estimateContractExecutionFee

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estimateContractExecutionFeeNode.js,latest

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Estimates gas fees that will be incurred for a contract execution transaction, given its ABI parameters and blockchain.

Parameters

input

object

Required

Represents the input parameters for estimating transfer fees.

option 1:

Show 4 properties

abiFunctionSignature

string

Required

The contract ABI function signature to be interacted with in the smart contract. For example, burn(uint256).

abiParameters

array of anys

Required

The parameters required by the contract ABI function to perform the contract interaction.

contractAddress

string

Required

The blockchain address of the contract to be executed.

source

object

Information about the source.

option 1:

Show 1 properties

walletId

string

Required

Identifier for the originating wallet.

option 2:

Show 2 properties

blockchain

string

Required

Blockchain associated with the transaction. Required along with sourceAddress if you don't provide walletId. The blockchain and walletId fields are mutually exclusive.

Allowed valuesARBARB-SEPOLIAAVAXAVAX-FUJIBASEBASE-SEPOLIAETHETH-SEPOLIAMATICMATIC-AMOYOPOP-SEPOLIAUNIUNI-SEPOLIA

sourceAddress

string

Required

The source blockchain address of the transaction.

option 2:

Show 3 properties

callData

string

Required

The raw transaction data, must be an even-length hexadecimal string with the 0x prefix, to be executed. It is important to note that the usage of callData is mutually exclusive with the abiFunctionSignature and abiParameters. Therefore, callData cannot be utilized simultaneously with either abiFunctionSignature or abiParameters.

contractAddress

string

Required

The blockchain address of the contract to be executed.

source

object

Information about the source.

option 1:

Show 1 properties

walletId

string

Required

Identifier for the originating wallet.

option 2:

Show 2 properties

blockchain

string

Required

Blockchain associated with the transaction. Required along with sourceAddress if you don't provide walletId. The blockchain and walletId fields are mutually exclusive.

Allowed valuesARBARB-SEPOLIAAVAXAVAX-FUJIBASEBASE-SEPOLIAETHETH-SEPOLIAMATICMATIC-AMOYOPOP-SEPOLIAUNIUNI-SEPOLIA

sourceAddress

string

Required

The source blockchain address of the transaction.

Responses

Data - EstimateTransactionFeeResponse

Response Body

object

data

object

Required

Show 6 properties

high

object

Show 6 properties

gasLimit

string

The maximum units of gas to use for the transaction. Required if feeLevel is not provided. Estimates for this limit can be obtained through the POST /transactions/transfer/estimateFee API. GasLimit override (only supported for EOA wallets): Using gasLimit together with feeLevel, the provided gasLimit is required to be greater or equal to feeLevel estimation and will override the estimation's gasLimit.

gasPrice

string

For blockchains without EIP-1559 support, the maximum price of gas, in gwei, to use per each unit of gas (see gasLimit). Requires gasLimit. Cannot be used with feeLevel, priorityFee, or maxFee. Estimates for this fee can be obtained through the POST /transactions/transfer/estimateFee API.

maxFee

string

For blockchains with EIP-1559 support, the maximum price per unit of gas (see gasLimit), in gwei. Requires priorityFee, and gasLimit to be present. Cannot be used with feeLevel or gasPrice. Estimates for this fee can be obtained through the POST /transactions/transfer/estimateFee API.

priorityFee

string

For blockchains with EIP-1559 support, the “tip”, in gwei, to add to the base fee as an incentive for validators. Please note that the maxFee and gasLimit parameters are required alongside the priorityFee. The feeLevel and gasPrice parameters cannot be used with the priorityFee. Estimations for this fee can be obtained through the POST /transactions/transfer/estimateFee API.

baseFee

string

For blockchains with EIP-1559 support, the estimated base fee represents the minimum fee required for a transaction to be included in a block on the blockchain. It is measured in gwei and compensates for the computational resources validators consume to process the transaction. The base fee is supplemented by a separate "tip" called the priority fee, which acts as an extra incentive for validators to prioritize the transaction. The priority fee is added to the base fee to calculate the final transaction fee.

networkFee

string

The estimated network fee is the maximum amount of cryptocurrency (such as ETH, ARB, or SOL) that you will pay for your transaction. This fee depends on the parameters you set, including Gas Limit, Priority Fee, and Max Fee. It compensates for the computational resources that validators consume to process the transaction. It is measured in native token such as ETH, SOL. For blockchains with L1 data fees such as OP/BASE, the network fee is a combination of the Execution Gas Fee and the L1 Data Fee. Each blockchain might use different formula for network fee. Refer to each specific blockchain's documentation to understand how networkFee is calculated.

low

object

Show 6 properties

gasLimit

string

gasPrice

string

maxFee

string

priorityFee

string

baseFee

string

networkFee

string

medium

object

Show 6 properties

gasLimit

string

gasPrice

string

maxFee

string

priorityFee

string

baseFee

string

networkFee

string

callGasLimit

string

One of ERC-4337 gas fields. The amount of gas to allocate for the main execution call. Only in smart contract account estimation response.

verificationGasLimit

string

One of ERC-4337 gas fields. The amount of gas to allocate for the verification step. Only in smart contract account estimation response.

preVerificationGas

string

One of ERC-4337 gas fields. The amount of gas to pay to compensate the bundler for pre-verification execution and call data. Only in smart contract account estimation response.

Error

Error - NotFoundResponse

Example

1const response = await client.estimateContractExecutionFee({
2  abiFunctionSignature: 'burn(uint256)',
3  abiParameters: [1000],
4  contractAddress: '656d6fd6-d430-459c-9ba4-5c2074433f1b',
5  source: {
6    walletId: '9a014a34-4706-4e3f-879d-fc2a8764877c',
7  },
8})
9console.log(response.data)

ResponseChoose an example

1{
2  "data": {
3    "high": {
4      "gasLimit": "21000",
5      "gasPrice": "",
6      "maxFee": "5.935224468",
7      "priorityFee": "1.022783914",
8      "baseFee": "1.022783914",
9      "networkFee": "0.0001246397138"
10    },
11    "low": {
12      "gasLimit": "21000",
13      "gasPrice": "",
14      "maxFee": "5.935224468",
15      "priorityFee": "1.022783914",
16      "baseFee": "1.022783914",
17      "networkFee": "0.0001246397138"
18    },
19    "medium": {
20      "gasLimit": "21000",
21      "gasPrice": "",
22      "maxFee": "5.935224468",
23      "priorityFee": "1.022783914",
24      "baseFee": "1.022783914",
25      "networkFee": "0.0001246397138"
26    },
27    "callGasLimit": "69222",
28    "verificationGasLimit": "56863",
29    "preVerificationGas": "44112"
30  }
31}

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