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use alloc::{collections::BTreeMap, vec::Vec};
use crate::{
auction::{Bid, DelegationRate, Delegator},
bytesrepr::{self, FromBytes, ToBytes},
CLType, CLTyped, PublicKey, U512,
};
#[cfg_attr(test, derive(Debug))]
#[derive(Default, PartialEq, Clone)]
pub struct SeigniorageRecipient {
stake: U512,
delegation_rate: DelegationRate,
delegators: BTreeMap<PublicKey, Delegator>,
}
impl SeigniorageRecipient {
pub fn stake(&self) -> &U512 {
&self.stake
}
pub fn delegation_rate(&self) -> &DelegationRate {
&self.delegation_rate
}
pub fn delegators(&self) -> &BTreeMap<PublicKey, Delegator> {
&self.delegators
}
pub fn total_stake(&self) -> U512 {
self.stake + self.delegator_total_stake()
}
pub fn delegator_total_stake(&self) -> U512 {
self.delegators
.values()
.map(Delegator::staked_amount)
.cloned()
.sum()
}
}
impl CLTyped for SeigniorageRecipient {
fn cl_type() -> CLType {
CLType::Any
}
}
impl ToBytes for SeigniorageRecipient {
fn to_bytes(&self) -> Result<Vec<u8>, bytesrepr::Error> {
let mut result = bytesrepr::allocate_buffer(self)?;
result.extend(self.stake.to_bytes()?);
result.extend(self.delegation_rate.to_bytes()?);
result.extend(self.delegators.to_bytes()?);
Ok(result)
}
fn serialized_length(&self) -> usize {
self.stake.serialized_length()
+ self.delegation_rate.serialized_length()
+ self.delegators.serialized_length()
}
}
impl FromBytes for SeigniorageRecipient {
fn from_bytes(bytes: &[u8]) -> Result<(Self, &[u8]), bytesrepr::Error> {
let (stake, bytes) = FromBytes::from_bytes(bytes)?;
let (delegation_rate, bytes) = FromBytes::from_bytes(bytes)?;
let (delegators, bytes) = FromBytes::from_bytes(bytes)?;
Ok((
SeigniorageRecipient {
stake,
delegation_rate,
delegators,
},
bytes,
))
}
}
impl From<&Bid> for SeigniorageRecipient {
fn from(bid: &Bid) -> Self {
Self {
stake: *bid.staked_amount(),
delegation_rate: *bid.delegation_rate(),
delegators: bid.delegators().clone(),
}
}
}
#[cfg(test)]
mod tests {
use alloc::collections::BTreeMap;
use core::iter::FromIterator;
use crate::{
auction::{DelegationRate, Delegator, SeigniorageRecipient},
bytesrepr, AccessRights, SecretKey, URef, U512,
};
#[test]
fn serialization_roundtrip() {
let uref = URef::new([0; 32], AccessRights::READ_ADD_WRITE);
let validator_key = SecretKey::ed25519([1; SecretKey::ED25519_LENGTH]).into();
let delegator_1_key = SecretKey::ed25519([42; SecretKey::ED25519_LENGTH]).into();
let delegator_2_key = SecretKey::ed25519([43; SecretKey::ED25519_LENGTH]).into();
let delegator_3_key = SecretKey::ed25519([44; SecretKey::ED25519_LENGTH]).into();
let seigniorage_recipient = SeigniorageRecipient {
stake: U512::max_value(),
delegation_rate: DelegationRate::max_value(),
delegators: BTreeMap::from_iter(vec![
(
validator_key,
Delegator::new(U512::max_value(), uref, delegator_1_key),
),
(
validator_key,
Delegator::new(U512::max_value(), uref, delegator_2_key),
),
(
validator_key,
Delegator::new(U512::zero(), uref, delegator_3_key),
),
]),
};
bytesrepr::test_serialization_roundtrip(&seigniorage_recipient);
}
}