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Project write-ups

Project write-up - UML

includes following UML diagrams:

Prerequisites

Please make sure you've already installed Tools and used the versions listed

  • node (v8.12.0)
  • npm (6.4.1)
  • Ganache CLI v6.4.3 (ganache-core: 2.5.5)
  • Truffle v4.1.15 (core: 4.1.15)
  • Solidity - ^0.4.24 (solc-js)
  • MetaMask version extension for browser (6.4.1)
  • web3 (1.0.0-beta.54)
Project write-up - Libraries

Following libraries are used in this project:

  • Roles.sol : alows managing addresses assigned to a Role.
  • Ownable.sol : provides basic authorization control functions, thereby simplifing the implementation of "user permissions".
Project write-up - Libraries

IPFS is not used in this project at this time.

Smart contracts

Following contracts are created to implement the solution.

├─ contracts
  ├── coconutbase :  Includes contracts of the most fundamental code shared throughout the core functionality. This includes main data storage, constants and data types, plus internal functions for managing these items.
      ├── SupplyChain.sol  # main contract to manage supply chain
  ├── coconutcore :  includes contract that controls ownership and transfer of ownership.
      ├── Ownable.sol  # provides basic authorization control
  ├── coconutaccesscontrol : These contracts manages the various addresses and constraints for operations that can be executed only by specific roles.
      ├── Role.sol  # manages the addresses assigned to a Role
      ├── FarmerRole.sol  # manages the Role Farmer 
      ├── Distributor.sol  # manages the Role Distributor 
      ├── Retailer.sol  # manages the Role Retailer 
      ├── Consumer.sol  # manages the Role Consumer

Deployment on the Ethereum RINKEBY test network.

Deployment protocol:

$truffle migrate --reset --network rinkeby
Using network 'rinkeby'.

Running migration: 1_initial_migration.js
  Deploying Migrations...
  ... 0x229bc9ad5bc3543afd58fdaa0d479a5e5d624b7962dd3fc503023e2e8eb16d09
  Migrations: 0x7644de89481895582d24c4d84c5dddaa527a116b
Saving successful migration to network...
  ... 0x9f37372267572f9a1f4fd4e32c9c0ef5f613e55d3222a73aa801914fcef2eac0
Saving artifacts...
Running migration: 2_deploy_contracts.js
  Deploying FarmerRole...
  ... 0x8c0e8fbdc67a7d07bc5aa3157a9090f693091b16e97bb9e8fbb37e81a31840b9
  FarmerRole: 0xcdd82799e4460e6e07e2abedddcadf250859eeb4
  Deploying DistributorRole...
  ... 0x3e913e4079626dfb24c379ef3fbdbc56698f3530567b51e6dee9161a6a365af7
  DistributorRole: 0xc045bcd5125a5f9a18dad0b4b0dc5478cf6b6a82
  Deploying RetailerRole...
  ... 0xa7cbf4957ee9053cdbf5c849c410a31b303d143f1158eb07973831653baadf78
  RetailerRole: 0xcb61da73ebcec7858d695bdcb1a6655216daee34
  Deploying ConsumerRole...
  ... 0x8ebd98be3db4eb36ea749864196a55c9d0edc2e1f5ab85fe5f17e90c5b59d18e
  ConsumerRole: 0x5fbaefc826913a97c9b3a01ed4f38b5628df498f
  Deploying SupplyChain...
  ... 0xcc484e9930529316db47b2db0cc9ee59164bae821f25c89a2846fe5b3bd17ae8
  SupplyChain: 0x6A83c4480435323679CAfa38d70602ECEd763FdF
Saving successful migration to network...
  ... 0x27019ad1fed831bb4369c84d9acd1474a00a949419fd78019045e961607ce072
Saving artifacts...

$

Deployed Contract on the Ethereum RINKEBY test network.

Built With

  • Ethereum - Ethereum is a decentralized platform that runs smart contracts
  • Truffle Framework - Truffle is the most popular development framework for Ethereum with a mission to make your life a whole lot easier.

Authors

  • Charles Miles

Acknowledgments

  • Solidity
  • Ganache-cli
  • Truffle