Want to interact with the Bitcoin network through a DIY app? Look no further, this library is about doing it with Elixir in a very abstract way. It keeps the cryptography jargon to a minimum, while sticking to the Bitcoin glossary.
The easiest way to start is to try the wallet operations livebook.
This library is being built in the wild according to these principles
- Free to use
- Developer friendly
- Modular
Arguably, the most important part is that it is unbiased.
If you want to keep it that way, and want to promote its active development, please send donations
here: bc1qs0hd8wws09jm68fg4ymnsdvxdjggsg3jg09xh4
That address, along with the private key that goes with it have both been created using the current lib. The same will apply for very transaction created to spend said funds.
Thank you!
First, make sure you've got elixir set up and that you know the language's basics.
Then, create a project and add the dependency in mix.exs.
def deps do
[
{:bitcoinlib, "~> 0.4.7"}
]
endFinally, head to the private key creation documentation to get started.
Here are the most useful links
- Generate entropy with dice rolls
- Create private keys
- Derive public keys from private keys
- Handle Hierarchical Deterministic (HD) Wallets, including
- Seed Phrases
- Derivation Paths
- Serialize/Deserialize Private Keys (
xprv,yprv,zprv) - Serialize/Deserialize Public Keys (
xpub,ypub,zpub) - Generate Addresses
- Sign P2PKH transactions
- Sign Transactions (PSBT)
- Taproot support
| Address Type | Description | Starts With | Supported |
|---|---|---|---|
| P2PKH | Pay to Primary Key Hash | 1 |
✅ |
| P2WPKH-nested-in-P2SH | Nested Segwit | 3 |
✅ |
| P2WPKH | Native Segwit | bc1q |
✅ |
| P2TR | Taproot | bc1p |
Eventually... |
A bip is a Bitcoin Improvement Proposal. Here is a list of those that are at least partially implemented in this library:
- bip13 - Address Format for pay-to-script-hash
- bip16 - Pay to Script Hash
- bip32 - Hierarchical Deterministic Wallets
- bip39 - Mnemonic code for generating deterministic keys
- bip44 - Multi-Account Hierarchy for Deterministic Wallets
- bip49 - Derivation scheme for P2WPKH-nested-in-P2SH based accounts
- bip84 - Derivation scheme for P2WPKH based accounts
- bip141 - Segregated Witness (Consensus layer)
- bip144 - Segregated Witness (Peer Services)
- bip173 - Base32 address format for native v0-16 witness outputs
- bip174 - Partially Signed Bitcoin Transaction Format
- bip370 - PSBT Version 2
$ mix deps.get
$ mix test
$ mix dialyzer
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