blockchain_utils 1.5.0

Comprehensive Crypto & Blockchain Toolkit, Pure Dart, Cross-Platform, Encoding, Cryptography, Addresses, Mnemonics, & More.

blockchain_utils

Discover a versatile and powerful cryptographic toolkit, carefully crafted in pure Dart to serve developers, businesses, and blockchain enthusiasts across multiple platforms. This package offers a wide array of essential features, including encoding/decoding for various data formats, support for numerous blockchain addresses, robust cryptographic algorithms, mnemonic management, and more – all without relying on external dependencies. Whether you're securing private keys, interacting with blockchain networks, or ensuring data integrity, this cross-platform solution simplifies your crypto journey. Experience a comprehensive set of tools designed to meet your diverse encoding, cryptography, and blockchain needs on iOS, Android, the web, Linux, and beyond.

Features

Encoding and Decoding:

1. Base32 Encoding/Decoding: Represent binary data with custom character sets for various encoding needs.

2. SS58 Encoding/Decoding: Encode Substrate-based blockchain addresses and public keys in a compact and human-readable format.

3. Base58 and Base58 XMR Encoding/Decoding: Efficiently encode binary data, with Base58 XMR tailored for Monero addresses.

4. Base58Check Encoding/Decoding: Supports checksum creation and verification in blockchain-related data.

5. Bech32 Encoding/Decoding: Including Bech32 for Bitcoin Cash (BCH) and Bech32 SegWit addresses, offering improved error detection and readability for blockchain addresses.

6. Hex Encoding/Decoding: Encode binary data as hexadecimal and decode it back.

7. Web3 Secret Storage Definition: Securely store and manage private keys using the Web3 Secret Storage format.

8. UUIDv4 Generation: Generate random UUIDs (Universally Unique Identifiers) following the UUIDv4 standard.

Blockchain Address Encoding/Decoding:

• Zilliqa (ZIL)
• Tezos (XTZ)
• Ripple (XRP)
• Monero (XMR)
• Substrate address
• Solana (SOL)
• P2WPKH
• P2TR
• P2SH
• Bitcoin Cash P2PKH
• Harmony (ONE)
• OKEx
• Neo
• NEAR
• Nano
• Injective
• ICON
• Filecoin
• Ethereum
• Ergo
• EOS
• Elrond
• AVAX
• Atom
• Aptos
• Algorand
• Ada Shelley
• Ada Byron

Binary Data:

9. CBOR Encoding/Decoding: Compact representation of structured data with cross-language compatibility.

Cryptographic Algorithms:

10. Cryptographic Algorithms and Operations:
    • AES (Advanced Encryption Standard)
    • ChaCha
    • ChaCha20Poly1305
    • CRC32 (Cyclic Redundancy Check)
    • CTR mode (Counter mode)
    • ECB mode (Electronic Codebook mode)
    • GCM (Galois/Counter Mode)
    • HMAC (Hash-based Message Authentication Code)
    • PBKDF2 (Password-Based Key Derivation Function 2)
    • Poly1305
    • scrypt (Password-based Key Derivation Function)
    • XModem CRC
    • Blake2b
    • Keccak
    • MD4 (Message Digest 4)
    • MD5 (Message Digest 5)
    • Rijndael (AES)
    • SHA (Secure Hash Algorithm)
    • SHA224
    • SHA256
    • SHA384
    • SHA512

These algorithms provide a wide range of cryptographic functions, including encryption, decryption, message authentication, hashing, and more, to enhance security and data integrity in applications.

Protocols:

11. Strobe Protocol: A framework for cryptographic protocols, providing simplicity and compatibility for a variety of devices.

Zero-Knowledge Proofs:

12. Merlin Transcript: A STROBE-based transcript construction for zero-knowledge proofs.

Schnorrkel-based Cryptography:

13. Schnorrkel-based Cryptographic Operations: Includes Schnorrkel for signing, verification, key management, and more.

Blockchain Support:

14. BIP39 Mnemonic Generation and Management: Generate BIP39-compliant mnemonic phrases and manage cryptographic keys derived from them.

15. Substrate Key, Address, and Coin Management: Efficiently manage keys and addresses in Substrate-based blockchains.

16. Monero Key, Address, and Coin Management: Handle Monero cryptocurrency with support for key management, address derivation, and Monero mnemonics.

17. BIP32 Multi-Curve Key Derivation and Address Management: Derive keys across multiple cryptographic curves with BIP32 compliance.

18. SLIP10 Key Derivation and Management: Advanced key derivation capabilities.

19. BIP38 Secure Paper Wallets: Encrypt private keys to safeguard cryptocurrency assets.

20. BIP44 Key, Address, and Coin Management: Manage keys, derive addresses, and handle various coins in compliance with the BIP44 standard.

21. BIP49 Key, Address, and Coin Management: Similar to BIP44, with compliance to the BIP49 standard.

22. BIP84 Key, Address, and Coin Management: Manage keys, derive addresses, and handle various coins, complying with the BIP84 standard.

23. BIP86 Key, Address, and Coin Management: Manage keys, derive addresses, and handle various coins, complying with the BIP84 standard.

24. Electrum Mnemonic V1 and V2 with Key and Address Management: Support for both Electrum Mnemonic V1 and V2, including SegWit and Standard transactions.

These features make your package a comprehensive solution for encoding, cryptography, blockchain management, BIP39 mnemonic support, and diverse blockchain address encoding and decoding needs.

Example: Explore Our Toolkit

Discover the capabilities of our comprehensive crypto and blockchain toolkit through interactive tests. Visit our test page to access thousands of examples, showcasing pure Dart's cross-platform functionality. Learn encoding, cryptography, address management, mnemonics, and more.

Contributing

Contributions are welcome! Please follow these guidelines:

• Fork the repository and create a new branch.
• Make your changes and ensure tests pass.
• Submit a pull request with a detailed description of your changes.

Feature requests and bugs

Please file feature requests and bugs in the issue tracker.