kelp: gain : tvl by contract

adapters/kelp_gain_linea/hourly_blocks.csv

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+number,timestamp
+8111746	,1723627927

adapters/kelp_gain_linea/package.json

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+{
+  "name": "kelp_gain_linea",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node dist/index.js",
+    "compile": "tsc",
+    "watch": "tsc -w",
+    "clear": "rm -rf dist"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@types/big.js": "^6.2.2",
+    "big.js": "^6.2.1",
+    "bignumber.js": "^9.1.2",
+    "csv-parser": "^3.0.0",
+    "decimal.js-light": "^2.5.1",
+    "ethers": "^5.7.2",
+    "fast-csv": "^5.0.1",
+    "graphql": "^16.6.0",
+    "graphql-request": "^6.1.0",
+    "jsbi": "^4.3.0",
+    "tiny-invariant": "^1.3.1",
+    "toformat": "^2.0.0",
+    "ethereum-block-by-date": "^1.4.9"
+  },
+  "devDependencies": {
+    "@types/ethereum-block-by-date": "^1.4.1",
+    "@types/node": "^20.11.17",
+    "typescript": "^5.3.3"
+  }
+}

adapters/kelp_gain_linea/src/index.ts

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+import fs from "fs";
+import { write } from "fast-csv";
+import csv from "csv-parser";
+import {
+  agConvertToAssets,
+  agETHTotalLiquid,
+  getEtherumBlock,
+  getRsETHBalance,
+  getRsETHPrice,
+  getWRsETHBalance
+} from "./lib/fetcher";
+import { rsETH } from "./lib/utils";
+import BigNumber from "bignumber.js";
+import { ethers } from "ethers";
+import { getAllAgEthHodlers, UserBalanceSubgraphEntry } from "./lib/query";
+interface BlockData {
+  blockTimestamp: number;
+  blockNumber: number;
+}
+
+type OutputDataSchemaRow = {
+  block_number: number;
+  timestamp: number;
+  user_address: string;
+  token_address: string;
+  token_balance: bigint;
+  token_symbol: string; // token symbol should be empty string if it is not available
+  usd_price: number; // assign 0 if not available
+};
+
+const getMultiplierPercent = (tvlInUSD: BigNumber) => {
+  if (tvlInUSD.lt(100_000_000)) {
+    return 138;
+  } else if (tvlInUSD.lt(300_000_000)) {
+    return 144;
+  } else if (tvlInUSD.lt(500_000_000)) {
+    return 150;
+  } else if (tvlInUSD.lt(800_000_000)) {
+    return 156;
+  }
+  return 156;
+};
+export const getRsEthTVLInUSD = async (blockNumber: number) => {
+  const [rsETHBalanceRaw, wrsETHBalanceRaw, rsEthPrice] = await Promise.all([
+    getRsETHBalance(blockNumber),
+    getWRsETHBalance(blockNumber),
+    getRsETHPrice(blockNumber)
+  ]);
+
+  const rsETHBalance = new BigNumber(ethers.utils.formatEther(rsETHBalanceRaw));
+
+  const tvlInUSD = rsETHBalance.times(rsEthPrice);
+  const lineaTVLInRsEth = BigInt(rsETHBalanceRaw) + BigInt(wrsETHBalanceRaw);
+
+  return {
+    tvlInUSD,
+    lineaTVLInRsEth,
+    rsEthPrice
+  };
+};
+
+export const getUserTVLByBlock = async (blocks: BlockData) => {
+  const { blockNumber, blockTimestamp } = blocks;
+
+  const ethBlockNumber = await getEtherumBlock(blockTimestamp);
+  const [tvl, agRate, agEthTotalSupply, allUser] = await Promise.all([
+    getRsEthTVLInUSD(blockNumber),
+    agConvertToAssets(ethBlockNumber),
+    agETHTotalLiquid(ethBlockNumber),
+    getAllAgEthHodlers(ethBlockNumber)
+  ]);
+
+  // Total rsETH deposit to mainnet
+  const mainnetTVLInRsETH =
+    BigInt(agEthTotalSupply * agRate) / BigInt(10 ** 18);
+
+  const lineaToMainnetRatio =
+    (BigInt(tvl.lineaTVLInRsEth) * BigInt(10 ** 18)) /
+    BigInt(mainnetTVLInRsETH);
+
+  console.log(
+    `Ratio linea/mainnet ${ethers.utils.formatEther(
+      lineaToMainnetRatio
+    )}, lineaTVL: ${ethers.utils.formatEther(
+      tvl.lineaTVLInRsEth
+    )} rsETH, mainnetTVL: ${ethers.utils.formatEther(mainnetTVLInRsETH)} rsETH`
+  );
+  const csvRows: OutputDataSchemaRow[] = [];
+  const mulPercent = getMultiplierPercent(tvl.tvlInUSD);
+
+  allUser.forEach((item: UserBalanceSubgraphEntry) => {
+    const userBalanceAgEth = item.balance;
+    const mainnetUserBalanceRsEth =
+      (((BigInt(userBalanceAgEth) * BigInt(agRate)) / BigInt(10 ** 18)) *
+        BigInt(mulPercent)) /
+      100n;
+
+    const lineaUserBalance =
+      (lineaToMainnetRatio * mainnetUserBalanceRsEth) / BigInt(10 ** 18);
+
+    csvRows.push({
+      block_number: blockNumber,
+      timestamp: blockTimestamp,
+      user_address: item.id.toLowerCase(),
+      token_address: rsETH.toLowerCase(),
+      token_balance: lineaUserBalance,
+      token_symbol: "rsETH",
+      usd_price: tvl.rsEthPrice.toNumber()
+    });
+  });
+
+  return csvRows;
+};
+
+const readBlocksFromCSV = async (filePath: string): Promise<BlockData[]> => {
+  const blocks: BlockData[] = [];
+
+  await new Promise<void>((resolve, reject) => {
+    fs.createReadStream(filePath)
+      .pipe(csv()) // Specify the separator as '\t' for TSV files
+      .on("data", (row) => {
+        const blockNumber = parseInt(row.number, 10);
+        const blockTimestamp = parseInt(row.timestamp, 10);
+        if (!isNaN(blockNumber) && blockTimestamp) {
+          blocks.push({ blockNumber: blockNumber, blockTimestamp });
+        }
+      })
+      .on("end", () => {
+        resolve();
+      })
+      .on("error", (err) => {
+        reject(err);
+      });
+  });
+
+  return blocks;
+};
+
+readBlocksFromCSV("hourly_blocks.csv")
+  .then(async (blocks: any[]) => {
+    console.log(blocks);
+    const allCsvRows: any[] = []; // Array to accumulate CSV rows for all blocks
+    const batchSize = 1000; // Size of batch to trigger writing to the file
+    let i = 0;
+
+    for (const block of blocks) {
+      try {
+        const result = await getUserTVLByBlock(block);
+        allCsvRows.push(...result);
+      } catch (error) {
+        console.error(`An error occurred for block ${block}:`, error);
+      }
+    }
+    await new Promise((resolve, reject) => {
+      // const randomTime = Math.random() * 1000;
+      // setTimeout(resolve, randomTime);
+      const ws = fs.createWriteStream(`outputData.csv`, { flags: "w" });
+      write(allCsvRows, { headers: true })
+        .pipe(ws)
+        .on("finish", () => {
+          console.log(`CSV file has been written.`);
+          resolve;
+        });
+    });
+
+    // Clear the accumulated CSV rows
+    // allCsvRows.length = 0;
+  })
+  .catch((err) => {
+    console.error("Error reading CSV file:", err);
+  });

adapters/kelp_gain_linea/src/lib/fetcher.ts

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+import { ethers } from "ethers";
+import BigNumber from "bignumber.js";
+import {
+  chainlinkOracleContract,
+  KelpOracleContract as kelpOracleContract,
+  kelpGAINLinea,
+  rsETHContract,
+  dater,
+  agETHContract,
+  wrsETHContract,
+  agETH
+} from "./utils";
+
+export async function getEtherumBlock(blockTimestampSecs: number) {
+  const blockTimestampInMill = blockTimestampSecs * 1000;
+  const date = new Date(blockTimestampInMill); //
+  // External API
+
+  const res = await dater.getDate(date);
+  let blockNumber = res.block; // Try to get the exact block number
+
+  return blockNumber;
+}
+
+// Total supply - total agETH in the contract
+export async function agETHTotalLiquid(blockNumber: number): Promise<bigint> {
+  const [totalSupply, locked] = await Promise.all([
+    agETHTotalSupply(blockNumber),
+    agETHTotalLocked(blockNumber)
+  ]);
+
+  return totalSupply - locked;
+}
+
+async function agETHTotalSupply(blockNumber: number): Promise<bigint> {
+  let totalSupply = await agETHContract.totalSupply({
+    blockTag: blockNumber
+  });
+
+  return totalSupply;
+}
+
+async function agETHTotalLocked(blockNumber: number): Promise<bigint> {
+  let lockedAmount = await agETHContract.balanceOf(agETH, {
+    blockTag: blockNumber
+  });
+
+  return lockedAmount;
+}
+
+export async function getRsETHBalance(blockNumber: number): Promise<bigint> {
+  let rsETHBalance = await rsETHContract.balanceOf(kelpGAINLinea, {
+    blockTag: blockNumber
+  });
+
+  return rsETHBalance;
+}
+
+export async function getWRsETHBalance(blockNumber: number): Promise<bigint> {
+  let wrsETHBalance = await wrsETHContract.balanceOf(kelpGAINLinea, {
+    blockTag: blockNumber
+  });
+
+  return wrsETHBalance;
+}
+
+async function getETHPrice(blockNumber: number): Promise<string> {
+  const latestAnswer = await chainlinkOracleContract.latestAnswer({
+    blockTag: blockNumber
+  });
+
+  return latestAnswer;
+}
+
+async function rsETHRate(blockNumber: number): Promise<string> {
+  const rsETHRate = kelpOracleContract.rate({
+    blockTag: blockNumber
+  });
+  return rsETHRate;
+}
+
+async function decimals(blockNumber: number): Promise<string> {
+  const decimals = await chainlinkOracleContract.decimals({
+    blockTag: blockNumber
+  });
+
+  return decimals;
+}
+
+export async function agConvertToAssets(blockNumber: number): Promise<bigint> {
+  const rate = await agETHContract.convertToAssets(BigInt(10 ** 18), {
+    blockTag: blockNumber
+  });
+
+  return rate;
+}
+export async function getRsETHPrice(blockNumber: number): Promise<BigNumber> {
+  const [rsEthRateRaw, ethPriceRaw, ethPriceDec] = await Promise.all([
+    rsETHRate(blockNumber),
+    getETHPrice(blockNumber),
+    decimals(blockNumber)
+  ]);
+
+  let rsEthRate = new BigNumber(ethers.utils.formatEther(rsEthRateRaw));
+  let ethPrice = new BigNumber(
+    ethers.utils.formatUnits(ethPriceRaw, ethPriceDec)
+  );
+
+  return rsEthRate.times(ethPrice);
+}