@node-dlc/messaging
Version:
DLC Messaging Protocol
67 lines • 2.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CetAdaptorSignatures = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
/**
* CetAdaptorSignatures contains CET signatures and any necessary
* information linking the signatures to their corresponding outcome
*/
class CetAdaptorSignatures {
constructor() {
/**
* The type for cet_adaptor_signature message. cet_adaptor_signature = 42774
*/
this.type = CetAdaptorSignatures.type;
this.sigs = [];
}
/**
* Deserializes a cet_adaptor_signature message
* @param buf
*/
static deserialize(buf) {
const instance = new CetAdaptorSignatures();
const reader = new bufio_1.BufferReader(buf);
const nbSignatures = Number(reader.readBigSize()); // nb_signatures
// Read exactly nbSignatures * (65 + 97) bytes to match serialize format
for (let i = 0; i < nbSignatures; i++) {
const encryptedSig = reader.readBytes(65);
const dleqProof = reader.readBytes(97);
instance.sigs.push({ encryptedSig, dleqProof });
}
return instance;
}
/**
* Converts cet_adaptor_signature to JSON (canonical rust-dlc format)
*/
toJSON() {
return {
ecdsaAdaptorSignatures: this.sigs.map((sig) => {
// Combine encryptedSig and dleqProof into single signature field as expected by rust-dlc
const signature = Buffer.concat([sig.encryptedSig, sig.dleqProof]);
return {
signature: signature.toString('hex'),
};
}),
};
}
/**
* Serializes the cet_adaptor_signature message into a Buffer
*/
serialize() {
const writer = new bufio_1.BufferWriter();
// writer.writeBigSize(this.type);
const dataWriter = new bufio_1.BufferWriter();
dataWriter.writeBigSize(this.sigs.length);
for (const sig of this.sigs) {
dataWriter.writeBytes(sig.encryptedSig);
dataWriter.writeBytes(sig.dleqProof);
}
// writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
exports.CetAdaptorSignatures = CetAdaptorSignatures;
CetAdaptorSignatures.type = MessageType_1.MessageType.CetAdaptorSignatures;
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