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Merge pull request #36 from deadshotryker/main
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feat: Added zerolend adapter
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@nitish-91
nitish-91 authored Apr 30, 2024
2 parents ef037ae + 7a19a35 commit 80107f6
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24 changes: 24 additions & 0 deletions adapters/zerolend/package.json
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{
"name": "zerolend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"type": "commonjs",
"scripts": {
"start": "node dist/index.js",
"compile": "tsc",
"watch": "tsc -w",
"clear": "rm -rf dist",
"test": "node "
},
"keywords": [],
"author": "",
"license": "UNLICENSED",
"dependencies": {
"fast-csv": "^5.0.1"
},
"devDependencies": {
"@types/node": "^20.11.17",
"typescript": "^5.3.3"
}
}
152 changes: 152 additions & 0 deletions adapters/zerolend/src/index.ts
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import { write } from "fast-csv";
import fs from "fs";

interface IResponse {
data: {
userReserves: IData[];
};
}

interface IData {
user: {
id: string;
};
currentTotalDebt: string;
currentATokenBalance: string;
reserve: {
underlyingAsset: string;
symbol: string;
name: string;
};
liquidityRate: "0";
}

type OutputDataSchemaRow = {
block_number: number;
timestamp: number;
user_address: string;
token_address: string;
token_balance: number;
token_symbol: string;
usd_price: number;
};

interface BlockData {
blockNumber: number;
blockTimestamp: number;
}

const queryURL =
"https://api.studio.thegraph.com/query/65585/zerolend-linea-market/version/latest";

export const main = async (
blockNumber: number,
blockTimestamp: number
): Promise<OutputDataSchemaRow[]> => {
const timestamp = new Date();
const first = 1000;

let lastAddress = "0x0000000000000000000000000000000000000000";
const rows: OutputDataSchemaRow[] = [];

do {
const query = `{
userReserves(
where: {and: [{or: [{currentTotalDebt_gt: 0}, {currentATokenBalance_gt: 0}]}, {user_gt: "${lastAddress}"}]}
first: ${first}
) {
user {
id
}
currentTotalDebt
currentATokenBalance
reserve {
underlyingAsset
symbol
name
}
liquidityRate
}
}`;

const response = await fetch(queryURL, {
method: "POST",
body: JSON.stringify({ query }),
headers: { "Content-Type": "application/json" },
});
const batch: IResponse = await response.json();

if (batch.data.userReserves.length <= 1) break;

batch.data.userReserves.forEach((data: IData) => {
const balance =
BigInt(data.currentATokenBalance) - BigInt(data.currentTotalDebt);

if (balance !== 0n)
rows.push({
block_number: blockNumber,
timestamp: blockTimestamp,
user_address: data.user.id,
token_address: data.reserve.underlyingAsset,
token_balance: Number(balance),
token_symbol: data.reserve.symbol,
usd_price: 0,
});

lastAddress = data.user.id;
});

console.log(
`Processed ${rows.length} rows. Last address is ${lastAddress}`
);
} while (true);

return rows;
};

export const writeCSV = async (data: OutputDataSchemaRow[]) => {
// File path where the CSV will be saved
const filePath = "outputData.csv";
const headers = [
"block_number",
"timestamp",
"user_address",
"token_address",
"token_balance",
"token_symbol",
];

// Create a write stream
const fileStream = fs.createWriteStream(filePath);

// Create a CSV writer
const csvStream = write([]);

csvStream.pipe(fileStream);
csvStream.write(headers);
data.forEach((row) => {
csvStream.write([
row.block_number,
row.timestamp,
row.user_address,
row.token_address,
row.token_balance,
row.token_symbol,
]);
});

csvStream.on("finish", () => {
console.log("CSV file has been written successfully.");
csvStream.end();
});
};

export const getUserTVLByBlock = async (blocks: BlockData) => {
const { blockNumber, blockTimestamp } = blocks;
return await main(blockNumber, blockTimestamp);
};

main(0, 0).then(async (data) => {
console.log("Done", data);
await writeCSV(data);
});
101 changes: 101 additions & 0 deletions adapters/zerolend/tsconfig.json
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{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "es2022", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "jsx": "preserve", /* Specify what JSX code is generated. */
// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
/* Modules */
"module": "commonjs", /* Specify what module code is generated. */
"rootDir": "src/", /* Specify the root folder within your source files. */
// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
// "resolveJsonModule": true, /* Enable importing .json files. */
// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
"outDir": "dist/", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true /* Skip type checking all .d.ts files. */
}
}
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