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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | 1x 1x 1x 3x 3x 3x 3x 1x 1x 7x 7x 7x 7x 7x 7x 7x 5x 2x 1x 1x 6x 6x 3x 3x 3x 3x 3x 3x 2x 1x 1x 3x 3x 6x 15x 15x 15x 15x 15x 15x 15x 15x 3x 8x 8x 8x 8x 8x 8x 2x 2x 2x 2x 2x 2x 8x 8x 8x | import { BufferReader, BufferWriter } from '@node-dlc/bufio';
import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
export type DlcParty = 'offeror' | 'acceptor' | 'neither';
export abstract class OrderPositionInfo {
public static deserialize(buf: Buffer): OrderPositionInfo {
const reader = new BufferReader(buf);
const type = Number(reader.readBigSize());
switch (type) {
case MessageType.OrderPositionInfoV0:
return OrderPositionInfoV0.deserialize(buf);
default:
throw new Error(`Order cso info TLV type must be OrderPositionInfoV0`);
}
}
public abstract type: number;
public abstract toJSON(): IOrderPositionInfoJSON;
public abstract serialize(): Buffer;
}
/**
* OrderCsoInfo message
*/
export class OrderPositionInfoV0
extends OrderPositionInfo
implements IDlcMessage {
public static type = MessageType.OrderPositionInfoV0;
/**
* Deserializes an offer_dlc_v0 message
* @param buf
*/
public static deserialize(buf: Buffer): OrderPositionInfoV0 {
const instance = new OrderPositionInfoV0();
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();
if (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 order_metadata_v0 message. order_metadata_v0 = 62774
*/
public type = OrderPositionInfoV0.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 order_metadata_v0 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 oracle_event 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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