JSON API BTC

На вход будет подаваться в таком формате JSON объект

   "blockchain":"Bitcoin",
   "net_type":1,
   "builder":{  
      "type":"basic",
      "payload":
      {
        "inputs":[  
           {  
              "balance/amount/value???":"130000000",
              "tx_id":"48979223adb5f7f340c4f27d6cc45a38adb37876b2d7e34d2457cbf57342a391",
              "index":0,
              "script_pub_key":"76a914d3f68b887224cabcc90a9581c7bbdace878666db88ac",
              "private_key":"cQeGKosJjWPn9GkB7QmvmotmBbVg1hm8UjdN6yLXEWZ5HAcRwam7"
           }
        ],
        "outputs":[  
           {  
              "address":"1DaBnJ28DocZBxPy7g6Lv8W6Yhcu98YSrE",
              "amount":"1000000",
              "pays_for_comision":true
           },
           {  
              "address":"1LKkvj9UhjUXe76M1uRfEPn39Lcx15etR7",
              "is_change": true
           }
        ]
      }
   },
   "transaction":{  
      "is_replaceable": true,
      "fee":{  
         "fee_per_byte":"30"
      }
   }
}

Результат будет формата представленного ниже:

{
  "transaction": {
    "serialized": "0x000",
    "change": {
      "address": "1LKkvj9UhjUXe76M1uRfEPn39Lcx15etR7",
      "amount": "1000"
    },
    "total_fee": "9999",
    "total_spent": "109999"
  }
}