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README.md

Chainlink External Adapter for blockchain.com

Configuration

The adapter takes the following environment variables:

Required? Name Description Options Defaults to
API_KEY blockchain.com API key to use
API_TIMEOUT API timeout parameter 30000

Input Params

Required? Name Description Options Defaults to
endpoint The endpoint to use balance

Balance endpoint

Input Params

Required? Name Description Options Defaults to
✅ result List of addresses to query
confirmations Confirmation parameter 6

Each item in the addresses list can contain the following parameters:

Required? Name Description Options Defaults to
✅ address Address to query
coin Currency to query btc
chain Chain to query mainnet

Sample Input

{
  "id": "1",
  "data": {
    "result": [
      {
        "address": "3D8DJLwUXFfZvE8yJRu729MZ8uLy25SuLz",
        "coin": "btc"
      },
      {
        "address": "3EyjZ6CtEZEKyc719NZMyWaJpJG5jsVJL1",
        "coin": "btc"
      },
      {
        "address": "38bzm6nhQMFJe71jJw1U7CbgNrVNpkonZF",
        "coin": "btc"
      },
      {
        "address": "3ANaBZ6odMrzdg9xifgRNxAUFUxnReesws",
        "coin": "btc"
      },
      {
        "address": "3FFgKaYkEf1M73QtzuY9DGqC7VeM2sAQhT",
        "coin": "btc"
      },
      {
        "address": "3KTeq879YjzhqkAXzZmdapJAVC6qz5qEth",
        "coin": "btc"
      },
      {
        "address": "35ULMyVnFoYaPaMxwHTRmaGdABpAThM4QR",
        "coin": "btc"
      }
    ],
    "confirmations": 3
  }
}

Sample Output

{
  "jobRunID": "1",
  "data": {
    "result": [
      {
        "address": "3D8DJLwUXFfZvE8yJRu729MZ8uLy25SuLz",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 44900000000
      },
      {
        "address": "3EyjZ6CtEZEKyc719NZMyWaJpJG5jsVJL1",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 9899463044
      },
      {
        "address": "38bzm6nhQMFJe71jJw1U7CbgNrVNpkonZF",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 307499838499
      },
      {
        "address": "3ANaBZ6odMrzdg9xifgRNxAUFUxnReesws",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 904070305884
      },
      {
        "address": "3FFgKaYkEf1M73QtzuY9DGqC7VeM2sAQhT",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 80000
      },
      {
        "address": "3KTeq879YjzhqkAXzZmdapJAVC6qz5qEth",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 264148085712
      },
      {
        "address": "35ULMyVnFoYaPaMxwHTRmaGdABpAThM4QR",
        "coin": "btc",
        "chain": "mainnet",
        "balance": 2601100000
      }
    ]
  },
  "result": [
    {
      "address": "3D8DJLwUXFfZvE8yJRu729MZ8uLy25SuLz",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "44900000000"
    },
    {
      "address": "3EyjZ6CtEZEKyc719NZMyWaJpJG5jsVJL1",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "9899463044"
    },
    {
      "address": "38bzm6nhQMFJe71jJw1U7CbgNrVNpkonZF",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "307499838499"
    },
    {
      "address": "3ANaBZ6odMrzdg9xifgRNxAUFUxnReesws",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "904070305884"
    },
    {
      "address": "3FFgKaYkEf1M73QtzuY9DGqC7VeM2sAQhT",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "80000"
    },
    {
      "address": "3KTeq879YjzhqkAXzZmdapJAVC6qz5qEth",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "264148085712"
    },
    {
      "address": "35ULMyVnFoYaPaMxwHTRmaGdABpAThM4QR",
      "coin": "btc",
      "chain": "mainnet",
      "balance": "2601100000"
    }
  ],
  "statusCode": 200
}

Difficulty endpoint

  • chain: Optional chain to query, defaults to mainnet
{
  "id": "1",
  "data": {
    "endpoint": "difficulty"
  }
}

Output

{
  "jobRunID": "1",
  "data": {
    "result": 23137439666472
  },
  "result": 23137439666472,
  "statusCode": 200
}

Height endpoint

  • chain: Optional chain to query, defaults to mainnet
{
  "id": "1",
  "data": {
    "endpoint": "height"
  }
}

Output

{
  "jobRunID": "1",
  "data": {
    "result": 678212
  },
  "result": 678212,
  "statusCode": 200
}