Actions27
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Contract Method → Estimate
AI-generatedOverview
This node operation estimates the gas or computational cost required to execute a specified contract method on an EVM blockchain using the 1Shot API. It is useful for developers and blockchain users who want to predict the cost of executing smart contract methods before actually performing the transaction, helping to manage gas fees and optimize contract interactions.
Use Case Examples
- Estimating gas cost for a token transfer method on an Ethereum smart contract.
- Predicting the computational cost of executing a complex DeFi contract method to ensure sufficient gas is provided.
Properties
| Name | Meaning |
|---|---|
| Contract Method Name or ID | Select the specific contract method to estimate from a list or specify its ID using an expression. |
| Parameters | JSON object containing the parameters to pass to the contract method for estimation, e.g., recipient address and amount. |
Output
JSON
json- The estimation result of the contract method execution, typically including gas cost and other relevant metrics.
Dependencies
- Requires an API key credential for the 1Shot API to authenticate requests.
Troubleshooting
- Ensure the contract method ID is valid and corresponds to a deployed contract method on the target blockchain.
- Verify that the parameters JSON is correctly formatted and matches the expected input schema of the contract method.
- Check API authentication credentials are correctly configured to avoid authorization errors.
- If the node throws an unsupported operation error, confirm that the operation is set to 'Estimate' for the 'Contract Method' resource.