@hyperlane-xyz/sdk/dist/utils/gas.js

The official SDK for the Hyperlane Network

import { BigNumber } from 'ethers';
export const DEFAULT_CALL_GAS_FALLBACK = BigNumber.from(50_000);
/**
 * Estimates gas for calling handle() on a recipient contract.
 * Returns null if estimation fails (e.g., call would revert).
 */
export async function estimateHandleGasForRecipient(params) {
    try {
        // await required for catch to handle promise rejection
        return await params.recipient.estimateGas.handle(params.origin, params.sender, params.body, { from: params.mailbox });
    }
    catch {
        return null;
    }
}
/**
 * Estimates gas for a single contract call.
 * Returns fallback value (default 50k) if estimation fails.
 */
export async function estimateCallGas(params) {
    const fallback = params.fallback ?? DEFAULT_CALL_GAS_FALLBACK;
    try {
        // await required for catch to handle promise rejection
        return await params.provider.estimateGas({
            to: params.to,
            data: params.data,
            value: params.value,
        });
    }
    catch {
        return fallback;
    }
}
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