Files
breez-sdk-liquid/lib/core/src/model.rs
ok300 08b2e5a6e2 Add fetch_onchain_limits service method (#343)
* Add pay_onchain_limits service method

* Add receive_onchain_limits service method

* Merge pay/receive_onchain_limits

* Update field names

* Split swapper method in get_chain_pair and get_chain_pairs

* Fix test

* Introduce and re-use Limits model

* Add fetch_lightning_limits SDK method

* Fix CI: propagate latest sdk-common changes
2024-07-03 09:22:29 +00:00

1078 lines
35 KiB
Rust

use anyhow::{anyhow, Result};
use boltz_client::network::Chain;
use boltz_client::swaps::boltzv2::{
CreateChainResponse, CreateReverseResponse, CreateSubmarineResponse, Leaf, Side, SwapTree,
};
use boltz_client::{BtcSwapScriptV2, BtcSwapTxV2, Keypair, LBtcSwapScriptV2, LBtcSwapTxV2};
use lwk_wollet::ElementsNetwork;
use rusqlite::types::{FromSql, FromSqlError, FromSqlResult, ToSqlOutput, ValueRef};
use rusqlite::ToSql;
use sdk_common::prelude::*;
use serde::{Deserialize, Serialize};
use crate::error::{LiquidSdkResult, PaymentError};
use crate::receive_swap::{
DEFAULT_ZERO_CONF_MAX_SAT, DEFAULT_ZERO_CONF_MIN_FEE_RATE_MAINNET,
DEFAULT_ZERO_CONF_MIN_FEE_RATE_TESTNET,
};
use crate::utils;
pub const LOWBALL_FEE_RATE_SAT_PER_VBYTE: f32 = 0.01;
/// Configuration for the Liquid SDK
#[derive(Clone, Debug, Serialize)]
pub struct Config {
pub liquid_electrum_url: String,
pub bitcoin_electrum_url: String,
/// Directory in which all SDK files (DB, log, cache) are stored.
///
/// Prefix can be a relative or absolute path to this directory.
pub working_dir: String,
pub network: LiquidNetwork,
/// Send payment timeout. See [crate::sdk::LiquidSdk::send_payment]
pub payment_timeout_sec: u64,
/// Zero-conf minimum accepted fee-rate in sat/vbyte
pub zero_conf_min_fee_rate: f32,
/// Maximum amount in satoshi to accept zero-conf payments with
/// Defaults to [crate::receive_swap::DEFAULT_ZERO_CONF_MAX_SAT]
pub zero_conf_max_amount_sat: Option<u64>,
}
impl Config {
pub fn mainnet() -> Self {
Config {
liquid_electrum_url: "blockstream.info:995".to_string(),
bitcoin_electrum_url: "blockstream.info:700".to_string(),
working_dir: ".".to_string(),
network: LiquidNetwork::Mainnet,
payment_timeout_sec: 15,
zero_conf_min_fee_rate: DEFAULT_ZERO_CONF_MIN_FEE_RATE_MAINNET,
zero_conf_max_amount_sat: None,
}
}
pub fn testnet() -> Self {
Config {
liquid_electrum_url: "blockstream.info:465".to_string(),
bitcoin_electrum_url: "blockstream.info:993".to_string(),
working_dir: ".".to_string(),
network: LiquidNetwork::Testnet,
payment_timeout_sec: 15,
zero_conf_min_fee_rate: DEFAULT_ZERO_CONF_MIN_FEE_RATE_TESTNET,
zero_conf_max_amount_sat: None,
}
}
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 lowball_fee_rate(&self) -> Option<f32> {
match self.network {
LiquidNetwork::Mainnet => Some(LOWBALL_FEE_RATE_SAT_PER_VBYTE * 1000.0),
LiquidNetwork::Testnet => None,
}
}
}
/// Network chosen for this Liquid SDK instance. Note that it represents both the Liquid and the
/// Bitcoin network used.
#[derive(Debug, Copy, Clone, PartialEq, Serialize)]
pub enum LiquidNetwork {
/// Mainnet Bitcoin and Liquid chains
Mainnet,
/// Testnet Bitcoin and Liquid chains
Testnet,
}
impl LiquidNetwork {
pub fn as_bitcoin_chain(&self) -> Chain {
match self {
LiquidNetwork::Mainnet => Chain::Bitcoin,
LiquidNetwork::Testnet => Chain::BitcoinTestnet,
}
}
}
impl From<LiquidNetwork> for ElementsNetwork {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => ElementsNetwork::Liquid,
LiquidNetwork::Testnet => ElementsNetwork::LiquidTestnet,
}
}
}
impl From<LiquidNetwork> for Chain {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Chain::Liquid,
LiquidNetwork::Testnet => Chain::LiquidTestnet,
}
}
}
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),
_ => Err(anyhow!("Invalid network")),
}
}
}
impl From<LiquidNetwork> for sdk_common::prelude::Network {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Self::Bitcoin,
LiquidNetwork::Testnet => Self::Testnet,
}
}
}
impl From<LiquidNetwork> for sdk_common::bitcoin::Network {
fn from(value: LiquidNetwork) -> Self {
match value {
LiquidNetwork::Mainnet => Self::Bitcoin,
LiquidNetwork::Testnet => Self::Testnet,
}
}
}
/// Trait that can be used to react to various [LiquidSdkEvent]s emitted by the SDK.
pub trait EventListener: Send + Sync {
fn on_event(&self, e: LiquidSdkEvent);
}
/// Event emitted by the SDK. To listen for and react to these events, use an [EventListener] when
/// initializing the [LiquidSdk].
#[derive(Clone, Debug, PartialEq)]
pub enum LiquidSdkEvent {
PaymentFailed { details: Payment },
PaymentPending { details: Payment },
PaymentRefunded { details: Payment },
PaymentRefundPending { details: Payment },
PaymentSucceeded { details: Payment },
PaymentWaitingConfirmation { details: Payment },
Synced,
}
#[derive(Debug, Serialize)]
pub struct ConnectRequest {
pub mnemonic: String,
pub config: Config,
}
#[derive(Debug, Serialize)]
pub struct PrepareReceiveRequest {
pub payer_amount_sat: u64,
}
#[derive(Debug, Serialize)]
pub struct PrepareReceiveResponse {
pub payer_amount_sat: u64,
pub fees_sat: u64,
}
#[derive(Debug, Serialize)]
pub struct ReceivePaymentResponse {
pub id: String,
pub invoice: String,
}
#[derive(Debug, Serialize)]
pub struct Limits {
pub min_sat: u64,
pub max_sat: u64,
pub max_zero_conf_sat: u64,
}
#[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,
}
#[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,
}
#[derive(Debug, Serialize, Clone)]
pub struct PrepareSendRequest {
pub invoice: String,
}
#[derive(Debug, Serialize, Clone)]
pub struct PrepareSendResponse {
pub invoice: String,
pub fees_sat: u64,
}
#[derive(Debug, Serialize)]
pub struct SendPaymentResponse {
pub payment: Payment,
}
#[derive(Debug, Serialize, Clone)]
pub struct PreparePayOnchainRequest {
pub receiver_amount_sat: u64,
}
#[derive(Debug, Serialize, Clone)]
pub struct PreparePayOnchainResponse {
pub receiver_amount_sat: u64,
pub fees_sat: u64,
}
#[derive(Debug, Serialize)]
pub struct PayOnchainRequest {
pub address: String,
pub prepare_res: PreparePayOnchainResponse,
}
#[derive(Debug, Serialize, Clone)]
pub struct PrepareReceiveOnchainRequest {
pub payer_amount_sat: u64,
}
#[derive(Debug, Serialize, Clone)]
pub struct PrepareReceiveOnchainResponse {
pub payer_amount_sat: u64,
pub fees_sat: u64,
}
#[derive(Debug, Serialize)]
pub struct ReceiveOnchainResponse {
pub address: String,
pub bip21: String,
}
#[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 sat_per_vbyte: u32,
}
#[derive(Debug, Serialize)]
pub struct PrepareRefundResponse {
pub tx_vsize: u32,
pub tx_fee_sat: u64,
pub refund_tx_id: Option<String>,
}
#[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 sat_per_vbyte: u32,
}
#[derive(Debug, Serialize)]
pub struct RefundResponse {
pub refund_tx_id: String,
}
#[derive(Debug, Serialize)]
pub struct GetInfoResponse {
/// 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,
pub pubkey: String,
}
#[derive(Debug, Serialize)]
pub struct BackupRequest {
/// Path to the backup.
///
/// If not set, it defaults to `backup.sql` for mainnet and `backup-testnet.sql` for testnet.
/// The file will be saved in [ConnectRequest]'s `data_dir`.
pub backup_path: Option<String>,
}
#[derive(Debug, Serialize)]
pub struct RestoreRequest {
pub backup_path: Option<String>,
}
// A swap enum variant
#[derive(Clone, Debug)]
pub(crate) 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(),
}
}
}
#[derive(Clone, Debug)]
pub(crate) enum SwapScriptV2 {
Bitcoin(BtcSwapScriptV2),
Liquid(LBtcSwapScriptV2),
}
impl SwapScriptV2 {
pub(crate) fn as_bitcoin_script(&self) -> Result<BtcSwapScriptV2> {
match self {
SwapScriptV2::Bitcoin(script) => Ok(script.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
pub(crate) fn as_liquid_script(&self) -> Result<LBtcSwapScriptV2> {
match self {
SwapScriptV2::Liquid(script) => Ok(script.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
}
#[allow(clippy::large_enum_variant)]
pub(crate) enum SwapTxV2 {
Bitcoin(BtcSwapTxV2),
Liquid(LBtcSwapTxV2),
}
impl SwapTxV2 {
pub(crate) fn as_bitcoin_tx(&self) -> Result<BtcSwapTxV2> {
match self {
SwapTxV2::Bitcoin(tx) => Ok(tx.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
pub(crate) fn as_liquid_tx(&self) -> Result<LBtcSwapTxV2> {
match self {
SwapTxV2::Liquid(tx) => Ok(tx.clone()),
_ => Err(anyhow!("Invalid chain")),
}
}
}
#[derive(Debug, Copy, Clone, PartialEq, Serialize)]
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),
}
}
}
/// A chain swap
#[derive(Clone, Debug)]
pub(crate) struct ChainSwap {
pub(crate) id: String,
pub(crate) direction: Direction,
pub(crate) claim_address: String,
pub(crate) lockup_address: String,
pub(crate) timeout_block_height: u32,
pub(crate) preimage: String,
pub(crate) payer_amount_sat: u64,
pub(crate) receiver_amount_sat: u64,
pub(crate) claim_fees_sat: u64,
pub(crate) accept_zero_conf: bool,
/// JSON representation of [crate::persist::send::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,
}
impl ChainSwap {
pub(crate) fn get_claim_keypair(&self) -> LiquidSdkResult<Keypair> {
utils::decode_keypair(&self.claim_private_key).map_err(Into::into)
}
pub(crate) fn get_refund_keypair(&self) -> LiquidSdkResult<Keypair> {
utils::decode_keypair(&self.refund_private_key).map_err(Into::into)
}
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_claim_swap_script(&self) -> LiquidSdkResult<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(LBtcSwapScriptV2::chain_from_swap_resp(
Side::Claim,
chain_swap_details,
our_pubkey.into(),
)?),
Direction::Outgoing => SwapScriptV2::Bitcoin(BtcSwapScriptV2::chain_from_swap_resp(
Side::Claim,
chain_swap_details,
our_pubkey.into(),
)?),
};
Ok(swap_script)
}
pub(crate) fn get_lockup_swap_script(&self) -> LiquidSdkResult<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(BtcSwapScriptV2::chain_from_swap_resp(
Side::Lockup,
chain_swap_details,
our_pubkey.into(),
)?),
Direction::Outgoing => SwapScriptV2::Liquid(LBtcSwapScriptV2::chain_from_swap_resp(
Side::Lockup,
chain_swap_details,
our_pubkey.into(),
)?),
};
Ok(swap_script)
}
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)
}
}
/// A submarine swap, used for Send
#[derive(Clone, Debug)]
pub(crate) struct SendSwap {
pub(crate) id: String,
pub(crate) invoice: String,
pub(crate) preimage: Option<String>,
pub(crate) payer_amount_sat: u64,
pub(crate) receiver_amount_sat: u64,
/// 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 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) refund_private_key: String,
}
impl SendSwap {
pub(crate) fn get_refund_keypair(&self) -> Result<Keypair, PaymentError> {
utils::decode_keypair(&self.refund_private_key).map_err(Into::into)
}
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,
swap_tree: internal_create_response.swap_tree.clone().into(),
blinding_key: internal_create_response.blinding_key.clone(),
};
Ok(res)
}
pub(crate) fn get_swap_script(&self) -> Result<LBtcSwapScriptV2, PaymentError> {
LBtcSwapScriptV2::submarine_from_swap_resp(
&self.get_boltz_create_response()?,
self.get_refund_keypair()?.public_key().into(),
)
.map_err(|e| PaymentError::Generic {
err: 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)]
pub(crate) 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,
/// The amount of the invoice
pub(crate) payer_amount_sat: u64,
pub(crate) receiver_amount_sat: u64,
pub(crate) claim_fees_sat: u64,
/// Persisted as soon as a claim tx is broadcast
pub(crate) claim_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) state: PaymentState,
}
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 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<LBtcSwapScriptV2, 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
),
})?;
LBtcSwapScriptV2::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)
}
}
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct RefundableSwap {
pub swap_address: String,
pub timestamp: u32,
pub amount_sat: u64,
}
impl From<ChainSwap> for RefundableSwap {
fn from(swap: ChainSwap) -> Self {
Self {
swap_address: swap.lockup_address,
timestamp: swap.created_at,
amount_sat: swap.payer_amount_sat,
}
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Serialize, Hash)]
pub enum PaymentState {
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 our refund tx was broadcast
///
/// When the refund tx is broadcast, `refund_tx_id` is set in the swap.
RefundPending = 6,
}
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),
_ => Err(FromSqlError::OutOfRange(i)),
},
_ => Err(FromSqlError::InvalidType),
}
}
}
#[derive(Debug, Copy, Clone, PartialEq, Serialize)]
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 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,
/// The onchain fees of this tx
pub fees_sat: u64,
pub payment_type: PaymentType,
/// Onchain tx status
pub is_confirmed: bool,
}
#[derive(Debug, Clone, Serialize)]
pub struct PaymentSwapData {
pub swap_id: String,
/// Swap creation timestamp
pub created_at: u32,
pub preimage: Option<String>,
pub bolt11: Option<String>,
/// Amount sent by the swap payer
pub payer_amount_sat: u64,
/// Amount received by the swap receiver
pub receiver_amount_sat: u64,
pub refund_tx_id: Option<String>,
pub refund_tx_amount_sat: Option<u64>,
/// Payment status derived from the swap status
pub status: PaymentState,
}
/// 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 {
pub tx_id: Option<String>,
/// The swap ID, if any swap is associated with this payment
pub swap_id: 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,
/// In case of a Send swap, this is the preimage of the paid invoice (proof of payment).
pub preimage: Option<String>,
/// Represents the 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
pub bolt11: Option<String>,
/// For a Send swap which was refunded, this is the refund tx id
pub refund_tx_id: Option<String>,
/// For a Send swap which was refunded, this is the refund amount
pub refund_tx_amount_sat: Option<u64>,
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,
}
impl Payment {
pub(crate) fn from_pending_swap(swap: PaymentSwapData, payment_type: PaymentType) -> Payment {
let amount_sat = match payment_type {
PaymentType::Receive => swap.receiver_amount_sat,
PaymentType::Send => swap.payer_amount_sat,
};
Payment {
tx_id: None,
swap_id: Some(swap.swap_id),
timestamp: swap.created_at,
amount_sat,
fees_sat: swap.payer_amount_sat - swap.receiver_amount_sat,
preimage: swap.preimage,
bolt11: swap.bolt11,
refund_tx_id: swap.refund_tx_id,
refund_tx_amount_sat: swap.refund_tx_amount_sat,
payment_type,
status: swap.status,
}
}
pub(crate) fn from_tx_data(tx: PaymentTxData, swap: Option<PaymentSwapData>) -> Payment {
Payment {
tx_id: Some(tx.tx_id),
swap_id: swap.as_ref().map(|s| s.swap_id.clone()),
timestamp: match swap {
Some(ref swap) => swap.created_at,
None => tx.timestamp.unwrap_or(utils::now()),
},
amount_sat: tx.amount_sat,
fees_sat: match swap.as_ref() {
Some(s) => s.payer_amount_sat - s.receiver_amount_sat,
None => match tx.payment_type {
PaymentType::Receive => 0,
PaymentType::Send => tx.fees_sat,
},
},
preimage: swap.as_ref().and_then(|s| s.preimage.clone()),
bolt11: swap.as_ref().and_then(|s| s.bolt11.clone()),
refund_tx_id: swap.as_ref().and_then(|s| s.refund_tx_id.clone()),
refund_tx_amount_sat: swap.as_ref().and_then(|s| s.refund_tx_amount_sat),
payment_type: tx.payment_type,
status: match swap {
Some(swap) => swap.status,
None => match tx.is_confirmed {
true => PaymentState::Complete,
false => PaymentState::Pending,
},
},
}
}
}
/// 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(),
}
}
}
/// 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)]
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>,
}
#[macro_export]
macro_rules! get_invoice_amount {
($invoice:expr) => {
$invoice
.parse::<Bolt11Invoice>()
.expect("Expecting valid invoice")
.amount_milli_satoshis()
.expect("Expecting valid amount")
/ 1000
};
}