Proof of Work & UTXO Blockchain with web API

Port 5000 by default:

cd blockchain_server && go run .

Or set port manually

cd blockchain_server && go run . -port <PORT>

API Routes

GET /printchain

• Description: Returns all blocks in the blockchain.
• Response: JSON array of all blocks.

GET /newaccount

• Description: Creates a new account and adds it to the wallet.
• Response: JSON representation of the new account.

GET /loadwallet

• Description: Loads and prints the wallet information.
• Response: JSON representation of the wallet information.

GET /getblock

• Description: Retrieves a block by its hash.
• Query Parameters:
  • hash: The hash of the block to retrieve.
• Response: JSON representation of the block.

GET /gettxn

• Description: Retrieves a transaction by its ID.
• Query Parameters:
  • id: The ID of the transaction to retrieve.
• Response: JSON representation of the transaction.

POST /addtxn

• Description: Adds a new transaction to the blockchain.
• Request Body: JSON object containing from, to, and amount fields.
• Response: JSON representation of the added transaction.

GET /utxoset

• Description: Retrieves the unspent transaction outputs (UTXOs) for a given address.
• Query Parameters:
  • address: The address to query UTXOs for.
• Response: JSON array of UTXOs.

GET /balance

• Description: Retrieves the balance for a given address.
• Query Parameters:
  • address: The address to query the balance for.
• Response: JSON object with the balance.

GET /reindex

• Description: Reindexes the UTXO set.
• Response: JSON object with the count of transactions in the UTXO set.

Credit goes to Tensor for laying the foundation:

https://github.com/tensor-programming/golang-blockchain