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use candid::CandidType;
use serde::{Deserialize, Serialize};
/// 10^8 Satoshi = 1 Bitcoin.
pub type Satoshi = u64;
/// Bitcoin Network.
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy,
)]
pub enum BitcoinNetwork {
/// Mainnet.
#[serde(rename = "mainnet")]
Mainnet,
/// Testnet.
#[serde(rename = "testnet")]
Testnet,
/// Regtest.
///
/// This is only available when developing with local replica.
#[serde(rename = "regtest")]
Regtest,
}
impl Default for BitcoinNetwork {
fn default() -> Self {
Self::Regtest
}
}
/// Bitcoin Address.
pub type BitcoinAddress = String;
/// Block Hash.
pub type BlockHash = Vec<u8>;
/// Element in the Response of [bitcoin_get_current_fee_percentiles](super::bitcoin_get_current_fee_percentiles).
pub type MillisatoshiPerByte = u64;
/// Identifier of [Utxo].
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct Outpoint {
/// Transaction Identifier.
pub txid: Vec<u8>,
/// A implicit index number.
pub vout: u32,
}
/// Unspent transaction output (UTXO).
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct Utxo {
/// See [Outpoint].
pub outpoint: Outpoint,
/// Value in the units of satoshi.
pub value: Satoshi,
/// Height in the chain.
pub height: u32,
}
/// Filter for requesting UTXOs.
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone,
)]
pub enum UtxoFilter {
/// Minimum number of confirmations. There is an upper bound of 144. Typically set to a value around 6 in practice.
#[serde(rename = "min_confirmations")]
MinConfirmations(u32),
/// Page reference.
///
/// DON'T construct it from scratch.
/// Only get it from the `next_page` field of [GetUtxosResponse].
#[serde(rename = "page")]
Page(Vec<u8>),
}
/// Argument type of [bitcoin_get_balance](super::bitcoin_get_balance).
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct GetBalanceRequest {
/// See [BitcoinAddress].
pub address: BitcoinAddress,
/// See [BitcoinNetwork].
pub network: BitcoinNetwork,
/// Minimum number of confirmations. There is an upper bound of 144. Typically set to a value around 6 in practice.
pub min_confirmations: Option<u32>,
}
/// Argument type of [bitcoin_get_utxos](super::bitcoin_get_utxos).
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct GetUtxosRequest {
/// See [BitcoinAddress].
pub address: BitcoinAddress,
/// See [BitcoinNetwork].
pub network: BitcoinNetwork,
/// See [UtxoFilter].
pub filter: Option<UtxoFilter>,
}
/// Response type of [bitcoin_get_utxos](super::bitcoin_get_utxos).
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct GetUtxosResponse {
/// List of UTXOs.
pub utxos: Vec<Utxo>,
/// Hash of the tip block.
pub tip_block_hash: BlockHash,
/// Height of the tip height.
pub tip_height: u32,
/// Page reference when the response needs to be paginated.
///
/// To be used in [UtxoFilter::Page].
pub next_page: Option<Vec<u8>>,
}
/// Argument type of [bitcoin_send_transaction](super::bitcoin_send_transaction).
#[derive(
CandidType, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Default,
)]
pub struct SendTransactionRequest {
/// The serialized transaction data.
///
/// Several checks are performed.
/// See [IC method `bitcoin_send_transaction`](https://internetcomputer.org/docs/current/references/ic-interface-spec/#ic-bitcoin_send_transaction).
pub transaction: Vec<u8>,
/// See [BitcoinNetwork].
pub network: BitcoinNetwork,
}
/// Argument type of [bitcoin_get_current_fee_percentiles](super::bitcoin_get_current_fee_percentiles).
#[derive(
CandidType,
Serialize,
Deserialize,
Debug,
PartialEq,
Eq,
PartialOrd,
Ord,
Hash,
Clone,
Copy,
Default,
)]
pub struct GetCurrentFeePercentilesRequest {
/// See [BitcoinNetwork].
pub network: BitcoinNetwork,
}