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| 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 | 1x 1x 1x 1x 1x 26x 26x 26x 26x 26x 26x 26x 26x 26x 52x 52x 26x 26x 26x 26x 2x 4x 15x 15x 15x 15x 15x 15x 15x 30x 15x 15x 15x | import { BufferReader, BufferWriter } from '@node-dlc/bufio';
import { MessageType } from '../MessageType';
import { IDlcMessage } from './DlcMessage';
import { IScriptWitnessV0JSON, ScriptWitnessV0 } from './ScriptWitnessV0';
/**
* FundingSignatures V0 contains signatures of the funding transaction
* and any necessary information linking the signatures to their inputs.
*/
export class FundingSignaturesV0 implements IDlcMessage {
public static type = MessageType.FundingSignaturesV0;
/**
* Deserializes an funding_signatures_v0 message
* @param buf
*/
public static deserialize(buf: Buffer): FundingSignaturesV0 {
const instance = new FundingSignaturesV0();
const reader = new 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: ScriptWitnessV0[] = [];
for (let j = 0; j < numWitnessElements; j++) {
const witness = ScriptWitnessV0.getWitness(reader);
witnessElements.push(ScriptWitnessV0.deserialize(witness));
}
instance.witnessElements.push(witnessElements);
}
return instance;
}
/**
* The type for funding_signatures_v0 message. funding_signatures_v0 = 42776
*/
public type = FundingSignaturesV0.type;
public length: bigint;
public witnessElements: ScriptWitnessV0[][] = [];
/**
* Converts funding_signatures_v0 to JSON
*/
public toJSON(): IFundingSignaturesV0JSON {
return {
type: this.type,
witnessElements: this.witnessElements.map((witnessElement) => {
return witnessElement.map((witness) => witness.toJSON());
}),
};
}
/**
* Serializes the funding_signatures_v0 message into a Buffer
*/
public serialize(): Buffer {
const writer = new BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new 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();
}
}
export interface IFundingSignaturesV0JSON {
type: number;
witnessElements: IScriptWitnessV0JSON[][];
}
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