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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | 1x 1x 1x 1x 1x 27x 27x 27x 27x 43x 43x 43x 43x 44x 44x 44x 43x 87x 87x 3x 5x 1x 2x 2x 1x 15x 15x 125x 125x 125x 126x 126x 125x | import { BufferReader, BufferWriter } from '@node-dlc/bufio';
import { MessageType } from '../MessageType';
import { toBigInt } from '../util';
import { IDlcMessage } from './DlcMessage';
/**
* RoundingIntervals defines rounding intervals for numeric outcome contracts.
* Updated to match dlcspecs format (no longer uses TLV).
*/
export class RoundingIntervals implements IDlcMessage {
public static type = MessageType.RoundingIntervals;
/**
* 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
public static fromJSON(json: any): RoundingIntervals {
const instance = new RoundingIntervals();
const intervals = json.intervals || [];
// eslint-disable-next-line @typescript-eslint/no-explicit-any
instance.intervals = intervals.map((interval: any) => ({
beginInterval: toBigInt(
interval.beginInterval || interval.begin_interval,
),
roundingMod: toBigInt(interval.roundingMod || interval.rounding_mod),
}));
return instance;
}
/**
* Deserializes a rounding_intervals message
* @param buf
*/
public static deserialize(buf: Buffer): RoundingIntervals {
const instance = new RoundingIntervals();
const reader = new 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;
}
/**
* The type for rounding_intervals message. rounding_intervals = 42788
*/
public type = RoundingIntervals.type;
public intervals: IInterval[] = [];
/**
* 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
*/
public validate(): void {
// 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
*/
public toJSON(): IRoundingIntervalsJSON {
return {
intervals: this.intervals.map((interval) => {
return {
beginInterval: Number(interval.beginInterval),
roundingMod: Number(interval.roundingMod),
};
}),
};
}
/**
* Serializes the rounding_intervals message into a Buffer
*/
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeBigSize(this.intervals.length);
for (const interval of this.intervals) {
writer.writeUInt64BE(interval.beginInterval);
writer.writeUInt64BE(interval.roundingMod);
}
return writer.toBuffer();
}
}
interface IInterval {
beginInterval: bigint;
roundingMod: bigint;
}
interface IIntervalJSON {
beginInterval: number;
roundingMod: number;
}
export interface IRoundingIntervalsJSON {
type?: number; // Optional for rust-dlc compatibility
intervals: IIntervalJSON[];
}
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