Acala/Karura TVL

Stablecoin Vault

In src/loans.js

Calculated by adding all of the collateral for every position together.
const positions = await api.query.loans.positions.entries();

DEX

In src/dex.js

Calculated by adding all of the tokens for every pool together, as well as all of tokens in the stable asset pools.
const dexPools = await api.query.dex.liquidityPool.entries();
const stablePools = await api.query.stableAsset.pools.entries();

Liquid Staking

In src/staking.js

Calculated by adding together all of the bonded tokens in every staking ledger
const ledgers = await api.query.homa.stakingLedgers.entries();

lcDOT

In src/utils: crowdloanDotToDot

The lcDOT TVL in the stablecoin vaults, and DEX is calculated by multiplying the total amount of lcDOT locked by the lcDOT current discount and then treating it as DOT.

LDOT/LKSM

in src/utils: getLiquidConversionRate

The LDOT/LKSM TVL in the stablecoin vaults, and DEX is calculated by multiplying the total amount of LDOT/LKSM by the conversion rate and then treating them as DOT/KSM.

Description

At time of raising this, when running the repo as per instructions, the script errors due to the KINT token

When encountering lookup issues with a single token like this, we should throw warning and continue so that we still return the rest of the TVL of whichever stat we are gathering.

Steps to recreate

1. Run yarn start
2. wait for Karura stats to be processed

Error thrown in log:

(node:2346) UnhandledPromiseRejectionWarning: Error: createType(CurrencyId):: Enum(Token):: Cannot map Enum JSON, unable to find 'KINT' in aca, ausd, dot, ldot, renbtc, cash, kar, kusd, ksm, lksm, bnc, vsksm