eth_estimateGas

Generates and returns an estimate of how much gas is necessary to allow the transaction to complete. The transaction will not be added to the blockchain.

Parameters

  1. Object - The transaction call object with the following:

    • from(optional): the address the transaction is sent from.

    • to(optional): the address the transaction is sent to.

    • gas(optional): Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.

    • gasPrice(optional): Integer of the gasPrice used for each paid gas.

    • value(optional): Integer of the value sent with this transaction.

    • data(optional): Hash of the method signature and encoded parameters. For details see Ethereum Contract ABI in the Solidity documentation.

  2. Quantity or tag - choose 1 of the following options:

    • A hexadecimal block number.

    • "earliest" - the earliest/genesis block.

    • "latest" - the latest mined block.

    • "safe" - the latest safe head block.

    • "finalized" - the latest finalized block.

    • "pending" - the pending state/transactions.

Sample Request

curl https://lb.nodies.app/v1/<INSERT URL> \
   -H "x-api-key: <API-KEY>" \
   -X POST \
   -H "Content-Type: application/json" \
   -d '{     
  "jsonrpc": "2.0",
  "method": "eth_estimateGas",
  "params": [
    {
      "from": "0x8D97689C9818892B700e27F316cc3E41e17fBeb9",
      "to": "0x49048044D57e1C92A77f79988d21Fa8fAF74E97e",
      "value": "0x186a0"
    },
    "latest"
  ],
  "id": 1
}'

Sample Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xd688"
}

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