@node-dlc/messaging
Version:
DLC Messaging Protocol
103 lines • 3.87 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PayoutFunctionV0 = exports.PayoutFunction = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
const getTlv_1 = require("../serialize/getTlv");
const PayoutCurvePiece_1 = require("./PayoutCurvePiece");
class PayoutFunction {
static deserialize(buf) {
const reader = new bufio_1.BufferReader(buf);
const type = Number(reader.readBigSize());
switch (type) {
case MessageType_1.MessageType.PayoutFunctionV0:
return PayoutFunctionV0.deserialize(buf);
default:
throw new Error(`Payout function TLV type must be PayoutFunctionV0`);
}
}
}
exports.PayoutFunction = PayoutFunction;
/**
* PayoutFunction V0
*/
class PayoutFunctionV0 extends PayoutFunction {
constructor() {
super(...arguments);
/**
* The type for payout_function_v0 message. payout_function_v0 = 42790
*/
this.type = PayoutFunctionV0.type;
this.pieces = [];
}
/**
* Deserializes an payout_function_v0 message
* @param buf
*/
static deserialize(buf) {
const instance = new PayoutFunctionV0();
const reader = new bufio_1.BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize(); // need to fix this
reader.readUInt16BE(); // num_pieces
instance.endpoint0 = reader.readBigSize();
instance.endpointPayout0 = reader.readBigSize();
instance.extraPrecision0 = reader.readUInt16BE();
while (!reader.eof) {
const payoutCurvePiece = PayoutCurvePiece_1.PayoutCurvePiece.deserialize((0, getTlv_1.getTlv)(reader));
const endpoint = reader.readBigSize();
const endpointPayout = reader.readBigSize();
const extraPrecision = reader.readUInt16BE();
instance.pieces.push({
payoutCurvePiece,
endpoint,
endpointPayout,
extraPrecision,
});
}
return instance;
}
/**
* Converts payout_function_v0 to JSON
*/
toJSON() {
return {
type: this.type,
endpoint0: Number(this.endpoint0),
endpointPayout0: Number(this.endpointPayout0),
extraPrecision0: this.extraPrecision0,
pieces: this.pieces.map((piece) => {
return {
payoutCurvePiece: piece.payoutCurvePiece.toJSON(),
endpoint: Number(piece.endpoint),
endpointPayout: Number(piece.endpointPayout),
extraPrecision: piece.extraPrecision,
};
}),
};
}
/**
* Serializes the payout_function_v0 message into a Buffer
*/
serialize() {
const writer = new bufio_1.BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new bufio_1.BufferWriter();
dataWriter.writeUInt16BE(this.pieces.length);
dataWriter.writeBigSize(this.endpoint0);
dataWriter.writeBigSize(this.endpointPayout0);
dataWriter.writeUInt16BE(this.extraPrecision0);
for (const piece of this.pieces) {
dataWriter.writeBytes(piece.payoutCurvePiece.serialize());
dataWriter.writeBigSize(piece.endpoint);
dataWriter.writeBigSize(piece.endpointPayout);
dataWriter.writeUInt16BE(piece.extraPrecision);
}
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
exports.PayoutFunctionV0 = PayoutFunctionV0;
PayoutFunctionV0.type = MessageType_1.MessageType.PayoutFunctionV0;
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