@node-dlc/messaging/dist/messages/RoundingIntervals.js

DLC Messaging Protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RoundingIntervals = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
const util_1 = require("../util");
/**
 * RoundingIntervals defines rounding intervals for numeric outcome contracts.
 * Updated to match dlcspecs format (no longer uses TLV).
 */
class RoundingIntervals {
    constructor() {
        /**
         * The type for rounding_intervals message. rounding_intervals = 42788
         */
        this.type = RoundingIntervals.type;
        this.intervals = [];
    }
    /**
     * Creates a RoundingIntervals from JSON data
     * @param json JSON object representing rounding intervals
     */
    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-explicit-any
    static fromJSON(json) {
        const instance = new RoundingIntervals();
        const intervals = json.intervals || [];
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        instance.intervals = intervals.map((interval) => ({
            beginInterval: (0, util_1.toBigInt)(interval.beginInterval || interval.begin_interval),
            roundingMod: (0, util_1.toBigInt)(interval.roundingMod || interval.rounding_mod),
        }));
        return instance;
    }
    /**
     * Deserializes a rounding_intervals message
     * @param buf
     */
    static deserialize(buf) {
        const instance = new RoundingIntervals();
        const reader = new bufio_1.BufferReader(buf);
        const numRoundingIntervals = Number(reader.readBigSize());
        for (let i = 0; i < numRoundingIntervals; i++) {
            const beginInterval = reader.readUInt64BE();
            const roundingMod = reader.readUInt64BE();
            instance.intervals.push({ beginInterval, roundingMod });
        }
        return instance;
    }
    /**
     * Validates correctness of all fields in the message
     * https://github.com/discreetlogcontracts/dlcspecs/blob/master/NumericOutcome.md#requirements
     * @throws Will throw an error if validation fails
     */
    validate() {
        // 1. Intervals must be non-negative
        for (const interval of this.intervals) {
            if (interval.beginInterval < 0) {
                throw new Error('beginInterval must be non-negative');
            }
        }
        // 2. Intervals must be strictly increasing
        for (let i = 1; i < this.intervals.length; ++i) {
            if (this.intervals[i - 1].beginInterval >= this.intervals[i].beginInterval) {
                throw new Error(`Intervals must be strictly increasing`);
            }
        }
    }
    /**
     * Converts rounding_intervals to JSON
     */
    toJSON() {
        return {
            intervals: this.intervals.map((interval) => {
                return {
                    beginInterval: Number(interval.beginInterval),
                    roundingMod: Number(interval.roundingMod),
                };
            }),
        };
    }
    /**
     * Serializes the rounding_intervals message into a Buffer
     */
    serialize() {
        const writer = new bufio_1.BufferWriter();
        writer.writeBigSize(this.intervals.length);
        for (const interval of this.intervals) {
            writer.writeUInt64BE(interval.beginInterval);
            writer.writeUInt64BE(interval.roundingMod);
        }
        return writer.toBuffer();
    }
}
exports.RoundingIntervals = RoundingIntervals;
RoundingIntervals.type = MessageType_1.MessageType.RoundingIntervals;
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