Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 5x 2x 3x 2x 1x 4x 4x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 4x 13x 13x 13x 13x 13x 13x 13x 13x 3x 6x 6x 6x 6x 6x 6x 1x 1x 1x 1x 1x 1x 6x 6x 6x | import { BufferReader, BufferWriter } from '@node-dlc/bufio';
import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
export type DlcParty = 'offeror' | 'acceptor' | 'neither';
/**
* OrderPositionInfo message
*/
export class OrderPositionInfo implements IDlcMessage {
public static type = MessageType.OrderPositionInfo;
/**
* Deserializes an OrderPositionInfo message
* @param buf
*/
public static deserialize(buf: Buffer): OrderPositionInfo {
const instance = new OrderPositionInfo();
const reader = new BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize();
const encodedShiftForFees = reader.readUInt8();
Iif (encodedShiftForFees === 0) {
instance.shiftForFees = 'neither';
} else if (encodedShiftForFees === 1) {
instance.shiftForFees = 'offeror';
} else if (encodedShiftForFees === 2) {
instance.shiftForFees = 'acceptor';
} else {
throw new Error(`Invalid shift for fees value: ${encodedShiftForFees}`);
}
instance.fees = reader.readUInt64BE();
if (!reader.eof) {
const instrumentNameLength = reader.readBigSize();
const instrumentName = reader.readBytes(Number(instrumentNameLength));
instance.instrumentName = instrumentName.toString();
instance.contractSize = reader.readUInt64BE();
const direction = reader.readUInt8();
Iif (direction === 0) {
instance.direction = 'neither';
} else Eif (direction === 1) {
instance.direction = 'buy';
} else if (direction === 2) {
instance.direction = 'sell';
} else {
throw new Error(`Invalid direction value: ${direction}`);
}
instance.price = reader.readUInt64BE();
instance.extraPrecision = reader.readUInt16BE();
}
return instance;
}
/**
* The type for OrderPositionInfo message
*/
public type = OrderPositionInfo.type;
public length: bigint;
public shiftForFees: DlcParty = 'neither';
public fees = BigInt(0);
public instrumentName: string | undefined = undefined;
public contractSize = BigInt(0);
public direction: 'buy' | 'sell' | 'neither' = 'neither';
public price = BigInt(0); // Can be BTC or USD depending on the instrument
public extraPrecision = 0;
/**
* Converts OrderPositionInfo to JSON
*/
public toJSON(): IOrderPositionInfoJSON {
return {
type: this.type,
shiftForFees: this.shiftForFees,
fees: Number(this.fees),
instrumentName: this.instrumentName,
direction: this.direction,
price: Number(this.price),
extraPrecision: this.extraPrecision,
};
}
/**
* Serializes the OrderPositionInfo message into a Buffer
*/
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new BufferWriter();
dataWriter.writeUInt8(
this.shiftForFees === 'neither'
? 0
: this.shiftForFees === 'offeror'
? 1
: 2,
);
dataWriter.writeUInt64BE(this.fees);
if (this.instrumentName) {
dataWriter.writeBigSize(this.instrumentName.length);
dataWriter.writeBytes(Buffer.from(this.instrumentName));
dataWriter.writeUInt64BE(this.contractSize);
dataWriter.writeUInt8(
this.direction === 'neither' ? 0 : this.direction === 'buy' ? 1 : 2,
);
dataWriter.writeUInt64BE(this.price);
dataWriter.writeUInt16BE(this.extraPrecision);
}
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
export interface IOrderPositionInfoJSON {
type: number;
shiftForFees: string;
fees: number;
instrumentName: string;
direction: string;
price: number;
extraPrecision: number;
}
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