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Questions tagged [transaction]

The term "transaction" is used in IoTA to refer to the signed data package that stores a message to be sent from an externally owned account.

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6 views

how can i get a transaction message with javascript? [on hold]

I have sent a transaction with a message in my trinity wallet to an address. Now I want to get the message in the iota.js lib. How does this work?
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22 views

How is IOTA´s transaction hash determined?

Ive been looking through documentation and articles but couldnt really find anything about it. I assume its the hash of all concatenated attributes? I am not talking about the bundle hash. And a ...
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27 views

How to get a list of transactions related to an an address using js?

I'm experimenting with the iota js library from github and trying to find a way to list all transactions related to an address. Specifically I want the amount of iota sent/received and the time of ...
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1answer
20 views

Are messages sent with transactions in Trinity public?

Can anyone see what the message was that I sent today to PEUTKRIYWYRJFLEPZWHKEDLSXZEDOFJKBDODKVTDKMP9C9UGGNVXWYJEWNYDWHVCUVGQHRFJPTRKANMBCYLTLUTEOY along with 1 Gi? If yes, how?
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1answer
16 views

How to return Tx Hash when sending transaction

I see using sendTrytes you would get an bundle, but can I get hash from the bundle and return to me? const transfers = [ { value: 0, address: address, ...
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26 views

Transaction confirmation timestamp

How can i get the transaction confirmation timestamp (the same I can see using the IOTA Tangle Explorer) using the IOTA Javascript library? Thanks
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1answer
43 views

What is the correct way to write “Hello, World!” to the tangle?

How would a simple program look like, that, when run, writes the message Hello World to the tangle?
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1answer
26 views

Tangle explorer transaction value

What does the "value" field of the tangle explorer indicates? The linked transaction reports a value of 1+ B USD. What is this value referring to?
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2answers
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how to trace the iota tip from the milestone transaction when there is no reference to the future transactions

As written in multiple forums, IoTA tips are chosen using the random walk method starting at the milestone transaction. The milestone transaction will have the reference to the old transactions. Tip ...
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2answers
90 views

What is the propagation time in IOTA?

For Bitcoin we have the following information about the propagation time from here: 12.6 seconds is the time it takes for a new block to propagate to 95% of nodes. Is there any observation on how ...
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1answer
34 views

How can I make my Bluetooth enabled IOT device sign a transaction so that POW and everything else can be done by another device?

Is there some kind of IOTA C library just for signing transactions? The IOT device in question does not have Wifi and is too weak computationally to do POW. I want the device itself sign the tx so ...
2
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1answer
32 views

Does Broadcasting a Bundle on Both MainNet and TestNet Facilitate Brute Forcing the Seed?

I have made an open source airgapped device for signing bundles offline. A main purpose is to address the possiblity that the components we use to make our devices are already compromised before ...
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2answers
99 views

How many confirmations are required for funds to be received?

If I am not mistaken no single block in the public tangle is ever fully confirmed. What exactly determines the treshhold when funds are actually received, making the transaction relatively ...
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72 views

IOTA and LoraWAN: Proof of Concept of storing data in the Tangle

I found an article here :(Link to the article) entitled "LoraWAN and IOTA: Proof of Concept of storing data in real time in the Tangle" , written by Harm van den Brink (IOTA foundation member). ...
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245 views

Integrating IOTA into UNITY

I'm trying to integrate IOTA into the Unity game engine although whenever I try running the code I get "Insufficient value submitted" I have made sure that my seed is accurate and that I have enough ...
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33 views

How to understand if a transfer is an ingoing or an outgoing one by calling getAccountData?

I'd like to know how I can check if a transfer is an ingoing or an outgoing one, and know the respective sent/received amount by calling getAccountData from the Iota JavaScript library.
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1answer
50 views

Use of addresses

When you want to do several transactions how do you update the people transacting with you of your new address? In the case of machines transacting with each other how will the machines know the ...
4
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1answer
127 views

Does IOTA have block finality (at the moment)?

As the title says i am interested in the block finality of IOTA. In the long run there seems to be no instant block finality in IOTA because it is only considered confirmed as some number of tips are ...
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1answer
100 views

Which feature/s will avoids SPAM or massive invalid transactions in a IOTA network?

Watching IOTA presentation there is a thing that is still unclear for me: Knowing that IOTA involves PoW but a much lighter one (in order to achieve thousands of transactions per second, but also ...
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2answers
90 views

physical clock or logical clock for timestamping

Timestamps in Tangle are already mandatory and must have a value in a certain range, which seems to be between the last snapshot time (epoch 1517180400, which is GMT: Sunday, January 28, 2018 11:00:00 ...
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1answer
50 views

Sort transactions in temporal order

I want to sort transactions, within a specific tag, in temporal order. In the docs it says: timestamp : Int timestamp of the transaction. It is important to know that timestamps in IOTA are not ...
3
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1answer
73 views

Adress reuse with zero value transactions

If I send multiple zero value transactions from address A, containing several messages to broker a deal, is it safe to (re)use that address later on for a payment (to settle the deal)?
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1answer
59 views

Finalizing bundle fails

Finalizing the bundle fails, because the ICurl instance (jota.pow.Kerl) can't absorb due to the supplied trits not having the required length. Exception in thread "main" java.lang.RuntimeException: ...
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1answer
53 views

How do I decode the value (eg. 10i) in the signatureMessageFragment?

{'findTransactionsObjects': {'trytes': [TryteString(b'...
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1answer
27 views

Is there any way to tell if a transaction was produced by a multi-signature process?

IOTA has multisig as a way for the transaction to be signed by more than device before being sent. Is there any way to tell if a transaction was produced by a multi-signature process?
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Permanent storage of transaction Tag and signatureMessageFragment? [duplicate]

I am not able to find a clear answer. I would like to ask whether the Transaction Tag and signatureMessageFragment for Non-0 transactions are purged during each snapshot, or not? If either of them is ...
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1answer
213 views

Immutability in IOTA: How to be sure a transaction is not “removable” from Tangle?

In Bitcoin and Ethereum, the longest chain with the most proof-of-work (POW) invested in it is accepted as the true chain and used to determine balances and history on the network. Because of this, ...
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1answer
94 views

Pertaining to the required sequence, how can the requested transaction hash be the same as the received transaction hash?

In the IRI Node class, this code segment checks to see if the requested transaction hash is the same as the received transaction hash: https://github.com/iotaledger/iri/blob/dev/src/main/java/com/...
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1answer
95 views

What has been the growth rate of tangle confirmation rate until today?

I am curious to understand how the tangle has improved in terms of confirmation rate since its inception. Are there any statistics which show this? A positive growth is definitely a good sign. And if ...
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1answer
140 views

supporting privacy and private transactions in IOTA?

Has IOTA foundation planned a system of private transactions (whatever the solution considered "zero proof" or other approaches) to support better the privacy ?
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1answer
64 views

The “road-map” for when the IOTA Tangle reaches sufficient size? [duplicate]

Apparently we are still in "testnet" including a "coordinator" responsible for the validation of all transactions until the tangle reaches sufficient size. If so, what is the "road-map" on this point?
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53 views

Invalid Transactions - Do those make a node bad?

I'm working on a application to track your neighbors. I want an indicator if there are any foul nodes. What's the deal with invalid transactions? They are an indicator that a node is bad, but how ...
4
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1answer
177 views

When is a transaction valid?

Which parts of a transaction need to have what value in order for it to be stored and broadcast by the IRI? I know that there are some bundle level conditions like valid signature sum of all values ...
4
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1answer
291 views

IOTA get all transactions for wallet/address programmatically js

I need to listen for a new transactions on testnet submitted by wallet/address programmatically(js). I have tried iota.lib.js, but findTransactionObjects and getAccountData always returns null. Is ...
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1answer
71 views

Is it possible to use “Flash channels” to send non-transactional data?

Is it possible to use "Flash channels" to send non-transactional data, A.K.A 'zero-value' transaction type which simply broadcasts a message or data? If so, is it free? And how to do it?
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1answer
60 views

How are nodes incentivised to be honest when approving transactions?

I am new to IOTA and would like to understand how nodes are incentivised to be truthful when approving transactions? Bitcoin: Say a miner approves a tx that is invalid (say bc it double spends). It ...
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2answers
55 views

Is it possible to detect from which node a transaction was issued?

Is it possible to detect from which node a transaction was issued? When my node receive many spam transactions for example, can I be sure that my neighbor issue them?
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2answers
115 views

Benefits of confirmed 0-value transactions?

As a transaction receiver, is there an advantage to wait until a 0-value transaction is confirmed or not? The only case I can think of is, when the tangle should act as a "spam filter". When the ...
4
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1answer
224 views

Maximum how many possible characters to transfer in a message? [duplicate]

Since IOTA transaction is free of fee, so it's useful for transferring messages and files with it (compared to, for example, Ethereum that in case of the use of a String, the transaction will be very ...
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1answer
94 views

Latency in transaction confirmation is usual?

I sent some transactions to the IOTA Tangle. However, according to thetangle.org website, they are not confirmed yet. You can see one of them here : https://thetangle.org/transaction/...
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1answer
37 views

Can a bundle be 3 transactions for security level 1?

A bundle has 4 transactions: The output; address and amount of IOTA recipient gets. The input; address, and amount of IOTA sender gives, and half of their signature. The other half of the sender's ...
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66 views

Validation of Transaction

What information must be stored in a node so that it validates a particular transaction? Also which node information must be stored and how that is relevant in validating a transaction?
4
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1answer
114 views

What happens when I send a transaction to myself?

I used a private key to send a transaction to its corresponding public key. The transaction got confirmed after a few minutes. My balance stayed unchanged. What exactly happened between the moment ...
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67 views

Transfer from Multisg into normal address

I am following the example described here: https://github.com/iotaledger/iota.lib.java/blob/master/jota/src/test/java/jota/IotaMultisigTest.java I put funds into a multisig. Now I want to move that ...
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2answers
161 views

maybe lost funds [closed]

Sometime in Q4 2017 I sent my MIOTA to the wallet. I verified then that the funds had arrived. Now I am logging in and the balance says 0. I am having a hard time interpreting the transaction history. ...
3
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1answer
142 views

When and how is computed the attachment timestamp (and its upper/lower bounds)

In the transaction trytes there are these fields: timestamp (9 trytes); [...] attachment timestamp (9 trytes); attachment timestamp lower bound (9 trytes); attachment timestamp upper bound (9 ...
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1answer
48 views

IOTA Multisig with one Signer

What happens if Alice creates a multisig transfer to Bob's address but she is the sole co-signer. I presume Bob will see the transaction but will not receive the funds until Alice spends the input by ...
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3answers
397 views

How many transaction per second are registered by a full node?

I'm reading different answers about the txs/sec on the tangle and I think I'm missing something. Someone says that right now there are 1000 txs/sec, someone else says 1-2 txs/sec. What's the ...
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1answer
154 views

How much memory is needed on a full-node?

A full-node contains all transactions from the last snapshot but I'm wondering how can it contain everything (that's a lot of data). Does a full-node store every transaction completely? (the whole ...
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2answers
194 views

How is the correct way to retrieve the two transactions that had been confirmed in order to create a transaction

I am trying to retrieve all new confirmed transactions from the tangle and for each transaction the corresponding transactions that have been confirmed in order to be able to create that transaction. ...