├── IIIT Delhi Workshop
├── README.md
└── vyperverse-delhi.vy


/IIIT Delhi Workshop:
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 1 | # @version 0.4.1
 2 | #pragma evm-version cancun
 3 | 
 4 | event FavoriteNumberSet:
 5 |     user: indexed(address)
 6 |     number: uint256
 7 | 
 8 | event FavoritePersonSet:
 9 |     user: indexed(address)
10 |     person: indexed(address)
11 | 
12 | event ContractWithdrawal:
13 |     amount: uint256
14 | 
15 | favorite_numbers: public(HashMap[address, uint256])
16 | favorite_people: public(HashMap[address, address])
17 | owner: public(address)
18 | 
19 | @deploy
20 | def __init__():
21 |     self.owner = msg.sender
22 |     self.favorite_numbers[msg.sender] = 42
23 |     log FavoriteNumberSet(user=msg.sender, number=42)
24 | 
25 | @external
26 | @payable
27 | def donate():
28 |     pass
29 | 
30 | @external
31 | def set_number(new_number: uint256):
32 |     assert new_number > 0, "Invalid number"
33 |     self.favorite_numbers[msg.sender] = new_number
34 |     log FavoriteNumberSet(user=msg.sender, number=new_number)
35 | 
36 | @external
37 | def set_person(person_address: address):
38 |     assert person_address != empty(address), "Invalid address"
39 |     self.favorite_people[msg.sender] = person_address
40 |     log FavoritePersonSet(user=msg.sender, person=person_address)
41 | 
42 | @external
43 | @view
44 | def check_number_match(other_user: address) -> bool:
45 |     return self.favorite_numbers[msg.sender] == self.favorite_numbers[other_user]
46 | 
47 | @external
48 | def withdraw():
49 |     assert msg.sender == self.owner, "Unauthorized"
50 |     balance: uint256 = self.balance
51 |     send(msg.sender, balance)
52 |     log ContractWithdrawal(amount=balance)
53 | 


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/README.md:
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  1 | 
  2 | 
  3 | # Vyper Workshop Contract Delhi
  4 | 
  5 | A beginner-friendly smart contract template for learning Vyper development. **Deploy on any EVM chain** using Remix IDE!
  6 | 
  7 | ---
  8 | 
  9 | ## Features ✨
 10 | - Store favorite numbers/people
 11 | - Donation functionality
 12 | - Withdraw funds (owner only)
 13 | - **Your Custom Intro & Feedback** (mandatory!)
 14 | - Works on multiple EVM chains
 15 | 
 16 | ---
 17 | 
 18 | ## Prerequisites ✅
 19 | 1. [MetaMask](https://metamask.io/) installed
 20 | 2. Testnet tokens (get from faucets below ⬇️)
 21 | 
 22 | ---
 23 | 
 24 | ## Deployment Steps 🛠️
 25 | 
 26 | ### 1. Open Remix IDE
 27 | Visit [Remix IDE](https://remix.ethereum.org) in your browser.
 28 | 
 29 | ---
 30 | 
 31 | ### 2. Create a New File
 32 | 1. In the **File Explorer**, click `+` to create a new file.
 33 | 2. Name it `Favorites.vy`.
 34 | 3. Copy-paste the contract code into the file.
 35 | 
 36 | ---
 37 | 
 38 | ### 3. Customize the Contract
 39 | Before deploying, replace the placeholders in the contract with your personal details:
 40 | ```python
 41 | # ---------------------- USER CUSTOMIZATION START ----------------------
 42 | user_intro: public(String[50]) = "YOUR_INTRODUCTION_HERE"
 43 | # Example: "Web3 developer from Berlin building DeFi projects"
 44 | 
 45 | user_feedback: public(String[100]) = "YOUR_FEEDBACK_HERE"
 46 | # Example: "Excellent workshop! Learned Vyper best practices and deployment."
 47 | # ----------------------- USER CUSTOMIZATION END -----------------------
 48 | ```
 49 | ❗ **Mandatory**: You must replace `YOUR_INTRODUCTION_HERE` and `YOUR_FEEDBACK_HERE` before deploying.
 50 | 
 51 | ---
 52 | 
 53 | ### 4. Compile the Contract
 54 | 1. Go to the **Solidity Compiler** tab (yes, it works for Vyper too!).
 55 | 2. Select **Vyper Compiler** from the dropdown.
 56 | 3. Set the compiler version to `0.4.1`.
 57 | 4. Click **Compile Favorites.vy**.
 58 | 
 59 | ---
 60 | 
 61 | ### 5. Deploy to a Testnet
 62 | 1. Go to the **Deploy & Run Transactions** tab.
 63 | 2. Select **Injected Provider - MetaMask** as your environment.
 64 | 3. Ensure MetaMask is connected to your desired testnet:
 65 |    - Celo Testnet: [RPC URL](https://alfajores-forno.celo-testnet.org)
 66 |    - Monad Testnet: [RPC URL](https://testnet-rpc.monad.xyz)
 67 |    - Berachain Testnet: [RPC URL](https://testnet-rpc.berachain.com)
 68 |    - Ethereum Sepolia: [RPC URL](https://rpc.sepolia.org)
 69 | 
 70 | 4. Click **Deploy**, confirm the transaction in MetaMask, and wait for it to be mined.
 71 | 
 72 | ---
 73 | 
 74 | ### 6. Get Testnet Tokens 💧
 75 | | Network     | Faucet Link                          |
 76 | |-------------|--------------------------------------|
 77 | | Celo        | https://faucet.celo.org/             |
 78 | | Monad       | https://faucet.monad.xyz             |  
 79 | | Berachain   | https://faucet.berachain.com         |
 80 | | Ethereum    | https://sepoliafaucet.com            |
 81 | 
 82 | ---
 83 | 
 84 | ### 7. Verify Your Contract ✅
 85 | 1. After deployment, copy your contract address.
 86 | 2. Visit chain explorer:
 87 |    - Celo: https://explorer.celo.org/alfajores
 88 |    - Monad: https://testnet-explorer.monad.xyz
 89 |    - Berachain: https://testnet-scan.berachain.com
 90 |    - Ethereum Sepolia: https://sepolia.etherscan.io
 91 | 
 92 | 3. Verify with:
 93 |    - Contract code (copy from `Favorites.vy`)
 94 |    - Compiler version: 0.4.1
 95 |    - EVM version: Cancun
 96 | 
 97 | ---
 98 | 
 99 | ## Customization Guide 🎨
100 | 
101 | ### Mandatory Changes (For Proof of Work)
102 | ```
103 | # In Favorites.vy:
104 | user_intro: public(String[50]) = "Your intro here"  
105 | user_feedback: public(String[100]) = "Your feedback here"
106 | ```
107 | ❗ Contract won't deploy until you add these!
108 | 
109 | ### Optional Changes
110 | ```
111 | # Change default favorite number (Line 31)
112 | self.favorite_numbers[msg.sender] = 42  # ← Change 42 to your lucky number
113 | ```
114 | 
115 | ---
116 | 
117 | ## Need Help? 🤔
118 | 
119 | Common Issues:
120 | 1. **Transaction Stuck?** Increase gas price in MetaMask.
121 | 2. **Verification Failed?** Double-check compiler version.
122 | 3. **No Funds?** Wait 5 mins after using faucet.
123 | 
124 | ---
125 | 
126 | ## License & Attribution 📜
127 | 
128 | This smart contract development workshop was designed and led by [Prakhar Tripathi](https://x.com/he2plus), India, as part of the Web3 Developer Workshop Series.
129 | 
130 | ```
131 | SPDX-License-Identifier: MIT
132 | ```
133 | 
134 | ---
135 | 
136 | ## Contribute 🙌
137 | 
138 | Found an issue or want to improve this template? Fork this repo and submit PRs to:
139 | `https://github.com/he2plus/vyper-workshop-delhi`
140 | 
141 | ---
142 | 
143 | This README ensures users can easily deploy your contract on Remix IDE across multiple EVM-compatible blockchains while leaving attribution and proof of work intact! 🚀
144 | 
145 | ---
146 | Answer from Perplexity: pplx.ai/share
147 | 


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/vyperverse-delhi.vy:
--------------------------------------------------------------------------------
 1 | # @version 0.4.1
 2 | #pragma evm-version cancun
 3 | 
 4 | # ==============================================================
 5 | # This smart contract development workshop was designed and lead
 6 | # by Prakhar Tripathi [https://x.com/he2plus], India
 7 | # ==============================================================
 8 | 
 9 | # ---------------------- USER CUSTOMIZATION START ----------------------
10 | # >>> REQUIRED: Replace below with your personal introduction (max 50 chars)
11 | user_intro: public(String[50]) = "YOUR_INTRODUCTION_HERE"
12 | # Example: "Web3 developer from Berlin building DeFi projects"
13 | 
14 | # >>> REQUIRED: Replace below with your feedback (max 100 chars)
15 | user_feedback: public(String[100]) = "YOUR_FEEDBACK_HERE"
16 | # Example: "Excellent workshop! Learned Vyper best practices and deployment."
17 | # ----------------------- USER CUSTOMIZATION END -----------------------
18 | 
19 | event FavoriteNumberSet:
20 |     user: indexed(address)
21 |     number: uint256
22 | 
23 | event FavoritePersonSet:
24 |     user: indexed(address)
25 |     person: indexed(address)
26 | 
27 | event ContractWithdrawal:
28 |     amount: uint256
29 | 
30 | favorite_numbers: public(HashMap[address, uint256])
31 | favorite_people: public(HashMap[address, address])
32 | owner: public(address)
33 | 
34 | @deploy
35 | def __init__():
36 |     # Validate user customization
37 |     assert len(self.user_intro) > 0, "Add your introduction!"
38 |     assert len(self.user_feedback) > 0, "Add your feedback!"
39 |     
40 |     # Original contract logic
41 |     self.owner = msg.sender
42 |     self.favorite_numbers[msg.sender] = 42
43 |     log FavoriteNumberSet(user=msg.sender, number=42)
44 | 
45 | @external
46 | @payable
47 | def donate():
48 |     pass
49 | 
50 | @external
51 | def set_number(new_number: uint256):
52 |     assert new_number > 0, "Invalid number"
53 |     self.favorite_numbers[msg.sender] = new_number
54 |     log FavoriteNumberSet(user=msg.sender, number=new_number)
55 | 
56 | @external
57 | def set_person(person_address: address):
58 |     assert person_address != empty(address), "Invalid address"
59 |     self.favorite_people[msg.sender] = person_address
60 |     log FavoritePersonSet(user=msg.sender, person=person_address)
61 | 
62 | @external
63 | @view
64 | def check_number_match(other_user: address) -> bool:
65 |     return self.favorite_numbers[msg.sender] == self.favorite_numbers[other_user]
66 | 
67 | @external
68 | def withdraw():
69 |     assert msg.sender == self.owner, "Unauthorized"
70 |     balance: uint256 = self.balance
71 |     send(msg.sender, balance)
72 |     log ContractWithdrawal(amount=balance)
73 | 


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