Questions tagged [ledger]

For questions regarding the Stellar Ledger

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A problem with my account viewer. Hasn't been used since 2019

"scanning for ledger wallet connection". I've tried all day and it just says this for hours. i haven't accessed my stellar since 2019. any tips for how to get to it now?
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I transferred from binance to ledger wallet but forgot to leave a memo. Is it lost? [duplicate]

I did a transfer from binance to ledger but left the memo field empty. Its been over a hour since the transaction shows completed on binance but nothing has been received in ledger wallet yet. Is the ...
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Using Stellar SDK and account on Ledger

Perhaps what I am trying to do is not possible, but here is what my goal is: I want to transfer XML stored on my ledger device to another account using Stellar SDK. I have the 24 worked mneumonic, was ...
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1 vote
1 answer
62 views

How long is a keypair valid until an account is funded and created?

The documentation says: Stellar requires accounts to hold a minimum balance of 1 XLM before they actually exist. Until it gets a bit of funding, your keypair doesn’t warrant space on the ledger. How ...
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I cant reclaim back my lumens,inflation lumens problems

I sign with my ledger , but somehow my ledger account created new account and sends my lumens how can I reclaim back my Lumens thank you " GD32…XF5T created account GAOI…5MKK with starting ...
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2k views

How do you send XLM from Coinbase to Nano Ledger X?

Each time I try to send XLM from coinbase to ledger X, it's telling me 'send failed'. The address is correct, cut and pasted from the account and verified by Nano X and Stellar account. What am I ...
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3 votes
1 answer
89 views

How can I see actual transactions in the blockchain?

how could I inspect the transactions in the blockchain, like other cryptos having blockchain inspectors even online. I can get the ledger .xdrs but I can't open them I'm only seeing binary, but I'm ...
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1 vote
1 answer
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Stellar Account Viewer is Stuck on "Submitting Transaction to the Network"

I submitted a transaction to send my lumens to my Nano. Stellar Account Viewer in Browser (Firefox) is stuck on "Submitting Transaction to the Network". Screen keeps attempting/animation keeps ...
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2 votes
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87 views

Can't access account viewer

I get this error message when trying to use Account Viewer: This security key doesn't look familiar. Please try a different one. I'm using the same ledger I've always used - anybody have an idea of ...
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1 answer
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Your balance: . lumens

Can someone tell me why my balance just says .lumens?
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1 answer
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Stellar support for Leger Nano X

Is Stellar supported on Leger Nano X? If so, which firmware version is required? Thanks
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-1 votes
1 answer
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I Made a wrong transaction https://stellarchain.io

My apologies, but I couldn’t find many channels to address my problems, hence I am writing this post. I made a wrong transaction to a donation address of XLM ...
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2 answers
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Would like to know if my stellar node running properly?

Below is what I see on the web frontend at http://my-dummy-stellar-node-domain.com:11626/info To my limited knowledge about Stellar, I see that ledger hash is not changing. Is that a healthy sign? ...
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What field should I use to get current block number

https://horizon.stellar.org/ returns history_latest_ledger and core_latest_ledger. Which field should be used to get the current block number? Which one is more reliable? Diffs? I assume ...
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5 votes
1 answer
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How to handle docker container restarts with persistent data and missing buckets

I have a private network of Stellar core nodes running on docker swarm with the DB and ledger data persisted correctly. When I remove or update the service for maintenance/upgrade of the docker image ...
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5 votes
1 answer
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How do you explain variation in ledger close times?

The average ledger close time is 5.3 seconds. https://dashboard.stellar.org/ A lot of the time, the close time is identical to the previous 5 or 6 closes. But then you see a close time that is faster, ...
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3 votes
1 answer
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Why Stellar has totalCoins in every ledger header?

I'm looking at the xdr definition of the LedgerHeader structure and it has the totalCoin fields -- so, why does every ledger header need to have totalCoins recorded in it? How would that value ever ...
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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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`LEDGER_MAX_TX_SIZE` and `5` seconds `EXP_LEDGER_TIMESPAN_SECONDS` gives only `20` tx per second?

It seems like the consensus nomination period is set to 5 seconds and each ledger size is maximized at 100 transactions per ledger, so that would give 20 transactions per second at best. Am I ...
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2 answers
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Fully uninstall Stellar from Ledger S

I originally installed Stellar App on my Ledger S and noted my account id. Unfortunately I didn't record down my secret seed. I then removed the Stellar App from my Ledger S and then again re-...
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1 answer
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Does each node maintain a global ledger?

Consider in the simplest case with two disjoint quorums A and B. If something comes to a consensus in A, does B get the update as well? On a high level view, does each peer on the Stellar network ...
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4 votes
1 answer
273 views

A complete catchup of the testnet keeps failing on verifying ledger

Trying to perform a full sync on the Stellar testnet using a recent dockerized stellar/quickstart in persistent mode (horizon: v0.13.1, core: v9.2.0, docker: v18.06.0-ce). After around 10 hours the ...
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4 votes
2 answers
195 views

Order of trade executions inside the last closed ledger

How are the trades ordered before the ledger closes? Looking from a "high frequency trading" perspective, is it possible to execute some attacks like front running on Stellar? If my node receives a ...
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5 votes
1 answer
55 views

SCP. Does non-intersecting quorums have different ledgers?

As I understand "slot" = ledger number, "value" = set of transaction. So сould you explain what happens when I(simple node with quorum slice) create a transaction ? 1) Do all nodes in stellar-...
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4 votes
1 answer
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Notify every new ledger

How I can get notify (like newblockinfo in bitcoin or getlastblock in ethereum or bitcoin) on new ledger in blockchain with go-sdk
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2 votes
3 answers
776 views

Difference between Stellar Ledger and Blocks

In Stellar, the transactions are stored in ledgers. Since the computation of current hash does not depend on previous hash (since its blockless), how can it be guaranteed that the data stored is true. ...
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2 votes
2 answers
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Ledger Blue and Ledger Live

I bought XLM and wanted to store it on my Ledger Blue. I read another post that this supposed to be possible and yet is seems impossible. Is Ledger Blue actively supported? Ledger Live is now ...
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4 votes
1 answer
51 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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3 votes
3 answers
151 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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1 vote
2 answers
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Private Testnet 404 issue

I am working on stellar private testnet setup, i have setup 3 stellar-core nodes and horizon, Account creation is working fine but data not showing for ledger, payment, transactions etc. All 3 nodes ...
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3 votes
1 answer
147 views

How to use MANUAL_CLOSE in core config?

The example config states that "Ledger will only close when stellar-core gets the manualclose command". On a new private testing network (ledger#=1), after setting MANUAL_CLOSE=true, I did stellar-...
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11 votes
1 answer
118 views

Info on metrics

Is there any documentation as to what each of the metrics outputted by stellar-core -c metrics means? In particular, I'm interested in determining the number of transactions reviewed by a particular ...
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1 vote
1 answer
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Number of transactions in Ledger

Does one ledger hold multiple transactions from different accounts? By looking at the single ledger, I see only a few transactions. In the above ledger sequence, there are only 2 transactions.I assume ...
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2 votes
1 answer
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Trustline Created At from Horizon Database

I try to find when is trustline to an asset is created in horizon database. I joining history_effects, history_accounts, history_operations and history_transactions. I got created_at field on ...
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4 votes
1 answer
176 views

SQL Database and Stellar Ledger State

Browsing through src code, saw below line in https://github.com/stellar/stellar-core/tree/master/src/database: The Database object manages connections to an SQL database, in which the current ...
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5 votes
1 answer
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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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23 votes
2 answers
2k views

How big is the ledger?

The public ledger adds a new entry every 3-5 seconds. So I am worried it might grow too big for normal users to run a node. How big is the current ledger and how much is it expected to grow each year?
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Terminology - What's a Ledger in Stellar?

This may sound simple, but to people (like myself) coming from Bitcoin, its not immediately clear what a "Ledger" is. Does it equate with "The blockchain" or the "block"? The Stellar documents are ...
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6 votes
1 answer
402 views

How do I install the Stellar app on my Ledger Nano S

I just received my Ledger Nano S and understand that it has support for Stellar. What is the procedure to install the app on this device?
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4 votes
1 answer
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'Skip List' examples?

Has anyone used the 'Skip List' property on the ledger? If so, do you have an example / use case? Skip list: Hashes of ledgers in the past. Allows you to jump back in time in the ledger chain ...
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