[PE-7272] Solana relay endpoints to do swaps direct through DBC by DejayJD · Pull Request #13351 · AudiusProject/apps

DejayJD · 2025-10-31T21:48:58Z

Context

We're seeing Jupiter have issues finding swap routes to our tokens
In the event this happens we can use the meteora DBC client directly to get a swap (after doing a swap to AUDIO first, but we already do this)

Description

This is just the solana relay & sdk changes
Adds new routes to solana relay for DBC swaps & quotes
- They're not named anything specific to DBC bc my thinking is the same endpoint could be used for DAMMs as well if we want
Adds sdk methods to SolanaRelay

How Has This Been Tested?

Postman looking good, verified TX on explorer.solana.com
TODO: test with client once this ships (having issues with fee payers locally)

changeset-bot · 2025-10-31T21:49:03Z

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dharit-tan · 2025-10-31T21:57:55Z

+      })
+      return
+    }
+    // Inputs are all validated now 👍


who you calling a robot - I wrote this myself lul

dharit-tan · 2025-10-31T22:00:09Z

+    const currentPoint = await connection.getSlot()
+
+    // Get swap quote
+    // swapBaseForQuote: false means we're swapping quote (AUDIO) for base (artist token)


is this gonna work with artist coin <-> artist coin swaps?

thats not what this endpoint does - this endpoint is solely for AUDIO-COIN

although that made me realize I think I actually set this up solely for buys - oop

sg yeah can merge this first but we will probably wanna think about this for sells and swaps later. but i think buys is more important off the bat.

updated to work both ways

dharit-tan · 2025-10-31T22:01:00Z

@@ -0,0 +1,126 @@
+import { DynamicBondingCurveClient } from '@meteora-ag/dynamic-bonding-curve-sdk'


seems like opportunity for shared code here

wdym - can you elaborate

can u re-use the quote logic in the swap endpoint?
or can we share the validation logic?
nbd tho i like wet

yeah I dont see much point - the actual quote logic is one method (swapQuote) - the rest is just setting up dependencies and I don't see much point in reusing that tbh

dylanjeffers

nice work. naming wise, since this is meteora specific, do we want that out in solana-relay? or we thinking this is a first class thing someone could use exclusively, and we happen to use it as a fallback?

dylanjeffers · 2025-10-31T22:04:24Z

+
+    // Get swap quote
+    // swapBaseForQuote: false means we're swapping quote (AUDIO) for base (artist token)
+    const swapQuote = await dbcClient.pool.swapQuote({


any point in using "getSwapQuote" in this route since it's quite similar up to this point?

if you mean the other route logic I added? Same as I said to reed there's not much point tbh

DejayJD · 2025-10-31T22:43:37Z

nice work. naming wise, since this is meteora specific, do we want that out in solana-relay? or we thinking this is a first class thing someone could use exclusively, and we happen to use it as a fallback?

I like the idea, I updated to use meteora in the naming.
Also re: "this is meteora specific" - all of launchpad is meteora specific so I dont see why this would be any different

[42ff097] [PE-7272] Solana relay endpoints to do swaps direct through DBC (#13351) JD Francis [98da331] Claim vested coins flow QA (#13335) Reed [c156f12] Skip unrecognized challenge_ids (#13315) Ray Jacobson [5679e39] [API-369] Skip ratio check for dvl challenge (#13349) Randy Schott

Just solana relay methods

72ba174

pull-request-size Bot added the size/L label Oct 31, 2025

DejayJD requested review from a team, dharit-tan, dylanjeffers and raymondjacobson October 31, 2025 21:49

dharit-tan reviewed Oct 31, 2025

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dharit-tan approved these changes Oct 31, 2025

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dylanjeffers approved these changes Oct 31, 2025

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dylanjeffers reviewed Oct 31, 2025

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DejayJD added 3 commits October 31, 2025 17:32

update swaps to go both ways

dea08b6

rename stuff to meteora

65e3261

sdk changes

49509bc

DejayJD merged commit 42ff097 into main Oct 31, 2025
6 of 8 checks passed

DejayJD deleted the jd/meteora-dbc-swaps-relayonly branch October 31, 2025 23:47

		@@ -0,0 +1,126 @@
		import { DynamicBondingCurveClient } from '@meteora-ag/dynamic-bonding-curve-sdk'

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DejayJD commented Oct 31, 2025

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DejayJD commented Oct 31, 2025 •

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