diff --git a/package-lock.json b/package-lock.json
index 294f7af2d..f40337817 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,11 @@
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       }
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@@ -39,6 +44,223 @@
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+            "bs58check": "^2.1.2",
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+            "pbkdf2": "^3.0.17",
+            "randombytes": "^2.1.0",
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+            "scrypt-js": "^3.0.0",
+            "secp256k1": "^4.0.1",
+            "setimmediate": "^1.0.5"
+          }
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+          "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#ee3994657fa7a427238e6ba92a84d0b529bbcde0",
+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+          "requires": {
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+            "ethereumjs-util": "^6.0.0"
+          },
+          "dependencies": {
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+                "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"
+              }
+            }
+          }
+        },
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+          "version": "1.7.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-1.7.1.tgz",
+          "integrity": "sha512-B+sSdtqm78fmKkBq78/QLKJbu/4Ts4P2KFISdgcuZUPDm9x+N7qgBPIIFUGbaakQh8bzuquiRVbdmvPKqbILRg==",
+          "requires": {
+            "async": "^2.0.1",
+            "ethereum-common": "0.2.0",
+            "ethereumjs-tx": "^1.2.2",
+            "ethereumjs-util": "^5.0.0",
+            "merkle-patricia-tree": "^2.1.2"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
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+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
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+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
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+        },
+        "keccak": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.2.tgz",
+          "integrity": "sha512-PyKKjkH53wDMLGrvmRGSNWgmSxZOUqbnXwKL9tmgbFYA1iAYqW21kfR7mZXV0MlESiefxQQE9X9fTa3X+2MPDQ==",
+          "requires": {
+            "node-addon-api": "^2.0.0",
+            "node-gyp-build": "^4.2.0",
+            "readable-stream": "^3.6.0"
+          },
+          "dependencies": {
+            "readable-stream": {
+              "version": "3.6.0",
+              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
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+              "requires": {
+                "inherits": "^2.0.3",
+                "string_decoder": "^1.1.1",
+                "util-deprecate": "^1.0.1"
+              }
+            }
+          }
+        },
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
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+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          },
+          "dependencies": {
+            "string_decoder": {
+              "version": "1.1.1",
+              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+              "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+              "requires": {
+                "safe-buffer": "~5.1.0"
+              }
+            }
+          }
+        },
+        "scrypt-js": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
+          "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
+        },
+        "secp256k1": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.3.tgz",
+          "integrity": "sha512-NLZVf+ROMxwtEj3Xa562qgv2BK5e2WNmXPiOdVIPLgs6lyTzMvBq0aWTYMI5XCP9jZMVKOcqZLw/Wc4vDkuxhA==",
+          "requires": {
+            "elliptic": "^6.5.4",
+            "node-addon-api": "^2.0.0",
+            "node-gyp-build": "^4.2.0"
+          },
+          "dependencies": {
+            "elliptic": {
+              "version": "6.5.4",
+              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+              "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+              "requires": {
+                "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"
+              }
+            }
+          }
+        },
+        "ws": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+          "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        },
+        "xtend": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+          "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
+        }
+      }
+    },
     "web3-providers-http": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
       "integrity": "sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==",
+      "dev": true,
       "requires": {
         "web3-core-helpers": "1.2.1",
         "xhr2-cookies": "1.1.0"
@@ -12584,6 +14567,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz",
       "integrity": "sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==",
+      "dev": true,
       "requires": {
         "oboe": "2.1.4",
         "underscore": "1.9.1",
@@ -12594,6 +14578,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz",
       "integrity": "sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==",
+      "dev": true,
       "requires": {
         "underscore": "1.9.1",
         "web3-core-helpers": "1.2.1",
@@ -12603,6 +14588,7 @@
         "websocket": {
           "version": "github:web3-js/WebSocket-Node#ef5ea2f41daf4a2113b80c9223df884b4d56c400",
           "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
+          "dev": true,
           "requires": {
             "debug": "^2.2.0",
             "es5-ext": "^0.10.50",
@@ -12617,6 +14603,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.1.tgz",
       "integrity": "sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==",
+      "dev": true,
       "requires": {
         "web3-core": "1.2.1",
         "web3-core-method": "1.2.1",
@@ -12628,6 +14615,7 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
       "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+      "dev": true,
       "requires": {
         "bn.js": "4.11.8",
         "eth-lib": "0.2.7",
@@ -12641,12 +14629,14 @@
         "bn.js": {
           "version": "4.11.8",
           "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
         },
         "eth-lib": {
           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
           "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
           "requires": {
             "bn.js": "^4.11.6",
             "elliptic": "^6.4.0",
@@ -12655,16 +14645,23 @@
         }
       }
     },
-    "websocket": {
-      "version": "1.0.31",
-      "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.31.tgz",
-      "integrity": "sha512-VAouplvGKPiKFDTeCCO65vYHsyay8DqoBSlzIO3fayrfOgU94lQN5a1uWVnFrMLceTJw/+fQXR5PGbUVRaHshQ==",
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
+    "whatwg-fetch": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+      "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng=="
+    },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
       "requires": {
-        "debug": "^2.2.0",
-        "es5-ext": "^0.10.50",
-        "nan": "^2.14.0",
-        "typedarray-to-buffer": "^3.1.5",
-        "yaeti": "^0.0.6"
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
       }
     },
     "which": {
@@ -12755,6 +14752,7 @@
       "version": "3.3.3",
       "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
       "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "dev": true,
       "requires": {
         "async-limiter": "~1.0.0",
         "safe-buffer": "~5.1.0",
@@ -12783,6 +14781,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
       "integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
+      "dev": true,
       "requires": {
         "buffer-to-arraybuffer": "^0.0.5",
         "object-assign": "^4.1.1",
@@ -12797,6 +14796,7 @@
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.3.tgz",
       "integrity": "sha512-YUBytBsuwgitWtdRzXDDkWAXzhdGB8bYm0sSzMPZT7Z2MBjMSTHFsyCT1yCRATY+XC69DUrQraRAEgcoCRaIPg==",
+      "dev": true,
       "requires": {
         "xhr-request": "^1.1.0"
       }
@@ -12811,6 +14811,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
       "integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+      "dev": true,
       "requires": {
         "cookiejar": "^2.1.1"
       }
@@ -12818,7 +14819,8 @@
     "xmlhttprequest": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=",
+      "dev": true
     },
     "xtend": {
       "version": "2.1.2",
@@ -12837,12 +14839,14 @@
     "yaeti": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
-      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
+      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
+      "dev": true
     },
     "yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
-      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "dev": true
     },
     "yargs": {
       "version": "10.1.2",
@@ -12928,6 +14932,7 @@
       "version": "2.10.0",
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
       "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+      "dev": true,
       "requires": {
         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
diff --git a/package.json b/package.json
index e2cff4829..9255f47ea 100644
--- a/package.json
+++ b/package.json
@@ -27,8 +27,7 @@
     "lint:sol:fix": "solium -d contracts/ --fix",
     "lint:sol": "solium -d contracts/"
   },
-  "pre-commit": [
-  ],
+  "pre-commit": [],
   "repository": {
     "type": "git",
     "url": "https://github.com/maticnetwork/contracts.git"
@@ -76,6 +75,7 @@
     "truffle-contract-size": "^1.0.1"
   },
   "dependencies": {
+    "@truffle/hdwallet-provider": "^2.0.9",
     "commander": "^4.0.1",
     "ethereumjs-abi": "^0.6.5",
     "ethereumjs-block": "2.1.0",
@@ -87,7 +87,6 @@
     "nunjucks": "^3.2.0",
     "openzeppelin-solidity": "2.2.0",
     "solidity-rlp": "^2.0.0",
-    "truffle-hdwallet-provider": "^1.0.17",
     "truffle-plugin-verify": "^0.3.8"
   }
 }
diff --git a/scripts/deposit.js b/scripts/deposit.js
index cfeebb79b..a555a3665 100644
--- a/scripts/deposit.js
+++ b/scripts/deposit.js
@@ -66,11 +66,11 @@ module.exports = async function (callback) {
     console.log("Current configured address to make transactions:", accounts[0])
 
     // -- network <main network> <root token> <amount>
-    // await depositERC20({
-    //   addr: accounts[0], 
-    //   rootToken: process.argv[6],
-    //   amount: process.argv[7],
-    // })
+    await depositERC20({
+      addr: accounts[0],
+      rootToken: process.argv[6],
+      amount: process.argv[7],
+    })
 
     // -- network <main network> <root token> <amount>
     // await depositERC721({
@@ -96,4 +96,4 @@ module.exports = async function (callback) {
     console.log(e)
   }
   callback()
-}
\ No newline at end of file
+}
diff --git a/truffle-config.js b/truffle-config.js
index 1df554979..428e90770 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -5,7 +5,7 @@ const chai = require('chai')
 const chaiAsPromised = require('chai-as-promised')
 chai.use(chaiAsPromised).should()
 
-var HDWalletProvider = require('truffle-hdwallet-provider')
+var HDWalletProvider = require('@truffle/hdwallet-provider')
 
 const MNEMONIC =
   process.env.MNEMONIC ||
@@ -30,7 +30,7 @@ module.exports = {
           `http://localhost:8545`
         ),
       network_id: '*', // match any network
-      gasPrice: '0'
+      gasPrice: '90000000000'
     },
     matic: {
       provider: () =>