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Hotbuns

Bitcoin full node in TypeScript on Bun

TypeScript

About

A complete Bitcoin full node in TypeScript running on the Bun runtime. Features parallel signature verification, HD wallet support, and Bitcoin Core-compatible RPC.

Completion 95%

Mainnet sync

At Chain Tip
100%
Block height
948,374
Sync rate
At tip
Test vectors
1222/1222

Tech stack

Language
TypeScript
Storage
LevelDB
Crypto
libsecp256k1 (C FFI)
Lines of code
56,200

Quick start

terminal
$ git clone https://github.com/hashhog/hotbuns.git
$ cd hotbuns
$ bun install
$ bun run src/index.ts --network=mainnet

Features

✓ Wire serialization
✓ Cryptographic primitives
✓ Script interpreter
✓ P2P networking
✓ Block validation
✓ UTXO set management
✓ Header sync
✓ Block sync (IBD)
✓ Mempool
✓ RPC server
✓ Wallet
✓ Mining/block templates
✓ Script test vectors (1222/1222)
✓ Testnet4 sync
✓ Mainnet sync
✓ BIP324 v2 transport
✓ BIP-39 mnemonic
✓ HD wallet (BIP-32/44)
✓ Taproot signing (BIP-340/341)
○ Tapscript signing (BIP-342)