viem
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getTimeToNextGame = getTimeToNextGame;
const getGames_js_1 = require("./getGames.js");
async function getTimeToNextGame(client, parameters) {
const { intervalBuffer = 1.1, l2BlockNumber } = parameters;
const games = await (0, getGames_js_1.getGames)(client, {
...parameters,
l2BlockNumber: undefined,
limit: 10,
});
const deltas = games
.map(({ l2BlockNumber, timestamp }, index) => {
return index === games.length - 1
? null
: [
games[index + 1].timestamp - timestamp,
games[index + 1].l2BlockNumber - l2BlockNumber,
];
})
.filter(Boolean);
const interval = Math.ceil(deltas.reduce((a, [b]) => Number(a) - Number(b), 0) / deltas.length);
const blockInterval = Math.ceil(deltas.reduce((a, [_, b]) => Number(a) - Number(b), 0) / deltas.length);
const latestGame = games[0];
const latestGameTimestamp = Number(latestGame.timestamp) * 1000;
const intervalWithBuffer = Math.ceil(interval * intervalBuffer);
const now = Date.now();
const seconds = (() => {
if (now < latestGameTimestamp)
return 0;
if (latestGame.l2BlockNumber > l2BlockNumber)
return 0;
const elapsedBlocks = Number(l2BlockNumber - latestGame.l2BlockNumber);
const elapsed = Math.ceil((now - latestGameTimestamp) / 1000);
const secondsToNextOutput = intervalWithBuffer - (elapsed % intervalWithBuffer);
return elapsedBlocks < blockInterval
? secondsToNextOutput
: Math.floor(elapsedBlocks / Number(blockInterval)) * intervalWithBuffer +
secondsToNextOutput;
})();
const timestamp = seconds > 0 ? now + seconds * 1000 : undefined;
return { interval, seconds, timestamp };
}
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