49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
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/**
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* 截取小数点后dots位
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* @param {Number} number 要截取的小数
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* @param {Number} dots 小数点位数
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* @returns
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*/
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function truncateToTenDecimals(number, dots) {
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const str = number.toString();
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const decimalIndex = str.indexOf(".");
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// 如果没有小数部分，直接返回原始数值
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if (decimalIndex === -1) {
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return str;
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}
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// 截取到小数点后 10 位
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const truncatedStr = str.slice(0, decimalIndex + dots + 1);
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return Number(truncatedStr);
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}
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/**
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* 根据shares队列计算每个user本轮次的分配占比
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* @param {Array} data [{user:"user1", pool_diff:100, miner_diff:100}, ]
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* @returns {"1x1":{totalWeight:10, weightRatio:0.1}}
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*/
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function calculate_shares_weight(data) {
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// Step 1: 按照 user 分类计算每个 user 的总 weight
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const userWeights = data.reduce((acc, item) => {
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const weight = item.miner_diff / item.pool_diff;
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if (!acc[item.user]) {
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acc[item.user] = { totalWeight: 0, data: [] };
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}
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acc[item.user].totalWeight += weight;
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acc[item.user].data.push(item);
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return acc;
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}, {});
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// Step 2: 计算所有 user 的总 weight
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const totalWeight = Object.values(userWeights).reduce((acc, user) => acc + user.totalWeight, 0);
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// Step 3: 计算每个 user 的 weight 占总 weight 的比重并返回所需格式
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const userWeightRatios = Object.keys(userWeights).reduce((acc, user) => {
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const weightRatio = truncateToTenDecimals(userWeights[user].totalWeight / totalWeight, 10);
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acc[user] = Number(weightRatio);
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return acc;
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}, {});
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return userWeightRatios;
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}
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module.exports = { calculate_shares_weight, truncateToTenDecimals };
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