created BE and FE for bitcoin blockchain simulator. #13
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axatbhardwaj
suggested changes
Aug 18, 2024
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| mineBlock() { | ||
| if (this.pendingTransactions.length === 0) { | ||
| console.log('[MINER] No pending transactions to mine'); |
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A blockchain always , mines a block even if there are no txns to mine
| constructor() { | ||
| this.blockchain = []; | ||
| this.pendingTransactions = []; | ||
| this.difficulty = 4; |
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keeping a fixed difficulty number will make managing average block-times impossible
| constructor() { | ||
| this.blockchain = []; | ||
| this.pendingTransactions = []; | ||
| this.difficulty = 4; |
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The difficulty should not be fixed
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Make sure to handle and verify signature while accepting TXNS
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Created a simple Bitcoin simulator.
Central server:
✅ A central WebSocket server that all miners connect to exchange messages
Miner server:
✅ Code that miners can run to create blocks, do proof of work, and broadcast the block via the central server
✅ Code that verifies the signature, balances, and creates/adds a block
✅ Code should reject smaller blockchains/erroneous blocks
✅ Should be able to catch up to the blockchain when the server starts
Frontend:
✅ Lets the user create a BTC wallet
✅ Lets the user sign a transaction, send it over to one of the miner servers
Tech stack:
✅ Node.js for the servers
✅ React for the frontend
Demo -
https://drive.google.com/file/d/1LkFfTxJB8vStZzXOCRMhFJYoqmJqTfxp/view?usp=sharing
Project Setup