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adding arb rewards (will last until february 15th, i will stage PR to remove slightly before then) #1088

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merged 4 commits into from
Nov 24, 2023
Merged

adding arb rewards (will last until february 15th, i will stage PR to remove slightly before then) #1088

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7595968
adding arb rewards
Cooops Nov 22, 2023
6ccdd92
fixing test
Cooops Nov 22, 2023
a86ab87
last fix
Cooops Nov 22, 2023
20a638a
adding date based logic
Cooops Nov 23, 2023
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49 changes: 46 additions & 3 deletions src/adaptors/lodestar-v1/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,12 @@ const PROTOCOL_TOKEN = {
address: '0xF19547f9ED24aA66b03c3a552D181Ae334FBb8DB'.toLowerCase(),
};

const ARB_TOKEN = {
decimals: 18,
symbol: 'ARB',
address: '0x912CE59144191C1204E64559FE8253a0e49E6548'.toLowerCase(),
}

const getPrices = async (addresses) => {
const prices = (
await superagent.get(
Expand Down Expand Up @@ -153,13 +159,14 @@ const main = async () => {
);

const lodePrices = await getPrices([`${CHAIN}:${PROTOCOL_TOKEN.address}`]);
const arbPrices = await getPrices([`${CHAIN}:${ARB_TOKEN.address}`]);

const pools = allMarkets.map((market, i) => {
const token = underlyingTokens[i] || NATIVE_TOKEN.address;
const symbol =
// for maker
underlyingTokens[i]?.toLowerCase() ===
'0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2'
'0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2'
? 'MKR'
: underlyingSymbols[i] || NATIVE_TOKEN.symbol;

Expand Down Expand Up @@ -188,10 +195,46 @@ const main = async () => {
100
);
};
const apyReward = calcRewardApy(extraRewards, totalSupplyUsd);

const baseApyReward = calcRewardApy(extraRewards, totalSupplyUsd);
const _apyRewardBorrow = calcRewardApy(extraRewardsBorrow, totalBorrowUsd);
const apyRewardBorrow = isNaN(_apyRewardBorrow) ? 0 : _apyRewardBorrow;

// Need to math off the total TVL for ARB and supply and borrow rewards are distributed evenly
let totalTvlUsd = 0;

// Calculate total TVL (sum of supply and borrow for all markets)
allMarkets.forEach((market, i) => {
const decimals = Number(underlyingDecimals[i]) || NATIVE_TOKEN.decimals;
let price = prices[underlyingTokens[i]?.toLowerCase() || NATIVE_TOKEN.address.toLowerCase()];
if (price === undefined)
price = underlyingSymbols[i]?.toLowerCase().includes('usd') ? 1 : 0;

const totalSupplyUsd =
((Number(marketsCash[i]) + Number(totalBorrows[i])) / 10 ** decimals) *
price;
const totalBorrowUsd = (Number(totalBorrows[i]) / 10 ** decimals) * price;

totalTvlUsd += totalSupplyUsd + totalBorrowUsd;
});

// Calculate ARB APY reward based on total TVL
const calcRewardApyForArb = (denom) => {
return ((arbPrices[ARB_TOKEN.address] * 50892 * 52) / denom) * 100;
};

// Define the cut-off date (February 15th, 2024) for the ARB stip rewards
const cutOffDate = new Date('2024-02-15');
const currentDate = new Date();

let arbApyReward = 0;
if (currentDate <= cutOffDate) {
arbApyReward = calcRewardApyForArb(totalTvlUsd);
}

// Computed total (LODE + ARB rewards)
const apyReward = baseApyReward + arbApyReward;

let poolReturned = {
pool: market.toLowerCase(),
chain: utils.formatChain(CHAIN),
Expand All @@ -201,7 +244,7 @@ const main = async () => {
apyBase,
apyReward,
underlyingTokens: [token],
rewardTokens: [apyReward ? PROTOCOL_TOKEN.address : null].filter(Boolean),
rewardTokens: arbApyReward > 0 ? [ARB_TOKEN.address, PROTOCOL_TOKEN.address] : [PROTOCOL_TOKEN.address],
};
if (isPaused[i] === false) {
poolReturned = {
Expand Down
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