Skip to main content

How to get coin activities from block to block

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 coin activities from block to block​

In order to get coin activities from block to block, Blocklens provides you a getCoinActivitiesFromBlockToBlock endpoint to do so.

Here you'll need parameters: from_block, to_block.

Once you've obtained all the from_block, to_block, 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.APTOS_MAINNET.getCoinActivitiesFromBlockToBlock({"from_block":18246150,"to_block":18246151});
  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": "string",
    "page": 0,
    "limit": 0,
    "total_items": 0,
    "data": [
      {
        "transaction_version": 46292538,
        "event_index": 1,
        "amount": 1500000000,
        "block_height": 15747799,
        "coin_type": "0x6de517a18f003625e7fba9b9dc29b310f2e3026bbeb1997b3ada9de1e3cec8d6::opc::OPC",
        "activity_type": "0x1::coin::DepositEvent",
        "entry_function_id_str": "0x6de517a18f003625e7fba9b9dc29b310f2e3026bbeb1997b3ada9de1e3cec8d6::opc::transfer",
        "event_account_address": "0x673afeeb37ccba25508b82d3647876446e177de2b71d488c0704e0a0a6ba5711",
        "event_sequence_number": 1,
        "is_gas_fee": true,
        "is_transaction_success": true,
        "owner_address": "0x673afeeb37ccba25508b82d3647876446e177de2b71d488c0704e0a0a6ba5711",
        "block_time": "2023-06-19 23:25:05.006",
        "timestamp": 1,
        "event_creation_number": 2
      }
    ]
  }
]

Congratulations 🥳 you just found the get coin activities from block to block 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​

If you face any trouble following the tutorial, feel free to reach out to our community engineers in our Discord or Forum to get 24/7 developer support.