nem catapult バイトレベルで理解する その４ Cosignature Transaction ref: https://qiita.com/planethouki/items/fcac3c9d329b0278c4b7

CosignatureTransaction.ts

/**
 * @internal
 * Serialize and sign transaction creating a new SignedTransaction
 * @param account
 * @returns {CosignatureSignedTransaction}
 */
public signWith(account: Account): CosignatureSignedTransaction {
    const aggregateSignatureTransaction = new CosignaturetransactionLibrary(this.transactionToCosign.transactionInfo!.hash);
    const signedTransactionRaw = aggregateSignatureTransaction.signCosignatoriesTransaction(account);
    return new CosignatureSignedTransaction(signedTransactionRaw.parentHash,
        signedTransactionRaw.signature,
        signedTransactionRaw.signer);
}

file10.txt

$ curl -X PUT -H 'Content-Type:application/json' -d '{ "parentHash": "222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A",  "signature": "B3641A69BEC08631036B984A6206503EE928DDD3902D083D9C28030B88FD36D40EC397ACB0FFEADCC03225CF9288F08D50F5D1B506FBB0C0A47B469A3C4B4E0C",  "signer": "543BB01DFEEA0D9A25ADDE515DACC72F2125A8AAE85EDD682D77251E2C4EC174" }' http://localhost:3000/transaction/cosignature
{"message":"packet 501 was pushed to the network via /transaction/cosignature"}

file11.txt

$ curl http://localhost:3000/transaction/222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A/status
{"group":"confirmed","status":"Success","hash":"222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A","deadline":[1650699429,16],"height":[161822,0]}

file6.txt

$ node aggregate.js
lockFundsTransactionSigned.hash  : 4FA5CF0063BE9577F0A39DB0D69B99404108021C1D6E5EE44A9F686922019546
lockFundsTransactionSigned.signer: 5D9513282B65A12A1B68DCB67DB64245721F7AE7822BE441FE813173803C512C
aggregateTransactionSigned.hash  : 222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A
aggregateTransactionSigned.signer: 5D9513282B65A12A1B68DCB67DB64245721F7AE7822BE441FE813173803C512C
TransactionAnnounceResponse {
  message: 'packet 9 was pushed to the network via /transaction' }
TransactionAnnounceResponse {
  message: 'packet 500 was pushed to the network via /transaction/partial' }

file8.txt

# node sign.js
publicKey: 543BB01DFEEA0D9A25ADDE515DACC72F2125A8AAE85EDD682D77251E2C4EC174
signature: B3641A69BEC08631036B984A6206503EE928DDD3902D083D9C28030B88FD36D40EC397ACB0FFEADCC03225CF9288F08D50F5D1B506FBB0C0A47B469A3C4B4E0C

file9.txt

{ "parentHash": "222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A",
  "signature": "B3641A69BEC08631036B984A6206503EE928DDD3902D083D9C28030B88FD36D40EC397ACB0FFEADCC03225CF9288F08D50F5D1B506FBB0C0A47B469A3C4B4E0C",
  "signer": "543BB01DFEEA0D9A25ADDE515DACC72F2125A8AAE85EDD682D77251E2C4EC174" }

sign.js

const nem2lib = require("nem2-library");

const signData = `222C1C99033BC372A655042C311CA5251279AD47907A6E2804DDAB606851CB3A`;

const privateKey = 'B332E3CA7B31D0BC663232B66D7C282BC2FE1DC0C01BB0159586A2CBEADD6B2A';
const keypair = nem2lib.KeyPair.createKeyPairFromPrivateKeyString(privateKey);

const signature = nem2lib.KeyPair.sign(keypair, signData);

console.log('publicKey: ' + nem2lib.convert.uint8ToHex(keypair.publicKey));
console.log('signature: ' + nem2lib.convert.uint8ToHex(signature));

transactionHttp.ts

/**
 * Send a cosignature signed transaction of an already announced transaction
 * @param cosignatureSignedTransaction - Cosignature signed transaction
 * @returns Observable<TransactionAnnounceResponse>
 */
public announceAggregateBondedCosignature(
    cosignatureSignedTransaction: CosignatureSignedTransaction): Observable<TransactionAnnounceResponse> {
    return Observable.fromPromise(this.transactionRoutesApi.announceCosignatureTransaction(cosignatureSignedTransaction))
        .map((transactionAnnounceResponseDTO) => {
            return new TransactionAnnounceResponse(transactionAnnounceResponseDTO.message);
        });
}

TransactionRoutesApi.js

/**
 * Creates cosignature transaction
 * Announce a cosignature transaction to the network
 * @param {module:model/TransactionPayload} payload Transaction payload
 * @return {Promise} a {@link https://www.promisejs.org/|Promise}, with an object containing data of type {@link Object} and HTTP response
 */
announceCosignatureTransactionWithHttpInfo(payload) {
    let postBody = payload;

    // verify the required parameter 'payload' is set
    if (payload === undefined || payload === null) {
        throw new Error("Missing the required parameter 'payload' when calling announceCosignatureTransaction");
    }


    let pathParams = {};
    let queryParams = {};
    let headerParams = {};
    let formParams = {};

    let authNames = [];
    let contentTypes = [];
    let accepts = ['application/json'];
    let returnType = Object;

    return this.apiClient.callApi(
        '/transaction/cosignature', 'PUT',
        pathParams, queryParams, headerParams, formParams, postBody,
        authNames, contentTypes, accepts, returnType
    );
}

VerifiableTransaction.js

/**
 * @param {KeyPair} keyPair KeyPair instance
 * @returns {module:model/TransactionPayload} Returns TransactionPayload instance
 */
signCosignatoriesTransaction(keyPair) {
    const signature = KeyPair.sign(keyPair, new Uint8Array(this.bytes));
    return {
        parentHash: convert.uint8ToHex(this.bytes),
        signature: convert.uint8ToHex(signature),
        signer: keyPair.publicKey
    };
}