@node-dlc/messaging
Version:
DLC Messaging Protocol
72 lines • 2.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FundingSignaturesV0 = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
const ScriptWitnessV0_1 = require("./ScriptWitnessV0");
/**
* FundingSignatures V0 contains signatures of the funding transaction
* and any necessary information linking the signatures to their inputs.
*/
class FundingSignaturesV0 {
constructor() {
/**
* The type for funding_signatures_v0 message. funding_signatures_v0 = 42776
*/
this.type = FundingSignaturesV0.type;
this.witnessElements = [];
}
/**
* Deserializes an funding_signatures_v0 message
* @param buf
*/
static deserialize(buf) {
const instance = new FundingSignaturesV0();
const reader = new bufio_1.BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize();
const numWitnesses = reader.readUInt16BE();
for (let i = 0; i < numWitnesses; i++) {
const numWitnessElements = reader.readUInt16BE();
const witnessElements = [];
for (let j = 0; j < numWitnessElements; j++) {
const witness = ScriptWitnessV0_1.ScriptWitnessV0.getWitness(reader);
witnessElements.push(ScriptWitnessV0_1.ScriptWitnessV0.deserialize(witness));
}
instance.witnessElements.push(witnessElements);
}
return instance;
}
/**
* Converts funding_signatures_v0 to JSON
*/
toJSON() {
return {
type: this.type,
witnessElements: this.witnessElements.map((witnessElement) => {
return witnessElement.map((witness) => witness.toJSON());
}),
};
}
/**
* Serializes the funding_signatures_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.witnessElements.length);
for (const witnessElements of this.witnessElements) {
dataWriter.writeUInt16BE(witnessElements.length);
for (const witnessElement of witnessElements) {
dataWriter.writeBytes(witnessElement.serialize());
}
}
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
exports.FundingSignaturesV0 = FundingSignaturesV0;
FundingSignaturesV0.type = MessageType_1.MessageType.FundingSignaturesV0;
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