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eth_getBalance

Ethereum getBalance is an API endpoint that retrieves the balance for a particular address for any given currency on the Ethereum blockchain. In this section we will see how to create queries that serves as an alternative for the eth_getBalance JSON RPC method and how to customize it to get data we need.

eth_getBalance for One Address​

Get balance for all currencies​

You can run this query to get the current balance of a particular address. 

{
  EVM(dataset: combined){
    BalanceUpdates(
      where: {
        BalanceUpdate: {
          Address: {
            is: "0x21a31ee1afc51d94c2efccaa2092ad1028285549"
          }
        }
      }
    ) {
      Currency {
        Name
        Symbol
        SmartContract
      }
      sum(of: BalanceUpdate_AmountInUSD, selectWhere: {gt: "0"})
    }
  }
}

Get balance for one currency​

This query returns the balance of the mentioned address for a selected currency. The currency in question is Ethereum with SmartContract as 0x.

{
  EVM(dataset: combined){
    BalanceUpdates(
      where: {
        BalanceUpdate: {
          Address: {
            is: "0x21a31ee1afc51d94c2efccaa2092ad1028285549"
          }
        },
        Currency: {
          SmartContract: {
            is: "0x"
          }
        }
      }
    ) {
      Currency {
        Name
        Symbol
        SmartContract
      }
      sum(of: BalanceUpdate_AmountInUSD, selectWhere: {gt: "0"})
    }
  }
}

eth_getBalance for Multiple Addresses​

To get the balance of multiple addresses, this query can be used. 

{
  EVM(dataset: combined) {
    BalanceUpdates(
      where: {
        BalanceUpdate: {
          Address: {
            in: [
              "0xD51a44d3FaE010294C616388b506AcdA1bfAAE46",
              "0x6d07d7bac25d9e836bbceb3ed5e2a910214de846",
              "0x354e9fa5c6ee7e6092158a8c1b203ccac932d66d"
            ]
          }
        }
      }
    ) {
      Currency {
        Name
        Symbol
        SmartContract
      }
      sum(of: BalanceUpdate_AmountInUSD, selectWhere: {gt: "0"})
      BalanceUpdate {
        Address
      }
    }
  }
}