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11 views

Merkle tree cannot be calculated in hornet

I am trying to calculate merkle tree using the below command:sudo -u hornet COO_SEED="$YOURSEED" hornet -d $HORNETPATH tool merkle. I am getting an error like:sudo: unknown user hornet and ...
0
votes
0answers
11 views

This operation cannot be executed: The subtangle has not been updated yet

When I try to send the hello message to tangle, it is returning this error message. I have 2 neighbour nodes and POW enabled in the nodes.
0
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0answers
7 views

How to send data to my IRI node in my private tangle

I used the e01_helloworld.py example given in the iota python workshop. Instead of nodes.devnet.iota.org:443, I changed it to my IRI nodes' Ip address and port. It is like:api = Iota('https://IP ...
0
votes
0answers
10 views

how the loads are calculated on nodes in this link https://iota-nodes.net/

I need to show the load of the full nodes. it appeared in the above link. I am wondering if the javascript code is available. thank you in advance.
0
votes
0answers
25 views

Migrations Tool Problem Trinity! Help!

who is familiar with the Iota migration tool for Trinity? If I made a mistake during the migration and put my Iota Token in there, who is responsible for it? Probably me? Or? But, but I didn't read ...
0
votes
0answers
31 views

I found that my iota tokens are stolen

After logging into my trinity_wallet after a long time (several monthes), I found a zero balance and lastest transaction which was not mine. After correspondence with a team member, it became clear ...
0
votes
0answers
15 views

latestSolidSubtangleMilestone: '999999999999999999999999999999999999999999999999999999999999999999999999999999999'

I ran IOTA node on localhost and also got connected to a neighbor, but when I call an api of getnode info it results latestSolidSubtangleMilestone with 99999...and even sending any message shows me ...
0
votes
1answer
24 views

Tangle : Algorithm to determine if a transaction is valid or not

A node needs to verify that all transaction that it receives are valid before adding it to its local copy of tangle. For this we would need an algorithm which given the cone of this transaction would ...
0
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0answers
18 views

Trinity Helper (Renderer)

Previously, I have had no problem opening Trinity on my Mac and after providing my password, it opened correctly. I updated after the recent closure and again, all was satisfactory. I have not used ...
0
votes
0answers
8 views

Cannot access Trinity wallet

I set uo a Trinity wallet on my MacAir about a year ago using a Nano X. This morning I opened it to check my balance and connected the Nano to check all was working. Everything fine. I then noticed ...
0
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0answers
13 views

Tangle Statistics

I am a computer science master student at York University, Toronto, Canada. My thesis is about Exploring the scalability, throughput and security characteristics of the Tangle through simulation ...
0
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0answers
28 views

Miotas are caught in the migration tool! Probably wrong seed saved! Help!

I did the migration at the end of February! Everything seemed right. But somehow I got confused over time. And I was already tired. Somehow the migration was successful, but afterwards I had to find ...
0
votes
0answers
10 views

Accessing JSON message from IRI node API using Python 3

I am using one command tangle. The tangle is running on Ubuntu machine. From the list of APIs given for IRI node, I'm trying to broadcast a transaction. For this, the first step is to get ...
0
votes
1answer
39 views

Circumventing spending by sending previous transaction using same input

I will give a scenario because my problem might be confusing if explained otherwise. Let's say a customer is checking out at a store using IOTA. Before the customer proceeds to checkout they send a ...
0
votes
0answers
22 views

Connection to private node (one command tangle) refused

I have created a one command tangle from this link: https://docs.iota.org/docs/utils/0.1/community/one-command-tangle/overview And using API given here: https://docs.iota.org/docs/node-software/0.1/...
0
votes
0answers
14 views

Can I check if the transaction has been confirmed and monitor its time using IOTA JavaScript Library?

I am using this code to send transaction to IOTA Tangle (Mainnet). I am sending 10 transactions using a loop. I am also monitoring the time that is taken to prepare transfer and send trytes. Here is ...
0
votes
0answers
11 views

How do you check your message's length in IOTA transaction using IOTA JavaScript library?

I am sending a zero-value transaction (using IOTA JavaScript library) with message: The IOTA distributed ledger operates on ternary messages. These types of messages are represented by trits {-1,0,1}, ...
0
votes
0answers
9 views

Error while transfering IOTA

I have one-command private tangle up and running on VirtualBox instance and I can do some basic things like, generating address, seed, etc, but I don't know how to transfer IOTA token to an address. I ...
3
votes
1answer
22 views

Using Public Nodes in IOTA Tangle for testing purpose

I want to send some string data using MAM over IOTA Tangle. Right now, I am using devnet. I want to know how can we test our transactions using public nodes on Mainnet? What is the process for it? I ...
0
votes
1answer
33 views

I can't work out how to get TangleID to work

So im trying to get tangleID to work to use it on a project. I am using this project. https://github.com/TangleID/TangleID But everytime I try and run the code i get an error message of "Mam.init is ...
1
vote
2answers
41 views

Problem retrieving the content of zero value transactions from the testnet

I am sending two zero value transactions to a specific address on the testnet. The content is shown below: This is the address I am sending it to: ...
2
votes
1answer
41 views

How long do Zero Value Transactions last?

Let s say we have some critical information stored as Zero Value transactions on the Tangle. How long does it last? Which robust approaches do you recommend to keep a copy of those transactions? I ...
3
votes
2answers
68 views

Fetch Encrypted Data ValueError: Request failed validation

I am trying to fetch bundles from the Tangle based on their tail transaction hashes. I am trying to follow step 7 of the Pyota Tutorial I successfully encrypted data and included it in a zero-value ...
0
votes
1answer
26 views

Is it secure to enter your seed in a browser form to publish data to IOTA Tangle?

I am trying to publish my data on IOTA Tangle using MAM. For this, I have designed a web form where I have to enter my seed and press the publish button. The actual data is fetched from firebase ...
0
votes
1answer
44 views

Client libraries available for Flutter/Dart?

Probably not typically needed for an IoT device, but a general app that uses the Iota ledger might be on a mobile device, and the Flutter framework seems pretty handy (I like how it can output iOS and ...
1
vote
1answer
22 views

How to define depth in IOTA?

i am trying to follow private tangle implantation and when I use bazel run :build calculator command. I am afraid I don't know how to depth in it .json file? any suggestions (link I am following for ...
3
votes
1answer
27 views

What is the minimum amount of transactions required to approve a new transaction?

The official IOTA FAQ mentions how Bitcoin needs roughly 6 blocks to verify a new transaction. What is the equivalent rough estimate for IOTA in order to verify a single new transaction? How big of a ...
0
votes
0answers
14 views

Can MAM transaction be appended?

There is an already existing MAM transaction that has been published on Tangle by a seed. Now, I want to add further data in the same transaction. Example, temperature sensor has published data ...
-1
votes
1answer
33 views

is tangle (IoTA) Depth-first search or Breadth-first search?

There is several of algorithms for topology sorting for DAG. What is algorithm used by tangle for search, is it Depth-first search or Breadth-first search or is there another method?
0
votes
0answers
14 views

Transaction hedging

is it be possible to hedge every iota transaction with oracle? So you can avoid the IOTA price fluctuation and hedge it to USD for instance until there's settlement done.
0
votes
0answers
31 views

What is the difference between IRI-Playbook and IRI full node (Private tangle)?

I know there is three type of full node: 1- mainnet 2- devnet 3- testnet I wand to build private IoTA network with full control. So, I have found tutorial for private tangle: https://docs.iota.org/...
0
votes
1answer
17 views

Edit MAM stream already implemented on Tangle

For my project, I have created a web interface on which I'm viewing a published MAM stream. I want to know that is it possible to edit or add new record to MAM stream that has already been published ...
0
votes
1answer
35 views

Error in neighbors list on IoTA full node iri-playbook

I have install iri-playbook but when I want to show my neighbors list using this command nbctl -l it shows this error: ERROR: Error response from node: code 500, response: '{"exception":"port out of ...
5
votes
1answer
53 views

Error cannot import name 'Seed' from 'iota'

When trying to import Seed from iota i receive following error: Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 22:22:05) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "...
1
vote
0answers
46 views

Compass: Can't build layers_calculator to compute Merkle Tree

I am trying to set up a private tangle and I cannot compute merklee tree. I followed this link: https://docs.iota.org/docs/compass/0.1/how-to-guides/set-up-a-private-tangle#step-2-compute-the-merkle-...
1
vote
0answers
25 views

how many genesis in IoTA tangle?

If I have 10 sensors in IoT architecture and 5 of them start to send data at the same time, it will have 5 genesis in IoTA tangle? or only one genesis will be published? if so how to choose one from ...
1
vote
0answers
39 views

Coordicide Whitepaper Jan 2020, Mana System, Averaged Mana

In coordicide whitepaper in section 3.3 the mana system is introduced. It is stated that an averaged version of mana will be used. While I think I understand the necessity to use the averaged mana I ...
1
vote
1answer
31 views

Install IRI full node on my PC Ubuntu: shows canceled

I want to install IRI full node IoTA on my PC with Ubuntu bionic 18.04 with core i3 and 8GB RAM. I entered the following command to install IRI: sudo bash < <(curl -s https://raw....
2
votes
1answer
61 views

IoT sensor publish data to tangle with IoTA platform using MQTT and MAM

I have pulse sensor connected to NodeMCU. This sensor publishes data to Mosquitto by MQTT protocol. I want to receive data from broker and publish it to tangle using MQTT and MAM. Mosquitto broker is ...
1
vote
1answer
22 views

How is Tangle Quantum Immune? [duplicate]

I was going through the iota tangle documentation and features and found one of the feature mentioned as Quantum Immune , so basically looking for resources to understand the quantum immune property ...
2
votes
2answers
69 views

How is a MAM stream implemented on the Tangle?

What I am wondering is how the Merkle tree for a MAM stream is implemented in the Tangle. Is each set of new data in the stream basically a "leaf", and considered a separate transaction on the Tangle ...
0
votes
2answers
27 views

How do transactions reference each other in the Tangle?

How do transactions reference other transactions in the Tangle, is it through the Merkle root, or signature message fragment? And how can you make a transaction reference another chosen transaction. ...
1
vote
1answer
40 views

Why is the async function not working while fetching MAM data?

I am making a simple MAM publish and fetch script. The first script is mam_publish which publishes the data. The other script is mam_receive which fetched the already published data. Now, the ...
0
votes
2answers
52 views

How do I know MAM data has been published?

I am running a code to publish random data on Tangle via MAM. If I don't fetch the data at the same time, and I just want to confirm if it has been published on Tangle, how do I do that? Also, is it ...
3
votes
1answer
86 views

How to send Health Data to Tangle via MAM?

I am trying to make a project to send Health data from my phone to Tangle via MAM. For this purpose, I have made a sample file that publishes sample health data to Tangle. When I am running the code, ...
1
vote
0answers
58 views

Connecting another node to a private testnet

I´ve set up a private testnet following the one command tangle tutorial. It works properly (curl checked) When I try to connect another node to this private Tangle, I get: Dropping connection to ...
1
vote
2answers
54 views

Sending data as input in IOTA

I am Muhammad, working with my way to use IOTA to fetch data from IDS/IPS. IOTA uses 2 transactions as input if I am not wrong. I want to send data of IDS to IOTA. I am using Grafana and mysql to ...
3
votes
0answers
54 views

Smart Contract for IOTA: Is it finally possible to deploy a contract in IOTA in practice? Or still underway?

I heard before that IOTA decided to add the possibility of developing and deploying the smart contract in IOTA (Like Ethereum) with a specific language called "Abra", and it was promised to be run at ...
0
votes
0answers
12 views

Alternative signature schemes for iota

Which post quantum signature scheme can be replaced with Winternitz signature scheme in iota?
0
votes
1answer
77 views

Which algorithms do IOTA use?

Is there a high-level overview of the different algorithms used by IOTA available somewhere? My assumption is that there are different algorithms used for signing bundles, creating addresses, ...

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