Celo API
Gas estimation
eth_estimateGas

eth_estimateGas - Celo

eth_estimateGas. Estimates the gas required to execute a transaction

eth_getEstimateGas - celo [Value: 60CU]
Calculates the exact amount of gas required, optimizing transaction efficiency and preventing out-of-gas errors
Use cases

Use cases

  • Estimate the gas needed for a transaction
  • Plan transactions to use optimal gas amounts
  • Optimize gas usage
Constraints

Constraints

  • Requires valid addresses
  • Estimates vary with network conditions
  • Calculation depends on the node's processing speed
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Language

Request
Examples
curl --request POST \
     --url https://celo.drpc.org \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_estimateGas",
  "params": [
    {
      "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
      "gas": "0x0",
      "gasPrice": "0x9184e72a000",
      "value": "0x0",
      "data": "0x"
    },
    {
      "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
      "gas": "0x0",
      "gasPrice": "0x9184e72a000",
      "value": "0x0",
      "data": "0x"
    }
  ]
}
'
Copy
Response
200
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xb1770efb14906e509893b6190359658208ae64d0c56e22f748a1b0869885559e"
}
Copy

Request params

idinteger
jsonrpcstring
methodstring
Parametersarray
array
transactionobject
array
fromstring
(optional) The sender's address.
tostring
The recipient's address.
gasinteger
(optional) The gas limit for the transaction.
gasPricestring
(optional) The gas price in wei.
valueinteger
(optional) The value sent in wei.
datastring
(optional) The data sent with the transaction.
objectobject
A state override set, mapping addresses to their respective states. Each address maps to an object with:
array
balancestring
Simulated balance assigned to the account prior to executing the call.
noncestring
Simulated nonce assigned to the account before the call.
codeinteger
Simulated EVM bytecode inserted into the account.
stateDiffstring
Simulated key-value pairs to override the account's storage slots.

Response

200
The estimated gas amount needed for the transaction, returned as a hexadecimal string.

Response params

object
idinteger
jsonrpcstring
resultstring
eth_feeHistoryeth_gasPrice