brk: first commit

_src/structs/address_size.rs

@@ -0,0 +1,32 @@
+use allocative::Allocative;
+
+use super::Amount;
+
+#[derive(PartialEq, PartialOrd, Ord, Eq, Debug, Allocative)]
+pub enum AddressSize {
+    Empty,
+    Plankton,
+    Shrimp,
+    Crab,
+    Fish,
+    Shark,
+    Whale,
+    Humpback,
+    Megalodon,
+}
+
+impl AddressSize {
+    pub fn from_amount(amount: Amount) -> Self {
+        match amount.to_sat() {
+            0 => Self::Empty,
+            1..=9_999_999 => Self::Plankton,
+            10_000_000..=99_999_999 => Self::Shrimp,
+            100_000_000..=999_999_999 => Self::Crab,
+            1_000_000_000..=9_999_999_999 => Self::Fish,
+            10_000_000_000..=99_999_999_999 => Self::Shark,
+            100_000_000_000..=999_999_999_999 => Self::Whale,
+            1_000_000_000_000..=9_999_999_999_999 => Self::Humpback,
+            10_000_000_000_000..=u64::MAX => Self::Megalodon,
+        }
+    }
+}