+/// Maximum block height that can be used in a `short_channel_id`. This
+/// value is based on the 3-bytes available for block height.
+pub const MAX_SCID_BLOCK: u64 = 0x00ffffff;
+
+/// Maximum transaction index that can be used in a `short_channel_id`.
+/// This value is based on the 3-bytes available for tx index.
+pub const MAX_SCID_TX_INDEX: u64 = 0x00ffffff;
+
+/// Maximum vout index that can be used in a `short_channel_id`. This
+/// value is based on the 2-bytes available for the vout index.
+pub const MAX_SCID_VOUT_INDEX: u64 = 0xffff;
+