRpAzKhUOlJ+hx8dd4USs00SgsUNwc4617J9ki5YtEClM2ffA==
+
 has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
@@ -3614,6 +4330,11 @@ has-symbols@^1.0.0:
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
   integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
 
+has-symbols@^1.0.1, has-symbols@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
+  integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
+
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz#a045ab383d7b4b2012a00148ab0aa5f290044d4d"
@@ -3680,7 +4401,7 @@ hash.js@1.1.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.0"
 
-hash.js@^1.0.0, hash.js@^1.0.3:
+hash.js@^1.0.0, hash.js@^1.0.3, hash.js@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
@@ -3693,7 +4414,22 @@ he@1.1.1:
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
   integrity sha1-k0EP0hsAlzUVH4howvJx80J+I/0=
 
-hmac-drbg@^1.0.0:
+he@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
+highlight.js@^10.4.0, highlight.js@^10.4.1:
+  version "10.7.2"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.7.2.tgz#89319b861edc66c48854ed1e6da21ea89f847360"
+  integrity sha512-oFLl873u4usRM9K63j4ME9u3etNF0PLiJhSQ8rdfuL51Wn3zkD6drf9ZW0dOzjnZI22YYG24z30JcmfCZjMgYg==
+
+highlightjs-solidity@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/highlightjs-solidity/-/highlightjs-solidity-1.1.0.tgz#bdf0adba6deffdb1651f8fa63bee4dacc3dc4e00"
+  integrity sha512-LtH7uuoe+FOmtQd41ozAZKLJC2chqdqs461FJcWAx00R3VcBhSQTRFfzRGtTQqu2wsVIEdHiyynrPrEDDWyIMw==
+
+hmac-drbg@^1.0.0, hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
@@ -3731,6 +4467,16 @@ htmlparser2@^3.9.2:
     inherits "^2.0.1"
     readable-stream "^3.0.6"
 
+htmlparser2@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-6.1.0.tgz#c4d762b6c3371a05dbe65e94ae43a9f845fb8fb7"
+  integrity sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==
+  dependencies:
+    domelementtype "^2.0.1"
+    domhandler "^4.0.0"
+    domutils "^2.5.2"
+    entities "^2.0.0"
+
 http-cache-semantics@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz#495704773277eeef6e43f9ab2c2c7d259dda25c5"
@@ -3802,6 +4548,11 @@ idna-uts46-hx@^2.3.1:
   dependencies:
     punycode "2.1.0"
 
+ieee754@^1.1.13:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -3887,7 +4638,7 @@ inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.3:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
-inherits@2.0.4:
+inherits@2.0.4, inherits@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -3981,11 +4732,23 @@ is-alphanumerical@^1.0.0:
     is-alphabetical "^1.0.0"
     is-decimal "^1.0.0"
 
+is-arguments@^1.0.4:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.0.tgz#62353031dfbee07ceb34656a6bde59efecae8dd9"
+  integrity sha512-1Ij4lOMPl/xB5kBDn7I+b2ttPMKa8szhEIrXDuXQD/oe3HJLTLhqhgGspwgyGd6MOywBUqVvYicF72lkgDnIHg==
+  dependencies:
+    call-bind "^1.0.0"
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
   integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
 
+is-bigint@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-bigint/-/is-bigint-1.0.2.tgz#ffb381442503235ad245ea89e45b3dbff040ee5a"
+  integrity sha512-0JV5+SOCQkIdzjBK9buARcV804Ddu7A0Qet6sHi3FimE9ne6m4BGQZfRn+NZiXbBk4F4XmHfDZIipLj9pX8dSA==
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -3993,6 +4756,13 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
+is-boolean-object@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.1.tgz#3c0878f035cb821228d350d2e1e36719716a3de8"
+  integrity sha512-bXdQWkECBUIAcCkeH1unwJLIpZYaa5VvuygSyS/c2lf719mTKZDU5UdDRlpd01UjADgmW8RfqaP+mRaVPdr/Ng==
+  dependencies:
+    call-bind "^1.0.2"
+
 is-buffer@^1.1.4, is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
@@ -4010,6 +4780,11 @@ is-callable@^1.1.1, is-callable@^1.1.3, is-callable@^1.1.4:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
   integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
 
+is-callable@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.3.tgz#8b1e0500b73a1d76c70487636f368e519de8db8e"
+  integrity sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==
+
 is-ci@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.1.tgz#e3779c8ee17fccf428488f6e281187f2e632841c"
@@ -4122,6 +4897,11 @@ is-function@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
   integrity sha1-Es+5i2W1fdPRk6MSH19uL0N2ArU=
 
+is-generator-function@^1.0.7:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.9.tgz#e5f82c2323673e7fcad3d12858c83c4039f6399c"
+  integrity sha512-ZJ34p1uvIfptHCN7sFTjGibB9/oBg17sHqzDLfuwhvmN/qLVvIQXRQ8licZQ35WJ8KuEQt/etnnzQFI9C9Ue/A==
+
 is-glob@^2.0.0, is-glob@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
@@ -4158,6 +4938,16 @@ is-natural-number@^4.0.1:
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
   integrity sha1-q5124dtM7VHjXeDHLr7PCfc0zeg=
 
+is-negative-zero@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.1.tgz#3de746c18dda2319241a53675908d8f766f11c24"
+  integrity sha512-2z6JzQvZRa9A2Y7xC6dQQm4FSTSTNWjKIYYTt4246eMTJmIo0Q+ZyOsU66X8lxK1AbB92dFeglPLrhwpeRKO6w==
+
+is-number-object@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/is-number-object/-/is-number-object-1.0.5.tgz#6edfaeed7950cff19afedce9fbfca9ee6dd289eb"
+  integrity sha512-RU0lI/n95pMoUKu9v1BZP5MBcZuNSVJkMkAG2dJqC4z2GlkGUNeH68SuHuBKBD/XFe+LHZ+f9BKkLET60Niedw==
+
 is-number@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
@@ -4247,6 +5037,14 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-regex@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.3.tgz#d029f9aff6448b93ebbe3f33dac71511fdcbef9f"
+  integrity sha512-qSVXFz28HM7y+IWX6vLCsexdlvzT1PJNFSBuaQLQ5o0IEw8UDYW6/2+eCMVyIsbM8CNLX2a/QWmSpyxYEHY7CQ==
+  dependencies:
+    call-bind "^1.0.2"
+    has-symbols "^1.0.2"
+
 is-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
@@ -4267,6 +5065,11 @@ is-stream@^1.0.0, is-stream@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
 
+is-string@^1.0.5, is-string@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.6.tgz#3fe5d5992fb0d93404f32584d4b0179a71b54a5f"
+  integrity sha512-2gdzbKUuqtQ3lYNrUTQYoClPhm7oQu4UdpSZMp1/DGgkHBT8E2Z1l0yMdb6D4zNAxwDiMv8MdulKROJGNl0Q0w==
+
 is-subset@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-subset/-/is-subset-0.1.1.tgz#8a59117d932de1de00f245fcdd39ce43f1e939a6"
@@ -4284,6 +5087,13 @@ is-symbol@^1.0.1, is-symbol@^1.0.2:
   dependencies:
     has-symbols "^1.0.0"
 
+is-symbol@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.4.tgz#a6dac93b635b063ca6872236de88910a57af139c"
+  integrity sha512-C/CPBqKWnvdcxqIARxyOh4v1UUEOCHpgDa0WYgpKDFMszcrPcffg5uhwSgPCLD2WWxmq6isisz87tzT01tuGhg==
+  dependencies:
+    has-symbols "^1.0.2"
+
 is-text-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-text-path/-/is-text-path-1.0.1.tgz#4e1aa0fb51bfbcb3e92688001397202c1775b66e"
@@ -4291,6 +5101,17 @@ is-text-path@^1.0.0:
   dependencies:
     text-extensions "^1.0.0"
 
+is-typed-array@^1.1.3:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/is-typed-array/-/is-typed-array-1.1.5.tgz#f32e6e096455e329eb7b423862456aa213f0eb4e"
+  integrity sha512-S+GRDgJlR3PyEbsX/Fobd9cqpZBuvUS+8asRqYDMLCb2qMzt1oz5m5oxQCxOgUDxiWsOVNi4yaF+/uvdlHlYug==
+  dependencies:
+    available-typed-arrays "^1.0.2"
+    call-bind "^1.0.2"
+    es-abstract "^1.18.0-next.2"
+    foreach "^2.0.5"
+    has-symbols "^1.0.1"
+
 is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -4386,6 +5207,11 @@ js-sha3@^0.6.1:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
   integrity sha1-W4n3enR3Z5h39YxKB1JAk0sflcA=
 
+js-sha3@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 js-string-escape@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/js-string-escape/-/js-string-escape-1.0.1.tgz#e2625badbc0d67c7533e9edc1068c587ae4137ef"
@@ -4497,6 +5323,14 @@ jsx-ast-utils@^2.0.1:
   dependencies:
     array-includes "^3.0.3"
 
+keccak@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-3.0.1.tgz#ae30a0e94dbe43414f741375cff6d64c8bea0bff"
+  integrity sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==
+  dependencies:
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 keccakjs@^0.2.1:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.3.tgz#5e4e969ce39689a3861f445d7752ee3477f9fe72"
@@ -4710,6 +5544,16 @@ lodash.camelcase@4.3.0, lodash.camelcase@^4.1.1:
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
   integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
 
+lodash.clonedeep@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
+  integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
+
+lodash.escaperegexp@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
+  integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
+
 lodash.get@^4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
@@ -4730,6 +5574,11 @@ lodash.merge@4.6.1:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
   integrity sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ==
 
+lodash.merge@^4.6.2:
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
+  integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
+
 lodash.mergewith@4.6.1:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
@@ -4740,6 +5589,11 @@ lodash.omit@4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.omit/-/lodash.omit-4.5.0.tgz#6eb19ae5a1ee1dd9df0b969e66ce0b7fa30b5e60"
   integrity sha1-brGa5aHuHdnfC5aeZs4Lf6MLXmA=
 
+lodash.partition@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.partition/-/lodash.partition-4.6.0.tgz#a38e46b73469e0420b0da1212e66d414be364ba4"
+  integrity sha1-o45GtzRp4EILDaEhLmbUFL42S6Q=
+
 lodash.pick@4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
@@ -4755,6 +5609,11 @@ lodash.startcase@4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.startcase/-/lodash.startcase-4.4.0.tgz#9436e34ed26093ed7ffae1936144350915d9add8"
   integrity sha1-lDbjTtJgk+1/+uGTYUQ1CRXZrdg=
 
+lodash.sum@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/lodash.sum/-/lodash.sum-4.0.2.tgz#ad90e397965d803d4f1ff7aa5b2d0197f3b4637b"
+  integrity sha1-rZDjl5ZdgD1PH/eqWy0Bl/O0Y3s=
+
 lodash.template@^4.0.2:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.4.0.tgz#e73a0385c8355591746e020b99679c690e68fba0"
@@ -4879,6 +5738,13 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
@@ -5143,6 +6009,11 @@ min-document@^2.19.0:
   dependencies:
     dom-walk "^0.1.0"
 
+min-indent@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/min-indent/-/min-indent-1.0.1.tgz#a63f681673b30571fbe8bc25686ae746eefa9869"
+  integrity sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==
+
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
@@ -5283,6 +6154,51 @@ ms@2.1.1, ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+multibase@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.7.0.tgz#1adfc1c50abe05eefeb5091ac0c2728d6b84581b"
+  integrity sha512-TW8q03O0f6PNFTQDvh3xxH03c8CjGaaYrjkl9UQPG6rz53TQzzxJVCIWVjzcbN/Q5Y53Zd0IBQBMVktVgNx4Fg==
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multibase@~0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.6.1.tgz#b76df6298536cc17b9f6a6db53ec88f85f8cc12b"
+  integrity sha512-pFfAwyTjbbQgNc3G7D48JkJxWtoJoBMaR4xQUOuB8RnCgRqaYmWNFeJTTvrJ2w51bjLq2zTby6Rqj9TQ9elSUw==
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multicodec@^0.5.5:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-0.5.7.tgz#1fb3f9dd866a10a55d226e194abba2dcc1ee9ffd"
+  integrity sha512-PscoRxm3f+88fAtELwUnZxGDkduE2HD9Q6GHUOywQLjOGT/HAdhjLDYNZ1e7VR0s0TP0EwZ16LNUTFpoBGivOA==
+  dependencies:
+    varint "^5.0.0"
+
+multicodec@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-1.0.4.tgz#46ac064657c40380c28367c90304d8ed175a714f"
+  integrity sha512-NDd7FeS3QamVtbgfvu5h7fd1IlbaC4EQ0/pgU4zqE2vdHCmBGsUa0TiM8/TdSeG6BMPC92OOCf8F1ocE/Wkrrg==
+  dependencies:
+    buffer "^5.6.0"
+    varint "^5.0.0"
+
+multihashes@^0.4.15, multihashes@~0.4.15:
+  version "0.4.21"
+  resolved "https://registry.yarnpkg.com/multihashes/-/multihashes-0.4.21.tgz#dc02d525579f334a7909ade8a122dabb58ccfcb5"
+  integrity sha512-uVSvmeCWf36pU2nB4/1kzYZjsXD9vofZKpgudqkceYY5g2aZZXJ5r9lxuzoRLl1OAp28XljXsEJ/X/85ZsKmKw==
+  dependencies:
+    buffer "^5.5.0"
+    multibase "^0.7.0"
+    varint "^5.0.0"
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
@@ -5359,6 +6275,16 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
+node-addon-api@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.2.tgz#432cfa82962ce494b132e9d72a15b29f71ff5d32"
+  integrity sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==
+
+node-gyp-build@^4.2.0:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.2.3.tgz#ce6277f853835f718829efb47db20f3e4d9c4739"
+  integrity sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg==
+
 node-localstorage@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/node-localstorage/-/node-localstorage-0.6.0.tgz#45a0601c6932dfde6644a23361f1be173c75d3af"
@@ -5387,6 +6313,11 @@ node-releases@^1.0.1:
   dependencies:
     semver "^5.3.0"
 
+nofilter@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/nofilter/-/nofilter-1.0.4.tgz#78d6f4b6a613e7ced8b015cec534625f7667006e"
+  integrity sha512-N8lidFp+fCz+TD51+haYdbDGrcBWwuHX40F5+z0qkUjMJ5Tp+rdSuAkMJ9N9eoolDlEVTf6u5icM+cNKkKW2mA==
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -5488,6 +6419,13 @@ npmlog@^4.0.2:
     gauge "~2.7.3"
     set-blocking "~2.0.0"
 
+nth-check@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.0.0.tgz#1bb4f6dac70072fc313e8c9cd1417b5074c0a125"
+  integrity sha512-i4sc/Kj8htBrAiH1viZ0TgU8Y5XqCaV/FziYK6TBczxmeKm3AEFWqqF3195yKudrarqy7Zu80Ra5dobFjn9X/Q==
+  dependencies:
+    boolbase "^1.0.0"
+
 null-check@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/null-check/-/null-check-1.0.0.tgz#977dffd7176012b9ec30d2a39db5cf72a0439edd"
@@ -5530,6 +6468,11 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-inspect@^1.10.3:
+  version "1.10.3"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.10.3.tgz#c2aa7d2d09f50c99375704f7a0adf24c5782d369"
+  integrity sha512-e5mCJlSH7poANfC8z8S9s9S2IN5/4Zb3aZ33f5s8YqoazCFzNLloLU8r5VCG+G7WoqLvAAZoVMcy3tp/3X0Plw==
+
 object-inspect@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
@@ -5552,6 +6495,16 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
+object.assign@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  integrity sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -5574,6 +6527,13 @@ oboe@2.1.4:
   dependencies:
     http-https "^1.0.0"
 
+oboe@2.1.5:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.5.tgz#5554284c543a2266d7a38f17e073821fbde393cd"
+  integrity sha1-VVQoTFQ6ImbXo48X4HOCH73jk80=
+  dependencies:
+    http-https "^1.0.0"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -5741,6 +6701,11 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
   integrity sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ==
 
+pako@^1.0.4:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.11.tgz#6c9599d340d54dfd3946380252a35705a6b992bf"
+  integrity sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==
+
 parse-asn1@^5.0.0:
   version "5.1.4"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.4.tgz#37f6628f823fbdeb2273b4d540434a22f3ef1fcc"
@@ -5808,6 +6773,18 @@ parse-passwd@^1.0.0:
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
   integrity sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=
 
+parse5-htmlparser2-tree-adapter@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-6.0.1.tgz#2cdf9ad823321140370d4dbf5d3e92c7c8ddc6e6"
+  integrity sha512-qPuWvbLgvDGilKc5BoicRovlT4MtYT6JfJyBOMDsKoiT+GiuP5qyrPCnR9HcPECIJJmZh5jRndyNThnhhb/vlA==
+  dependencies:
+    parse5 "^6.0.1"
+
+parse5@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-6.0.1.tgz#e1a1c085c569b3dc08321184f19a39cc27f7c30b"
+  integrity sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw==
+
 parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
@@ -5895,6 +6872,17 @@ pause-stream@^0.0.11:
   dependencies:
     through "~2.3"
 
+pbkdf2@^3.0.17:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
+  integrity sha512-iuh7L6jA7JEGu2WxDwtQP1ddOpaJNC4KlDEFfdQajSGgGPNi4OyDc2R7QnbY2bR9QjBVGwgvTdNJZoE7RaxUMA==
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 pbkdf2@^3.0.3:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -6281,7 +7269,7 @@ randomatic@^3.0.0:
     kind-of "^6.0.0"
     math-random "^1.0.1"
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
   integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
@@ -6708,6 +7696,13 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+rlp@^2.2.3:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.6.tgz#c80ba6266ac7a483ef1e69e8e2f056656de2fb2c"
+  integrity sha512-HAfAmL6SDYNWPUOJNrM500x4Thn4PZsEy5pijPh40U9WfNk0z15hUYzO9xVIMAdIHdFtD8CBDHd75Td1g36Mjg==
+  dependencies:
+    bn.js "^4.11.1"
+
 run-async@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
@@ -6776,11 +7771,25 @@ scrypt-js@2.0.4:
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
   integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==
 
+scrypt-js@^3.0.0, scrypt-js@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
+  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
+
 scryptsy@2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-2.1.0.tgz#8d1e8d0c025b58fdd25b6fa9a0dc905ee8faa790"
   integrity sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==
 
+secp256k1@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.2.tgz#15dd57d0f0b9fdb54ac1fa1694f40e5e9a54f4a1"
+  integrity sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==
+  dependencies:
+    elliptic "^6.5.2"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 seek-bzip@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
@@ -6813,6 +7822,13 @@ semver@^5.6.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
+semver@^7.3.4:
+  version "7.3.5"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
+  integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==
+  dependencies:
+    lru-cache "^6.0.0"
+
 send@0.17.1:
   version "0.17.1"
   resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
@@ -7267,6 +8283,14 @@ string.prototype.trim@^1.1.2:
     es-abstract "^1.13.0"
     function-bind "^1.1.1"
 
+string.prototype.trimend@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz#e75ae90c2942c63504686c18b287b4a0b1a45f80"
+  integrity sha512-y9xCjw1P23Awk8EvTpcyL2NIr1j7wJ39f+k6lvRnSMz+mz9CGz9NYPelDk42kOz6+ql8xjfK8oYzy3jAP5QU5A==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 string.prototype.trimleft@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz#6cc47f0d7eb8d62b0f3701611715a3954591d634"
@@ -7283,6 +8307,14 @@ string.prototype.trimright@^2.0.0:
     define-properties "^1.1.3"
     function-bind "^1.1.1"
 
+string.prototype.trimstart@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz#b36399af4ab2999b4c9c648bd7a3fb2bb26feeed"
+  integrity sha512-jh6e984OBfvxS50tdY2nRZnoC5/mLFKOREQfw8t5yytkoUsJRNxvI/E39qu1sD0OtWI3OC0XgKSmcWwziwYuZw==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 string_decoder@^1.1.1, string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -7479,6 +8511,11 @@ sugarss@^2.0.0:
   dependencies:
     postcss "^7.0.2"
 
+super-split@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/super-split/-/super-split-1.1.0.tgz#43b3ba719155f4d43891a32729d59b213d9155fc"
+  integrity sha512-I4bA5mgcb6Fw5UJ+EkpzqXfiuvVGS/7MuND+oBxNFmxu3ugLNrdIatzBLfhFRMVMLxgSsRy+TjIktgkF9RFSNQ==
+
 supports-color@4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
@@ -7521,6 +8558,23 @@ swarm-js@0.1.39:
     tar "^4.0.2"
     xhr-request-promise "^0.1.2"
 
+swarm-js@^0.1.40:
+  version "0.1.40"
+  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.40.tgz#b1bc7b6dcc76061f6c772203e004c11997e06b99"
+  integrity sha512-yqiOCEoA4/IShXkY3WKwP5PvZhmoOOD8clsKA7EEcRILMkTEYHCQ21HDCAcVpmIxZq4LyZvWeRJ6quIyHk1caA==
+  dependencies:
+    bluebird "^3.5.0"
+    buffer "^5.0.5"
+    eth-lib "^0.1.26"
+    fs-extra "^4.0.2"
+    got "^7.1.0"
+    mime-types "^2.1.16"
+    mkdirp-promise "^5.0.1"
+    mock-fs "^4.1.0"
+    setimmediate "^1.0.5"
+    tar "^4.0.2"
+    xhr-request "^1.0.1"
+
 symbol-observable@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
@@ -7755,6 +8809,11 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
+tslib@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
+  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -7817,6 +8876,16 @@ ultron@~1.1.0:
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
   integrity sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==
 
+unbox-primitive@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/unbox-primitive/-/unbox-primitive-1.0.1.tgz#085e215625ec3162574dc8859abee78a59b14471"
+  integrity sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==
+  dependencies:
+    function-bind "^1.1.1"
+    has-bigints "^1.0.1"
+    has-symbols "^1.0.2"
+    which-boxed-primitive "^1.0.2"
+
 unbzip2-stream@^1.0.9:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.3.3.tgz#d156d205e670d8d8c393e1c02ebd506422873f6a"
@@ -7825,11 +8894,21 @@ unbzip2-stream@^1.0.9:
     buffer "^5.2.1"
     through "^2.3.8"
 
+underscore@1.12.1:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
+
 underscore@1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
   integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
 
+underscore@^1.8.3:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.1.tgz#0c1c6bd2df54b6b69f2314066d65b6cde6fcf9d1"
+  integrity sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g==
+
 unherit@^1.0.4:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/unherit/-/unherit-1.1.1.tgz#132748da3e88eab767e08fabfbb89c5e9d28628c"
@@ -7962,7 +9041,14 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
-utf8@3.0.0:
+utf-8-validate@^5.0.2:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/utf-8-validate/-/utf-8-validate-5.0.5.tgz#dd32c2e82c72002dc9f02eb67ba6761f43456ca1"
+  integrity sha512-+pnxRYsS/axEpkrrEpzYfNZGXp0IjC/9RIxwM5gntY4Koi8SHmUGSfxfWqxZdRxrtaoVstuOzUp/rbs3JSPELQ==
+  dependencies:
+    node-gyp-build "^4.2.0"
+
+utf8@3.0.0, utf8@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
   integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
@@ -7972,6 +9058,18 @@ util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
 
+util@^0.12.0:
+  version "0.12.4"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.12.4.tgz#66121a31420df8f01ca0c464be15dfa1d1850253"
+  integrity sha512-bxZ9qtSlGUWSOy9Qa9Xgk11kSslpuZwaxCg4sNIDj6FLucDab2JxnHwyNTCpHMtK1MjoQiWQ6DiUMZYbSrO+Sw==
+  dependencies:
+    inherits "^2.0.3"
+    is-arguments "^1.0.4"
+    is-generator-function "^1.0.7"
+    is-typed-array "^1.1.3"
+    safe-buffer "^5.1.2"
+    which-typed-array "^1.1.2"
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -7995,6 +9093,11 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+varint@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/varint/-/varint-5.0.2.tgz#5b47f8a947eb668b848e034dcfa87d0ff8a7f7a4"
+  integrity sha512-lKxKYG6H03yCZUpAGOPOsMcGxd1RHCu1iKvEHYDPmTyq2HueGhD73ssNBqqQWfvYs04G9iUFRvmAVLW20Jw6ow==
+
 vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -8056,6 +9159,16 @@ web3-bzz@1.2.1:
     swarm-js "0.1.39"
     underscore "1.9.1"
 
+web3-bzz@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.3.6.tgz#95f370aecc3ff6ad07f057e6c0c916ef09b04dde"
+  integrity sha512-ibHdx1wkseujFejrtY7ZyC0QxQ4ATXjzcNUpaLrvM6AEae8prUiyT/OloG9FWDgFD2CPLwzKwfSQezYQlANNlw==
+  dependencies:
+    "@types/node" "^12.12.6"
+    got "9.6.0"
+    swarm-js "^0.1.40"
+    underscore "1.12.1"
+
 web3-core-helpers@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz#f5f32d71c60a4a3bd14786118e633ce7ca6d5d0d"
@@ -8065,6 +9178,15 @@ web3-core-helpers@1.2.1:
     web3-eth-iban "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-helpers@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.3.6.tgz#c478246a9abe4e5456acf42657dac2f7c330be74"
+  integrity sha512-nhtjA2ZbkppjlxTSwG0Ttu6FcPkVu1rCN5IFAOVpF/L0SEt+jy+O5l90+cjDq0jAYvlBwUwnbh2mR9hwDEJCNA==
+  dependencies:
+    underscore "1.12.1"
+    web3-eth-iban "1.3.6"
+    web3-utils "1.3.6"
+
 web3-core-method@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.1.tgz#9df1bafa2cd8be9d9937e01c6a47fc768d15d90a"
@@ -8076,6 +9198,18 @@ web3-core-method@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-method@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.3.6.tgz#4b0334edd94b03dfec729d113c69a4eb6ebc68ae"
+  integrity sha512-RyegqVGxn0cyYW5yzAwkPlsSEynkdPiegd7RxgB4ak1eKk2Cv1q2x4C7D2sZjeeCEF+q6fOkVmo2OZNqS2iQxg==
+  dependencies:
+    "@ethersproject/transactions" "^5.0.0-beta.135"
+    underscore "1.12.1"
+    web3-core-helpers "1.3.6"
+    web3-core-promievent "1.3.6"
+    web3-core-subscriptions "1.3.6"
+    web3-utils "1.3.6"
+
 web3-core-promievent@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz#003e8a3eb82fb27b6164a6d5b9cad04acf733838"
@@ -8084,6 +9218,13 @@ web3-core-promievent@1.2.1:
     any-promise "1.3.0"
     eventemitter3 "3.1.2"
 
+web3-core-promievent@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.3.6.tgz#6c27dc79de8f71b74f5d17acaf9aaf593d3cb0c9"
+  integrity sha512-Z+QzfyYDTXD5wJmZO5wwnRO8bAAHEItT1XNSPVb4J1CToV/I/SbF7CuF8Uzh2jns0Cm1109o666H7StFFvzVKw==
+  dependencies:
+    eventemitter3 "4.0.4"
+
 web3-core-promievent@^1.0.0-beta.21:
   version "1.0.0-beta.34"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.34.tgz#a4f4fa6784bb293e82c60960ae5b56a94cd03edc"
@@ -8103,6 +9244,18 @@ web3-core-requestmanager@1.2.1:
     web3-providers-ipc "1.2.1"
     web3-providers-ws "1.2.1"
 
+web3-core-requestmanager@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.3.6.tgz#4fea269fe913fd4fca464b4f7c65cb94857b5b2a"
+  integrity sha512-2rIaeuqeo7QN1Eex7aXP0ZqeteJEPWXYFS/M3r3LXMiV8R4STQBKE+//dnHJXoo2ctzEB5cgd+7NaJM8S3gPyA==
+  dependencies:
+    underscore "1.12.1"
+    util "^0.12.0"
+    web3-core-helpers "1.3.6"
+    web3-providers-http "1.3.6"
+    web3-providers-ipc "1.3.6"
+    web3-providers-ws "1.3.6"
+
 web3-core-subscriptions@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz#8c2368a839d4eec1c01a4b5650bbeb82d0e4a099"
@@ -8112,6 +9265,15 @@ web3-core-subscriptions@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-core-subscriptions@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.3.6.tgz#ee24e7974d1d72ff6c992c599deba4ef9b308415"
+  integrity sha512-wi9Z9X5X75OKvxAg42GGIf81ttbNR2TxzkAsp1g+nnp5K8mBwgZvXrIsDuj7Z7gx72Y45mWJADCWjk/2vqNu8g==
+  dependencies:
+    eventemitter3 "4.0.4"
+    underscore "1.12.1"
+    web3-core-helpers "1.3.6"
+
 web3-core@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.1.tgz#7278b58fb6495065e73a77efbbce781a7fddf1a9"
@@ -8122,6 +9284,19 @@ web3-core@1.2.1:
     web3-core-requestmanager "1.2.1"
     web3-utils "1.2.1"
 
+web3-core@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.3.6.tgz#a6a761d1ff2f3ee462b8dab679229d2f8e267504"
+  integrity sha512-gkLDM4T1Sc0T+HZIwxrNrwPg0IfWI0oABSglP2X5ZbBAYVUeEATA0o92LWV8BeF+okvKXLK1Fek/p6axwM/h3Q==
+  dependencies:
+    "@types/bn.js" "^4.11.5"
+    "@types/node" "^12.12.6"
+    bignumber.js "^9.0.0"
+    web3-core-helpers "1.3.6"
+    web3-core-method "1.3.6"
+    web3-core-requestmanager "1.3.6"
+    web3-utils "1.3.6"
+
 web3-eth-abi@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz#9b915b1c9ebf82f70cca631147035d5419064689"
@@ -8131,6 +9306,15 @@ web3-eth-abi@1.2.1:
     underscore "1.9.1"
     web3-utils "1.2.1"
 
+web3-eth-abi@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.3.6.tgz#4272ca48d817aa651bbf97b269f5ff10abc2b8a9"
+  integrity sha512-Or5cRnZu6WzgScpmbkvC6bfNxR26hqiKK4i8sMPFeTUABQcb/FU3pBj7huBLYbp9dH+P5W79D2MqwbWwjj9DoQ==
+  dependencies:
+    "@ethersproject/abi" "5.0.7"
+    underscore "1.12.1"
+    web3-utils "1.3.6"
+
 web3-eth-accounts@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz#2741a8ef337a7219d57959ac8bd118b9d68d63cf"
@@ -8148,6 +9332,23 @@ web3-eth-accounts@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-accounts@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.3.6.tgz#f9fcb50b28ee58090ab292a10d996155caa2b474"
+  integrity sha512-Ilr0hG6ONbCdSlVKffasCmNwftD5HsNpwyQASevocIQwHdTlvlwO0tb3oGYuajbKOaDzNTwXfz25bttAEoFCGA==
+  dependencies:
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.8"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
+    scrypt-js "^3.0.1"
+    underscore "1.12.1"
+    uuid "3.3.2"
+    web3-core "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-method "1.3.6"
+    web3-utils "1.3.6"
+
 web3-eth-contract@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz#3542424f3d341386fd9ff65e78060b85ac0ea8c4"
@@ -8162,6 +9363,21 @@ web3-eth-contract@1.2.1:
     web3-eth-abi "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-contract@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.3.6.tgz#cccf4d32dc56917fb6923e778498a9ba2a5ba866"
+  integrity sha512-8gDaRrLF2HCg+YEZN1ov0zN35vmtPnGf3h1DxmJQK5Wm2lRMLomz9rsWsuvig3UJMHqZAQKD7tOl3ocJocQsmA==
+  dependencies:
+    "@types/bn.js" "^4.11.5"
+    underscore "1.12.1"
+    web3-core "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-method "1.3.6"
+    web3-core-promievent "1.3.6"
+    web3-core-subscriptions "1.3.6"
+    web3-eth-abi "1.3.6"
+    web3-utils "1.3.6"
+
 web3-eth-ens@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz#a0e52eee68c42a8b9865ceb04e5fb022c2d971d5"
@@ -8176,6 +9392,21 @@ web3-eth-ens@1.2.1:
     web3-eth-contract "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-ens@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.3.6.tgz#0d28c5d4ea7b4462ef6c077545a77956a6cdf175"
+  integrity sha512-n27HNj7lpSkRxTgSx+Zo7cmKAgyg2ElFilaFlUu/X2CNH23lXfcPm2bWssivH9z0ndhg0OyR4AYFZqPaqDHkJA==
+  dependencies:
+    content-hash "^2.5.2"
+    eth-ens-namehash "2.0.8"
+    underscore "1.12.1"
+    web3-core "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-promievent "1.3.6"
+    web3-eth-abi "1.3.6"
+    web3-eth-contract "1.3.6"
+    web3-utils "1.3.6"
+
 web3-eth-iban@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz#2c3801718946bea24e9296993a975c80b5acf880"
@@ -8184,6 +9415,14 @@ web3-eth-iban@1.2.1:
     bn.js "4.11.8"
     web3-utils "1.2.1"
 
+web3-eth-iban@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.3.6.tgz#0d6ba21fe78f190af8919e9cd5453882457209e0"
+  integrity sha512-nfMQaaLA/zsg5W4Oy/EJQbs8rSs1vBAX6b/35xzjYoutXlpHMQadujDx2RerTKhSHqFXSJeQAfE+2f6mdhYkRQ==
+  dependencies:
+    bn.js "^4.11.9"
+    web3-utils "1.3.6"
+
 web3-eth-personal@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz#244e9911b7b482dc17c02f23a061a627c6e47faf"
@@ -8195,6 +9434,18 @@ web3-eth-personal@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-personal@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.3.6.tgz#226137916754c498f0284f22c55924c87a2efcf0"
+  integrity sha512-pOHU0+/h1RFRYoh1ehYBehRbcKWP4OSzd4F7mDljhHngv6W8ewMHrAN8O1ol9uysN2MuCdRE19qkRg5eNgvzFQ==
+  dependencies:
+    "@types/node" "^12.12.6"
+    web3-core "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-method "1.3.6"
+    web3-net "1.3.6"
+    web3-utils "1.3.6"
+
 web3-eth@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.1.tgz#b9989e2557c73a9e8ffdc107c6dafbe72c79c1b0"
@@ -8214,6 +9465,25 @@ web3-eth@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.3.6.tgz#2c650893d540a7a0eb1365dd5b2dca24ac919b7c"
+  integrity sha512-9+rnywRRpyX3C4hfsAQXPQh6vHh9XzQkgLxo3gyeXfbhbShUoq2gFVuy42vsRs//6JlsKdyZS7Z3hHPHz2wreA==
+  dependencies:
+    underscore "1.12.1"
+    web3-core "1.3.6"
+    web3-core-helpers "1.3.6"
+    web3-core-method "1.3.6"
+    web3-core-subscriptions "1.3.6"
+    web3-eth-abi "1.3.6"
+    web3-eth-accounts "1.3.6"
+    web3-eth-contract "1.3.6"
+    web3-eth-ens "1.3.6"
+    web3-eth-iban "1.3.6"
+    web3-eth-personal "1.3.6"
+    web3-net "1.3.6"
+    web3-utils "1.3.6"
+
 web3-net@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.1.tgz#edd249503315dd5ab4fa00220f6509d95bb7ab10"
@@ -8223,6 +9493,15 @@ web3-net@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-net@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.3.6.tgz#a56492e2227475e38db29394f8bac305a2446e41"
+  integrity sha512-KhzU3wMQY/YYjyMiQzbaLPt2kut88Ncx2iqjy3nw28vRux3gVX0WOCk9EL/KVJBiAA/fK7VklTXvgy9dZnnipw==
+  dependencies:
+    web3-core "1.3.6"
+    web3-core-method "1.3.6"
+    web3-utils "1.3.6"
+
 web3-providers-http@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.1.tgz#c93ea003a42e7b894556f7e19dd3540f947f5013"
@@ -8231,6 +9510,14 @@ web3-providers-http@1.2.1:
     web3-core-helpers "1.2.1"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.3.6.tgz#36e8724a7424d52827819d53fd75dbf31f5422c2"
+  integrity sha512-OQkT32O1A06dISIdazpGLveZcOXhEo5cEX6QyiSQkiPk/cjzDrXMw4SKZOGQbbS1+0Vjizm1Hrp7O8Vp2D1M5Q==
+  dependencies:
+    web3-core-helpers "1.3.6"
+    xhr2-cookies "1.1.0"
+
 web3-providers-ipc@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz#017bfc687a8fc5398df2241eb98f135e3edd672c"
@@ -8240,6 +9527,15 @@ web3-providers-ipc@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-providers-ipc@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.3.6.tgz#cef8d12c1ebb47adce5ebf597f553c623362cb4a"
+  integrity sha512-+TVsSd2sSVvVgHG4s6FXwwYPPT91boKKcRuEFXqEfAbUC5t52XOgmyc2LNiD9LzPhed65FbV4LqICpeYGUvSwA==
+  dependencies:
+    oboe "2.1.5"
+    underscore "1.12.1"
+    web3-core-helpers "1.3.6"
+
 web3-providers-ws@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz#2d941eaf3d5a8caa3214eff8dc16d96252b842cb"
@@ -8249,6 +9545,16 @@ web3-providers-ws@1.2.1:
     web3-core-helpers "1.2.1"
     websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
 
+web3-providers-ws@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.3.6.tgz#e1df617bc89d66165abdf2191da0014c505bfaac"
+  integrity sha512-bk7MnJf5or0Re2zKyhR3L3CjGululLCHXx4vlbc/drnaTARUVvi559OI5uLytc/1k5HKUUyENAxLvetz2G1dnQ==
+  dependencies:
+    eventemitter3 "4.0.4"
+    underscore "1.12.1"
+    web3-core-helpers "1.3.6"
+    websocket "^1.0.32"
+
 web3-shh@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.1.tgz#4460e3c1e07faf73ddec24ccd00da46f89152b0c"
@@ -8259,6 +9565,16 @@ web3-shh@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-net "1.2.1"
 
+web3-shh@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.3.6.tgz#4e3486c7eca5cbdb87f88910948223a5b7ea6c20"
+  integrity sha512-9zRo415O0iBslxBnmu9OzYjNErzLnzOsy+IOvSpIreLYbbAw0XkDWxv3SfcpKnTIWIACBR4AYMIxmmyi5iB3jw==
+  dependencies:
+    web3-core "1.3.6"
+    web3-core-method "1.3.6"
+    web3-core-subscriptions "1.3.6"
+    web3-net "1.3.6"
+
 web3-utils@1.2.1, web3-utils@^1.2.0, web3-utils@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
@@ -8272,6 +9588,20 @@ web3-utils@1.2.1, web3-utils@^1.2.0, web3-utils@^1.2.1:
     underscore "1.9.1"
     utf8 "3.0.0"
 
+web3-utils@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.3.6.tgz#390bc9fa3a7179746963cfaca55bb80ac4d8dc10"
+  integrity sha512-hHatFaQpkQgjGVER17gNx8u1qMyaXFZtM0y0XLGH1bzsjMPlkMPLRcYOrZ00rOPfTEuYFOdrpGOqZXVmGrMZRg==
+  dependencies:
+    bn.js "^4.11.9"
+    eth-lib "0.2.8"
+    ethereum-bloom-filters "^1.0.6"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randombytes "^2.1.0"
+    underscore "1.12.1"
+    utf8 "3.0.0"
+
 web3@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.1.tgz#5d8158bcca47838ab8c2b784a2dee4c3ceb4179b"
@@ -8285,6 +9615,31 @@ web3@1.2.1:
     web3-shh "1.2.1"
     web3-utils "1.2.1"
 
+web3@1.3.6, web3@^1.0.0-beta.34:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.3.6.tgz#599425461c3f9a8cbbefa70616438995f4a064cc"
+  integrity sha512-jEpPhnL6GDteifdVh7ulzlPrtVQeA30V9vnki9liYlUvLV82ZM7BNOQJiuzlDePuE+jZETZSP/0G/JlUVt6pOA==
+  dependencies:
+    web3-bzz "1.3.6"
+    web3-core "1.3.6"
+    web3-eth "1.3.6"
+    web3-eth-personal "1.3.6"
+    web3-net "1.3.6"
+    web3-shh "1.3.6"
+    web3-utils "1.3.6"
+
+websocket@^1.0.32:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.34.tgz#2bdc2602c08bf2c82253b730655c0ef7dcab3111"
+  integrity sha512-PRDso2sGwF6kM75QykIesBijKSVceR6jL2G8NGYyq2XrItNC2P5/qL5XeR056GhA+Ly7JMFvJb9I312mJfmqnQ==
+  dependencies:
+    bufferutil "^4.0.1"
+    debug "^2.2.0"
+    es5-ext "^0.10.50"
+    typedarray-to-buffer "^3.1.5"
+    utf-8-validate "^5.0.2"
+    yaeti "^0.0.6"
+
 "websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
   version "1.0.29"
   resolved "https://codeload.github.com/web3-js/WebSocket-Node/tar.gz/905deb4812572b344f5801f8c9ce8bb02799d82e"
@@ -8295,6 +9650,17 @@ web3@1.2.1:
     typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"
 
+which-boxed-primitive@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"
+  integrity sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==
+  dependencies:
+    is-bigint "^1.0.1"
+    is-boolean-object "^1.1.0"
+    is-number-object "^1.0.4"
+    is-string "^1.0.5"
+    is-symbol "^1.0.3"
+
 which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
@@ -8305,6 +9671,19 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
+which-typed-array@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/which-typed-array/-/which-typed-array-1.1.4.tgz#8fcb7d3ee5adf2d771066fba7cf37e32fe8711ff"
+  integrity sha512-49E0SpUe90cjpoc7BOJwyPHRqSAd12c10Qm2amdEZrJPCY2NDxaW01zHITrem+rnETY3dwrbH3UUrUwagfCYDA==
+  dependencies:
+    available-typed-arrays "^1.0.2"
+    call-bind "^1.0.0"
+    es-abstract "^1.18.0-next.1"
+    foreach "^2.0.5"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.1"
+    is-typed-array "^1.1.3"
+
 which@^1.2.10, which@^1.2.12, which@^1.2.14, which@^1.2.9:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
@@ -8458,6 +9837,11 @@ yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yargs-parser@^10.0.0:
   version "10.1.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-10.1.0.tgz#7202265b89f7e9e9f2e5765e0fe735a905edbaa8"

From ae389c8dcd4f18bec7e1fdea1add32a8f88fcc40 Mon Sep 17 00:00:00 2001
From: MerlinEgalite <egalite.merlin@gmail.com>
Date: Fri, 28 May 2021 17:25:57 +0100
Subject: [PATCH 3/5] docs: update readme

---
 contracts/standard/rng/README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contracts/standard/rng/README.md b/contracts/standard/rng/README.md
index 6486cb63..8e1b923b 100644
--- a/contracts/standard/rng/README.md
+++ b/contracts/standard/rng/README.md
@@ -8,4 +8,6 @@ BlockhashRNGFallback.sol does the same as the previous contract but fallback to
 
 TrustedRNG.sol implements a random number generator based on a trusted third party.
 
-ConstantNG.sol implements a contracts always returning a specified number to ease testing.
+ConstantNG.sol implements a contract always returning a specified number to ease testing.
+
+Chainlink.sol implements the RNG standard using Chainlink's Verifiable Randomness Mechanism

From 69f0f6f12a329e4b4a74094be78830fa4ee0152a Mon Sep 17 00:00:00 2001
From: MerlinEgalite <egalite.merlin@gmail.com>
Date: Wed, 2 Jun 2021 16:37:19 +0100
Subject: [PATCH 4/5] feat(ChainlinkRNG.sol): add Kleros Liquid as owner

---
 contracts/standard/rng/ChainlinkRNG.sol | 78 +++++++++++++++++--------
 1 file changed, 54 insertions(+), 24 deletions(-)

diff --git a/contracts/standard/rng/ChainlinkRNG.sol b/contracts/standard/rng/ChainlinkRNG.sol
index 4b56c6fe..873c1700 100644
--- a/contracts/standard/rng/ChainlinkRNG.sol
+++ b/contracts/standard/rng/ChainlinkRNG.sol
@@ -10,8 +10,14 @@ pragma solidity ^0.6.6;
 import "@chainlink/contracts/src/v0.6/VRFConsumerBase.sol";
 import "./RNG.sol";
 
+
+interface IKlerosLiquid {
+    function passPhase() external {}
+}
+
+
 /**
- * @title Random Number Generator using Chainlink Verifiable Randomness Mechanism
+ * @title Random Number Generator using Chainlink Verifiable Randomness Mechanism on Polygon
  * @author Merlin Egalite - <egalite.merlin@gmail.com>
  *
  * @dev This contract implements the RNG standard and inherits from VRFConsumerBase to use Chainlink Verifiable Randomness Mechanism.
@@ -24,49 +30,70 @@ contract ChainlinkRNG is RNG, VRFConsumerBase {
 
     /* Storage */
 
-    bytes32 internal keyHash; // The key hash to use for Chainlink's VRFCoordinator.
-    uint256 internal fee; // The fee to pay to Chainlink.
-    address public owner; // The owner of the contract.
+    IKlerosLiquid public kleros; // The address of Kleros Liquid.
+    bytes32 internal keyHash; // The key hash for the VRF Coordinator.
+    uint256 internal fee; // The amount of LINK to send with a request.
+    mapping(bytes32 => uint256) public randomNumber; // randomNumber[requestId] is the random number for the requestId, 0 otherwise.
 
-    mapping (bytes32 => uint256) public randomNumber; // randomNumber[requestId] is the random number for the requestId, 0 otherwise.
+    /* Modifier */
 
-    modifier onlyOwner() {
-        require(msg.sender == owner, "Not the owner");
+    modifier onlyByKleros() {
+        require(msg.sender == kleros, "ChainlinkRNG: not called by Kleros");
+        _;
     }
 
     /* Constructor */
 
     /**
      * @dev Constructs the ChainlinkRNG contract.
-     * @param _vrfCoordinator Address of VRFCoordinator contract.
-     * @param _link Address of LINK token contract.
-     * @param _keyHash The _keyHash for the VRF Coordinator.
+     * @param _vrfCoordinator The address of VRFCoordinator contract.
+     * @param _link The address of LINK token contract.
+     * @param _kleros The address of Kleros Liquid's contract.
+     * @param _keyHash The key hash for the VRF Coordinator.
      * @param _fee The amount of LINK to send with a request.
      *
      * @dev https://docs.chain.link/docs/link-token-contracts
      */
-    constructor(address _vrfCoordinator, address _link, bytes32 _keyHash, uint256 _fee)
-        VRFConsumerBase(_vrfCoordinator, _link) public
+    constructor(
+        address _vrfCoordinator,
+        address _link,
+        IKlerosLiquid _kleros,
+        bytes32 _keyHash,
+        uint256 _fee
+    )
+        VRFConsumerBase(_vrfCoordinator, _link)
+        public
     {
         keyHash = _keyHash;
+        kleros = _kleros;
         fee = _fee;
-        owner = msg.sender;
     }
 
+    /* External */
+
     /**
      * @dev Withdraws all LINK tokens locked in this contract.
      */
-    function withdrawLink() external onlyOwner {
-        require(LINK.transfer(msg.sender, LINK.balanceOf(address(this))), "Unable to transfer");
+    function withdrawLink() external onlyByKleros {
+        require(LINK.transfer(msg.sender, LINK.balanceOf(address(this))), "ChainlinkRNG: unable to transfer LINK tokens");
     }
 
     /**
-     * @dev Changes the fee used when requesting a new random number.
+     * @dev Changes the `fee` storage variable.
+     * @param _newFee The new value for the `fee` storage variable.
      */
-    function changeFee(uint256 _newFee) external onlyOwner {
+    function changeFee(uint256 _newFee) external onlyByKleros {
         fee = _newFee;
     }
 
+    /**
+     * @dev Changes the `kleros` storage variable.
+     * @param _newKleros The new value for the `kleros` storage variable.
+     */
+    function changeKleros(IKlerosLiquid _newKleros) external onlyByKleros {
+        kleros = _newKleros;
+    }
+
     /**
      * @dev Requests a random number.
      * @dev The _seed parameter is vestigial, and is kept only for API
@@ -77,27 +104,30 @@ contract ChainlinkRNG is RNG, VRFConsumerBase {
      * @param _seed seed mixed into the input of the VRF.
      * @return requestId unique ID for this request.
      */
-    function requestRN(uint _seed) public returns (uint256 requestId) {
-        require(LINK.balanceOf(address(this)) >= fee, "Not enough LINK to pay the fee");
+    function requestRN(uint _seed) external onlyByKleros returns (bytes32 requestId) {
+        require(LINK.balanceOf(address(this)) >= fee, "ChainlinkRNG: not enough LINK to pay the fee");
         return requestRandomness(keyHash, fee, _seed);
     }
 
     /**
-     * @dev Returns the random number associatd to a request Id.
-     * @param _requestId The Id initially returned by requestRN.
+     * @dev Gets the random number associated to a `_requestId`.
+     * @param _requestId The request Id initially returned by requestRN.
      * @return RN Random Number. If the number is not ready or has not been required it returns 0.
      */
-    function getRN(bytes32 _requestId) public returns (uint256 RN) {
+    function getRN(bytes32 _requestId) external returns (bytes32 RN) {
         return randomNumber[_requestId];
     }
 
+    /* Internal */
+
     /**
-     * @dev Stores the random number given by the VRF Coordinator.
+     * @dev Stores the random number given by the VRF Coordinator and calls passPhase function on Kleros Liquid.
      * @dev This is the callback function used by the VRF Coordinator.
-     * @param _requestId The Id initially returned by requestRN.
+     * @param _requestId The request Id initially returned by requestRN.
      * @param _randomness the VRF output.
      */
     function fulfillRandomness(bytes32 _requestId, uint256 _randomness) internal override {
         randomNumber[_requestId] = _randomness;
+        IKlerosLiquid(kleros).passPhase();
     }
 }
\ No newline at end of file

From 8b33dae2e94f96a3f6c2c7419f8d24f69204e332 Mon Sep 17 00:00:00 2001
From: MerlinEgalite <egalite.merlin@gmail.com>
Date: Thu, 3 Jun 2021 11:52:00 +0100
Subject: [PATCH 5/5] fix(chainlinkRNG.sol): RN type, interface and kleros
 check address

---
 contracts/standard/rng/ChainlinkRNG.sol | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/contracts/standard/rng/ChainlinkRNG.sol b/contracts/standard/rng/ChainlinkRNG.sol
index 873c1700..e23f8fc8 100644
--- a/contracts/standard/rng/ChainlinkRNG.sol
+++ b/contracts/standard/rng/ChainlinkRNG.sol
@@ -12,7 +12,7 @@ import "./RNG.sol";
 
 
 interface IKlerosLiquid {
-    function passPhase() external {}
+    function passPhase() external;
 }
 
 
@@ -38,7 +38,7 @@ contract ChainlinkRNG is RNG, VRFConsumerBase {
     /* Modifier */
 
     modifier onlyByKleros() {
-        require(msg.sender == kleros, "ChainlinkRNG: not called by Kleros");
+        require(msg.sender == address(kleros), "ChainlinkRNG: not called by Kleros");
         _;
     }
 
@@ -114,7 +114,7 @@ contract ChainlinkRNG is RNG, VRFConsumerBase {
      * @param _requestId The request Id initially returned by requestRN.
      * @return RN Random Number. If the number is not ready or has not been required it returns 0.
      */
-    function getRN(bytes32 _requestId) external returns (bytes32 RN) {
+    function getRN(bytes32 _requestId) external view returns (uint256 RN) {
         return randomNumber[_requestId];
     }
 
@@ -130,4 +130,4 @@ contract ChainlinkRNG is RNG, VRFConsumerBase {
         randomNumber[_requestId] = _randomness;
         IKlerosLiquid(kleros).passPhase();
     }
-}
\ No newline at end of file
+}