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build.mjs
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build.mjs
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import path from "path";
import algosdk from "algosdk";
import { readdir, mkdir, rm, appendFile } from "fs/promises";
import {
existsSync,
mkdirSync,
lstatSync,
readdirSync,
copyFileSync,
} from "fs";
import { fileURLToPath } from "url";
if (!process.env.INDEXER_TOKEN) {
throw new Error("No INDEXER_TOKEN was provided.");
}
const ALGOD_CREDENTIALS = {
algodev: {
indexerToken: process.env.INDEXER_TOKEN,
indexerServer: "https://b-indexer-mainnet.chain.perawallet.app/",
port: 443,
},
};
const indexer = new algosdk.Indexer(
ALGOD_CREDENTIALS.algodev.indexerToken,
ALGOD_CREDENTIALS.algodev.indexerServer,
ALGOD_CREDENTIALS.algodev.port
);
const __filename = fileURLToPath(import.meta.url);
const algoIconsFolderName = "ALGO";
const ASSET_LOGO_BASE_URL = "https://asa-list.tinyman.org";
const currentDirname = path.dirname(__filename);
const buildDirectory = path.join(currentDirname, "build");
const ASSET_ICON_MAP = new Map();
const ASSET_MAP = new Map();
try {
if (existsSync(buildDirectory)) {
await rm(buildDirectory, { recursive: true });
}
await mkdir(buildDirectory);
await mkdir(`${buildDirectory}/assets`);
const files = await readdir(path.join(currentDirname, "assets"));
const assetIDs = [];
for (const file of files) {
try {
const assetFolderPath = path.join(currentDirname, "assets", file);
if (lstatSync(assetFolderPath).isDirectory()) {
const folderFiles = await readdir(assetFolderPath);
if (folderFiles.some((folderFile) => folderFile.includes("icon.png"))) {
const targetDirName = createTargetDirectoryName(path.basename(file));
copyDirectorySync(
assetFolderPath,
path.join(buildDirectory, "assets"),
targetDirName
);
// if targetDirName is an asset id, we fetch the asset information and add it to assets.json
if (Number(targetDirName) >= 0) {
assetIDs.push(Number(targetDirName));
} else {
// adds icon placeholder to ASSET_ICON_MAP
ASSET_ICON_MAP.set(targetDirName, getAssetLogo(targetDirName));
}
}
}
} catch (error) {
console.error(error);
throw error;
}
}
console.log(`┏━━━ Fetching asset data from the indexer ━━━━━━━━━━━━`);
const assetData = await Promise.all(assetIDs.map(getAssetInformationById));
assetData.forEach((asset) => {
ASSET_MAP.set(asset.id, asset);
ASSET_ICON_MAP.set(asset.id, asset.logo.png);
});
// Create icons.json file and save it under /build directory
console.log(`\n┏━━━ Creating icons.json ━━━━━━━━━━━━`);
const assetIcons = Object.fromEntries(ASSET_ICON_MAP);
const assetIconsJSON = JSON.stringify(assetIcons, null, "\t");
await appendFile(path.join(buildDirectory, "icons.json"), assetIconsJSON);
console.log(`━━━━━━━━━━━━ Created icons.json ━━━━━━━━━━━━\n`);
// Create assets.json file and save it under /build directory
console.log(`┏━━━ Creating assets.json ━━━━━━━━━━━━`);
const assets = Object.fromEntries(ASSET_MAP);
const assetsJSON = JSON.stringify(assets, null, "\t");
await appendFile(path.join(buildDirectory, "assets.json"), assetsJSON);
console.log(`━━━━━━━━━━━━ Finished ━━━━━━━━━━━━`);
} catch (error) {
console.error(error);
throw error;
}
/**
* @param {string} source
* @returns Directory name that includes only asset ids
*/
function createTargetDirectoryName(source) {
// If there is a match, the last capturing group will always be the asset id
const idMatchResult = source.match(/(.*)-(\d+)/);
let targetDirName = source;
if (idMatchResult?.length) {
targetDirName = idMatchResult[idMatchResult.length - 1];
} else if (source.toLowerCase() === algoIconsFolderName.toLowerCase()) {
targetDirName = "0";
}
return targetDirName;
}
function copyDirectorySync(source, target, targetDirName) {
let files = [];
const targetFolder = path.join(target, targetDirName);
if (!existsSync(targetFolder)) {
console.log(`┏━━━ Creating ${targetFolder} ━━━━━━━━━━━━`);
mkdirSync(targetFolder);
}
if (lstatSync(source).isDirectory()) {
console.log(
`
Copying contents of ${source} into ${targetFolder} ━━━━━━━━━━━━`
);
files = readdirSync(source);
files.forEach(function (file) {
const curSource = path.join(source, file);
if (lstatSync(curSource).isDirectory()) {
copyDirectorySync(curSource, targetFolder);
} else {
console.log(`••••• Copying ${curSource}`);
copyFileSync(curSource, path.join(targetFolder, file));
}
});
console.log(`
━━━━━━━━━━━━ Finished copying ${source} ━━━━━━━━━━━━
`);
}
}
/**
* Generates URL for the asset's logo
*/
function getAssetLogo(assetId, type = "png") {
let logo = `${ASSET_LOGO_BASE_URL}/assets/${assetId}/icon.png`;
if (type === "svg") {
logo = `${ASSET_LOGO_BASE_URL}/assets/${assetId}/icon.svg`;
}
return logo;
}
/**
* Fetches asset information from the indexer
* @param {number} id
*/
async function getAssetInformationById(id) {
try {
if (id === 0) {
return {
id: `${id}`,
name: "Algorand",
unit_name: "ALGO",
decimals: 6,
url: "https://algorand.org",
total_amount: "6615503326932151",
logo: { png: getAssetLogo(id), svg: getAssetLogo(id, "svg") },
deleted: false,
};
}
console.log(`••••• Looking up asset #${id}`);
const { asset } = await indexer.lookupAssetByID(id).do();
return {
id: `${asset.index}`,
decimals: Number(asset.params.decimals),
name: asset.params.name || "",
unit_name: asset.params["unit-name"] || "",
url: "",
total_amount: String(asset.params.total),
logo: { png: getAssetLogo(id), svg: getAssetLogo(id, "svg") },
deleted: asset.deleted,
};
} catch (error) {
console.error(error);
throw new Error(`Failed to fetch information for asset #${id}`);
}
}