From 7d34106cdfc4f51eb27df36ccde16da6005307dc Mon Sep 17 00:00:00 2001
From: Alex Coseru <alex.coseru@gmail.com>
Date: Fri, 22 May 2020 12:59:12 +0300
Subject: [PATCH] Create README_marketplace_flow.md

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+
+# ocean-lib
+
+`ocean-lib-js` is a Javascript/Typescript library to privately & securely publish, exchange, and consume data. With it, you can:
+* **Publish** data services: static data, streaming data, or compute-to-data. Every data service gets its own [ERC20](https://github.com/ethereum/EIPs/blob/7f4f0377730f5fc266824084188cc17cf246932e/EIPS/eip-20.md) token.
+* **Mint** data tokens for a given data service
+* **Transfer** data tokens to another owner
+* **Consume** data tokens, to access the service
+
+`ocean-lib-js` is part of the [Ocean Protocol](www.oceanprotocol.com) toolset.
+
+# Installation
+```
+// ES6
+import { Ocean, Logger } from '@oceanprotocol/lib'
+
+// ES2015
+const { Ocean, Logger } = require('@oceanprotocol/lib')
+
+```
+
+# Quickstart
+
+This section describes a flow with the simplest transfer of value, for static data.
+
+Here's the steps.
+1. Alice publishes a dataset (= publishes a datatoken contract)
+1. Alice mints 100 tokens
+1. Alice transfers 1 token to Bob
+1. Bob consumes dataset
+
+Let's go through each of these in detail.
+
+
+## 1. Alice publishes a dataset (= publishes a datatoken contract)
+
+For now, you're Alice:) Let's proceed.
+
+
+```javascript
+const { Ocean, Logger } = require('@oceanprotocol/lib')
+const config={
+   network: 'rinkeby',
+   privateKey:'8da4ef21b864d2cc526dbdb2a120bd2874c36c9d0a1fb7f8c63d7f7a8b41de8f',
+}
+const ocean = Ocean(alice_config)
+const account = await ocean.accounts.list()[0]
+const myToken = ocean.datatoken.create('localhost:8030',account)
+const dt_address=myToken.getAddress()
+console.log(dt_address)
+```
+
+## 2. Alice hosts the dataset
+
+A locally providerService is required, which will serve just one file for this demo.
+Let's create the file to be shared:
+```
+touch /var/mydata/myFolder1/file
+````
+
+Run the providerService:
+(given that ERC20 contract address from the above is 0x1234)
+
+```
+ENV DT="{'0x1234':'/var/mydata/myFolder1'}"
+docker run @oceanprotocol/provider-py -e CONFIG=DT
+```
+
+
+## 3. Alice mints 100 tokens
+
+```javascript
+myToken.mint(100)
+```
+
+## 4. Alice transfers 1 token to Bob
+
+```javascript
+myToken.transfer(1,BobAddress)
+```
+
+## 5. Bob consumes dataset
+
+Now, you are Bob :)
+
+
+```javascript
+
+const bob_config={
+   network: 'rinkeby',
+   privateKey:'1234ef21b864d2cc526dbdb2a120bd2874c36c9d0a1fb7f8c63d7f7a8b41de8f'  
+}
+const bob_ocean = Ocean(bob_config)
+
+
+const account = await bob_ocean.accounts.list()[0]
+const asset=bob_ocean.assets.get(dt_address)
+const file=asset.download(account)
+
+```
+
+