Files
breez-sdk-liquid/lib/core/src/model.rs
Daniel Granhão ca23206ae8 WASM: end-to-end-test support (#846)
* Wasm: end-to-end-test support

* Update testing dev docs

* Expose Arc in prelude

* Switch to waterfalls fork

* Set node version
2025-04-24 09:43:55 +01:00

2477 lines
86 KiB
Rust

use anyhow::{anyhow, bail, Result};
use bitcoin::{bip32, ScriptBuf};
use boltz_client::{
boltz::{ChainPair, BOLTZ_MAINNET_URL_V2, BOLTZ_REGTEST, BOLTZ_TESTNET_URL_V2},
network::{BitcoinChain, Chain, LiquidChain},
swaps::boltz::{
CreateChainResponse, CreateReverseResponse, CreateSubmarineResponse, Leaf, Side, SwapTree,
},
BtcSwapScript, Keypair, LBtcSwapScript,
};
use derivative::Derivative;
use elements::AssetId;
use lwk_wollet::ElementsNetwork;
use maybe_sync::{MaybeSend, MaybeSync};
use rusqlite::types::{FromSql, FromSqlError, FromSqlResult, ToSqlOutput, ValueRef};
use rusqlite::ToSql;
use sdk_common::bitcoin::hashes::hex::ToHex as _;
use sdk_common::prelude::*;
use sdk_common::utils::Arc;
use serde::{Deserialize, Serialize};
use std::cmp::PartialEq;
use std::path::PathBuf;
use std::str::FromStr;
use strum_macros::{Display, EnumString};
use crate::receive_swap::DEFAULT_ZERO_CONF_MAX_SAT;
use crate::utils;
use crate::{
bitcoin,
chain::{bitcoin::BitcoinChainService, liquid::LiquidChainService},
elements,
error::{PaymentError, SdkError, SdkResult},
};
use crate::{
chain::bitcoin::esplora::EsploraBitcoinChainService,
chain::liquid::esplora::EsploraLiquidChainService, prelude::DEFAULT_EXTERNAL_INPUT_PARSERS,
};
// Uses f64 for the maximum precision when converting between units
pub const LIQUID_FEE_RATE_SAT_PER_VBYTE: f64 = 0.1;
pub const LIQUID_FEE_RATE_MSAT_PER_VBYTE: f32 = (LIQUID_FEE_RATE_SAT_PER_VBYTE * 1000.0) as f32;
pub const BREEZ_SYNC_SERVICE_URL: &str = "https://datasync.breez.technology";
pub const BREEZ_LIQUID_ESPLORA_URL: &str = "https://lq1.breez.technology/liquid/api";
const SIDESWAP_API_KEY: &str = "97fb6a1dfa37ee6656af92ef79675cc03b8ac4c52e04655f41edbd5af888dcc2";
#[derive(Clone, Debug, Serialize)]
pub enum BlockchainExplorer {
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
Electrum { url: String },
Esplora {
url: String,
/// Whether or not to use the "waterfalls" extension
use_waterfalls: bool,
},
}
/// Configuration for the Liquid SDK
#[derive(Clone, Debug, Serialize)]
pub struct Config {
pub liquid_explorer: BlockchainExplorer,
pub bitcoin_explorer: BlockchainExplorer,
/// Directory in which the DB and log files are stored.
///
/// Prefix can be a relative or absolute path to this directory.
pub working_dir: String,
/// Directory in which the Liquid wallet cache is stored. Defaults to `working_dir`
pub cache_dir: Option<String>,
pub network: LiquidNetwork,
/// Send payment timeout. See [LiquidSdk::send_payment](crate::sdk::LiquidSdk::send_payment)
pub payment_timeout_sec: u64,
/// The url of the real-time sync service. Defaults to [BREEZ_SYNC_SERVICE_URL]
/// Setting this field to `None` will disable the service
pub sync_service_url: Option<String>,
/// Maximum amount in satoshi to accept zero-conf payments with
/// Defaults to [DEFAULT_ZERO_CONF_MAX_SAT]
pub zero_conf_max_amount_sat: Option<u64>,
/// The Breez API key used for making requests to the sync service
pub breez_api_key: Option<String>,
/// A set of external input parsers that are used by [LiquidSdk::parse](crate::sdk::LiquidSdk::parse) when the input
/// is not recognized. See [ExternalInputParser] for more details on how to configure
/// external parsing.
pub external_input_parsers: Option<Vec<ExternalInputParser>>,
/// The SDK includes some default external input parsers
/// ([DEFAULT_EXTERNAL_INPUT_PARSERS](crate::sdk::DEFAULT_EXTERNAL_INPUT_PARSERS)).
/// Set this to false in order to prevent their use.
pub use_default_external_input_parsers: bool,
/// For payments where the onchain fees can only be estimated on creation, this can be used
/// in order to automatically allow slightly more expensive fees. If the actual fee rate ends up
/// being above the sum of the initial estimate and this leeway, the payment will require
/// user fee acceptance. See [WaitingFeeAcceptance](PaymentState::WaitingFeeAcceptance).
///
/// Defaults to zero.
pub onchain_fee_rate_leeway_sat_per_vbyte: Option<u32>,
/// A set of asset metadata used by [LiquidSdk::parse](crate::sdk::LiquidSdk::parse) when the input is a
/// [LiquidAddressData] and the [asset_id](LiquidAddressData::asset_id) differs from the Liquid Bitcoin asset.
/// See [AssetMetadata] for more details on how define asset metadata.
/// By default the asset metadata for Liquid Bitcoin and Tether USD are included.
pub asset_metadata: Option<Vec<AssetMetadata>>,
/// The SideSwap API key used for making requests to the SideSwap payjoin service
pub sideswap_api_key: Option<String>,
}
impl Config {
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
pub fn mainnet(breez_api_key: Option<String>) -> Self {
Config {
liquid_explorer: BlockchainExplorer::Electrum {
url: "elements-mainnet.breez.technology:50002".to_string(),
},
bitcoin_explorer: BlockchainExplorer::Electrum {
url: "bitcoin-mainnet.blockstream.info:50002".to_string(),
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Mainnet,
payment_timeout_sec: 15,
sync_service_url: Some(BREEZ_SYNC_SERVICE_URL.to_string()),
zero_conf_max_amount_sat: None,
breez_api_key,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: Some(SIDESWAP_API_KEY.to_string()),
}
}
pub fn mainnet_esplora(breez_api_key: Option<String>) -> Self {
Config {
liquid_explorer: BlockchainExplorer::Esplora {
url: BREEZ_LIQUID_ESPLORA_URL.to_string(),
use_waterfalls: true,
},
bitcoin_explorer: BlockchainExplorer::Esplora {
url: "https://blockstream.info/api/".to_string(),
use_waterfalls: false,
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Mainnet,
payment_timeout_sec: 15,
sync_service_url: Some(BREEZ_SYNC_SERVICE_URL.to_string()),
zero_conf_max_amount_sat: None,
breez_api_key,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: Some(SIDESWAP_API_KEY.to_string()),
}
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
pub fn testnet(breez_api_key: Option<String>) -> Self {
Config {
liquid_explorer: BlockchainExplorer::Electrum {
url: "elements-testnet.blockstream.info:50002".to_string(),
},
bitcoin_explorer: BlockchainExplorer::Electrum {
url: "bitcoin-testnet.blockstream.info:50002".to_string(),
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Testnet,
payment_timeout_sec: 15,
sync_service_url: Some(BREEZ_SYNC_SERVICE_URL.to_string()),
zero_conf_max_amount_sat: None,
breez_api_key,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: Some(SIDESWAP_API_KEY.to_string()),
}
}
pub fn testnet_esplora(breez_api_key: Option<String>) -> Self {
Config {
liquid_explorer: BlockchainExplorer::Esplora {
url: "https://blockstream.info/liquidtestnet/api".to_string(),
use_waterfalls: false,
},
bitcoin_explorer: BlockchainExplorer::Esplora {
url: "https://blockstream.info/testnet/api/".to_string(),
use_waterfalls: false,
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Testnet,
payment_timeout_sec: 15,
sync_service_url: Some(BREEZ_SYNC_SERVICE_URL.to_string()),
zero_conf_max_amount_sat: None,
breez_api_key,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: Some(SIDESWAP_API_KEY.to_string()),
}
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
pub fn regtest() -> Self {
Config {
liquid_explorer: BlockchainExplorer::Electrum {
url: "localhost:19002".to_string(),
},
bitcoin_explorer: BlockchainExplorer::Electrum {
url: "localhost:19001".to_string(),
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Regtest,
payment_timeout_sec: 15,
sync_service_url: Some("http://localhost:8088".to_string()),
zero_conf_max_amount_sat: None,
breez_api_key: None,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: None,
}
}
pub fn regtest_esplora() -> Self {
Config {
liquid_explorer: BlockchainExplorer::Esplora {
url: "http://localhost:3120/api".to_string(),
use_waterfalls: true,
},
bitcoin_explorer: BlockchainExplorer::Esplora {
url: "http://localhost:4002/api".to_string(),
use_waterfalls: false,
},
working_dir: ".".to_string(),
cache_dir: None,
network: LiquidNetwork::Regtest,
payment_timeout_sec: 15,
sync_service_url: Some("http://localhost:8089".to_string()),
zero_conf_max_amount_sat: None,
breez_api_key: None,
external_input_parsers: None,
use_default_external_input_parsers: true,
onchain_fee_rate_leeway_sat_per_vbyte: None,
asset_metadata: None,
sideswap_api_key: None,
}
}
pub fn get_wallet_dir(&self, base_dir: &str, fingerprint_hex: &str) -> anyhow::Result<String> {
Ok(PathBuf::from(base_dir)
.join(match self.network {
LiquidNetwork::Mainnet => "mainnet",
LiquidNetwork::Testnet => "testnet",
LiquidNetwork::Regtest => "regtest",
})
.join(fingerprint_hex)
.to_str()
.ok_or(anyhow::anyhow!(
"Could not get retrieve current wallet directory"
))?
.to_string())
}
pub fn zero_conf_max_amount_sat(&self) -> u64 {
self.zero_conf_max_amount_sat
.unwrap_or(DEFAULT_ZERO_CONF_MAX_SAT)
}
pub(crate) fn lbtc_asset_id(&self) -> String {
utils::lbtc_asset_id(self.network).to_string()
}
pub(crate) fn get_all_external_input_parsers(&self) -> Vec<ExternalInputParser> {
let mut external_input_parsers = Vec::new();
if self.use_default_external_input_parsers {
let default_parsers = DEFAULT_EXTERNAL_INPUT_PARSERS
.iter()
.map(|(id, regex, url)| ExternalInputParser {
provider_id: id.to_string(),
input_regex: regex.to_string(),
parser_url: url.to_string(),
})
.collect::<Vec<_>>();
external_input_parsers.extend(default_parsers);
}
external_input_parsers.extend(self.external_input_parsers.clone().unwrap_or_default());
external_input_parsers
}
pub(crate) fn default_boltz_url(&self) -> &str {
match self.network {
LiquidNetwork::Mainnet => BOLTZ_MAINNET_URL_V2,
LiquidNetwork::Testnet => BOLTZ_TESTNET_URL_V2,
LiquidNetwork::Regtest => BOLTZ_REGTEST,
}
}
pub fn sync_enabled(&self) -> bool {
self.sync_service_url.is_some()
}
pub(crate) fn bitcoin_chain_service(&self) -> Arc<dyn BitcoinChainService> {
match self.bitcoin_explorer {
BlockchainExplorer::Esplora { .. } => {
Arc::new(EsploraBitcoinChainService::new(self.clone()))
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
BlockchainExplorer::Electrum { .. } => Arc::new(
crate::chain::bitcoin::electrum::ElectrumBitcoinChainService::new(self.clone()),
),
}
}
pub(crate) fn liquid_chain_service(&self) -> Result<Arc<dyn LiquidChainService>> {
match &self.liquid_explorer {
BlockchainExplorer::Esplora { url, .. } => {
if url == BREEZ_LIQUID_ESPLORA_URL && self.breez_api_key.is_none() {
bail!("Cannot start the Breez Esplora chain service without providing a valid API key. See https://sdk-doc-liquid.breez.technology/guide/getting_started.html#api-key")
}
Ok(Arc::new(EsploraLiquidChainService::new(self.clone())))
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
BlockchainExplorer::Electrum { .. } => Ok(Arc::new(
crate::chain::liquid::electrum::ElectrumLiquidChainService::new(self.clone()),
)),
}
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
pub(crate) fn electrum_tls_options(&self) -> (/*tls*/ bool, /*validate_domain*/ bool) {
match self.network {
LiquidNetwork::Mainnet | LiquidNetwork::Testnet => (true, true),
LiquidNetwork::Regtest => (false, false),
}
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
pub(crate) fn electrum_client(
&self,
url: &str,
) -> Result<lwk_wollet::ElectrumClient, lwk_wollet::Error> {
let (tls, validate_domain) = self.electrum_tls_options();
let electrum_url = lwk_wollet::ElectrumUrl::new(url, tls, validate_domain)?;
lwk_wollet::ElectrumClient::with_options(
&electrum_url,
lwk_wollet::ElectrumOptions { timeout: Some(3) },
)
}
}
/// Network chosen for this Liquid SDK instance. Note that it represents both the Liquid and the
/// Bitcoin network used.
#[derive(Debug, Display, Copy, Clone, PartialEq, Serialize)]
pub enum LiquidNetwork {
/// Mainnet Bitcoin and Liquid chains
Mainnet,
/// Testnet Bitcoin and Liquid chains
Testnet,
/// Regtest Bitcoin and Liquid chains
Regtest,
}
impl LiquidNetwork {
pub fn as_bitcoin_chain(&self) -> BitcoinChain {
match self {
LiquidNetwork::Mainnet => BitcoinChain::Bitcoin,
LiquidNetwork::Testnet => BitcoinChain::BitcoinTestnet,
LiquidNetwork::Regtest => BitcoinChain::BitcoinRegtest,
}
}
}
impl From<LiquidNetwork> for ElementsNetwork {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => ElementsNetwork::Liquid,
LiquidNetwork::Testnet => ElementsNetwork::LiquidTestnet,
LiquidNetwork::Regtest => ElementsNetwork::ElementsRegtest {
policy_asset: AssetId::from_str(
"5ac9f65c0efcc4775e0baec4ec03abdde22473cd3cf33c0419ca290e0751b225",
)
.unwrap(),
},
}
}
}
impl From<LiquidNetwork> for Chain {
fn from(value: LiquidNetwork) -> Self {
Chain::Liquid(value.into())
}
}
impl From<LiquidNetwork> for LiquidChain {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => LiquidChain::Liquid,
LiquidNetwork::Testnet => LiquidChain::LiquidTestnet,
LiquidNetwork::Regtest => LiquidChain::LiquidRegtest,
}
}
}
impl TryFrom<&str> for LiquidNetwork {
type Error = anyhow::Error;
fn try_from(value: &str) -> Result<LiquidNetwork, anyhow::Error> {
match value.to_lowercase().as_str() {
"mainnet" => Ok(LiquidNetwork::Mainnet),
"testnet" => Ok(LiquidNetwork::Testnet),
"regtest" => Ok(LiquidNetwork::Regtest),
_ => Err(anyhow!("Invalid network")),
}
}
}
impl From<LiquidNetwork> for Network {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Self::Bitcoin,
LiquidNetwork::Testnet => Self::Testnet,
LiquidNetwork::Regtest => Self::Regtest,
}
}
}
impl From<LiquidNetwork> for sdk_common::bitcoin::Network {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Self::Bitcoin,
LiquidNetwork::Testnet => Self::Testnet,
LiquidNetwork::Regtest => Self::Regtest,
}
}
}
impl From<LiquidNetwork> for boltz_client::bitcoin::Network {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Self::Bitcoin,
LiquidNetwork::Testnet => Self::Testnet,
LiquidNetwork::Regtest => Self::Regtest,
}
}
}
/// Trait that can be used to react to various [SdkEvent]s emitted by the SDK.
pub trait EventListener: MaybeSend + MaybeSync {
fn on_event(&self, e: SdkEvent);
}
/// Event emitted by the SDK. Add an [EventListener] by calling [crate::sdk::LiquidSdk::add_event_listener]
/// to listen for emitted events.
#[derive(Clone, Debug, PartialEq)]
pub enum SdkEvent {
PaymentFailed {
details: Payment,
},
PaymentPending {
details: Payment,
},
PaymentRefundable {
details: Payment,
},
PaymentRefunded {
details: Payment,
},
PaymentRefundPending {
details: Payment,
},
PaymentSucceeded {
details: Payment,
},
PaymentWaitingConfirmation {
details: Payment,
},
PaymentWaitingFeeAcceptance {
details: Payment,
},
/// Synced with mempool and onchain data
Synced,
/// Synced with real-time data sync
DataSynced {
/// Indicates new data was pulled from other instances.
did_pull_new_records: bool,
},
}
#[derive(thiserror::Error, Debug)]
pub enum SignerError {
#[error("Signer error: {err}")]
Generic { err: String },
}
impl From<anyhow::Error> for SignerError {
fn from(err: anyhow::Error) -> Self {
SignerError::Generic {
err: err.to_string(),
}
}
}
impl From<bip32::Error> for SignerError {
fn from(err: bip32::Error) -> Self {
SignerError::Generic {
err: err.to_string(),
}
}
}
/// A trait that can be used to sign messages and verify signatures.
/// The sdk user can implement this trait to use their own signer.
pub trait Signer: MaybeSend + MaybeSync {
/// The master xpub encoded as 78 bytes length as defined in bip32 specification.
/// For reference: <https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#user-content-Serialization_format>
fn xpub(&self) -> Result<Vec<u8>, SignerError>;
/// The derived xpub encoded as 78 bytes length as defined in bip32 specification.
/// The derivation path is a string represents the shorter notation of the key tree to derive. For example:
/// m/49'/1'/0'/0/0
/// m/48'/1'/0'/0/0
/// For reference: <https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#user-content-The_key_tree>
fn derive_xpub(&self, derivation_path: String) -> Result<Vec<u8>, SignerError>;
/// Sign an ECDSA message using the private key derived from the given derivation path
fn sign_ecdsa(&self, msg: Vec<u8>, derivation_path: String) -> Result<Vec<u8>, SignerError>;
/// Sign an ECDSA message using the private key derived from the master key
fn sign_ecdsa_recoverable(&self, msg: Vec<u8>) -> Result<Vec<u8>, SignerError>;
/// Return the master blinding key for SLIP77: <https://github.com/satoshilabs/slips/blob/master/slip-0077.md>
fn slip77_master_blinding_key(&self) -> Result<Vec<u8>, SignerError>;
/// HMAC-SHA256 using the private key derived from the given derivation path
/// This is used to calculate the linking key of lnurl-auth specification: <https://github.com/lnurl/luds/blob/luds/05.md>
fn hmac_sha256(&self, msg: Vec<u8>, derivation_path: String) -> Result<Vec<u8>, SignerError>;
/// Encrypts a message using (ECIES)[ecies::encrypt]
fn ecies_encrypt(&self, msg: Vec<u8>) -> Result<Vec<u8>, SignerError>;
/// Decrypts a message using (ECIES)[ecies::decrypt]
fn ecies_decrypt(&self, msg: Vec<u8>) -> Result<Vec<u8>, SignerError>;
}
/// An argument when calling [crate::sdk::LiquidSdk::connect].
/// The resquest takes either a `mnemonic` and `passphrase`, or a `seed`.
pub struct ConnectRequest {
/// The SDK [Config]
pub config: Config,
/// The optional Liquid wallet mnemonic
pub mnemonic: Option<String>,
/// The optional passphrase for the mnemonic
pub passphrase: Option<String>,
/// The optional Liquid wallet seed
pub seed: Option<Vec<u8>>,
}
pub struct ConnectWithSignerRequest {
pub config: Config,
}
/// A reserved address. Once an address is reserved, it can only be
/// reallocated to another payment after the block height expiration.
#[derive(Clone, Debug)]
pub(crate) struct ReservedAddress {
/// The address that is reserved
pub(crate) address: String,
/// The block height that the address is reserved until
pub(crate) expiry_block_height: u32,
}
/// The send/receive methods supported by the SDK
#[derive(Clone, Debug, EnumString, Serialize, Eq, PartialEq)]
pub enum PaymentMethod {
#[strum(serialize = "lightning")]
Lightning,
#[strum(serialize = "bitcoin")]
BitcoinAddress,
#[strum(serialize = "liquid")]
LiquidAddress,
}
#[derive(Debug, Serialize, Clone)]
pub enum ReceiveAmount {
/// The amount in satoshi that should be paid
Bitcoin { payer_amount_sat: u64 },
/// The amount of an asset that should be paid
Asset {
asset_id: String,
payer_amount: Option<f64>,
},
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_receive_payment].
#[derive(Debug, Serialize)]
pub struct PrepareReceiveRequest {
pub payment_method: PaymentMethod,
/// The amount to be paid in either Bitcoin or another asset
pub amount: Option<ReceiveAmount>,
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_receive_payment].
#[derive(Debug, Serialize, Clone)]
pub struct PrepareReceiveResponse {
pub payment_method: PaymentMethod,
pub amount: Option<ReceiveAmount>,
/// Generally represents the total fees that would be paid to send or receive this payment.
///
/// In case of Zero-Amount Receive Chain swaps, the swapper service fee (`swapper_feerate` times
/// the amount) is paid in addition to `fees_sat`. The swapper service feerate is already known
/// in the beginning, but the exact swapper service fee will only be known when the
/// `payer_amount_sat` is known.
///
/// In all other types of swaps, the swapper service fee is included in `fees_sat`.
pub fees_sat: u64,
/// The minimum amount the payer can send for this swap to succeed.
///
/// When the method is [PaymentMethod::LiquidAddress], this is empty.
pub min_payer_amount_sat: Option<u64>,
/// The maximum amount the payer can send for this swap to succeed.
///
/// When the method is [PaymentMethod::LiquidAddress], this is empty.
pub max_payer_amount_sat: Option<u64>,
/// The percentage of the sent amount that will count towards the service fee.
///
/// When the method is [PaymentMethod::LiquidAddress], this is empty.
pub swapper_feerate: Option<f64>,
}
/// An argument when calling [crate::sdk::LiquidSdk::receive_payment].
#[derive(Debug, Serialize)]
pub struct ReceivePaymentRequest {
pub prepare_response: PrepareReceiveResponse,
/// The description for this payment request.
pub description: Option<String>,
/// If set to true, then the hash of the description will be used.
pub use_description_hash: Option<bool>,
}
/// Returned when calling [crate::sdk::LiquidSdk::receive_payment].
#[derive(Debug, Serialize)]
pub struct ReceivePaymentResponse {
/// Either a BIP21 URI (Liquid or Bitcoin), a Liquid address
/// or an invoice, depending on the [PrepareReceiveResponse] parameters
pub destination: String,
}
/// The minimum and maximum in satoshis of a Lightning or onchain payment.
#[derive(Debug, Serialize)]
pub struct Limits {
pub min_sat: u64,
pub max_sat: u64,
pub max_zero_conf_sat: u64,
}
/// Returned when calling [crate::sdk::LiquidSdk::fetch_lightning_limits].
#[derive(Debug, Serialize)]
pub struct LightningPaymentLimitsResponse {
/// Amount limits for a Send Payment to be valid
pub send: Limits,
/// Amount limits for a Receive Payment to be valid
pub receive: Limits,
}
/// Returned when calling [crate::sdk::LiquidSdk::fetch_onchain_limits].
#[derive(Debug, Serialize)]
pub struct OnchainPaymentLimitsResponse {
/// Amount limits for a Send Onchain Payment to be valid
pub send: Limits,
/// Amount limits for a Receive Onchain Payment to be valid
pub receive: Limits,
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_send_payment].
#[derive(Debug, Serialize, Clone)]
pub struct PrepareSendRequest {
/// The destination we intend to pay to.
/// Supports BIP21 URIs, BOLT11 invoices, BOLT12 offers and Liquid addresses
pub destination: String,
/// Should only be set when paying directly onchain or to a BIP21 URI
/// where no amount is specified, or when the caller wishes to drain
pub amount: Option<PayAmount>,
}
/// Specifies the supported destinations which can be payed by the SDK
#[derive(Clone, Debug, Serialize)]
pub enum SendDestination {
LiquidAddress {
address_data: liquid::LiquidAddressData,
/// A BIP353 address, in case one was used to resolve this Liquid address
bip353_address: Option<String>,
},
Bolt11 {
invoice: LNInvoice,
/// A BIP353 address, in case one was used to resolve this BOLT11
bip353_address: Option<String>,
},
Bolt12 {
offer: LNOffer,
receiver_amount_sat: u64,
/// A BIP353 address, in case one was used to resolve this BOLT12
bip353_address: Option<String>,
},
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_send_payment].
#[derive(Debug, Serialize, Clone)]
pub struct PrepareSendResponse {
pub destination: SendDestination,
/// The optional estimated fee in satoshi. Is set when there is Bitcoin available
/// to pay fees. When not set, there are asset fees available to pay fees.
pub fees_sat: Option<u64>,
/// The optional estimated fee in the asset. Is set when [PayAmount::Asset::estimate_asset_fees]
/// is set to `true`, the Payjoin service accepts this asset to pay fees and there
/// are funds available in this asset to pay fees.
pub estimated_asset_fees: Option<f64>,
}
/// An argument when calling [crate::sdk::LiquidSdk::send_payment].
#[derive(Debug, Serialize)]
pub struct SendPaymentRequest {
pub prepare_response: PrepareSendResponse,
pub use_asset_fees: Option<bool>,
}
/// Returned when calling [crate::sdk::LiquidSdk::send_payment].
#[derive(Debug, Serialize)]
pub struct SendPaymentResponse {
pub payment: Payment,
}
/// Used to specify the amount to sent or to send all funds.
#[derive(Debug, Serialize, Clone)]
pub enum PayAmount {
/// The amount in satoshi that will be received
Bitcoin { receiver_amount_sat: u64 },
/// The amount of an asset that will be received
Asset {
asset_id: String,
receiver_amount: f64,
estimate_asset_fees: Option<bool>,
},
/// Indicates that all available Bitcoin funds should be sent
Drain,
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_pay_onchain].
#[derive(Debug, Serialize, Clone)]
pub struct PreparePayOnchainRequest {
/// The amount to send
pub amount: PayAmount,
/// The optional fee rate of the Bitcoin claim transaction in sat/vB. Defaults to the swapper estimated claim fee.
pub fee_rate_sat_per_vbyte: Option<u32>,
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_pay_onchain].
#[derive(Debug, Serialize, Clone)]
pub struct PreparePayOnchainResponse {
pub receiver_amount_sat: u64,
pub claim_fees_sat: u64,
pub total_fees_sat: u64,
}
/// An argument when calling [crate::sdk::LiquidSdk::pay_onchain].
#[derive(Debug, Serialize)]
pub struct PayOnchainRequest {
pub address: String,
pub prepare_response: PreparePayOnchainResponse,
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_refund].
#[derive(Debug, Serialize)]
pub struct PrepareRefundRequest {
/// The address where the swap funds are locked up
pub swap_address: String,
/// The address to refund the swap funds to
pub refund_address: String,
/// The fee rate in sat/vB for the refund transaction
pub fee_rate_sat_per_vbyte: u32,
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_refund].
#[derive(Debug, Serialize)]
pub struct PrepareRefundResponse {
pub tx_vsize: u32,
pub tx_fee_sat: u64,
/// The txid of the last broadcasted refund tx, if any
pub last_refund_tx_id: Option<String>,
}
/// An argument when calling [crate::sdk::LiquidSdk::refund].
#[derive(Debug, Serialize)]
pub struct RefundRequest {
/// The address where the swap funds are locked up
pub swap_address: String,
/// The address to refund the swap funds to
pub refund_address: String,
/// The fee rate in sat/vB for the refund transaction
pub fee_rate_sat_per_vbyte: u32,
}
/// Returned when calling [crate::sdk::LiquidSdk::refund].
#[derive(Debug, Serialize)]
pub struct RefundResponse {
pub refund_tx_id: String,
}
/// An asset balance to denote the balance for each asset.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct AssetBalance {
pub asset_id: String,
pub balance_sat: u64,
pub name: Option<String>,
pub ticker: Option<String>,
pub balance: Option<f64>,
}
#[derive(Debug, Serialize, Deserialize, Default)]
pub struct BlockchainInfo {
pub liquid_tip: u32,
pub bitcoin_tip: u32,
}
#[derive(Copy, Clone)]
pub(crate) struct ChainTips {
pub liquid_tip: u32,
pub bitcoin_tip: u32,
}
#[derive(Debug, Serialize, Deserialize)]
pub struct WalletInfo {
/// Usable balance. This is the confirmed onchain balance minus `pending_send_sat`.
pub balance_sat: u64,
/// Amount that is being used for ongoing Send swaps
pub pending_send_sat: u64,
/// Incoming amount that is pending from ongoing Receive swaps
pub pending_receive_sat: u64,
/// The wallet's fingerprint. It is used to build the working directory in [Config::get_wallet_dir].
pub fingerprint: String,
/// The wallet's pubkey. Used to verify signed messages.
pub pubkey: String,
/// Asset balances of non Liquid Bitcoin assets
#[serde(default)]
pub asset_balances: Vec<AssetBalance>,
}
impl WalletInfo {
pub(crate) fn validate_sufficient_funds(
&self,
network: LiquidNetwork,
amount_sat: u64,
fees_sat: Option<u64>,
asset_id: &str,
) -> Result<(), PaymentError> {
let fees_sat = fees_sat.unwrap_or(0);
if asset_id.eq(&utils::lbtc_asset_id(network).to_string()) {
ensure_sdk!(
amount_sat + fees_sat <= self.balance_sat,
PaymentError::InsufficientFunds
);
} else {
match self
.asset_balances
.iter()
.find(|ab| ab.asset_id.eq(asset_id))
{
Some(asset_balance) => ensure_sdk!(
amount_sat <= asset_balance.balance_sat && fees_sat <= self.balance_sat,
PaymentError::InsufficientFunds
),
None => return Err(PaymentError::InsufficientFunds),
}
}
Ok(())
}
}
/// Returned when calling [crate::sdk::LiquidSdk::get_info].
#[derive(Debug, Serialize, Deserialize)]
pub struct GetInfoResponse {
/// The wallet information, such as the balance, fingerprint and public key
pub wallet_info: WalletInfo,
/// The latest synced blockchain information, such as the Liquid/Bitcoin tips
#[serde(default)]
pub blockchain_info: BlockchainInfo,
}
/// An argument when calling [crate::sdk::LiquidSdk::sign_message].
#[derive(Clone, Debug, PartialEq)]
pub struct SignMessageRequest {
pub message: String,
}
/// Returned when calling [crate::sdk::LiquidSdk::sign_message].
#[derive(Clone, Debug, PartialEq)]
pub struct SignMessageResponse {
pub signature: String,
}
/// An argument when calling [crate::sdk::LiquidSdk::check_message].
#[derive(Clone, Debug, PartialEq)]
pub struct CheckMessageRequest {
/// The message that was signed.
pub message: String,
/// The public key of the node that signed the message.
pub pubkey: String,
/// The zbase encoded signature to verify.
pub signature: String,
}
/// Returned when calling [crate::sdk::LiquidSdk::check_message].
#[derive(Clone, Debug, PartialEq)]
pub struct CheckMessageResponse {
/// Boolean value indicating whether the signature covers the message and
/// was signed by the given pubkey.
pub is_valid: bool,
}
/// An argument when calling [crate::sdk::LiquidSdk::backup].
#[derive(Debug, Serialize)]
pub struct BackupRequest {
/// Path to the backup.
///
/// If not set, it defaults to `backup.sql` for mainnet, `backup-testnet.sql` for testnet,
/// and `backup-regtest.sql` for regtest.
///
/// The file will be saved in [ConnectRequest]'s `data_dir`.
pub backup_path: Option<String>,
}
/// An argument when calling [crate::sdk::LiquidSdk::restore].
#[derive(Debug, Serialize)]
pub struct RestoreRequest {
pub backup_path: Option<String>,
}
/// An argument when calling [crate::sdk::LiquidSdk::list_payments].
#[derive(Default)]
pub struct ListPaymentsRequest {
pub filters: Option<Vec<PaymentType>>,
pub states: Option<Vec<PaymentState>>,
/// Epoch time, in seconds
pub from_timestamp: Option<i64>,
/// Epoch time, in seconds
pub to_timestamp: Option<i64>,
pub offset: Option<u32>,
pub limit: Option<u32>,
pub details: Option<ListPaymentDetails>,
pub sort_ascending: Option<bool>,
}
/// An argument of [ListPaymentsRequest] when calling [crate::sdk::LiquidSdk::list_payments].
#[derive(Debug, Serialize)]
pub enum ListPaymentDetails {
/// A Liquid payment
Liquid {
/// Optional asset id
asset_id: Option<String>,
/// Optional BIP21 URI or address
destination: Option<String>,
},
/// A Bitcoin payment
Bitcoin {
/// Optional address
address: Option<String>,
},
}
/// An argument when calling [crate::sdk::LiquidSdk::get_payment].
#[derive(Debug, Serialize)]
pub enum GetPaymentRequest {
/// The payment hash of a Lightning payment
PaymentHash { payment_hash: String },
/// A swap id or its SHA256 hash
SwapId { swap_id: String },
}
/// Trait that can be used to react to new blocks from Bitcoin and Liquid chains
#[sdk_macros::async_trait]
pub(crate) trait BlockListener: MaybeSend + MaybeSync {
async fn on_bitcoin_block(&self, height: u32);
async fn on_liquid_block(&self, height: u32);
}
// A swap enum variant
#[derive(Clone, Debug)]
pub enum Swap {
Chain(ChainSwap),
Send(SendSwap),
Receive(ReceiveSwap),
}
impl Swap {
pub(crate) fn id(&self) -> String {
match &self {
Swap::Chain(ChainSwap { id, .. })
| Swap::Send(SendSwap { id, .. })
| Swap::Receive(ReceiveSwap { id, .. }) => id.clone(),
}
}
pub(crate) fn version(&self) -> u64 {
match self {
Swap::Chain(ChainSwap { metadata, .. })
| Swap::Send(SendSwap { metadata, .. })
| Swap::Receive(ReceiveSwap { metadata, .. }) => metadata.version,
}
}
pub(crate) fn set_version(&mut self, version: u64) {
match self {
Swap::Chain(chain_swap) => {
chain_swap.metadata.version = version;
}
Swap::Send(send_swap) => {
send_swap.metadata.version = version;
}
Swap::Receive(receive_swap) => {
receive_swap.metadata.version = version;
}
}
}
pub(crate) fn is_local(&self) -> bool {
match self {
Swap::Chain(ChainSwap { metadata, .. })
| Swap::Send(SendSwap { metadata, .. })
| Swap::Receive(ReceiveSwap { metadata, .. }) => metadata.is_local,
}
}
pub(crate) fn last_updated_at(&self) -> u32 {
match self {
Swap::Chain(ChainSwap { metadata, .. })
| Swap::Send(SendSwap { metadata, .. })
| Swap::Receive(ReceiveSwap { metadata, .. }) => metadata.last_updated_at,
}
}
}
impl From<ChainSwap> for Swap {
fn from(swap: ChainSwap) -> Self {
Self::Chain(swap)
}
}
impl From<SendSwap> for Swap {
fn from(swap: SendSwap) -> Self {
Self::Send(swap)
}
}
impl From<ReceiveSwap> for Swap {
fn from(swap: ReceiveSwap) -> Self {
Self::Receive(swap)
}
}
#[derive(Clone, Debug)]
pub(crate) enum SwapScriptV2 {
Bitcoin(BtcSwapScript),
Liquid(LBtcSwapScript),
}
impl SwapScriptV2 {
pub(crate) fn as_bitcoin_script(&self) -> Result<BtcSwapScript> {
match self {
SwapScriptV2::Bitcoin(script) => Ok(script.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
pub(crate) fn as_liquid_script(&self) -> Result<LBtcSwapScript> {
match self {
SwapScriptV2::Liquid(script) => Ok(script.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
}
#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
pub enum Direction {
Incoming = 0,
Outgoing = 1,
}
impl ToSql for Direction {
fn to_sql(&self) -> rusqlite::Result<ToSqlOutput<'_>> {
Ok(rusqlite::types::ToSqlOutput::from(*self as i8))
}
}
impl FromSql for Direction {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
match value {
ValueRef::Integer(i) => match i as u8 {
0 => Ok(Direction::Incoming),
1 => Ok(Direction::Outgoing),
_ => Err(FromSqlError::OutOfRange(i)),
},
_ => Err(FromSqlError::InvalidType),
}
}
}
#[derive(Clone, Debug, Default)]
pub(crate) struct SwapMetadata {
/// Version used for optimistic concurrency control within local db
pub(crate) version: u64,
pub(crate) last_updated_at: u32,
pub(crate) is_local: bool,
}
/// A chain swap
///
/// See <https://docs.boltz.exchange/v/api/lifecycle#chain-swaps>
#[derive(Clone, Debug, Derivative)]
#[derivative(PartialEq)]
pub struct ChainSwap {
pub(crate) id: String,
pub(crate) direction: Direction,
/// The Bitcoin claim address is only set for Outgoing Chain Swaps
pub(crate) claim_address: Option<String>,
pub(crate) lockup_address: String,
/// The Liquid refund address is only set for Outgoing Chain Swaps
pub(crate) refund_address: Option<String>,
pub(crate) timeout_block_height: u32,
pub(crate) preimage: String,
pub(crate) description: Option<String>,
/// Payer amount defined at swap creation
pub(crate) payer_amount_sat: u64,
/// The actual payer amount as seen on the user lockup tx. Might differ from `payer_amount_sat`
/// in the case of an over/underpayment
pub(crate) actual_payer_amount_sat: Option<u64>,
/// Receiver amount defined at swap creation
pub(crate) receiver_amount_sat: u64,
/// The final receiver amount, in case of an amountless swap for which fees have been accepted
pub(crate) accepted_receiver_amount_sat: Option<u64>,
pub(crate) claim_fees_sat: u64,
/// The [ChainPair] chosen on swap creation
pub(crate) pair_fees_json: String,
pub(crate) accept_zero_conf: bool,
/// JSON representation of [crate::persist::chain::InternalCreateChainResponse]
pub(crate) create_response_json: String,
/// Persisted only when the server lockup tx is successfully broadcast
pub(crate) server_lockup_tx_id: Option<String>,
/// Persisted only when the user lockup tx is successfully broadcast
pub(crate) user_lockup_tx_id: Option<String>,
/// Persisted as soon as a claim tx is broadcast
pub(crate) claim_tx_id: Option<String>,
/// Persisted as soon as a refund tx is broadcast
pub(crate) refund_tx_id: Option<String>,
pub(crate) created_at: u32,
pub(crate) state: PaymentState,
pub(crate) claim_private_key: String,
pub(crate) refund_private_key: String,
pub(crate) auto_accepted_fees: bool,
/// Swap metadata that is only valid when reading one from the local database
#[derivative(PartialEq = "ignore")]
pub(crate) metadata: SwapMetadata,
}
impl ChainSwap {
pub(crate) fn get_claim_keypair(&self) -> SdkResult<Keypair> {
utils::decode_keypair(&self.claim_private_key)
}
pub(crate) fn get_refund_keypair(&self) -> SdkResult<Keypair> {
utils::decode_keypair(&self.refund_private_key)
}
pub(crate) fn get_boltz_create_response(&self) -> Result<CreateChainResponse> {
let internal_create_response: crate::persist::chain::InternalCreateChainResponse =
serde_json::from_str(&self.create_response_json).map_err(|e| {
anyhow!("Failed to deserialize InternalCreateSubmarineResponse: {e:?}")
})?;
Ok(CreateChainResponse {
id: self.id.clone(),
claim_details: internal_create_response.claim_details,
lockup_details: internal_create_response.lockup_details,
})
}
pub(crate) fn get_boltz_pair(&self) -> Result<ChainPair> {
let pair: ChainPair = serde_json::from_str(&self.pair_fees_json)
.map_err(|e| anyhow!("Failed to deserialize ChainPair: {e:?}"))?;
Ok(pair)
}
pub(crate) fn get_claim_swap_script(&self) -> SdkResult<SwapScriptV2> {
let chain_swap_details = self.get_boltz_create_response()?.claim_details;
let our_pubkey = self.get_claim_keypair()?.public_key();
let swap_script = match self.direction {
Direction::Incoming => SwapScriptV2::Liquid(LBtcSwapScript::chain_from_swap_resp(
Side::Claim,
chain_swap_details,
our_pubkey.into(),
)?),
Direction::Outgoing => SwapScriptV2::Bitcoin(BtcSwapScript::chain_from_swap_resp(
Side::Claim,
chain_swap_details,
our_pubkey.into(),
)?),
};
Ok(swap_script)
}
pub(crate) fn get_lockup_swap_script(&self) -> SdkResult<SwapScriptV2> {
let chain_swap_details = self.get_boltz_create_response()?.lockup_details;
let our_pubkey = self.get_refund_keypair()?.public_key();
let swap_script = match self.direction {
Direction::Incoming => SwapScriptV2::Bitcoin(BtcSwapScript::chain_from_swap_resp(
Side::Lockup,
chain_swap_details,
our_pubkey.into(),
)?),
Direction::Outgoing => SwapScriptV2::Liquid(LBtcSwapScript::chain_from_swap_resp(
Side::Lockup,
chain_swap_details,
our_pubkey.into(),
)?),
};
Ok(swap_script)
}
/// Returns the lockup script pubkey for Receive Chain Swaps
pub(crate) fn get_receive_lockup_swap_script_pubkey(
&self,
network: LiquidNetwork,
) -> SdkResult<ScriptBuf> {
let swap_script = self.get_lockup_swap_script()?.as_bitcoin_script()?;
let script_pubkey = swap_script
.to_address(network.as_bitcoin_chain())
.map_err(|e| SdkError::generic(format!("Error getting script address: {e:?}")))?
.script_pubkey();
Ok(script_pubkey)
}
pub(crate) fn to_refundable(&self, amount_sat: u64) -> RefundableSwap {
RefundableSwap {
swap_address: self.lockup_address.clone(),
timestamp: self.created_at,
amount_sat,
last_refund_tx_id: self.refund_tx_id.clone(),
}
}
pub(crate) fn from_boltz_struct_to_json(
create_response: &CreateChainResponse,
expected_swap_id: &str,
) -> Result<String, PaymentError> {
let internal_create_response =
crate::persist::chain::InternalCreateChainResponse::try_convert_from_boltz(
create_response,
expected_swap_id,
)?;
let create_response_json =
serde_json::to_string(&internal_create_response).map_err(|e| {
PaymentError::Generic {
err: format!("Failed to serialize InternalCreateChainResponse: {e:?}"),
}
})?;
Ok(create_response_json)
}
pub(crate) fn is_waiting_fee_acceptance(&self) -> bool {
self.payer_amount_sat == 0 && self.accepted_receiver_amount_sat.is_none()
}
}
#[derive(Clone, Debug, Default)]
pub(crate) struct ChainSwapUpdate {
pub(crate) swap_id: String,
pub(crate) to_state: PaymentState,
pub(crate) server_lockup_tx_id: Option<String>,
pub(crate) user_lockup_tx_id: Option<String>,
pub(crate) claim_address: Option<String>,
pub(crate) claim_tx_id: Option<String>,
pub(crate) refund_tx_id: Option<String>,
}
/// A submarine swap, used for Send
#[derive(Clone, Debug, Derivative)]
#[derivative(PartialEq)]
pub struct SendSwap {
pub(crate) id: String,
/// Bolt11 or Bolt12 invoice. This is determined by whether `bolt12_offer` is set or not.
pub(crate) invoice: String,
/// The bolt12 offer, if this swap sends to a Bolt12 offer
pub(crate) bolt12_offer: Option<String>,
pub(crate) payment_hash: Option<String>,
pub(crate) destination_pubkey: Option<String>,
pub(crate) description: Option<String>,
pub(crate) preimage: Option<String>,
pub(crate) payer_amount_sat: u64,
pub(crate) receiver_amount_sat: u64,
/// The [SubmarinePair] chosen on swap creation
pub(crate) pair_fees_json: String,
/// JSON representation of [crate::persist::send::InternalCreateSubmarineResponse]
pub(crate) create_response_json: String,
/// Persisted only when the lockup tx is successfully broadcast
pub(crate) lockup_tx_id: Option<String>,
/// Persisted only when a refund tx is needed
pub(crate) refund_address: Option<String>,
/// Persisted after the refund tx is broadcast
pub(crate) refund_tx_id: Option<String>,
pub(crate) created_at: u32,
pub(crate) timeout_block_height: u64,
pub(crate) state: PaymentState,
pub(crate) refund_private_key: String,
/// Swap metadata that is only valid when reading one from the local database
#[derivative(PartialEq = "ignore")]
pub(crate) metadata: SwapMetadata,
}
impl SendSwap {
pub(crate) fn get_refund_keypair(&self) -> Result<Keypair, SdkError> {
utils::decode_keypair(&self.refund_private_key)
}
pub(crate) fn get_boltz_create_response(&self) -> Result<CreateSubmarineResponse> {
let internal_create_response: crate::persist::send::InternalCreateSubmarineResponse =
serde_json::from_str(&self.create_response_json).map_err(|e| {
anyhow!("Failed to deserialize InternalCreateSubmarineResponse: {e:?}")
})?;
let res = CreateSubmarineResponse {
id: self.id.clone(),
accept_zero_conf: internal_create_response.accept_zero_conf,
address: internal_create_response.address.clone(),
bip21: internal_create_response.bip21.clone(),
claim_public_key: crate::utils::json_to_pubkey(
&internal_create_response.claim_public_key,
)?,
expected_amount: internal_create_response.expected_amount,
referral_id: internal_create_response.referral_id,
swap_tree: internal_create_response.swap_tree.clone().into(),
timeout_block_height: internal_create_response.timeout_block_height,
blinding_key: internal_create_response.blinding_key.clone(),
};
Ok(res)
}
pub(crate) fn get_swap_script(&self) -> Result<LBtcSwapScript, SdkError> {
LBtcSwapScript::submarine_from_swap_resp(
&self.get_boltz_create_response()?,
self.get_refund_keypair()?.public_key().into(),
)
.map_err(|e| {
SdkError::generic(format!(
"Failed to create swap script for Send Swap {}: {e:?}",
self.id
))
})
}
pub(crate) fn from_boltz_struct_to_json(
create_response: &CreateSubmarineResponse,
expected_swap_id: &str,
) -> Result<String, PaymentError> {
let internal_create_response =
crate::persist::send::InternalCreateSubmarineResponse::try_convert_from_boltz(
create_response,
expected_swap_id,
)?;
let create_response_json =
serde_json::to_string(&internal_create_response).map_err(|e| {
PaymentError::Generic {
err: format!("Failed to serialize InternalCreateSubmarineResponse: {e:?}"),
}
})?;
Ok(create_response_json)
}
}
/// A reverse swap, used for Receive
#[derive(Clone, Debug, Derivative)]
#[derivative(PartialEq)]
pub struct ReceiveSwap {
pub(crate) id: String,
pub(crate) preimage: String,
/// JSON representation of [crate::persist::receive::InternalCreateReverseResponse]
pub(crate) create_response_json: String,
pub(crate) claim_private_key: String,
pub(crate) invoice: String,
pub(crate) payment_hash: Option<String>,
pub(crate) destination_pubkey: Option<String>,
pub(crate) description: Option<String>,
/// The amount of the invoice
pub(crate) payer_amount_sat: u64,
pub(crate) receiver_amount_sat: u64,
/// The [ReversePair] chosen on swap creation
pub(crate) pair_fees_json: String,
pub(crate) claim_fees_sat: u64,
/// Persisted only when a claim tx is needed
pub(crate) claim_address: Option<String>,
/// Persisted after the claim tx is broadcast
pub(crate) claim_tx_id: Option<String>,
/// The transaction id of the swapper's tx broadcast
pub(crate) lockup_tx_id: Option<String>,
/// The address reserved for a magic routing hint payment
pub(crate) mrh_address: String,
/// Persisted only if a transaction is sent to the `mrh_address`
pub(crate) mrh_tx_id: Option<String>,
/// Until the lockup tx is seen in the mempool, it contains the swap creation time.
/// Afterwards, it shows the lockup tx creation time.
pub(crate) created_at: u32,
pub(crate) timeout_block_height: u32,
pub(crate) state: PaymentState,
/// Swap metadata that is only valid when reading one from the local database
#[derivative(PartialEq = "ignore")]
pub(crate) metadata: SwapMetadata,
}
impl ReceiveSwap {
pub(crate) fn get_claim_keypair(&self) -> Result<Keypair, PaymentError> {
utils::decode_keypair(&self.claim_private_key).map_err(Into::into)
}
pub(crate) fn claim_script(&self) -> Result<elements::Script> {
Ok(self
.get_swap_script()?
.funding_addrs
.ok_or(anyhow!("No funding address found"))?
.script_pubkey())
}
pub(crate) fn get_boltz_create_response(&self) -> Result<CreateReverseResponse, PaymentError> {
let internal_create_response: crate::persist::receive::InternalCreateReverseResponse =
serde_json::from_str(&self.create_response_json).map_err(|e| {
PaymentError::Generic {
err: format!("Failed to deserialize InternalCreateReverseResponse: {e:?}"),
}
})?;
let res = CreateReverseResponse {
id: self.id.clone(),
invoice: self.invoice.clone(),
swap_tree: internal_create_response.swap_tree.clone().into(),
lockup_address: internal_create_response.lockup_address.clone(),
refund_public_key: crate::utils::json_to_pubkey(
&internal_create_response.refund_public_key,
)?,
timeout_block_height: internal_create_response.timeout_block_height,
onchain_amount: internal_create_response.onchain_amount,
blinding_key: internal_create_response.blinding_key.clone(),
};
Ok(res)
}
pub(crate) fn get_swap_script(&self) -> Result<LBtcSwapScript, PaymentError> {
let keypair = self.get_claim_keypair()?;
let create_response =
self.get_boltz_create_response()
.map_err(|e| PaymentError::Generic {
err: format!(
"Failed to create swap script for Receive Swap {}: {e:?}",
self.id
),
})?;
LBtcSwapScript::reverse_from_swap_resp(&create_response, keypair.public_key().into())
.map_err(|e| PaymentError::Generic {
err: format!(
"Failed to create swap script for Receive Swap {}: {e:?}",
self.id
),
})
}
pub(crate) fn from_boltz_struct_to_json(
create_response: &CreateReverseResponse,
expected_swap_id: &str,
expected_invoice: &str,
) -> Result<String, PaymentError> {
let internal_create_response =
crate::persist::receive::InternalCreateReverseResponse::try_convert_from_boltz(
create_response,
expected_swap_id,
expected_invoice,
)?;
let create_response_json =
serde_json::to_string(&internal_create_response).map_err(|e| {
PaymentError::Generic {
err: format!("Failed to serialize InternalCreateReverseResponse: {e:?}"),
}
})?;
Ok(create_response_json)
}
}
/// Returned when calling [crate::sdk::LiquidSdk::list_refundables].
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct RefundableSwap {
pub swap_address: String,
pub timestamp: u32,
/// Amount that is refundable, from all UTXOs
pub amount_sat: u64,
/// The txid of the last broadcasted refund tx, if any
pub last_refund_tx_id: Option<String>,
}
/// The payment state of an individual payment.
#[derive(Clone, Copy, Debug, Default, EnumString, Eq, PartialEq, Serialize, Hash)]
#[strum(serialize_all = "lowercase")]
pub enum PaymentState {
#[default]
Created = 0,
/// ## Receive Swaps
///
/// Covers the cases when
/// - the lockup tx is seen in the mempool or
/// - our claim tx is broadcast
///
/// When the claim tx is broadcast, `claim_tx_id` is set in the swap.
///
/// ## Send Swaps
///
/// This is the status when our lockup tx was broadcast
///
/// ## Chain Swaps
///
/// This is the status when the user lockup tx was broadcast
///
/// ## No swap data available
///
/// If no associated swap is found, this indicates the underlying tx is not confirmed yet.
Pending = 1,
/// ## Receive Swaps
///
/// Covers the case when the claim tx is confirmed.
///
/// ## Send and Chain Swaps
///
/// This is the status when the claim tx is broadcast and we see it in the mempool.
///
/// ## No swap data available
///
/// If no associated swap is found, this indicates the underlying tx is confirmed.
Complete = 2,
/// ## Receive Swaps
///
/// This is the status when the swap failed for any reason and the Receive could not complete.
///
/// ## Send and Chain Swaps
///
/// This is the status when a swap refund was initiated and the refund tx is confirmed.
Failed = 3,
/// ## Send and Outgoing Chain Swaps
///
/// This covers the case when the swap state is still Created and the swap fails to reach the
/// Pending state in time. The TimedOut state indicates the lockup tx should never be broadcast.
TimedOut = 4,
/// ## Incoming Chain Swaps
///
/// This covers the case when the swap failed for any reason and there is a user lockup tx.
/// The swap in this case has to be manually refunded with a provided Bitcoin address
Refundable = 5,
/// ## Send and Chain Swaps
///
/// This is the status when a refund was initiated and/or our refund tx was broadcast
///
/// When the refund tx is broadcast, `refund_tx_id` is set in the swap.
RefundPending = 6,
/// ## Chain Swaps
///
/// This is the state when the user needs to accept new fees before the payment can proceed.
///
/// Use [LiquidSdk::fetch_payment_proposed_fees](crate::sdk::LiquidSdk::fetch_payment_proposed_fees)
/// to find out the current fees and
/// [LiquidSdk::accept_payment_proposed_fees](crate::sdk::LiquidSdk::accept_payment_proposed_fees)
/// to accept them, allowing the payment to proceed.
///
/// Otherwise, this payment can be immediately refunded using
/// [prepare_refund](crate::sdk::LiquidSdk::prepare_refund)/[refund](crate::sdk::LiquidSdk::refund).
WaitingFeeAcceptance = 7,
}
impl ToSql for PaymentState {
fn to_sql(&self) -> rusqlite::Result<ToSqlOutput<'_>> {
Ok(rusqlite::types::ToSqlOutput::from(*self as i8))
}
}
impl FromSql for PaymentState {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
match value {
ValueRef::Integer(i) => match i as u8 {
0 => Ok(PaymentState::Created),
1 => Ok(PaymentState::Pending),
2 => Ok(PaymentState::Complete),
3 => Ok(PaymentState::Failed),
4 => Ok(PaymentState::TimedOut),
5 => Ok(PaymentState::Refundable),
6 => Ok(PaymentState::RefundPending),
7 => Ok(PaymentState::WaitingFeeAcceptance),
_ => Err(FromSqlError::OutOfRange(i)),
},
_ => Err(FromSqlError::InvalidType),
}
}
}
impl PaymentState {
pub(crate) fn is_refundable(&self) -> bool {
matches!(
self,
PaymentState::Refundable
| PaymentState::RefundPending
| PaymentState::WaitingFeeAcceptance
)
}
}
#[derive(Debug, Copy, Clone, Eq, EnumString, Display, Hash, PartialEq, Serialize)]
#[strum(serialize_all = "lowercase")]
pub enum PaymentType {
Receive = 0,
Send = 1,
}
impl From<Direction> for PaymentType {
fn from(value: Direction) -> Self {
match value {
Direction::Incoming => Self::Receive,
Direction::Outgoing => Self::Send,
}
}
}
impl ToSql for PaymentType {
fn to_sql(&self) -> rusqlite::Result<ToSqlOutput<'_>> {
Ok(rusqlite::types::ToSqlOutput::from(*self as i8))
}
}
impl FromSql for PaymentType {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
match value {
ValueRef::Integer(i) => match i as u8 {
0 => Ok(PaymentType::Receive),
1 => Ok(PaymentType::Send),
_ => Err(FromSqlError::OutOfRange(i)),
},
_ => Err(FromSqlError::InvalidType),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Serialize)]
pub enum PaymentStatus {
Pending = 0,
Complete = 1,
}
impl ToSql for PaymentStatus {
fn to_sql(&self) -> rusqlite::Result<ToSqlOutput<'_>> {
Ok(rusqlite::types::ToSqlOutput::from(*self as i8))
}
}
impl FromSql for PaymentStatus {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
match value {
ValueRef::Integer(i) => match i as u8 {
0 => Ok(PaymentStatus::Pending),
1 => Ok(PaymentStatus::Complete),
_ => Err(FromSqlError::OutOfRange(i)),
},
_ => Err(FromSqlError::InvalidType),
}
}
}
#[derive(Debug, Clone, Serialize)]
pub struct PaymentTxData {
/// The tx ID of the transaction
pub tx_id: String,
/// The point in time when the underlying tx was included in a block.
pub timestamp: Option<u32>,
/// The asset id
pub asset_id: String,
/// The onchain tx amount.
///
/// In case of an outbound payment (Send), this is the payer amount. Otherwise it's the receiver amount.
pub amount: u64,
/// The onchain fees of this tx
pub fees_sat: u64,
pub payment_type: PaymentType,
/// Onchain tx status
pub is_confirmed: bool,
/// Data to use in the `blinded` param when unblinding the transaction in an explorer.
/// See: <https://docs.liquid.net/docs/unblinding-transactions>
pub unblinding_data: Option<String>,
}
#[derive(Debug, Clone, Serialize)]
pub enum PaymentSwapType {
Receive,
Send,
Chain,
}
#[derive(Debug, Clone, Serialize)]
pub struct PaymentSwapData {
pub swap_id: String,
pub swap_type: PaymentSwapType,
/// Swap creation timestamp
pub created_at: u32,
/// The height of the block at which the swap will no longer be valid
pub expiration_blockheight: u32,
pub preimage: Option<String>,
pub invoice: Option<String>,
pub bolt12_offer: Option<String>,
pub payment_hash: Option<String>,
pub destination_pubkey: Option<String>,
pub description: String,
/// Amount sent by the swap payer
pub payer_amount_sat: u64,
/// Amount received by the swap receiver
pub receiver_amount_sat: u64,
/// The swapper service fee
pub swapper_fees_sat: u64,
pub refund_tx_id: Option<String>,
pub refund_tx_amount_sat: Option<u64>,
/// Present only for chain swaps.
/// In case of an outgoing chain swap, it's the Bitcoin address which will receive the funds
/// In case of an incoming chain swap, it's the Liquid address which will receive the funds
pub claim_address: Option<String>,
/// Payment status derived from the swap status
pub status: PaymentState,
}
/// Represents the payment LNURL info
#[derive(Clone, Debug, Default, Deserialize, PartialEq, Serialize)]
pub struct LnUrlInfo {
pub ln_address: Option<String>,
pub lnurl_pay_comment: Option<String>,
pub lnurl_pay_domain: Option<String>,
pub lnurl_pay_metadata: Option<String>,
pub lnurl_pay_success_action: Option<SuccessActionProcessed>,
pub lnurl_pay_unprocessed_success_action: Option<SuccessAction>,
pub lnurl_withdraw_endpoint: Option<String>,
}
/// Configuration for asset metadata. Each asset metadata item represents an entry in the
/// [Liquid Asset Registry](https://docs.liquid.net/docs/blockstream-liquid-asset-registry).
/// An example Liquid Asset in the registry would be [Tether USD](https://assets.blockstream.info/ce091c998b83c78bb71a632313ba3760f1763d9cfcffae02258ffa9865a37bd2.json>).
#[derive(Debug, Clone, Serialize)]
pub struct AssetMetadata {
/// The asset id of the registered asset
pub asset_id: String,
/// The name of the asset
pub name: String,
/// The ticker of the asset
pub ticker: String,
/// The precision used to display the asset amount.
/// For example, precision of 2 shifts the decimal 2 places left from the satoshi amount.
pub precision: u8,
/// The optional ID of the fiat currency used to represent the asset
pub fiat_id: Option<String>,
}
impl AssetMetadata {
pub fn amount_to_sat(&self, amount: f64) -> u64 {
(amount * (10_u64.pow(self.precision.into()) as f64)) as u64
}
pub fn amount_from_sat(&self, amount_sat: u64) -> f64 {
amount_sat as f64 / (10_u64.pow(self.precision.into()) as f64)
}
}
/// Represents the Liquid payment asset info. The asset info is derived from
/// the available [AssetMetadata] that is set in the [Config].
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct AssetInfo {
/// The name of the asset
pub name: String,
/// The ticker of the asset
pub ticker: String,
/// The amount calculated from the satoshi amount of the transaction, having its
/// decimal shifted to the left by the [precision](AssetMetadata::precision)
pub amount: f64,
/// The optional fees when paid using the asset, having its
/// decimal shifted to the left by the [precision](AssetMetadata::precision)
pub fees: Option<f64>,
}
/// The specific details of a payment, depending on its type
#[derive(Debug, Clone, PartialEq, Serialize)]
#[allow(clippy::large_enum_variant)]
pub enum PaymentDetails {
/// Swapping to or from Lightning
Lightning {
swap_id: String,
/// Represents the invoice description
description: String,
/// The height of the block at which the swap will no longer be valid
liquid_expiration_blockheight: u32,
/// The preimage of the paid invoice (proof of payment).
preimage: Option<String>,
/// Represents the Bolt11/Bolt12 invoice associated with a payment
/// In the case of a Send payment, this is the invoice paid by the swapper
/// In the case of a Receive payment, this is the invoice paid by the user
invoice: Option<String>,
bolt12_offer: Option<String>,
/// The payment hash of the invoice
payment_hash: Option<String>,
/// The invoice destination/payee pubkey
destination_pubkey: Option<String>,
/// The payment LNURL info
lnurl_info: Option<LnUrlInfo>,
/// The BIP353 address used to resolve this payment
bip353_address: Option<String>,
/// For a Receive payment, this is the claim tx id in case it has already been broadcast
claim_tx_id: Option<String>,
/// For a Send swap which was refunded, this is the refund tx id
refund_tx_id: Option<String>,
/// For a Send swap which was refunded, this is the refund amount
refund_tx_amount_sat: Option<u64>,
},
/// Direct onchain payment to a Liquid address
Liquid {
/// Represents either a Liquid BIP21 URI or pure address
destination: String,
/// Represents the BIP21 `message` field
description: String,
/// The asset id
asset_id: String,
/// The asset info derived from the [AssetMetadata]
asset_info: Option<AssetInfo>,
/// The payment LNURL info
lnurl_info: Option<LnUrlInfo>,
/// The BIP353 address used to resolve this payment
bip353_address: Option<String>,
},
/// Swapping to or from the Bitcoin chain
Bitcoin {
swap_id: String,
/// Represents the invoice description
description: String,
/// For an amountless receive swap, this indicates if fees were automatically accepted.
/// Fees are auto accepted when the swapper proposes fees that are within the initial
/// estimate, plus the `onchain_fee_rate_leeway_sat_per_vbyte` set in the [Config], if any.
auto_accepted_fees: bool,
/// The height of the Liquid block at which the swap will no longer be valid
/// It should always be populated in case of an outgoing chain swap
liquid_expiration_blockheight: Option<u32>,
/// The height of the Bitcoin block at which the swap will no longer be valid
/// It should always be populated in case of an incoming chain swap
bitcoin_expiration_blockheight: Option<u32>,
/// The claim tx id in case it has already been broadcast
claim_tx_id: Option<String>,
/// For a Send swap which was refunded, this is the refund tx id
refund_tx_id: Option<String>,
/// For a Send swap which was refunded, this is the refund amount
refund_tx_amount_sat: Option<u64>,
},
}
impl PaymentDetails {
pub(crate) fn get_swap_id(&self) -> Option<String> {
match self {
Self::Lightning { swap_id, .. } | Self::Bitcoin { swap_id, .. } => {
Some(swap_id.clone())
}
Self::Liquid { .. } => None,
}
}
pub(crate) fn get_refund_tx_amount_sat(&self) -> Option<u64> {
match self {
Self::Lightning {
refund_tx_amount_sat,
..
}
| Self::Bitcoin {
refund_tx_amount_sat,
..
} => *refund_tx_amount_sat,
Self::Liquid { .. } => None,
}
}
pub(crate) fn get_description(&self) -> Option<String> {
match self {
Self::Lightning { description, .. }
| Self::Bitcoin { description, .. }
| Self::Liquid { description, .. } => Some(description.clone()),
}
}
pub(crate) fn is_lbtc_asset_id(&self, network: LiquidNetwork) -> bool {
match self {
Self::Liquid { asset_id, .. } => {
asset_id.eq(&utils::lbtc_asset_id(network).to_string())
}
_ => true,
}
}
}
/// Represents an SDK payment.
///
/// By default, this is an onchain tx. It may represent a swap, if swap metadata is available.
#[derive(Debug, Clone, PartialEq, Serialize)]
pub struct Payment {
/// The destination associated with the payment, if it was created via our SDK.
/// Can be either a Liquid/Bitcoin address, a Liquid BIP21 URI or an invoice
pub destination: Option<String>,
pub tx_id: Option<String>,
/// Data to use in the `blinded` param when unblinding the transaction in an explorer.
/// See: <https://docs.liquid.net/docs/unblinding-transactions>
pub unblinding_data: Option<String>,
/// Composite timestamp that can be used for sorting or displaying the payment.
///
/// If this payment has an associated swap, it is the swap creation time. Otherwise, the point
/// in time when the underlying tx was included in a block. If there is no associated swap
/// available and the underlying tx is not yet confirmed, the value is `now()`.
pub timestamp: u32,
/// The payment amount, which corresponds to the onchain tx amount.
///
/// In case of an outbound payment (Send), this is the payer amount. Otherwise it's the receiver amount.
pub amount_sat: u64,
/// Represents the fees paid by this wallet for this payment.
///
/// ### Swaps
/// If there is an associated Send Swap, these fees represent the total fees paid by this wallet
/// (the sender). It is the difference between the amount that was sent and the amount received.
///
/// If there is an associated Receive Swap, these fees represent the total fees paid by this wallet
/// (the receiver). It is also the difference between the amount that was sent and the amount received.
///
/// ### Pure onchain txs
/// If no swap is associated with this payment:
/// - for Send payments, this is the onchain tx fee
/// - for Receive payments, this is zero
pub fees_sat: u64,
/// Service fees paid to the swapper service. This is only set for swaps (i.e. doesn't apply to
/// direct Liquid payments).
pub swapper_fees_sat: Option<u64>,
/// If it is a `Send` or `Receive` payment
pub payment_type: PaymentType,
/// Composite status representing the overall status of the payment.
///
/// If the tx has no associated swap, this reflects the onchain tx status (confirmed or not).
///
/// If the tx has an associated swap, this is determined by the swap status (pending or complete).
pub status: PaymentState,
/// The details of a payment, depending on its [destination](Payment::destination) and
/// [type](Payment::payment_type)
pub details: PaymentDetails,
}
impl Payment {
pub(crate) fn from_pending_swap(
swap: PaymentSwapData,
payment_type: PaymentType,
payment_details: PaymentDetails,
) -> Payment {
let amount_sat = match payment_type {
PaymentType::Receive => swap.receiver_amount_sat,
PaymentType::Send => swap.payer_amount_sat,
};
Payment {
destination: swap.invoice.clone(),
tx_id: None,
unblinding_data: None,
timestamp: swap.created_at,
amount_sat,
fees_sat: swap
.payer_amount_sat
.saturating_sub(swap.receiver_amount_sat),
swapper_fees_sat: Some(swap.swapper_fees_sat),
payment_type,
status: swap.status,
details: payment_details,
}
}
pub(crate) fn from_tx_data(
tx: PaymentTxData,
swap: Option<PaymentSwapData>,
details: PaymentDetails,
) -> Payment {
let (amount_sat, fees_sat) = match swap.as_ref() {
Some(s) => match tx.payment_type {
// For receive swaps, to avoid some edge case issues related to potential past
// overpayments, we use the actual claim value as the final received amount
// for fee calculation.
PaymentType::Receive => (tx.amount, s.payer_amount_sat.saturating_sub(tx.amount)),
PaymentType::Send => (
s.receiver_amount_sat,
s.payer_amount_sat.saturating_sub(s.receiver_amount_sat),
),
},
None => {
let (amount_sat, fees_sat) = match tx.payment_type {
PaymentType::Receive => (tx.amount, 0),
PaymentType::Send => (tx.amount, tx.fees_sat),
};
// If the payment is a Liquid payment, we only show the amount if the asset
// is LBTC and only show the fees if the asset info has no set fees
match details {
PaymentDetails::Liquid {
asset_info: Some(ref asset_info),
..
} if asset_info.ticker != "BTC" => (0, asset_info.fees.map_or(fees_sat, |_| 0)),
_ => (amount_sat, fees_sat),
}
}
};
Payment {
tx_id: Some(tx.tx_id),
unblinding_data: tx.unblinding_data,
// When the swap is present and of type send and receive, we retrieve the destination from the invoice.
// If it's a chain swap instead, we use the `claim_address` field from the swap data (either pure Bitcoin or Liquid address).
// Otherwise, we specify the Liquid address (BIP21 or pure), set in `payment_details.address`.
destination: match &swap {
Some(PaymentSwapData {
swap_type: PaymentSwapType::Receive,
invoice,
..
}) => invoice.clone(),
Some(PaymentSwapData {
swap_type: PaymentSwapType::Send,
invoice,
bolt12_offer,
..
}) => bolt12_offer.clone().or(invoice.clone()),
Some(PaymentSwapData {
swap_type: PaymentSwapType::Chain,
claim_address,
..
}) => claim_address.clone(),
_ => match &details {
PaymentDetails::Liquid { destination, .. } => Some(destination.clone()),
_ => None,
},
},
timestamp: tx
.timestamp
.or(swap.as_ref().map(|s| s.created_at))
.unwrap_or(utils::now()),
amount_sat,
fees_sat,
swapper_fees_sat: swap.as_ref().map(|s| s.swapper_fees_sat),
payment_type: tx.payment_type,
status: match &swap {
Some(swap) => swap.status,
None => match tx.is_confirmed {
true => PaymentState::Complete,
false => PaymentState::Pending,
},
},
details,
}
}
pub(crate) fn get_refund_tx_id(&self) -> Option<String> {
match self.details.clone() {
PaymentDetails::Lightning { refund_tx_id, .. } => Some(refund_tx_id),
PaymentDetails::Bitcoin { refund_tx_id, .. } => Some(refund_tx_id),
PaymentDetails::Liquid { .. } => None,
}
.flatten()
}
}
/// Returned when calling [crate::sdk::LiquidSdk::recommended_fees].
#[derive(Deserialize, Serialize, Clone, Debug)]
#[serde(rename_all = "camelCase")]
pub struct RecommendedFees {
pub fastest_fee: u64,
pub half_hour_fee: u64,
pub hour_fee: u64,
pub economy_fee: u64,
pub minimum_fee: u64,
}
/// An argument of [PrepareBuyBitcoinRequest] when calling [crate::sdk::LiquidSdk::prepare_buy_bitcoin].
#[derive(Debug, Clone, Copy, EnumString, PartialEq, Serialize)]
pub enum BuyBitcoinProvider {
#[strum(serialize = "moonpay")]
Moonpay,
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_buy_bitcoin].
#[derive(Debug, Serialize)]
pub struct PrepareBuyBitcoinRequest {
pub provider: BuyBitcoinProvider,
pub amount_sat: u64,
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_buy_bitcoin].
#[derive(Clone, Debug, Serialize)]
pub struct PrepareBuyBitcoinResponse {
pub provider: BuyBitcoinProvider,
pub amount_sat: u64,
pub fees_sat: u64,
}
/// An argument when calling [crate::sdk::LiquidSdk::buy_bitcoin].
#[derive(Clone, Debug, Serialize)]
pub struct BuyBitcoinRequest {
pub prepare_response: PrepareBuyBitcoinResponse,
/// The optional URL to redirect to after completing the buy.
///
/// For Moonpay, see <https://dev.moonpay.com/docs/on-ramp-configure-user-journey-params>
pub redirect_url: Option<String>,
}
/// Internal SDK log entry used in the Uniffi and Dart bindings
#[derive(Clone, Debug)]
pub struct LogEntry {
pub line: String,
pub level: String,
}
#[derive(Clone, Debug, Serialize, Deserialize)]
struct InternalLeaf {
pub output: String,
pub version: u8,
}
impl From<InternalLeaf> for Leaf {
fn from(value: InternalLeaf) -> Self {
Leaf {
output: value.output,
version: value.version,
}
}
}
impl From<Leaf> for InternalLeaf {
fn from(value: Leaf) -> Self {
InternalLeaf {
output: value.output,
version: value.version,
}
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub(super) struct InternalSwapTree {
claim_leaf: InternalLeaf,
refund_leaf: InternalLeaf,
}
impl From<InternalSwapTree> for SwapTree {
fn from(value: InternalSwapTree) -> Self {
SwapTree {
claim_leaf: value.claim_leaf.into(),
refund_leaf: value.refund_leaf.into(),
}
}
}
impl From<SwapTree> for InternalSwapTree {
fn from(value: SwapTree) -> Self {
InternalSwapTree {
claim_leaf: value.claim_leaf.into(),
refund_leaf: value.refund_leaf.into(),
}
}
}
/// An argument when calling [crate::sdk::LiquidSdk::prepare_lnurl_pay].
#[derive(Debug, Serialize)]
pub struct PrepareLnUrlPayRequest {
/// The [LnUrlPayRequestData] returned by [parse]
pub data: LnUrlPayRequestData,
/// The amount to send
pub amount: PayAmount,
/// A BIP353 address, in case one was used in order to fetch the LNURL Pay request data.
/// Returned by [parse].
pub bip353_address: Option<String>,
/// An optional comment for this payment
pub comment: Option<String>,
/// Validates that, if there is a URL success action, the URL domain matches
/// the LNURL callback domain. Defaults to `true`
pub validate_success_action_url: Option<bool>,
}
/// Returned when calling [crate::sdk::LiquidSdk::prepare_lnurl_pay].
#[derive(Debug, Serialize)]
pub struct PrepareLnUrlPayResponse {
/// The destination of the payment
pub destination: SendDestination,
/// The fees in satoshis to send the payment
pub fees_sat: u64,
/// The [LnUrlPayRequestData] returned by [parse]
pub data: LnUrlPayRequestData,
/// An optional comment for this payment
pub comment: Option<String>,
/// The unprocessed LUD-09 success action. This will be processed and decrypted if
/// needed after calling [crate::sdk::LiquidSdk::lnurl_pay]
pub success_action: Option<SuccessAction>,
}
/// An argument when calling [crate::sdk::LiquidSdk::lnurl_pay].
#[derive(Debug, Serialize)]
pub struct LnUrlPayRequest {
/// The response from calling [crate::sdk::LiquidSdk::prepare_lnurl_pay]
pub prepare_response: PrepareLnUrlPayResponse,
}
/// Contains the result of the entire LNURL-pay interaction, as reported by the LNURL endpoint.
///
/// * `EndpointSuccess` indicates the payment is complete. The endpoint may return a `SuccessActionProcessed`,
/// in which case, the wallet has to present it to the user as described in
/// <https://github.com/lnurl/luds/blob/luds/09.md>
///
/// * `EndpointError` indicates a generic issue the LNURL endpoint encountered, including a freetext
/// field with the reason.
///
/// * `PayError` indicates that an error occurred while trying to pay the invoice from the LNURL endpoint.
/// This includes the payment hash of the failed invoice and the failure reason.
#[derive(Serialize)]
#[allow(clippy::large_enum_variant)]
pub enum LnUrlPayResult {
EndpointSuccess { data: LnUrlPaySuccessData },
EndpointError { data: LnUrlErrorData },
PayError { data: LnUrlPayErrorData },
}
#[derive(Serialize)]
pub struct LnUrlPaySuccessData {
pub payment: Payment,
pub success_action: Option<SuccessActionProcessed>,
}
#[derive(Debug, Clone)]
pub enum Transaction {
Liquid(boltz_client::elements::Transaction),
Bitcoin(boltz_client::bitcoin::Transaction),
}
impl Transaction {
pub(crate) fn txid(&self) -> String {
match self {
Transaction::Liquid(tx) => tx.txid().to_hex(),
Transaction::Bitcoin(tx) => tx.compute_txid().to_hex(),
}
}
}
#[derive(Debug, Clone)]
pub enum Utxo {
Liquid(
Box<(
boltz_client::elements::OutPoint,
boltz_client::elements::TxOut,
)>,
),
Bitcoin(
(
boltz_client::bitcoin::OutPoint,
boltz_client::bitcoin::TxOut,
),
),
}
impl Utxo {
pub(crate) fn as_bitcoin(
&self,
) -> Option<&(
boltz_client::bitcoin::OutPoint,
boltz_client::bitcoin::TxOut,
)> {
match self {
Utxo::Liquid(_) => None,
Utxo::Bitcoin(utxo) => Some(utxo),
}
}
pub(crate) fn as_liquid(
&self,
) -> Option<
Box<(
boltz_client::elements::OutPoint,
boltz_client::elements::TxOut,
)>,
> {
match self {
Utxo::Bitcoin(_) => None,
Utxo::Liquid(utxo) => Some(utxo.clone()),
}
}
}
/// An argument when calling [crate::sdk::LiquidSdk::fetch_payment_proposed_fees].
#[derive(Debug, Clone)]
pub struct FetchPaymentProposedFeesRequest {
pub swap_id: String,
}
/// Returned when calling [crate::sdk::LiquidSdk::fetch_payment_proposed_fees].
#[derive(Debug, Clone, Serialize)]
pub struct FetchPaymentProposedFeesResponse {
pub swap_id: String,
pub fees_sat: u64,
/// Amount sent by the swap payer
pub payer_amount_sat: u64,
/// Amount that will be received if these fees are accepted
pub receiver_amount_sat: u64,
}
/// An argument when calling [crate::sdk::LiquidSdk::accept_payment_proposed_fees].
#[derive(Debug, Clone)]
pub struct AcceptPaymentProposedFeesRequest {
pub response: FetchPaymentProposedFeesResponse,
}
#[derive(Clone, Debug)]
pub struct History<T> {
pub txid: T,
/// Confirmation height of txid
///
/// -1 means unconfirmed with unconfirmed parents
/// 0 means unconfirmed with confirmed parents
pub height: i32,
}
pub(crate) type LBtcHistory = History<elements::Txid>;
pub(crate) type BtcHistory = History<bitcoin::Txid>;
impl<T> History<T> {
pub(crate) fn confirmed(&self) -> bool {
self.height > 0
}
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
impl From<electrum_client::GetHistoryRes> for BtcHistory {
fn from(value: electrum_client::GetHistoryRes) -> Self {
Self {
txid: value.tx_hash,
height: value.height,
}
}
}
impl From<lwk_wollet::History> for LBtcHistory {
fn from(value: lwk_wollet::History) -> Self {
Self::from(&value)
}
}
impl From<&lwk_wollet::History> for LBtcHistory {
fn from(value: &lwk_wollet::History) -> Self {
Self {
txid: value.txid,
height: value.height,
}
}
}
pub(crate) type BtcScript = bitcoin::ScriptBuf;
pub(crate) type LBtcScript = elements::Script;
#[derive(Clone, Debug)]
pub struct BtcScriptBalance {
/// Confirmed balance in Satoshis for the address.
pub confirmed: u64,
/// Unconfirmed balance in Satoshis for the address.
///
/// Some servers (e.g. `electrs`) return this as a negative value.
pub unconfirmed: i64,
}
#[cfg(not(all(target_family = "wasm", target_os = "unknown")))]
impl From<electrum_client::GetBalanceRes> for BtcScriptBalance {
fn from(val: electrum_client::GetBalanceRes) -> Self {
Self {
confirmed: val.confirmed,
unconfirmed: val.unconfirmed,
}
}
}
#[macro_export]
macro_rules! get_invoice_amount {
($invoice:expr) => {
$invoice
.parse::<Bolt11Invoice>()
.expect("Expecting valid invoice")
.amount_milli_satoshis()
.expect("Expecting valid amount")
/ 1000
};
}
#[macro_export]
macro_rules! get_invoice_description {
($invoice:expr) => {
match $invoice
.trim()
.parse::<Bolt11Invoice>()
.expect("Expecting valid invoice")
.description()
{
Bolt11InvoiceDescription::Direct(msg) => Some(msg.to_string()),
Bolt11InvoiceDescription::Hash(_) => None,
}
};
}
#[macro_export]
macro_rules! get_updated_fields {
($($var:ident),* $(,)?) => {{
let mut options = Vec::new();
$(
if $var.is_some() {
options.push(stringify!($var).to_string());
}
)*
match options.len() > 0 {
true => Some(options),
false => None,
}
}};
}