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Minor Blockchain on the hague university of applied sciences 20192020 Block B - IT: Programming Dapps

This is the guiding material.































Guiding material

Day 0 Thu: 10-10-2019

(TOC) Introduction programming dapps

Preparations Sheets Assignments
results here: web3assignments
  day0sheets  































Day 1 Mon: 18-11-2019

(TOC) Technical concept / Solidity / Create first smart contract (play)

Preparations Video & sheets Assignments Background info
Follow: cryptozombies_1_Making_the_Zombie_Factory record_day1 1) Install metamask solidity_docs
Read: mast_eth_01_What_is_Ethereum 1) general info 2) Get test ETH (Ropsten) toshblocks
Read: mast_eth_02_Ethereum_Basics 2) arch_ethereum 3) Experiment with: play_ed solidity_overview
Read: mast_eth_04_Keys_and_Addresses 3) play_solidity 4) Check out: play_ed_demo solidity_details
Read: mast_eth_06_Transactions 4) metamask_sh 5) Tryout example contracts: example_solidity1  
Read: mast_eth_07_Smart_contracts_and_Solidity 5) athereum_sh 6) Tryout example contracts: example_solidity2  
Read: mast_eth_14_Consensus   7) Use athereum  
Supply: github account   8) Create a smart contract and store it here: web3assignments  































Day 2 Wed: 20-11-2019

(TOC) Remix / Solidity / Debug

Preparations Video & sheets Assignments Background info
Follow: cryptozombies_2_Zombies_Attack_Their_Victims record_day2 1) Experiment with: remix_ide remix_docs
Read: mast_eth_03_Ethereum_Clients 1) general_day2 2) Check out: remix_demos solidity_docs
Read: mast_eth_05_Wallets 2) remix_sh 3) Tryout newer & remix contracts: example_solidity1 solidity_overview
Read: mast_eth_13_gas 3) solidity_sh 4) Use the debugger of Remix solidity_details
    5) Adapt or create a smart contract with:
error handling, mapping, events
toshblocks
    6) Store the smart contract here: web3assignments  































Day 3 Mon: 25-11-2019

(TOC) Install chain software / Ganache / RPC interface / Management

Preparations Video & sheets Assignments Background info
Follow:
cryptozombies_3_Adv_Sol_Con
record_day3 (only afternoon) 1) Install curl (see install_sw) jsonrpc
  1) general_day3 2) Instal Build tools (see install_sw)  
  2) rpc_sh 3) Install node.js (see install_sw)  
  3) testnet_sh 4) Install wscurl & wscat (see install_sw)  
  4) chainsw_sh 5) Try out: rpc_examples  
    6) Try out: grid_rpc_app  
    7) Create html file to show transaction info (e.g. mini explorer)
(based on blocknr and wsblocks)
Store results here: web3assignments
 
    8) Test curl, wscurl & rpc commands on other testworks  
    9) Install Ganache (see install_sw)  
    10) Configure and test Ganache with curl,
wscurl & rpc commands
 
    11) Tryout eth_accounts, eth_sendTransaction with ganache (see rpc_examples)  
    12) Use Ethereum Play with Ganache  
    13) Stop Ganache (to prevent conflicts with Geth)  
    14) Install grid  
    15) Configure and start Geth  
    16) Test curl, wscurl & rpc commands on Geth  
    17) Test Grid explorer  
    18) Install Protheus and Grafana, configure and run.  
    19) Store screenshots of working geth,
explorer dashboard here: web3assignments
 































Day 4 Wed: 27-11-2019

(TOC) Node.js; ganache-cli; web3.js

Preparations Video & sheets Assignments Background info
If you don’t know javascript: study javascript, via: jws or jover record_day4 Install node.js 12 (see install_sw) web3js_docs
For everyone: study jfeat general_day4 Install web3.js (see install_sw)  
  javascript_sh Install vscode (see install_sw)  
  node_sh Try out .js examples: web3js_gh  
  webjs_sh Generate vanity address
(with >= 5 lead characters)
store here: web3assignments
 
    Deploy your smartcontact to ropsten (or simplified version)  
    Make .js program to call functions
of own smartcontract
store here: web3assignments
 
    Add function to get emit/logs
of own smartcontract
store here: web3assignments
 































Day 5 Mon: 2-12-2019

(TOC) Web3.js in (mobile) browser

Preparations Video & sheets Assignments Background info
Read: mast_eth_12_Decentralized_Applications record_day5 1) Try out examples: web3jsbr_gh web3js_docs
Follow: cryptozombies_6_App_Front_ends_Web3_js general_day5 2) Install opera (see install_sw) mmdocs
  webapps_sh 3) Install metamask mobile (see install_sw)  
  opera_sh 4) Create website that interacts with your smart contract  
  mm_mobile_sh 5) Detect account & network changes,
store screenshot: web3assignments
 
    6) Check it works with opera on pc,
store screenshot: web3assignments
 
    7) Check it works with opera on mobile,
store screenshot of photo: web3assignments
 
    8) Check it works with metamask mobile,
store screenshot of photo: web3assignments
 
    9) Store source here: web3assignments  































Day 6 Wed: 4-12-2019

(TOC) Summarize everything sofar. The second part is an interactive coding session.

Preparations Sheets Assignments
  record_day6a
record_day6b
See assignments of day 5
  general_day6  
  repeat_sh  
  end2end_sh  































Day 7 Mon: 9-12-2019

(TOC) Truffle / Oracle

Preparations Video & sheets Assignments Background info
Read: mast_eth_11_Oracles record_day7a
record_day7b
1) Instal truffle (see install_sw) truffle_docs
Follow: cryptozombies_4_Zombie_Battle_System general_day7 2) Install git cmdline and hdwallet-provider (see install_sw)  
  truffle_sh 3) Install bip39 (see install_sw)  
  truffle_pack 4) Create mnemonic  
  oracles_sh 5) Signup for a Infura key (seeinfura_reg)  
    6) Adapt truffle-config.js, refer secrets  
    7) Transfer test eth to account of mnemonic  
    8) Experiment with truffle  
    9) Adapt your smart contract to work with truffle  
Watch: provable_video   10) Watch videos: provable_video provable_docs
    11) Experiment with provable in remix (see provable_ex)  
    12) Experiment with provable in truffle (see provable_truffle)  
    13) Adapt your smart contract to use an oracle & truffle  
    14) Store resulting directory tree here: web3assignments  































Day 8 Wed: 11-12-2019

(TOC) Solidity best practices / upgradability

Preparations Video & sheets Assignments Background info
See background info record_day8 1) Scan the background info documents
goal: be aware of the different pattern areas
consensys_best
  general_day8 2) Try out the pattern examples
(see pattern_ex)
maxwoe_pattern
  patterns_sh 3) Select an upgrade mechanism and
one (1) other pattern store reason why you chose this
in web3assignments
i6mi6_pattern
    4) Implement upgrade mechanism and
one (1) other pattern in your smart contracts,
store results in web3assignments
fravoll_pattern
    5) Verify you smart contract on etherscan,
store prove: web3assignments
scottworks_pattern
      sol_pattern
      pautasso































Day 9 Mon: 16-12-2019

(TOC) Tokens (ERC20 / ERC721 / ERC777)

Preparations Video & sheets Assignments
  record_day9  
Follow: cryptozombies_5_ERC721_Crypto_Collectibles general_day9 Create a fungible token contract on rinkeby, store proof on web3assignments
Read: mast_eth_10_Tokens erc20_sh Sent a few fungible tokens to 0xEA9a7c7cD8d4Dc3acc6f0AaEc1506C8D6041a1c5
  erc721_sh Create a non fungible token contract + image on rinkeby, store proof on web3assignments
  erc777_sh Mint a token and check it’s visible on OpenSea, store proof on web3assignments
    Sent a non fungible token to 0xEA9a7c7cD8d4Dc3acc6f0AaEc1506C8D6041a1c5































Day 10 Wed: 18-12-2019

(TOC) IPFS

Preparations Video & sheets Assignments Background info
  record_day10    
  general_day10 1) Run ipfs via Grid ipfs_io
  ipfs_sh 2) Install ipfs-companion and experiment  
    3) Create website to store &
retrieve files on IPFS,
store site in web3assignments
 
    4) Run this website via IPFS (store link in web3assignments )  
    5) Bonus assignment: connect to domainname via _dnslink, store link in web3assignments  































Day 11 Mon: 6-1-2020

(TOC) Security & Key management

Preparations Sheets Assignments
Read: mast_eth_09_Smart_contract_Security record_day11 Study swc_reg & test a few testcases with remix
  general_day11 Study scsvs
  security_sh Adapt your smart contract with access control, store results here: web3assignments
    Install surya & graphviz (see install_sw) and make drawings of your smart contracts, store results here: web3assignments
  key_management_sh Make a treath model drawing of your dapp, store results here: web3assignments
    Make an advice for users of your dapp for key management (text), store results here: web3assignments































Day 12 Wed: 8-1-2020

(TOC) Testing / code quality / natpec / verify / audit

Preparations Video & sheets Assignments
  record_day12 Add (at least 5) unit tests to your smart contract (either via remix, truffle solidity or truffle javascript). Store updated smart contract here: web3assignments
  general_day12 Run unit tests, make screen capture of result and store: web3assignments
  tests Add natspec comments to your smart contract and store: web3assignments
  layout Run Remix Static analysis on your smart contract, store proof: web3assignments
  sectests Run Remix Mythx on your smart contract, store proof: web3assignments
    Run SmartCheck (see install_sw) on your smart contract, store proof: web3assignments
    Install ethlint (see install_sw) and run ethlint on your smart contract, store proof: web3assignments































Day 13 Mon: 13-1-2020

(TOC) Ethereum Name Service

Preparations Video & sheets Assignments
Follow: mast_eth_12_Decentralized_Applications record_day13 register ENS name (on testnetwork), connect it to your smart contract, use it in your website to address the contract; store updated sources: web3assignments
  general_day13 register ENS name (on testnetwork), connect it to your IPFS site, use to access the website. Store name & screen shot: web3assignments
  ens experiment with Solidity 6 constructions.
  solidity6  































Day 14 Wed: 15-1-2020

(TOC) Multisigs and Wallets

Preparations Video & sheets Assignments
  record_day14 Create gnosis multisig for teams (on rinkeby), send some test eth and send it back. Store proof on: web3assignments
  general_day14 Install gnosis safe (chrome plugin & mobile app) (the gnosis safe android version for rinkeby can be found here: https://github.com/gnosis/safe-android/releases )
  multisig Implement web3connect in your app
  wallets Connect to your app via gnosis safe & web3connect. Check your app functions as expectected (and fix if neccesary), store updated source & proof of tests: web3assignments
    Verify that mnemonic of your metamask leads to your ethereum address via get_address_from_mnemonic.js (no need to store)































Day 15 Wed: 22-1-2020

(TOC) Combine everything

Preparations Sheets Assignments
- general_day15 Combine everything you have learned to create a usable dapp, store results here: web3assignments
  arch_complete  





























































Other resources

Here you can find other resources: