bitcoin-bolt11

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A PHP library for decoding lightning network payment requests as defined in BOLT #11.

bitcoin-bolt11 최신버젼 다운로드

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// repository documentation

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# A PHP library for BOLT #11: Invoice Protocol for Lightning Payments

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This library aims to be a tool to decode BOLT #11 Payment Requests into usable PHP objects. Currently, only decoding is supported.

BOLT #11 is a simple, extendable, QR-code-ready protocol for requesting payments over Lightning.

## Installation

```shell
$ composer require jorijn/bitcoin-bolt11
```

## Usage

```php
$invoice = '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';

$decoder = new \Jorijn\Bitcoin\Bolt11\Encoder\PaymentRequestDecoder();
$denormalizer = new \Jorijn\Bitcoin\Bolt11\Normalizer\PaymentRequestDenormalizer();

$paymentRequest = $denormalizer->denormalize($decoder->decode($invoice));

// satoshis: 967878
echo 'satoshis: ' . $paymentRequest->getSatoshis();

// description: Blockstream Store: 88.85 USD for Blockstream Ledger Nano S x 1, "Back In My Day" Sticker x 2, "I Got Lightning Working" Sticker x 2 and 1 more items
echo 'description: ' . $paymentRequest->findTagByName(\Jorijn\Bitcoin\Bolt11\Model\Tag::DESCRIPTION)->getData();

// timestamp: DateTime Object
// (
//     [date] => 2019-10-30 20:51:43.000000
//     [timezone_type] => 1
//     [timezone] => +00:00
// )
echo 'timestamp: ' . print_r($paymentRequest->getTimestampDateTime(), true);

// hop: 0
// public key: 029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255
// short channel id: 0102030405060708
// fee base msat: 1
// fee proportional millionths 20
// cltv expiry delta: 3
foreach ($paymentRequest->findTagByName(\Jorijn\Bitcoin\Bolt11\Model\Tag::ROUTING_INFO)->getData() as $hop => $routingInfo) {
    echo 'hop: ' . $hop;
    echo 'public key: ' . $routingInfo->getPubKey();
    echo 'short channel id: ' . $routingInfo->getShortChannelId();
    echo 'fee base msat: ' . $routingInfo->getFeeBaseMsat();
    echo 'fee proportional millionths ' . $routingInfo->getFeeProportionalMillionths();
    echo 'cltv expiry delta: ' . $routingInfo->getCltvExpiryDelta();
}
```

More examples are available in the [examples](examples) directory.

## Warning

The `->getSatoshis()` method will only return a valid number if the invoice is for a whole number of satoshis. If it is in a fractional number of satoshis, and the method returns NULL, the `->getMilliSatoshis()` method must be used. 1000 millisatoshis is 1 satoshi.

## Thanks

This library is based on other BOLT #11 libraries from other programming languages. Special thanks to:

* https://github.com/lightningnetwork/lnd/blob/master/zpay32/decode.go
* https://github.com/bitcoinjs/bolt11
* https://github.com/nievk/bolt11

## CLI tool

There is a CLI tool based on this library. It allows for easy decoding and converting of payment requests into JSON, XML, YAML & CSV. Download and usage here: https://github.com/Jorijn/bitcoin-bolt11-cli

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