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Restore the coins pallet to the runtime

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This commit is contained in:
Luke Parker
2025-03-06 05:53:18 -05:00
parent b08ae8e6a7
commit d3d539553c
12 changed files with 273 additions and 215 deletions
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17
substrate/primitives/src/coin.rs
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@@ -13,6 +13,8 @@ use crate::network_id::{ExternalNetworkId, NetworkId};
feature = "non_canonical_scale_derivations",
derive(scale::Encode, scale::Decode, scale::MaxEncodedLen)
)]
#[cfg_attr(feature = "serde", derive(sp_core::serde::Serialize, sp_core::serde::Deserialize))]
#[cfg_attr(feature = "serde", serde(crate = "sp_core::serde"))]
#[non_exhaustive]
pub enum ExternalCoin {
/// Bitcoin, from the Bitcoin network.
@@ -39,6 +41,8 @@ impl ExternalCoin {
feature = "non_canonical_scale_derivations",
derive(scale::Encode, scale::Decode, scale::MaxEncodedLen)
)]
#[cfg_attr(feature = "serde", derive(sp_core::serde::Serialize, sp_core::serde::Deserialize))]
#[cfg_attr(feature = "serde", serde(crate = "sp_core::serde"))]
pub enum Coin {
/// The Serai coin.
Serai,
@@ -123,4 +127,17 @@ impl Coin {
Coin::External(c) => c.network().into(),
}
}
/// The decimals used for a single human unit of this coin.
///
/// This may be less than the decimals used for a single human unit of this coin *by defined
/// convention*. If so, that means Serai is *truncating* the decimals. A coin which is defined
/// as having 8 decimals, while Serai claims it has 4 decimals, will have `0.00019999`
/// interpreted as `0.0001` (in human units, in atomic units, 19999 will be interpreted as 1).
pub fn decimals(&self) -> u32 {
match self {
Coin::Serai => 9,
Coin::External(c) => c.decimals(),
}
}
}