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Questions tagged [milestones]

Use this tag for questions related to Milestones.

2
votes
0answers
83 views

How to select a starting transaction at `depth` without Milestones?

Tip selection uses a depth parameter that the TipSelectorImpl accepts to determine a starting transaction, actually an N-deep Milestone, for the approved Random Walk Monte Carlo random tip selection ...
1
vote
0answers
52 views

How to find earliest confirming (referencing) milestone for the confirmed transaction?

This question is about a) iterating milestones starting from the latest and b) most efficient way to find if it references the transaction. Note, that a milestone not necessary refers to previous ...
1
vote
2answers
76 views

Why is the Coordinator necessary if its confirmations will be rejected by other nodes if it acts maliciously?

It has been said many times that the Coordinator is not necessary because its confirmations will be rejected by other nodes if it acts maliciously. It follows that if other nodes can tell if the ...
1
vote
2answers
46 views

Is the fastest confirmation time limited by the frequency of the Coordinator issued Milestones?

Looking at traviota.iotalt.com, the fastest confirmation time encountered in the last 7 days was 29 seconds. This looks likes the approximate same duration between Coordinator issued Milestones. ...
2
votes
0answers
94 views

In v1.5.2, are transactions based on the call to `getTransactionsToApprove` included in subsequent calls to `getTransactionsToApprove`?

In the new IRI version 1.5.2, a call to getTransactionsToApprove provides a set of transactions that can be used as the trunk and branch of a new transaction. Given that some of the returned tips ...
3
votes
1answer
88 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/...
5
votes
2answers
428 views

Decentralized milestone issuance scheme?

I decided to preserve the original post in a pastebin for reference but the edits here address pretty much everything i think. Here is the link to the original post. There is also a link to a fresh ...
5
votes
1answer
79 views

IRI gets stuck after a while

I run a node I setup after the manual of http://iota.partners/ I recently completely wiped it and installed the newest lubuntu 18.04 on it, but I had the same problems before. Yesterday I set ...
4
votes
2answers
181 views

Remove the necessity of Milestones

In the Original white paper of the IOTA there is no mention of the Milestone. In reality however, the IRI code is so tangled (pun intended) with the use of Milestones, that I was not able to run an ...
7
votes
1answer
466 views

How exactly are transactions verified and confirmed in IOTA

What I understand is when I purchase an IOTA the source which I make my purchase is one of the node in the network of nodes. This node uses the Monte Carlo algorithm to pick two previous transactions ...
8
votes
1answer
174 views

What is the “latestSolidSubtangleMilestone”?

In the documentation I found the following description for "latestSolidSubtangleMilestone": The latest milestone which is solid and is used for sending transactions. For a milestone to become ...
9
votes
0answers
220 views

Why does the tangle exhibit clumping?

In the Iota whitepaper the tangle is depicted as a uni-directional graph with a uniformly random set of connections between graph nodes. In the current implementation the true topology of the tangle ...
4
votes
1answer
127 views

How will IoT devices know the state of the network?

I understand that the plan is to have specific hardware to allow IoT devices to perform the PoW, but how will they know the state of the network in order to perform the MCMC? Wouldn't that require ...
6
votes
2answers
167 views

What does unsychronous Milestones mean?

What does it mean, if the Last Milestone Index is increasing constantly, but the Last Solid Milestone Index does not? I know, that they both have to be equal, to have a fully synced node. But what, ...
7
votes
1answer
195 views

What does it mean, if the LSM and LM are equal, but do not change for hours?

My Latest Milestone and Latest Solid Subtangle Milestone are the same, but they do never change and they are behind the numbers in #botbox. What does that mean? My node is not fully synced, right? ...
5
votes
1answer
214 views

What can be the reason for the Solid Milestone Index not to increase overtime?

I have a node that always worked. When I do something like updating iri, for example, everything seems fine with it. The problem is, in these cases, the "Solid Milestone Index" started to increase ...
11
votes
1answer
531 views

Nodes Not Syncing

Last night one of my nodes feel behind sync. Someone suggested I set the heap size explicitly when running the iri with -Xmx6500m. java -Xmx6500m -jar iri-1.4.1.4.jar -c iri.ini I did that and both ...
5
votes
1answer
208 views

How to see the “Latest Solid Milestone Index” of my neighbors?

I would like to know if it is possible to see the syncing status of my neighbors.
7
votes
0answers
55 views

Why is my node always a few milestones behind

I run headless full node. I am synced, latestMilestone == latestSolidSubtangleMilestone. But my latestMilestoneIndex is always a few (3-10) behind from the most recent milestone in the Botbox channel. ...
4
votes
2answers
65 views

latestMilestoneIndex value during resync

I am running a headless full node. The first time I synced, I followed the http://iota.partners guide by downloading their current database and performing a rescan_db on first sync. Now their guide ...
3
votes
1answer
61 views

IRI solid milestone tracker crash: GC overhead limit exceeded

I have been trying to get my testnet node to fully sync for the last week. I have a EC2 M4.xlarge instance: CentOS7 64bit testnet iri 1.4.1.3 Oracle JDK 1.8.0.152 Xmx 5GB neighbors with 5 community ...
3
votes
2answers
176 views

“latestSolidSubtangleMilestoneIndex” not counting up in full node

In my full node, the milestoneIndex is up to date. However, the latestSolidSubtangleMilestoneIndex is stuck on a fix previous number. Is this correct? If not, what could be the reason for it and how ...
7
votes
1answer
343 views

What's the difference between Milestones and Snapshots?

As far as I understand Milestones are done by the Coordinator to verify transactions. What do Snapshots do? Do they serve as backup? Do they clean up dead tips? Who issues them?
6
votes
1answer
136 views

What does the “block number” in the iota wallet represent?

My iota wallet displays something that I would assume to be a block number in the lower left corner: 291911 But being aware of the Tangle structure, I know there are no blocks in iota. What does this ...