diff --git a/package.json b/package.json
index 315dc54a..a3aeeca6 100644
--- a/package.json
+++ b/package.json
@@ -45,8 +45,8 @@
     "whatwg-url": "^8.0.0"
   },
   "devDependencies": {
+    "@oceanprotocol/contracts": "^0.2.0",
     "@release-it/bumper": "^1.1.0",
-    "@oceanprotocol/contracts": "0.2.0",
     "@truffle/hdwallet-provider": "^1.0.33",
     "@types/chai": "^4.2.11",
     "@types/chai-spies": "^1.0.1",
diff --git a/src/datatokens/Datatokens.ts b/src/datatokens/Datatokens.ts
index 9400950a..b150bafa 100644
--- a/src/datatokens/Datatokens.ts
+++ b/src/datatokens/Datatokens.ts
@@ -1,7 +1,6 @@
 import Account from '../ocean/Account'
-
-const defaultFactoryABI = require('../datatokens/FactoryABI.json')
-const defaultDatatokensABI = require('../datatokens/DatatokensABI.json')
+const defaultFactoryABI = require('@oceanprotocol/artifacts/development/Factory.json')
+const defaultDatatokensABI = require('@oceanprotocol/artifacts/development/DatatokenTemplate.json')
 
 /**
  * Provides a interface to DataTokens
diff --git a/src/datatokens/DatatokensABI.json b/src/datatokens/DatatokensABI.json
deleted file mode 100644
index e090a0e7..00000000
--- a/src/datatokens/DatatokensABI.json
+++ /dev/null
@@ -1,450 +0,0 @@
-[
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "spender",
-          "type": "address"
-        },
-        {
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "approve",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "totalSupply",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "from",
-          "type": "address"
-        },
-        {
-          "name": "to",
-          "type": "address"
-        },
-        {
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "transferFrom",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "spender",
-          "type": "address"
-        },
-        {
-          "name": "addedValue",
-          "type": "uint256"
-        }
-      ],
-      "name": "increaseAllowance",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address"
-        }
-      ],
-      "name": "balanceOf",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "spender",
-          "type": "address"
-        },
-        {
-          "name": "subtractedValue",
-          "type": "uint256"
-        }
-      ],
-      "name": "decreaseAllowance",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "to",
-          "type": "address"
-        },
-        {
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "transfer",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "owner",
-          "type": "address"
-        },
-        {
-          "name": "spender",
-          "type": "address"
-        }
-      ],
-      "name": "allowance",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "inputs": [
-        {
-          "name": "name",
-          "type": "string"
-        },
-        {
-          "name": "symbol",
-          "type": "string"
-        },
-        {
-          "name": "minter",
-          "type": "address"
-        },
-        {
-          "name": "cap",
-          "type": "uint256"
-        },
-        {
-          "name": "blob",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "constructor"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": true,
-          "name": "from",
-          "type": "address"
-        },
-        {
-          "indexed": true,
-          "name": "to",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "Transfer",
-      "type": "event"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": true,
-          "name": "owner",
-          "type": "address"
-        },
-        {
-          "indexed": true,
-          "name": "spender",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "Approval",
-      "type": "event"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "name",
-          "type": "string"
-        },
-        {
-          "name": "symbol",
-          "type": "string"
-        },
-        {
-          "name": "minter",
-          "type": "address"
-        },
-        {
-          "name": "cap",
-          "type": "uint256"
-        },
-        {
-          "name": "blob",
-          "type": "string"
-        }
-      ],
-      "name": "initialize",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address"
-        },
-        {
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "mint",
-      "outputs": [],
-      "payable": true,
-      "stateMutability": "payable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [],
-      "name": "pause",
-      "outputs": [],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [],
-      "name": "unpause",
-      "outputs": [],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "minter",
-          "type": "address"
-        }
-      ],
-      "name": "setMinter",
-      "outputs": [],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "name",
-      "outputs": [
-        {
-          "name": "",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "symbol",
-      "outputs": [
-        {
-          "name": "",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "blob",
-      "outputs": [
-        {
-          "name": "",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "decimals",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "cap",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address"
-        }
-      ],
-      "name": "isMinter",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "isInitialized",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [],
-      "name": "isPaused",
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    }
-  ]
\ No newline at end of file
diff --git a/src/datatokens/FactoryABI.json b/src/datatokens/FactoryABI.json
deleted file mode 100644
index b4eab0e7..00000000
--- a/src/datatokens/FactoryABI.json
+++ /dev/null
@@ -1,150 +0,0 @@
-[
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "str1",
-          "type": "string"
-        },
-        {
-          "name": "str2",
-          "type": "string"
-        }
-      ],
-      "name": "concatenateStrings",
-      "outputs": [
-        {
-          "name": "",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "pure",
-      "type": "function"
-    },
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "uintToString",
-      "outputs": [
-        {
-          "name": "",
-          "type": "string"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "pure",
-      "type": "function"
-    },
-    {
-      "inputs": [
-        {
-          "name": "_template",
-          "type": "address"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "constructor"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": false,
-          "name": "newTokenAddress",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "templateAddress",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "tokenName",
-          "type": "string"
-        }
-      ],
-      "name": "TokenCreated",
-      "type": "event"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": true,
-          "name": "tokenAddress",
-          "type": "address"
-        },
-        {
-          "indexed": true,
-          "name": "tokenName",
-          "type": "string"
-        },
-        {
-          "indexed": true,
-          "name": "tokenSymbol",
-          "type": "string"
-        },
-        {
-          "indexed": false,
-          "name": "tokenCap",
-          "type": "uint256"
-        },
-        {
-          "indexed": false,
-          "name": "RegisteredBy",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "RegisteredAt",
-          "type": "uint256"
-        },
-        {
-          "indexed": false,
-          "name": "blob",
-          "type": "string"
-        }
-      ],
-      "name": "TokenRegistered",
-      "type": "event"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": false,
-          "name": "instance",
-          "type": "address"
-        }
-      ],
-      "name": "InstanceDeployed",
-      "type": "event"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "blob",
-          "type": "string"
-        }
-      ],
-      "name": "createToken",
-      "outputs": [
-        {
-          "name": "token",
-          "type": "address"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    }
-  ]
\ No newline at end of file