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How to get erc20 token mints by transaction hash

Prerequisites​

Before getting started, make sure you have the following ready:

  • Node v.14+
  • NPM

Step 1: Setup Blocklens​

First register your Blocklens account and get your Blocklens API Key.

Once you have your Blocklens API Key, install the Blocklens SDK in your project.

npm i blocklens-sdk

Step 2: Get ERC20 token mints by transaction hash​

In order to get erc20 token mints by transaction hash, Blocklens provides you a getErc20MintsByTransaction endpoint to do so.

Here you'll need a parameter: transaction_hash.

Once you've obtained the transaction_hash, you can copy the following code:

import Blocklens from "blocklens-sdk";

const blocklens = new Blocklens();
blocklens.init({ apiKey: "YOUR_API_KEY" });

const runApis = async () => {
  const response = await blocklens.ETH_MAINNET.getErc20MintsByTransaction("0x12259c8b5a0f51320bb1b64dfb2b1b61e24aaa127318b0cf92d209525f0d5447");
  console.log(response);
};

runApis();

Step 3: Run the script​

ts-node index.ts

In your terminal, you should see the following JSON response with the data: In your terminal, you should see the following JSON response with the data blocks:

{
  "cursor": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6NTUzNDk2MzA2ODAwNjYsInBhZ2UiOjEsInRyYW5zYWN0aW9uIjoiMHgxMjI1OWM4YjVhMGY1MTMyMGJiMWI2NGRmYjJiMWI2MWUyNGFhYTEyNzMxOGIwY2Y5MmQyMDk1MjVmMGQ1NDQ3IiwiaWF0IjoxNjk3NjAzMTgyfQ.ulOnhUJWtk2rOSAdbWkoi02pPANT7cXJIC81FIOAw44",
  "page": 1,
  "limit": 1,
  "total_items": 1,
  "data": [
    {
      "token_name": "Robotina token",
      "token_symbol": "ROX",
      "token_decimals": 18,
      "contract_address": "0x574F84108a98c575794F75483d801d1d5DC861a5",
      "transaction_hash": "0x12259c8b5a0f51320bb1b64dfb2b1b61e24aaa127318b0cf92d209525f0d5447",
      "transaction_index": 68,
      "log_index": 66,
      "block_hash": "0xb7bb25a4f22b1cef36c0a90d2358ec386cf4bc5ec5bdb1ac63d8c32543a9d140",
      "block_number": 5534963,
      "to_wallet": "0x940b249c5154540bad93E7De0BaABd852bf49F13",
      "value": "20287507752809394514200",
      "value_decimal": "20287.5077528093945142",
      "timestamp": 1525134310
    }
  ]
}

Congratulations 🥳 you just found the get erc20 token mints by transaction hash on multiple chains with only a few lines of code using the Blocklens Wallet API!

API Reference​

If you want to know more details on the endpoint and optional parameters, check out:

Support​

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