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API Reference

addUpdateData

add memo to an unsigned transaction

Usage

tronWeb.transactionBuilder.addUpdateData(unsignedTransaction,memo);

Parameter

ArgumentDescriptionType
unsignedTransactionunsigned transaction objectJSON
memomemo infostring

Return
object

Note
The Transaction hash(Transaction ID) will be changed after "addUpdateData" was executed as a new transaction object is generated. Please use the newly generated Transactions for subsequent processes like sign or broadcast. thanks.

Example

> var txn = await tronWeb.transactionBuilder.sendTrx("TUoHaVjx7n5xz8LwPRDckgFrDWhMhuSuJM", 100, "TUznHJfHe6gdYY7gvWmf6bNZHuPHDZtowf"); > var nexTxn = await tronWeb.transactionBuilder.addUpdateData(txn,"test"); > var signedtxn = await tronWeb.trx.sign(nexTxn, privateKey); > console.log(nexTxn) >{ visible: false, txID: "8c3a4b4c20cfdf8df340905949a8241aee639492e0c4d73f1bf18847346444f1", raw_data: { contract: [ [Object] ], data: "74657374", // this is the HexString of memo expiration: 1628073045000, ref_block_bytes: "7254", ref_block_hash: "c45fff3a6a0347cc", timestamp: 1628072986845 }, raw_data_hex: "0a0272542208c45fff3a6a0347cc4088d8dc85b12f5204746573745a65080112610a2d747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e5472616e73666572436f6e747261637412300a1541d0b69631440f0a494bb51f7eee68ff5c593c00f0121541ce8a0cf0c16d48bcf22825f6053248df653c89ca186470dd91d985b12f" }