Alec Charbonneau

services/horizon: open an endpoint for circulating supply

1

### What problem does your feature solve? Right now there's not an endpoint that gives an aggregate amount of lumens held by accounts. An example of when this is needed...

Add a mutex to backend ledger transaction_count and operation_count sums

1

when looking at the ledgers endpoints for dashboard-v2 and dashboard v1 (in prod now) I noticed the tx and op count data are slightly different. I'm guessing it's due to...

Right now we don't have a way internally of calculating DEX volume (can use third party services like stellar.expert, but would add risks when using 3rd party data sources). see...

unlike the current cache updates (ie ledgers, lumens) updated every deploy or 10 minutes, these should be updated at a regular intervals every day. We could use a cron job...

see if we can reduce the number of calls to Horizon. For example the `v1 updateApiLumens` method calls Horizon 40 times simultaneously every 10 mins. ``` commonLumens.totalSupply - 2 commonLumens.circulatingSupply...

if a number is passed for maxAmountA in liquidityPoolDeposit, error thrown is "required"

1

**Describe the bug** If you pass in a number instead of a string for either maxAmountA or maxAmountB field of the `liquidityPoolDeposit` operation, the error thrown is `TypeError: maxAmountA argument...

Looks like not loading for v15 (`v15.4` and `v15.6.1` tested), but it is loading for `v16.0`

Can't import whold sdk module in React

2

**Describe the bug** When trying to import the entire sdk in React or React native, it returns undefined. NodeJS environment it works as expected (not sure if this is a...

add SEP-24 support

9

(Holding off merge until ready) [ticket](https://stellarorg.atlassian.net/browse/WAL-510?atlOrigin=eyJpIjoiYjc4YjMzY2JjNTFhNDNhYjhiOWIxYWM4MWQ2ZTQ4NDEiLCJwIjoiaiJ9) https://user-images.githubusercontent.com/30449853/206056227-66db6194-241b-46a6-b068-65c84c6407ee.mov

sdk/state: change open/confirm/payment validations to check against ChannelState() when possible

5

right now validations for open/confirm/payment are checking against the state of the latest agreements. Now that we have an overall ChannelState() enum, we should instead (or possibly also) check against...