@node-dlc/messaging
Version:
DLC Messaging Protocol
78 lines • 3.03 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FundingSignatures = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
const ScriptWitnessV0_1 = require("./ScriptWitnessV0");
/**
* FundingSignatures contains signatures of the funding transaction
* and any necessary information linking the signatures to their inputs.
*/
class FundingSignatures {
constructor() {
/**
* The type for funding_signatures message. funding_signatures = 42776
*/
this.type = FundingSignatures.type;
this.witnessElements = [];
}
/**
* Deserializes a funding_signatures message
* @param buf
*/
static deserialize(buf) {
const instance = new FundingSignatures();
const reader = new bufio_1.BufferReader(buf);
// reader.readBigSize(); // read type
// instance.length = reader.readBigSize();
const numWitnesses = Number(reader.readBigSize());
for (let i = 0; i < numWitnesses; i++) {
const numWitnessElements = Number(reader.readBigSize());
const witnessElements = [];
for (let j = 0; j < numWitnessElements; j++) {
// Read witness element directly: [bigsize:len][len*byte:witness]
const witnessLength = Number(reader.readBigSize());
const witnessBytes = reader.readBytes(witnessLength);
const witness = new ScriptWitnessV0_1.ScriptWitnessV0();
witness.length = witnessLength;
witness.witness = witnessBytes;
witnessElements.push(witness);
}
instance.witnessElements.push(witnessElements);
}
return instance;
}
/**
* Converts funding_signatures to JSON (canonical rust-dlc format)
*/
toJSON() {
return {
fundingSignatures: this.witnessElements.map((witnessElement) => {
return {
witnessElements: witnessElement.map((witness) => witness.toJSON()),
};
}),
};
}
/**
* Serializes the funding_signatures message into a Buffer
*/
serialize() {
const writer = new bufio_1.BufferWriter();
// writer.writeBigSize(this.type);
const dataWriter = new bufio_1.BufferWriter();
dataWriter.writeBigSize(this.witnessElements.length);
for (const witnessElements of this.witnessElements) {
dataWriter.writeBigSize(witnessElements.length);
for (const witnessElement of witnessElements) {
dataWriter.writeBytes(witnessElement.serialize());
}
}
// writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
exports.FundingSignatures = FundingSignatures;
FundingSignatures.type = MessageType_1.MessageType.FundingSignatures;
//# sourceMappingURL=FundingSignatures.js.map