16 lines
761 B
JavaScript
16 lines
761 B
JavaScript
export function getUpfrontCost(tx, baseFee) {
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const prio = tx.maxPriorityFeePerGas;
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const maxBase = tx.maxFeePerGas - baseFee;
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const inclusionFeePerGas = prio < maxBase ? prio : maxBase;
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const gasPrice = inclusionFeePerGas + baseFee;
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return tx.gasLimit * gasPrice + tx.value;
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}
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export function getEffectivePriorityFee(tx, baseFee) {
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if (baseFee === undefined || baseFee > tx.maxFeePerGas) {
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throw new Error('Tx cannot pay baseFee');
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}
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// The remaining fee for the coinbase, which can take up to this value, capped at `maxPriorityFeePerGas`
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const remainingFee = tx.maxFeePerGas - baseFee;
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return tx.maxPriorityFeePerGas < remainingFee ? tx.maxPriorityFeePerGas : remainingFee;
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}
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//# sourceMappingURL=eip1559.js.map
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