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Fix SLND_OPTION price reward, remove obsolete rewards endpoint. #29

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Fix SLND_OPTION price reward, remove obsolete rewards endpoint. #29

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115 changes: 39 additions & 76 deletions src/classes/market.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -166,18 +166,6 @@ export class SolendMarket {
await Promise.all(promises);
}

private async loadLMRewardData() {
const data = (
await axios.get(`${API_ENDPOINT}/liquidity-mining/reward-stats-v2`)
).data as Promise<{
[marketAddress: string]: {
[mintAddress: string]: RewardResponse;
};
}>;

return data;
}

private async loadExternalRewardData() {
const data = (
await axios.get(
Expand Down Expand Up @@ -230,84 +218,59 @@ export class SolendMarket {
}

const promises = [
this.loadLMRewardData(),
this.loadExternalRewardData(),
this.connection.getSlot("finalized"),
] as const;

const [lmRewards, externalRewards, currentSlot] = await Promise.all(
promises
);
const [externalRewards, currentSlot] = await Promise.all(promises);

const querySymbols = [
...new Set(externalRewards.map((reward) => reward.rewardSymbol)),
];

const priceData = await this.loadPriceData(querySymbols.concat("SLND"));
let priceData = await this.loadPriceData(querySymbols.concat("SLND"));
// TODO update pricing endpoint to cover Solend options, as otherwise
// it will need to be updated every time option strike price changes.
priceData["SLND_OPTION"] = priceData["SLND"] * 0.8;

this.rewardsData = this.reserves.reduce((acc, reserve) => {
const {
config: { mintAddress },
} = reserve;
const lmReward = lmRewards[this.config!.address][mintAddress];

const supply = [
lmReward?.supply
? {
rewardRate: this.getLatestRewardRate(
lmReward.supply.rewardRates,
currentSlot
).rewardRate,
rewardMint: "SLNDpmoWTVADgEdndyvWzroNL7zSi1dF9PC3xHGtPwp",
rewardSymbol: "SLND",
price: new BigNumber(priceData.SLND).toNumber(),
}
: null,
...externalRewards
.filter(
(externalReward) =>
externalReward.reserveID === reserve.config.address &&
externalReward.side === "supply"
)
.map((externalReward) => ({
rewardRate: this.getLatestRewardRate(
externalReward.rewardRates,
currentSlot
).rewardRate,
rewardMint: externalReward.rewardMint,
rewardSymbol: externalReward.rewardSymbol,
price: priceData[externalReward.rewardSymbol],
})),
].filter(Boolean);

const borrow = [
lmReward?.borrow
? {
rewardRate: this.getLatestRewardRate(
lmReward.borrow.rewardRates,
currentSlot
).rewardRate,
rewardMint: "SLNDpmoWTVADgEdndyvWzroNL7zSi1dF9PC3xHGtPwp",
rewardSymbol: "SLND",
price: new BigNumber(priceData.SLND).toNumber(),
}
: null,
...externalRewards
.filter(
(externalReward) =>
externalReward.reserveID === reserve.config.address &&
externalReward.side === "borrow"
)
.map((externalReward) => ({
rewardRate: this.getLatestRewardRate(
externalReward.rewardRates,
currentSlot
).rewardRate,
rewardMint: externalReward.rewardMint,
rewardSymbol: externalReward.rewardSymbol,
price: priceData[externalReward.rewardSymbol],
})),
].filter(Boolean);

const supply = externalRewards
.filter(
(externalReward) =>
externalReward.reserveID === reserve.config.address &&
externalReward.side === "supply"
)
.map((externalReward) => ({
rewardRate: this.getLatestRewardRate(
externalReward.rewardRates,
currentSlot
).rewardRate,
rewardMint: externalReward.rewardMint,
rewardSymbol: externalReward.rewardSymbol,
price: priceData[externalReward.rewardSymbol],
}))
.filter(Boolean);

const borrow = externalRewards
.filter(
(externalReward) =>
externalReward.reserveID === reserve.config.address &&
externalReward.side === "borrow"
)
.map((externalReward) => ({
rewardRate: this.getLatestRewardRate(
externalReward.rewardRates,
currentSlot
).rewardRate,
rewardMint: externalReward.rewardMint,
rewardSymbol: externalReward.rewardSymbol,
price: priceData[externalReward.rewardSymbol],
}))
.filter(Boolean);

return {
...acc,
Expand Down