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view.rs
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view.rs
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use crate::*;
use near_sdk::json_types::U64;
#[derive(Serialize)]
#[serde(crate = "near_sdk::serde")]
#[cfg_attr(feature = "test", derive(Deserialize, Clone))]
pub struct Metadata {
pub version: String,
pub owner_id: AccountId,
pub next_owner_id: Option<AccountId>,
pub next_owner_accept_deadline: Option<u64>,
pub ref_exchange_id: AccountId,
pub state: RunningState,
pub operators: Vec<AccountId>,
pub farmer_count: U64,
pub farm_count: U64,
pub outdated_farm_count: U64,
pub seed_count: U64,
}
#[derive(Serialize)]
#[serde(crate = "near_sdk::serde")]
#[cfg_attr(feature = "test", derive(Deserialize, Clone))]
pub struct StorageReport {
pub storage: U64,
pub locking_near: U128,
}
#[near_bindgen]
impl Contract {
//******** Contract Concern */
pub fn get_metadata(&self) -> Metadata {
Metadata {
version: env!("CARGO_PKG_VERSION").to_string(),
owner_id: self.data().owner_id.clone(),
next_owner_id: self.data().next_owner_id.clone(),
next_owner_accept_deadline: self.data().next_owner_accept_deadline.clone(),
ref_exchange_id: self.data().ref_exchange_id.clone(),
state: self.data().state.clone(),
operators: self.data().operators.to_vec(),
farmer_count: self.data().farmer_count.into(),
farm_count: self.data().farm_count.into(),
outdated_farm_count: self.data().outdated_farms.len().into(),
seed_count: self.data().seeds.len().into(),
}
}
pub fn get_config(&self) -> Config {
self.internal_config()
}
pub fn get_contract_storage_report(&self) -> StorageReport {
let su = env::storage_usage();
StorageReport {
storage: U64(su),
locking_near: U128(su as Balance * env::storage_byte_cost()),
}
}
pub fn list_outdated_farms(
&self,
from_index: Option<u64>,
limit: Option<u64>,
) -> Vec<SeedFarm> {
let values = self.data().outdated_farms.values_as_vector();
let from_index = from_index.unwrap_or(0);
let limit = limit.unwrap_or(values.len());
(from_index..std::cmp::min(values.len(), from_index + limit))
.map(|index| values.get(index).unwrap().into())
.collect()
}
pub fn get_outdated_farm(&self, farm_id: FarmId) -> Option<SeedFarm> {
self.data().outdated_farms.get(&farm_id).map(|vf| {
match vf {
VSeedFarm::V0(farm) => {
farm.into()
}
VSeedFarm::Current(farm) => {
farm
}
}
})
}
/// return slashed seed and its amount in this contract in a hashmap
pub fn list_slashed(&self, from_index: Option<u64>, limit: Option<u64>) -> HashMap<SeedId, U128> {
let keys = self.data().seeds_slashed.keys_as_vector();
let from_index = from_index.unwrap_or(0);
let limit = limit.unwrap_or(keys.len());
(from_index..std::cmp::min(from_index + limit, keys.len()))
.map(|index| {
(
keys.get(index).unwrap(),
self.data().seeds_slashed.get(&keys.get(index).unwrap()).unwrap().into()
)
})
.collect()
}
/// return lostfound seed and its amount in this contract in a hashmap
pub fn list_lostfound(&self, from_index: Option<u64>, limit: Option<u64>) -> HashMap<SeedId, U128> {
let keys = self.data().seeds_lostfound.keys_as_vector();
let from_index = from_index.unwrap_or(0);
let limit = limit.unwrap_or(keys.len());
(from_index..std::cmp::min(from_index + limit, keys.len()))
.map(|index| {
(
keys.get(index).unwrap(),
self.data().seeds_lostfound.get(&keys.get(index).unwrap()).unwrap().into()
)
})
.collect()
}
//******** Seed Concern */
pub fn list_seeds_info(&self, from_index: Option<u64>, limit: Option<u64>) -> Vec<Seed> {
let values = self.data().seeds.values_as_vector();
let from_index = from_index.unwrap_or(0);
let limit = limit.unwrap_or(values.len());
(from_index..std::cmp::min(values.len(), from_index + limit))
.map(|index| values.get(index).unwrap().into())
.collect()
}
pub fn get_seed(&self, seed_id: SeedId) -> Option<Seed> {
self.data().seeds.get(&seed_id).map(|vs| {
let VSeed::Current(seed) = vs;
seed
})
}
pub fn list_seed_farms(&self, seed_id: SeedId) -> Vec<SeedFarm> {
let seed = self.internal_unwrap_seed(&seed_id);
seed.farms
.values()
.map(|vf| {
match vf {
VSeedFarm::V0(farm) => {
farm.clone().into()
}
VSeedFarm::Current(farm) => {
farm.clone()
}
}
})
.collect()
}
pub fn get_farm(&self, farm_id: FarmId) -> Option<SeedFarm> {
let (seed_id, _) = parse_farm_id(&farm_id);
let seed = self.internal_unwrap_seed(&seed_id);
seed.farms.get(&farm_id).map(|vf| {
match vf {
VSeedFarm::V0(farm) => {
farm.clone().into()
}
VSeedFarm::Current(farm) => {
farm.clone()
}
}
})
}
//******** Farmer Concern */
pub fn get_unclaimed_rewards(
&self,
farmer_id: AccountId,
seed_id: SeedId,
) -> HashMap<AccountId, U128> {
let farmer = self.internal_unwrap_farmer(&farmer_id);
let seed = self.internal_unwrap_seed(&seed_id);
let (_, rewards, _) = self.internal_calc_farmer_claim(&farmer, &seed);
rewards
.into_iter()
.map(|(key, val)| (key, val.into()))
.collect()
}
pub fn list_farmer_seeds(
&self,
farmer_id: AccountId,
from_index: Option<u64>,
limit: Option<u64>,
) -> HashMap<SeedId, FarmerSeed> {
if let Some(farmer) = self.internal_get_farmer(&farmer_id) {
let seeds_keys = farmer.seeds.keys_as_vector();
let seeds_keys_len = seeds_keys.len();
let vseeds_keys = farmer.vseeds.keys_as_vector();
let keys_len = seeds_keys.len() + vseeds_keys.len();
let from_index = from_index.unwrap_or(0);
let limit = limit.unwrap_or(keys_len);
(from_index..std::cmp::min(keys_len, from_index + limit))
.map(|idx| {
let key = if idx < seeds_keys_len {
seeds_keys.get(idx).unwrap()
} else {
vseeds_keys.get(idx - seeds_keys_len).unwrap()
};
(key.clone(), farmer.get_seed_unwrap(&key))
})
.collect::<HashMap<SeedId, FarmerSeed>>()
} else {
HashMap::new()
}
}
pub fn get_farmer_seed(&self, farmer_id: AccountId, seed_id: SeedId) -> Option<FarmerSeed> {
if let Some(farmer) = self.internal_get_farmer(&farmer_id) {
farmer.get_seed(&seed_id)
} else {
None
}
}
/// Returns reward token claimed for given user outside of any farms.
/// Returns empty list if no rewards claimed.
pub fn list_farmer_rewards(&self, farmer_id: AccountId) -> HashMap<AccountId, U128> {
if let Some(farmer) = self.internal_get_farmer(&farmer_id) {
farmer.rewards.into_iter()
.map(|(token_id, amount)| (token_id, U128(amount)))
.collect()
} else {
HashMap::new()
}
}
/// Returns balance of amount of given reward token that ready to withdraw.
pub fn get_farmer_reward(&self, farmer_id: AccountId, token_id: AccountId) -> U128 {
if let Some(farmer) = self.internal_get_farmer(&farmer_id) {
farmer.rewards.get(&token_id)
.map(|v| v.clone().into())
.unwrap_or(U128(0))
} else {
U128(0)
}
}
pub fn get_farmer_sponsor(&self, farmer_id: AccountId) -> Option<AccountId> {
if let Some(farmer) = self.internal_get_farmer(&farmer_id) {
Some(farmer.sponsor_id)
} else {
None
}
}
}