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Daniel Mont Ferrandiz dferrandizmont

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Working from home
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  • Terrassa, Barcelona.
  • 12:35 (UTC +02:00)
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@dferrandizmont
dferrandizmont / solsender.js
Created December 2, 2024 07:32 — forked from LanfordCai/solsender.js
Solana Batch Transfer
'use strict'
const web3 = require('@solana/web3.js')
const splToken = require('@solana/spl-token')
const bs = require('bs58')
const connection = new web3.Connection(
web3.clusterApiUrl('devnet'),
'confirmed',
)
@dferrandizmont
dferrandizmont / rpc_fetch_raydium_pool_init.ts
Created June 21, 2024 12:52 — forked from rubpy/rpc_fetch_raydium_pool_init.ts
Finds Raydium AMM pool initialization transaction (partially deserializes pool state, calls getSignaturesForAddress, searches for a Raydium innerInstruction, etc.).
import * as web3 from "@solana/web3.js";
import bs58 from "bs58";
//////////////////////////////////////////////////
function findInstructionsInTransaction(
tx: web3.ParsedTransactionWithMeta,
predicate?: (instruction: web3.ParsedInstruction | web3.PartiallyDecodedInstruction, outerInstruction: (web3.ParsedInstruction | web3.PartiallyDecodedInstruction) | null) => boolean,
): Array<web3.ParsedInstruction | web3.PartiallyDecodedInstruction> {
if (!tx || !tx.meta || !tx.transaction || !tx.transaction.message || !tx.transaction.message.instructions) {
@dferrandizmont
dferrandizmont / raydium_sdk_v2_example.ts
Created June 21, 2024 12:51 — forked from rubpy/raydium_sdk_v2_example.ts
Fetching pool info and determining prices of token/SOL & SOL/USDC pairs via Raydium SDK V2.
import * as raydium from "@raydium-io/raydium-sdk-v2";
//////////////////////////////////////////////////
const RAYDIUM_CLMM_SOL_USDC_ID = "2QdhepnKRTLjjSqPL1PtKNwqrUkoLee5Gqs8bvZhRdMv";
function normalizeRaydiumBetaPoolInfoResponse(response: raydium.ApiV3PoolInfoItem[] | raydium.ApiV3PageIns<raydium.ApiV3PoolInfoItem>): raydium.ApiV3PoolInfoItem[] {
if (response === null || typeof response !== "object") {
return [];
}
@dferrandizmont
dferrandizmont / rpc_fetch_metaplex_token_metadata.ts
Created June 21, 2024 12:51 — forked from rubpy/rpc_fetch_metaplex_token_metadata.ts
Fetching on-chain Metaplex token metadata (through lightweight getAccountInfo).
import * as web3 from "@solana/web3.js";
import {
MPL_TOKEN_METADATA_PROGRAM_ID,
MetadataAccountData as MplMetadataAccountData,
getMetadataAccountDataSerializer,
} from "@metaplex-foundation/mpl-token-metadata";
//////////////////////////////////////////////////
const METAPLEX_PROGRAM_ID = new web3.PublicKey(MPL_TOKEN_METADATA_PROGRAM_ID);
@dferrandizmont
dferrandizmont / rpc_fetch_token_mint_info.ts
Created June 21, 2024 12:51 — forked from rubpy/rpc_fetch_token_mint_info.ts
Fetching basic token (mint) info (through getAccountInfo), e.g.: total supply, mintAuthority, freezeAuthority...
import * as web3 from "@solana/web3.js";
import { TOKEN_PROGRAM_ID, unpackMint, Mint } from "@solana/spl-token";
//////////////////////////////////////////////////
async function getTokenInfo(conn: web3.Connection, tokenMint: web3.PublicKey): Promise<Mint | null> {
const info = await conn.getAccountInfo(tokenMint);
if (!info) return null;
try {
@dferrandizmont
dferrandizmont / uniswap-v3-example.sol
Created December 11, 2023 21:47 — forked from mempirate/uniswap-v3-example.sol
Simple example on how to swap on UniswapV3 with the SwapRouter
//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@uniswap/v2-periphery/contracts/interfaces/IWETH.sol";
import "@uniswap/v3-periphery/contracts/interfaces/ISwapRouter.sol";
import "@uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol";
import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Factory.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
@dferrandizmont
dferrandizmont / docker.md
Created April 13, 2022 11:10 — forked from zmts/docker.md
Docker, TypeScript, Node.js

Docker, TypeScript, Node.js

Preconditions:

  • TS application listening port: 7777
|-- dist
|-- src
|-- .dockerignore
|-- Dockerfile