Questions tagged [lightning-routing]

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unable to route payment to destination: TemporaryChannelFailure

Keep getting this error following attempting to pay an invoice. root@ubuntu-s-1vcpu-2gb-nyc3-01:~# lncli --network=testnet payinvoice ...
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2answers
1k views

My lnd node hasn't routed any payments (1 week + since initial setup)

So I finally setup a lightning node (lnd) and according to "feereport" I haven't routed any payments (no fees collected). I have used my node to send payments (yalls, satoshis.place, blockstream...) ...
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2answers
86 views

Clarification about lightning network

When I run a lightning node, I have to set up a lightning channel with, for example, a highly connected node. Here a first question: When I set up a lightning channel with a node, have I need to put ...
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2answers
369 views

How to know earning LN routing fees

I am using c-lightning version:v0.6-182-g1851ebb. Is there a way to know how much I have earned routing fees? I found that lnd has lncli feereport command that shows earned fees. Does c-lightning have ...
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1answer
2k views

How does lnd's autopilot feature work?

Autopilot automatically connects to peers in order to establish a p2p network. I didn't find however a complete explanation of its motivation and logic.
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135 views

How does one manage the shifts of Channel Balances in the Lightning Network

I saw the video below that shows the possibility of a shift in Channel Balances. It shows that the amount that one uses to fund a channel may "disappear" if the channel is used as part of a route to ...
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1answer
251 views

How does LN solve the liquidity problem?

How do nodes in LN manage to provide 100% collateral to all the outgoing channels? I attached an example below that details my confusion about the lack of liquidity.
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0answers
69 views

what happens if one node goes down in lightning network multihop payments? [duplicate]

In a scenario where we have the following lightning payment channels: Alice <-> Bob <-> Carol <-> Dave Alice wants to pay Dave. Dave generates a payment request by selecting a random R and ...
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1answer
254 views

Mapping the Bitcoin Lightning Network: Why not use the Blockchain?

Researching about the available routing algorithms for the Bitcoin Lightning Network, I have been reading the Flare whitepaper, and this idea/question came to mind: Since all payment channels are ...
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1answer
922 views

Lightning Route Discovery - How to know capacity in each direction?

So i have a question how routing works in the LN. I read partly through the RFC described in https://github.com/lightningnetwork/lightning-rfc but I have still this open question. I know every node ...
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1answer
296 views

Is it possible to design a hardware wallet that can allow operation of a routing Lightning node with the security level of a hardware wallet?

I'm wondering if its possible to design a hardware wallet such that it can be used for a Lightning node that routes payments for their channel partners such that their funds can never be stolen even ...
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1answer
508 views

Do relay nodes need to have money in order to relay transactions?

Imagine Alice wants to send 0.5 btc to Bob. They both open channels with Carol, a relay node that has no money. They create single funded channels each of 1 btc. Now Alice updates her channel to be 0....
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1answer
59 views

How to prevent lightening network spend two times the balance?

If I choose off-blockchain transaction in Lightning network is it any mechanism to check wether balance covers mount of transaction? So is it, or isn't it possible spend two times the same amount of ...
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1answer
555 views

In the Lightning Network, what happens if a “middle node” suddenly goes dormant for a long while?

I think I have a general understanding of how the Lightning Network works. However, I was having a little difficulty in understanding what happens when a node in the middle of a "path" suddenly goes ...
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1answer
86 views

Same entity controlling separated parts of a a lightning path

Given the lightning path Alice → Bob → Carol → Dave → Emilee (with Alice being the sender and Emilee being the receiver), assume Dave and Bob to be the same entity. By pulling funds from Dave to ...
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1answer
527 views

Would it be possible to send money through the Lightning Network to an offline address?

My understanding is that the current Lightning Network spec requires an address receiving money to sign things with its private key - which requires the owner of that key to be online. Are there any ...
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2answers
2k views

Is lightning network limited by the 'size' of channels?

Imagine we start with multiple channels which eventually link two individuals, Alice and Rob: (the BTC amounts is the total locked in their multisig address for their channels between each other) ...
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2answers
101 views

Is there some way to add a third party authorizer to (or by) a lightning network transaction?

I'm not asking for "multisig on the lightning network", but I'm more curious about how one would set up shared control over lightning network transactions in general. Imagine we don't have a ...
5
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1answer
248 views

Non-bidirection payment channels for lightning network

I am trying to understand the technology behind LN and similar concepts. As I understand it, LN is a network of bidirectional channels, which are created with some limited capacity, within which the ...
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1answer
161 views

Channels state validation in lightning network?

I looked into docs but didn't find any information, how do client get information about the state of intermediate channels? Since channel transactions are offchain, and only channel participants ...
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3answers
2k views

Is centralization in the Lightning network inevitable? Why (not)?

Especially keeping in mind the possibility of single-funded channels (see Tadge's Google Doc Slides), buying from an exchange and concurrently opening a payment channel on the Lightning network would ...
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3answers
5k views

How are paths found in Lightning Network?

I understand now how multihop payments can work in LN, but how do we discover payment paths in Lightning Network in the first place? Obviously you'd need to take into account the available capacity ...
9
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1answer
1k views

How is a node in the middle prohibited from keeping the money in a routed Payment in Lightning network?

It is my understanding that Lightning is to scale with users having only few payment channels by leveraging the six degrees of separation theory to facilitate payment routing. I understand how onion ...