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import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
export abstract class PayoutCurvePiece {
public static deserialize(
buf: Buffer,
): PolynomialPayoutCurvePiece | HyperbolaPayoutCurvePiece {
const reader = new BufferReader(buf);
const type = Number(reader.readBigSize());
switch (type) {
case MessageType.PolynomialPayoutCurvePiece:
return PolynomialPayoutCurvePiece.deserialize(buf);
case MessageType.HyperbolaPayoutCurvePiece:
return HyperbolaPayoutCurvePiece.deserialize(buf);
case MessageType.OldHyperbolaPayoutCurvePiece:
return HyperbolaPayoutCurvePiece.deserialize(buf);
default:
throw new Error(
`Payout function TLV type must be PolynomialPayoutCurvePiece or HyperbolaPayoutCurvePiece`,
);
}
}
public abstract type: number;
public abstract length: bigint;
public abstract toJSON():
| PolynomialPayoutCurvePieceJSON
| HyperbolaPayoutCurvePieceJSON;
public abstract serialize(): Buffer;
}
/**
* PolynomialPayoutCurvePiece
*/
export class PolynomialPayoutCurvePiece
extends PayoutCurvePiece
implements IDlcMessage {
public static type = MessageType.PolynomialPayoutCurvePiece;
/**
* Deserializes an polynomial_payout_curve_piece message
* @param buf
*/
public static deserialize(buf: Buffer): PolynomialPayoutCurvePiece {
const instance = new PolynomialPayoutCurvePiece();
const reader = new BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize(); // need to fix this
reader.readUInt16BE(); // num_pts
while (!reader.eof) {
const eventOutcome = reader.readBigSize();
const outcomePayout = reader.readBigSize();
const extraPrecision = reader.readUInt16BE();
instance.points.push({
eventOutcome,
outcomePayout,
extraPrecision,
});
}
return instance;
}
/**
* The type for polynomial_payout_curve_piece message. polynomial_payout_curve_piece = ???
*/
public type = PolynomialPayoutCurvePiece.type;
public length: bigint;
public points: IPoint[] = [];
/**
* Converts polynomial_payout_curve_piece to JSON
*/
public toJSON(): PolynomialPayoutCurvePieceJSON {
return {
type: this.type,
points: this.points.map((point) => {
return {
eventOutcome: Number(point.eventOutcome),
outcomePayout: Number(point.outcomePayout),
extraPrecision: Number(point.extraPrecision),
};
}),
};
}
/**
* Serializes the polynomial_payout_curve_piece message into a Buffer
*/
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new BufferWriter();
dataWriter.writeUInt16BE(this.points.length);
for (const point of this.points) {
dataWriter.writeBigSize(point.eventOutcome);
dataWriter.writeBigSize(point.outcomePayout);
dataWriter.writeUInt16BE(point.extraPrecision);
}
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
/**
* HyperbolaPayoutCurvePiece
*/
export class HyperbolaPayoutCurvePiece
extends PayoutCurvePiece
implements IDlcMessage {
public static type = MessageType.HyperbolaPayoutCurvePiece;
/**
* Deserializes an hyperbola_payout_curve_piece message
* @param buf
*/
public static deserialize(buf: Buffer): HyperbolaPayoutCurvePiece {
const instance = new HyperbolaPayoutCurvePiece();
const reader = new BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize(); // need to fix this
instance.usePositivePiece = reader.readUInt8() === 1;
instance.translateOutcomeSign = reader.readUInt8() === 1;
instance.translateOutcome = reader.readBigSize();
instance.translateOutcomeExtraPrecision = reader.readUInt16BE();
instance.translatePayoutSign = reader.readUInt8() === 1;
instance.translatePayout = reader.readBigSize();
instance.translatePayoutExtraPrecision = reader.readUInt16BE();
instance.aSign = reader.readUInt8() === 1;
instance.a = reader.readBigSize();
instance.aExtraPrecision = reader.readUInt16BE();
instance.bSign = reader.readUInt8() === 1;
instance.b = reader.readBigSize();
instance.bExtraPrecision = reader.readUInt16BE();
instance.cSign = reader.readUInt8() === 1;
instance.c = reader.readBigSize();
instance.cExtraPrecision = reader.readUInt16BE();
instance.dSign = reader.readUInt8() === 1;
instance.d = reader.readBigSize();
instance.dExtraPrecision = reader.readUInt16BE();
return instance;
}
/**
* The type for hyperbola_payout_curve_piece message. hyperbola_payout_curve_piece = ???
*/
public type = HyperbolaPayoutCurvePiece.type;
public length: bigint;
public usePositivePiece: boolean;
public translateOutcomeSign: boolean;
public translateOutcome: bigint;
public translateOutcomeExtraPrecision: number;
public translatePayoutSign: boolean;
public translatePayout: bigint;
public translatePayoutExtraPrecision: number;
public aSign: boolean;
public a: bigint;
public aExtraPrecision: number;
public bSign: boolean;
public b: bigint;
public bExtraPrecision: number;
public cSign: boolean;
public c: bigint;
public cExtraPrecision: number;
public dSign: boolean;
public d: bigint;
public dExtraPrecision: number;
/**
* Converts hyperbola_payout_curve_piece to JSON
*/
public toJSON(): HyperbolaPayoutCurvePieceJSON {
return {
type: this.type,
usePositivePiece: this.usePositivePiece,
translateOutcomeSign: this.translateOutcomeSign,
translateOutcome: Number(this.translateOutcome),
translateOutcomeExtraPrecision: this.translateOutcomeExtraPrecision,
translatePayoutSign: this.translatePayoutSign,
translatePayout: Number(this.translatePayout),
translatePayoutExtraPrecision: this.translatePayoutExtraPrecision,
aSign: this.aSign,
a: Number(this.a),
aExtraPrecision: this.aExtraPrecision,
bSign: this.bSign,
b: Number(this.b),
bExtraPrecision: this.bExtraPrecision,
cSign: this.cSign,
c: Number(this.c),
cExtraPrecision: this.cExtraPrecision,
dSign: this.dSign,
d: Number(this.d),
dExtraPrecision: this.dExtraPrecision,
};
}
/**
* Serializes the hyperbola_payout_curve_piece message into a Buffer
*/
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new BufferWriter();
dataWriter.writeUInt8(this.usePositivePiece ? 1 : 0);
dataWriter.writeUInt8(this.translateOutcomeSign ? 1 : 0);
dataWriter.writeBigSize(this.translateOutcome);
dataWriter.writeUInt16BE(this.translateOutcomeExtraPrecision);
dataWriter.writeUInt8(this.translatePayoutSign ? 1 : 0);
dataWriter.writeBigSize(this.translatePayout);
dataWriter.writeUInt16BE(this.translatePayoutExtraPrecision);
dataWriter.writeUInt8(this.aSign ? 1 : 0);
dataWriter.writeBigSize(this.a);
dataWriter.writeUInt16BE(this.aExtraPrecision);
dataWriter.writeUInt8(this.bSign ? 1 : 0);
dataWriter.writeBigSize(this.b);
dataWriter.writeUInt16BE(this.bExtraPrecision);
dataWriter.writeUInt8(this.cSign ? 1 : 0);
dataWriter.writeBigSize(this.c);
dataWriter.writeUInt16BE(this.cExtraPrecision);
dataWriter.writeUInt8(this.dSign ? 1 : 0);
dataWriter.writeBigSize(this.d);
dataWriter.writeUInt16BE(this.dExtraPrecision);
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
interface IPoint {
eventOutcome: bigint;
outcomePayout: bigint;
extraPrecision: number;
}
interface IPointJSON {
eventOutcome: number;
outcomePayout: number;
extraPrecision: number;
}
export interface PolynomialPayoutCurvePieceJSON {
type: number;
points: IPointJSON[];
}
export interface HyperbolaPayoutCurvePieceJSON {
type: number;
usePositivePiece: boolean;
translateOutcomeSign: boolean;
translateOutcome: number;
translateOutcomeExtraPrecision: number;
translatePayoutSign: boolean;
translatePayout: number;
translatePayoutExtraPrecision: number;
aSign: boolean;
a: number;
aExtraPrecision: number;
bSign: boolean;
b: number;
bExtraPrecision: number;
cSign: boolean;
c: number;
cExtraPrecision: number;
dSign: boolean;
d: number;
dExtraPrecision: number;
}
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