viem/_esm/linea/chainConfig.js

TypeScript Interface for Ethereum

import { estimateGas } from './actions/estimateGas.js';
export const chainConfig = {
    fees: {
        estimateFeesPerGas,
        async maxPriorityFeePerGas({ block, client, request }) {
            const response = await estimateFeesPerGas({
                block,
                client,
                multiply: (x) => x,
                request,
                type: 'eip1559',
            });
            // Returning `null` will trigger the base `estimateMaxPriorityFeePerGas` to perform
            // fallback mechanisms to estimate priority fee.
            if (!response?.maxPriorityFeePerGas)
                return null;
            return response.maxPriorityFeePerGas;
        },
    },
};
///////////////////////////////////////////////////////////////////////////
// Internal
///////////////////////////////////////////////////////////////////////////
async function estimateFeesPerGas({ client, multiply, request, type, }) {
    try {
        const response = await estimateGas(client, {
            ...request,
            account: request?.account,
        });
        const { priorityFeePerGas: maxPriorityFeePerGas } = response;
        const baseFeePerGas = multiply(BigInt(response.baseFeePerGas));
        const maxFeePerGas = baseFeePerGas + maxPriorityFeePerGas;
        if (type === 'legacy')
            return { gasPrice: maxFeePerGas };
        return {
            maxFeePerGas,
            maxPriorityFeePerGas,
        };
    }
    catch {
        // Returning `null` will trigger the base `estimateFeesPerGas` to perform
        // fallback mechanisms to estimate fees.
        return null;
    }
}
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