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Architect a Blockchain Medical Supply Chain Solution

Udacity Blockchain Nanodegree - Project 7


#Project write-up:

  • UML:

    • State Diagram:

    • Activity Diagram:

    • Data Model Diagram:

    • Sequence Diagram:

  • Libraries Documentation:

  • IPFS Documentation:
    IPFS is not used to host static files such as html/js/css/imgs. IPFS should ensure full decentralization of this project.

  • HD Wallet:
    Connecting to rinkeby network using infura

  • Versions:
    Node: v11.2.0
    Truffle: v5.0.2 (core: 5.0.2)
    Solidity 0.4.24 (solc-js)
    Web3: 1.0.0-beta.51

Medical-Blockchain

This blockchain dapp shows the contribution it can add to the medical field, by tracking medicine from the moment it is manufactured till it reaches the patient.

#Contracts deployment output:

Starting migrations...

Network name: 'rinkeby' Network id: 4 Block gas limit: 7001609

1_initial_migration.js

Deploying 'Migrations'

transaction hash: 0x62af6080db7a126e50a6b23641ef7a3c695b8ecf2e10dfedc231e5f84ddefeae Blocks: 0 Seconds: 9 contract address: 0x1BeccA6dc31a65029cFC5A4812A35ff42115290d account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.099711443222213392 gas used: 277462 gas price: 1 gwei value sent: 0 ETH total cost: 0.000277462 ETH

Saving migration to chain. Saving artifacts

Total cost: 0.000277462 ETH

2_deploy_contracts.js

Deploying 'ManufacturerRole'

transaction hash: 0x9a23082eaeb6ced0a6339cd233bc946957789371c465e22d30a80c6db1b60384 Blocks: 0 Seconds: 9 contract address: 0x95cc2F672C78c90Eef6F52015b74e0de49F85D35 account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.099289105222213392 gas used: 380330 gas price: 1 gwei value sent: 0 ETH total cost: 0.00038033 ETH

Deploying 'DistributorRole'

transaction hash: 0x0fafa79db7bf45bc37f0e5383ecc9def8ed2dd467abdde7a78a50e290f42883b Blocks: 0 Seconds: 9 contract address: 0x3A863d01F5c23B0c5fDA62f8E3878e37C7946832 account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.098908903222213392 gas used: 380202 gas price: 1 gwei value sent: 0 ETH total cost: 0.000380202 ETH

Deploying 'PharmacistRole'

transaction hash: 0x836b7e4190379ee2f6eb94b3118d2c5d0854c776a657ed6cfe01aab3f455c92f Blocks: 0 Seconds: 9 contract address: 0x8B3fe04804552B929058a879662856Dd3D107883 account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.098528701222213392 gas used: 380202 gas price: 1 gwei value sent: 0 ETH total cost: 0.000380202 ETH

Deploying 'PatientRole'

transaction hash: 0xdd299cba520a28f55225edf845a7725b05de920324aad706d17d4830e8b0c315 Blocks: 0 Seconds: 9 contract address: 0x75163E16d6eA79462835D48f5C5Ae793FF35B874 account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.098148499222213392 gas used: 380202 gas price: 1 gwei value sent: 0 ETH total cost: 0.000380202 ETH

Deploying 'SupplyChain'

transaction hash: 0xe1b88cc1d8bc9c669cb9969e1f42086decac73be539709cd8c2d2fac1690c445 Blocks: 0 Seconds: 9 contract address: 0x33d839692456381d4D741095B89f523E805a00FB account: 0x2d5faBF0533647E18dc4e96CdD447EF0045Db32B balance: 2.095517993222213392 gas used: 2630506 gas price: 1 gwei value sent: 0 ETH total cost: 0.002630506 ETH

Saving migration to chain. Saving artifacts

Total cost: 0.004151442 ETH

Summary

Total deployments: 6 Final cost: 0.004428904 ETH