@exromany/lido-csm-sdk/dist/esm/frame-sdk/utils.js

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/**
 * Safety buffer in blocks for slot-to-block estimation (~33 hours at 12s/block).
 * Accounts for missed slots and clock drift when querying events by estimated block range.
 */
export const ESTIMATED_BLOCK_GAP = 10000n;
export const slotToTimestamp = (slot, { secondsPerSlot, genesisTime, }) => {
    return Number(BigInt(slot) * secondsPerSlot + genesisTime);
};
export const timestampToSlot = (timestamp, { genesisTime, secondsPerSlot, }) => {
    return (BigInt(timestamp) - genesisTime) / secondsPerSlot;
};
export const slotToEpoch = (slot, { slotsPerEpoch }) => {
    return BigInt(slot) / slotsPerEpoch;
};
export const epochToSlot = (epoch, { slotsPerEpoch }) => {
    return BigInt(epoch) * slotsPerEpoch;
};
export const epochToTimestamp = (epoch, config) => {
    const slot = epochToSlot(epoch, config);
    return slotToTimestamp(slot, config);
};
export const getSlotsPerFrame = ({ epochsPerFrame, slotsPerEpoch, }) => {
    return epochsPerFrame * slotsPerEpoch;
};
export const getFrameDuration = ({ epochsPerFrame, slotsPerEpoch, secondsPerSlot, }) => {
    return Number(epochsPerFrame * slotsPerEpoch * secondsPerSlot);
};
export const slotToApproximateBlockNumber = (slot, config, currentBlock) => {
    const targetTimestamp = slotToTimestamp(slot, config);
    const timeDiff = currentBlock.timestamp - BigInt(targetTimestamp);
    const blockOffset = timeDiff / config.secondsPerSlot;
    return currentBlock.number - blockOffset;
};
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