From 04cfda60ea0ec71b415b98ef5ec8882f40f4b299 Mon Sep 17 00:00:00 2001 From: Roman Date: Fri, 22 Oct 2021 21:29:59 +0300 Subject: [PATCH] initial commit. --- .gitignore | 1 + README.md | 78 ++++- package-lock.json | 718 +++++++++++++++++++++++++++++++++++++++++++++ package.json | 29 ++ src/index.ts | 102 +++++++ src/keystore.ts | 105 +++++++ src/lunaCatcher.ts | 157 ++++++++++ src/updateKey.ts | 36 +++ tsconfig.json | 19 ++ 9 files changed, 1243 insertions(+), 2 deletions(-) create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 src/index.ts create mode 100644 src/keystore.ts create mode 100644 src/lunaCatcher.ts create mode 100644 src/updateKey.ts create mode 100644 tsconfig.json diff --git a/.gitignore b/.gitignore index 6704566..f2682d6 100644 --- a/.gitignore +++ b/.gitignore @@ -102,3 +102,4 @@ dist # TernJS port file .tern-port +/sourceWallet.json diff --git a/README.md b/README.md index e9a0d37..23725b8 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,76 @@ -# terra-luna-catcher -Catches the Luna falling into the wallet and forwards it on +# Terra Luna Catcher +This source code is used to catches the Luna falling into the wallet and forwards it on to desired wallet. +How it can be used is totally up to you. + +## DISCLAIMER + +YOU USE THE SOURCE CODE AT YOUR OWN RISK. YOU ACKNOWLEDGE AND AGREE THAT YOU ARE RESPONSIBLE FOR YOUR USE OF THE SOURCE CODE PROVIDED AND WE DISCLAIM ANY LIABILITY ARISING FROM YOUR USE OF THIS SOURCE CODE. + +## Overview + +This code periodically checks the balance (LUNA token only) of the source wallet for which you have a mnemonic phrase. If an amount equal to 1 Luna or more appears on the source wallet, then the code automatically and unconditionally transfers almost the entire amount to the target wallet that was specified at the start of this script. +The main source of inspiration was ([this code](https://github.com/terra-money/oracle-feeder)). + +### WARNING + +The script does not check that the target wallet belongs to you, therefore, when you run the script, ALWAYS check the address of the target wallet. +We are NOT RESPONSIBLE if the script sends money to the wrong address. +We recommend that you check the script by sending a small amount to the source wallet to make sure that the transfer is being made to the target wallet you need. + + +## Prerequisites + +- Install [Node.js version 14 or greater](https://nodejs.org/) + +## Instructions + +1. Clone this repository + +```sh +git clone https://github.com/Luna-Station-88/terra-luna-catcher +cd terra-luna-catcher +``` + +2. Install dependencies + +```sh +npm install +``` + +2. Create access key for source wallet from your mnemonic phrase + +To access the wallet and make a transfer, the code needs a mnemonic phrase, this phrase will be encrypted with the password you specify. +You will need this password to run the script. + +```sh +npm start update-key + +Enter a passphrase to encrypt your key to disk: ******** +Repeat the passphrase: ******** +Enter your bip39 mnemonic : +saved! +✨ Done in 9.19s. +``` + +3. Catching the Luna + +Now you can start catching process using arguments*. + + + ``` shell + $ npm start trycatch -- \ + --chain-id columbus-5 \ + --lcd https://terra-lcd.easy2stake.com/ \ + --lcd https://lcd.terra.dev \ + --target-account terra1yxABCDEFGH \ + --password "" + ``` + +* Arguments + +| Argument | Description | Example | +| ----------- | ------------------------------------------------ | ---------------------------- | +| `target-account` | Target wallet address | terra1j27nm2gjm0m4lsye8lspa46rax0rw4fge9awrs | +| `lcd` | LCD server URL (can be multiple) | https://lcd.terra.dev | +| `chain-id` | Chain ID. | `columbus-5` or `bombay-12` | +| `password` | Password for mnemonic (assigned in step #2) | `12345678` | diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..5337bf5 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,718 @@ +{ + "name": "luna-catcher", + "version": "0.1.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + 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"version": "0.1.0", + "description": "Luna Catcher", + "main": "src/index.ts", + "author": { + "name": "" + }, + "scripts": { + "start": "ts-node src/index.ts" + }, + "dependencies": { + "@terra-money/terra.js": "^2.1.3", + "argparse": "^2.0.1", + "axios": "^0.21.2", + "bluebird": "^3.7.2", + "crypto-js": "^4.1.1", + "promptly": "^3.2.0", + "ts-node": "^10.0.0", + "typescript": "^4.1.3" + }, + "devDependencies": { + "@types/bluebird": "^3.5.33", + "@types/node": "^15.12.0" + }, + "engines": { + "node": ">=14" + } +} diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..83570bb --- /dev/null +++ b/src/index.ts @@ -0,0 +1,102 @@ +import { ArgumentParser } from 'argparse' +import { lunaCatcher } from './lunaCatcher' +import { updateKey } from './updateKey' +import * as packageInfo from '../package.json' + +function registerCommands(parser: ArgumentParser): void { + const subparsers = parser.add_subparsers({ + title: `commands`, + dest: `subparser_name`, + description: `Available commands`, + }); + + // Voting command + const tryCatchCommand = subparsers.add_parser(`trycatch`, { + add_help: true, + description: `Check periodically account balance and if Luna balance is greater then 0 trying to move Luna to specified wallet.`, + }); + + tryCatchCommand.add_argument(`--lcd`, { + action: 'append', + help: 'lcd address', + dest: 'lcdAddress', + required: true, + }); + + tryCatchCommand.add_argument(`--chain-id`, { + action: `store`, + help: `chain ID`, + dest: `chainID`, + required: true, + }); + + tryCatchCommand.add_argument(`--target-account`, { + action: `store`, + help: `target account (wallet) address (e.g. terra1j27...), `, + required: true, + dest: 'targetAccount', + }); + + tryCatchCommand.add_argument(`--password`, { + action: `store`, + help: `encrypted key password`, + required: true, + }); + + tryCatchCommand.add_argument(`--key-path`, { + action: `store`, + help: `key store path to save encrypted key`, + dest: `keyPath`, + required: false, + }); + + tryCatchCommand.add_argument('-v', '--version', { action: 'version', version: packageInfo.version }); + + // Updating Key command + const keyCommand = subparsers.add_parser(`update-key`, { add_help: true }); + + keyCommand.add_argument(`--key-path`, { + help: `key store path to save encrypted key`, + dest: `keyPath`, + default: `sourceWallet.json`, + }); +} + +async function main(): Promise { + const parser = new ArgumentParser({ + add_help: true, + description: `Trying to catch Luna in wallet`, + }); + + registerCommands(parser); + const args = parser.parse_args(); + + if (args.subparser_name === `trycatch`) { + + if (args.lcdAddress.length === 0) { + console.error('Missing --lcd'); + return; + } + + if (args.chainID.length === 0) { + console.error('Missing --chain-id'); + return; + } + + args.keyPath = args.keyPath || process.env['KEY_PATH'] || 'sourceWallet.json'; + + args.password = args.password || process.env['PASSPHRASE'] || ''; + if (args.keyPath === '' || args.passphrase === '') { + console.error('Missing either --key-path or --password'); + return; + } + + await lunaCatcher(args); + } else if (args.subparser_name === `update-key`) { + await updateKey(args.keyPath); + } +} + +main().catch((e) => { + console.error(e); +}); \ No newline at end of file diff --git a/src/keystore.ts b/src/keystore.ts new file mode 100644 index 0000000..b5826cc --- /dev/null +++ b/src/keystore.ts @@ -0,0 +1,105 @@ +import * as fs from 'fs' +import * as crypto from 'crypto' +import { MnemonicKey } from '@terra-money/terra.js' + +const KEY_SIZE = 256; +const ITERATIONS = 100; + +interface Entity { + name: string; + address: string; + ciphertext: string; +} + +interface PlainEntity { + privateKey: string; + publicKey: string; + terraAddress: string; + terraValAddress: string; +} + +function encrypt(plainText, pass): string { + const salt = crypto.randomBytes(16); + const iv = crypto.randomBytes(16); + const key = crypto.pbkdf2Sync(pass, salt, ITERATIONS, KEY_SIZE / 8, 'sha1'); + + const cipher = crypto.createCipheriv('AES-256-CBC', key, iv); + const encryptedText = Buffer.concat([cipher.update(plainText), cipher.final()]).toString('base64'); + + // salt, iv will be hex 32 in length + // append them to the ciphertext for use in decryption + return salt.toString('hex') + iv.toString('hex') + encryptedText; +} + +function decrypt(transitmessage, pass) { + const salt = Buffer.from(transitmessage.substr(0, 32), 'hex'); + const iv = Buffer.from(transitmessage.substr(32, 32), 'hex'); + const key = crypto.pbkdf2Sync(pass, salt, ITERATIONS, KEY_SIZE / 8, 'sha1'); + + const encryptedText = transitmessage.substring(64); + const cipher = crypto.createDecipheriv('AES-256-CBC', key, iv); + const decryptedText = Buffer.concat([ + cipher.update(encryptedText, 'base64'), + cipher.final(), + ]).toString(); + + return decryptedText; +} + +function loadEntities(path: string): Entity[] { + try { + return JSON.parse(fs.readFileSync(path, `utf8`) || `[]`); + } catch (e) { + console.error('loadKeys', e.message); + return []; + } +} + +export async function save( + filePath: string, + name: string, + password: string, + mnemonic: string +): Promise { + const keys = loadEntities(filePath); + + if (keys.find((key) => key.name === name)) { + throw new Error('Key already exists by that name'); + } + + const mnemonicKey = new MnemonicKey({ mnemonic }); + + const ciphertext = encrypt( + JSON.stringify({ + privateKey: mnemonicKey.privateKey.toString(`hex`), + // publicKey: (mnemonicKey.publicKey as Buffer).toString(`hex`), + terraAddress: mnemonicKey.accAddress, + }), + password + ); + + keys.push({ + name, + address: mnemonicKey.accAddress, + ciphertext, + }); + + fs.writeFileSync(filePath, JSON.stringify(keys)); + +} + +export function load(filePath: string, name: string, password: string): PlainEntity { + const keys = loadEntities(filePath); + const key = keys.find((key) => key.name === name); + + if (!key) { + throw new Error('Cannot load key by that name'); + } + + try { + const plainText = decrypt(key.ciphertext, password); + return JSON.parse(plainText); + } catch (err) { + throw new Error('Incorrect password'); + } +} \ No newline at end of file diff --git a/src/lunaCatcher.ts b/src/lunaCatcher.ts new file mode 100644 index 0000000..32960da --- /dev/null +++ b/src/lunaCatcher.ts @@ -0,0 +1,157 @@ +import * as crypto from 'crypto' +import * as Bluebird from 'bluebird' +import * as promptly from 'promptly' +import * as ks from './keystore' +import { + LCDClient, + RawKey, + Wallet, + Fee, + isTxError, + LCDClientConfig, + MsgSend, + Coin +} from '@terra-money/terra.js' +import * as packageInfo from '../package.json' + + +async function initKey(keyPath: string, password?: string): Promise { + const plainEntity = ks.load( + keyPath, + 'sourceWallet', + password || (await promptly.password(`Enter a passphrase:`, { replace: `*` })) + ); + + return new RawKey(Buffer.from(plainEntity.privateKey, 'hex')); +} + + +// yarn start catch command +export async function processCatch( + client: LCDClient, + wallet: Wallet, + sourceAccount: string, + targetAccount: string +): Promise { + + // Print timestamp before start + console.info(`${new Date().toUTCString()}, checking account balance...`); + + const balance = await client.bank.balance(sourceAccount); + const ulunaBalance = balance[0].get("uluna"); + + if (ulunaBalance) { + + var accountBalanceAsNumber = Number(ulunaBalance.amount); + + console.dir(`Current balance: ${accountBalanceAsNumber}uluna `); + + if (accountBalanceAsNumber >= 500000) { + + console.dir(`Balance is higher or equal to 1 Luna, trying to transfer to target account...`); + + const fee = 100000; + const amountToTransfer = accountBalanceAsNumber - fee; + + console.dir(`Amount to transfer ${amountToTransfer}uluna`); + + // create a simple message that moves coin balances + const send = new MsgSend( + sourceAccount, + targetAccount, + { uluna: amountToTransfer } + ); + + // sign and send + const msgs = [send]; + const tx = await wallet.createAndSignTx({ + msgs, + fee: new Fee(100000, [new Coin("uluna", fee)]), + memo: `Don't be evil. Funds rescue powered by Luna Station 88.`, + }); + + const res = await client.tx.broadcastSync(tx).catch((err) => { + console.error(`broadcast error: ${err.message}`, tx.toData()); + throw err; + }); + + if (isTxError(res)) { + console.error(`broadcast error: code: ${res.code}, raw_log: ${res.raw_log}`); + return; + } + + const txhash = res.txhash; + console.info(`broadcast success: txhash: ${txhash}`); + + await Bluebird.delay(3000); + } + } +} + +interface TryCatchArgs { + lcdAddress: string[]; + chainID: string; + targetAccount: string; + sourceAccount: string; + password: string; + keyPath: string; +} + +function buildLCDClientConfig(args: TryCatchArgs, lcdIndex: number): LCDClientConfig { + return { + URL: args.lcdAddress[lcdIndex], + chainID: args.chainID, + }; +} + +export async function lunaCatcher(args: TryCatchArgs): Promise { + const rawKey: RawKey = await initKey(args.keyPath, args.password); + const targetAccount = args.targetAccount; + const sourceAccount = rawKey.accAddress; + + const lcdRotate = { + client: new LCDClient(buildLCDClientConfig(args, 0)), + current: 0, + max: args.lcdAddress.length - 1, + }; + console.log(`Starting ...`); + console.log(`Source account (will be periodically checked for Luna): ${sourceAccount}`); + console.log(`Target account (Luna will be send to this address if any Luna exists in source account): ${targetAccount}`); + + while (true) { + + await processCatch( + lcdRotate.client, + lcdRotate.client.wallet(rawKey), + sourceAccount, + targetAccount + ).catch((err) => { + if (err.isAxiosError && err.response) { + console.error(err.message, err.response.data); + } else { + console.error(err.message); + } + + if (err.isAxiosError) { + console.info('vote: lcd client unavailable, rotating to next lcd client.'); + rotateLCD(args, lcdRotate); + } + }); + + await Bluebird.delay(2000); + } +} + +function rotateLCD(args: TryCatchArgs, lcdRotate: { client: LCDClient; current: number; max: number }) { + if (++lcdRotate.current > lcdRotate.max) { + lcdRotate.current = 0; + } + + lcdRotate.client = new LCDClient(buildLCDClientConfig(args, lcdRotate.current)); + console.info( + 'Switched to LCD address ' + lcdRotate.current + '(' + args.lcdAddress[lcdRotate.current] + ')' + ); + + return; +} + diff --git a/src/updateKey.ts b/src/updateKey.ts new file mode 100644 index 0000000..cb3bc2f --- /dev/null +++ b/src/updateKey.ts @@ -0,0 +1,36 @@ +import * as keystore from './keystore' +import * as promptly from 'promptly' + +export async function updateKey(filePath: string): Promise { + let password = process.env['PASSPHRASE'] || ''; + let mnemonic = process.env['MNEMONIC'] || ''; + + if (password === '') { + password = await promptly.password(`Enter a passphrase to encrypt your key to disk:`, { + replace: `*`, + }); + const confirm = await promptly.password(`Repeat the passphrase:`, { replace: `*` }); + + if (password !== confirm) { + console.error(`ERROR: passphrases don't matchPassword confirm failed`); + return; + } + } + + if (password.length < 8) { + console.error(`ERROR: password must be at least 8 characters`); + return; + } + + if (mnemonic === '') { + mnemonic = await promptly.prompt(`Enter your bip39 mnemonic: `); + } + + if (mnemonic.trim().split(` `).length !== 24) { + console.error(`Error: Mnemonic is not valid.`); + return; + } + + await keystore.save(filePath, 'sourceWallet', password, mnemonic); + console.info(`saved!`); +} \ No newline at end of file diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..1610612 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,19 @@ +{ + "compilerOptions": { + "lib": [ "es2020" ], + "module": "commonjs", + "target": "es2019", + "allowJs": false, + "emitDecoratorMetadata": true, + "experimentalDecorators": true, + "allowSyntheticDefaultImports": true, + "moduleResolution": "node", + "skipLibCheck": true, + "strictNullChecks": true, + "sourceMap": true, + "outDir": "dist", + "baseUrl": "src", + "sourceRoot": "src", + "resolveJsonModule": true + } +} \ No newline at end of file