Questions tagged [history]

For questions about the history of the Stellar network.

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What is <HISTORY-LABEL> in stellar-core new-hist command?

The Error: Nov 05 08:47:34 ip-10-31-37-117 stellar-core[8828]: cp: cannot stat '/var/www-host/stellar-core/history-cache/history/01/96/91/history-0196913f.json': No such file or directory Nov 05 08:...
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2answers
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Unable sync my updated node stellar-core (v11.4.0), Please Help

General information We have a private network based on stellar. I update the new release of stellar-core v11.4.0 but, my node stuck on catching up state and restart over and over. Our network nodes ...
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1answer
37 views

Which USD token to recommend to friends?

I notice that both USD/x.token.io and USD/www.anchorusd.com have significant usage. I'm not sure what to tell friends looking to: convert XLM into USD tokens have a single USD trustline to accept (...
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History isnt published during catchup, why?

I noticed that stellar-core does not publish history during catchup. It only publishes history once its actually synced. I'm wondering why this is the case. What's the reasoning behind this? I'm ...
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1answer
53 views

Publishing history to new history archive results in error of loading history state

I keep getting the [History ERROR] Error loading history state: rapidjson internal assertion failure: IsObject() when trying to publish the state of a recently added node to it's recently initialized ...
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1answer
99 views

History Archive Configuration for Private Networks

I have a similar question to this but it remains unanswered and there is no documentation to be found when it comes to running a stable and resilient production network. Setup I am working on a ...
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0answers
17 views

How does Stellar-Core handle multiple archives in a secure manner?

For a stellar code, if a node is configured with multiple history archives for reading, presumably from sources of different nodes. How does this node handle discrepancies between the historical data? ...
4
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1answer
82 views

Stellar-core not syncing on testnet after restart. Missing Buckets not being retrieved

After attempting to restart a stellar core node I had running on the test net I got an error, and when I tried to run stellar-core (inside docker container) with stellar-core run I got the following: ...
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1answer
118 views

Using S3 as Archive for Standalone Node

I assume this is a classical How To. But i can't find the answer. How do I configure S3 as archive for a standadlone stellar node? Here is what I did: 1) Started the node with quickstart template: ...
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2answers
76 views

How to get account historical balances?

how would I go about obtaining a list of historical data (tokens held, their quantities and a timestamp) for an address? The stellar expert explorer has a way of generating this kind of data, an ...
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1answer
144 views

Steps for Horizon to Ingest Stellar-Core from ledger 1, after `horizon db clear`?

With a private network running for several months, I accidentally called the command horizon db clear, and then Horizon now shows: "history_latest_ledger": 2576535, "history_elder_ledger": 1830026, ...
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111 views

Stellar-core failing to initialize history archives to S3

My archive setups are configured like this: [HISTORY.v1] get="aws s3 cp s3://my-bucket/v1/{0} {1}" put="aws s3 cp {0} s3://my-bucket/v1/{1}" [HISTORY.v2] get="aws s3 cp s3://my-bucket/v2/{0} {1}" [...
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1answer
38 views

When a lower tier quorum comes to its own consensus

Consider this simple scenario: A <--- B A.QUORUM_SET = [A] A.THRESHOLD = 100 B.QUORUM_SET = [A,B] B.THRESHOLD = 49 So A is a higher tier node that comes to consensus with itself. B is a lower ...
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0answers
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History buckets not found in history.stellar.org

After update to stellar-core 10.0.0rc4 I got history issue. Synchronization is stuck. Here is errors: 2018-09-14T14:08:36.090 GCUCN [default INFO] Loading last known ledger 2018-09-14T14:10:19....
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1answer
39 views

Why does the first ledgers xdr file contains only 63 ledgers?

One ledger-headers file, named by ledger number as ledger/ww/xx/yy/ledger-wwxxyyzz.xdr.gz. The file contains a sequence of XDR structures of type LedgerHeaderHistoryEntry, one per ledger in the ...
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2answers
524 views

Horizon waiting for Stellar-core to sync

I have built stellar-core and horizon instances from source on Ubuntu 18.04 LTS. I managed to make them work for the test-net, yet now, whilst trying to configure stellar-core.cfg for the public ...
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3answers
87 views

Account information at a given ledger number

We are working on a project which would require to know some account information at a given ledger number (data fields, balance and inflation destination). The ledger number is coming from a specific ...
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1answer
59 views

Where can I find history files structure (transactions and ledger files specifically)?

I'm trying to extract history files from the archive, I understood that transaction file is built of pairs: (32bit length,data), but when I try to extract the data from a single stream I get error: ...
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1answer
149 views

Is it possible to fully sync Stellar node without history archive access?

The answer to this question might be trivial, since the Stellar foundation history archives might be always available, but I am just trying to understand how the full syncing works. Could I complete ...
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4answers
413 views

Browsing Stellar's history archive

From what I understand, Stellar.org keeps the history of their core nodes here. I can click that URL and see an XML-formatted file list in my browser. Which is nice. However, to get a better feel ...
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1answer
91 views

When do validators know to push the data from the latest ledger to archive nodes?

As Validators agree on the latest transaction sets to apply to the ledger when do they know to update the data being stored in the archive nodes? Is it based on the owner of an archive node listening ...
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1answer
79 views

What is the storage size and growth rate for the Live network?

I would like to sync with the live net, but so far couldn't search for any discussion on the costs and growth rate (archive & postgres). Thanks in advance.
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1answer
82 views

Are the stellar history (XDR) files available in other regions or on other cloud providers

Most of the documentation or configuration info I have seen reference the history.stellar.org bucket on AWS S3 as the official source of history data. This bucket appears to be in the eu-west-1 (...
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1answer
68 views

How do I get an historic view of the inflation votes?

Specifically, I'm interested in knowing what the state of inflation votes were at an arbitrary historic timestamp. I can run the ledger backward to figure balances, but I'm not sure how I'd figure ...
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1answer
188 views

Where is the name 'Stellar' derived from?

Where is the name 'Stellar' derived from? Wikipedia doesn't mention it, and while the stellar.org website mentions that it was the original name of the network's 'coin' (now called 'lumen', and I do ...