Merge pull request #26 from terraswap/feat/classic-base-token-tax

Apply BASE token tax
terraswap · Feb 21, 2024 · 940997b · 940997b
2 parents da28529 + 7f316c0
commit 940997b
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Showing 3 changed files with 32 additions and 10 deletions.
diff --git a/src/collector/indexer/common.ts b/src/collector/indexer/common.ts
@@ -2,7 +2,7 @@ import { EntityManager } from 'typeorm'
 import { isNative } from 'lib/utils'
 import { isClassic } from 'lib/terra'
 import { baseCurrency } from 'lib/terraswap'
-import { PairDayDataEntity, PairHourDataEntity, PairInfoEntity, TokenInfoEntity } from 'orm'
+import { PairDataEntity, PairDayDataEntity, PairHourDataEntity, PairInfoEntity, TokenInfoEntity } from 'orm'
 import { ExchangeRate } from 'types'
 import { num } from 'lib/num'
 import { lcd } from 'lib/terra/lcd'
@@ -140,7 +140,7 @@ async function _mainnetTokenPrice(manager: EntityManager,
 
   while (tokenQueue.length > 0) {
     const target = tokenQueue.shift();
-      paths.get(target)?.forEach(p => {
+    paths.get(target)?.forEach(p => {
       const other = p.assets[0].token === target ? p.assets[1].token : p.assets[0].token;
       const otherPrice = _calculatePrice(p.assets, target, price[target].price);
       if (!price[other] || num(price[other].liquidity).lt(num(p.liquidity))) {
@@ -169,7 +169,7 @@ function _calculatePrice(assets: Asset[], target: string, targetPrice: string):
 
 export async function comparePairReserve(height: number, em: EntityManager): Promise<void> {
 
-  const compare = async (pds: PairDayDataEntity[]) => {
+  const compare = async (pds: PairDataEntity[]) => {
     const pdPromises = pds.map(async (pd) => {
       let poolInfo;
       try {
@@ -186,13 +186,13 @@ export async function comparePairReserve(height: number, em: EntityManager): Pro
       }
       const lpAmount = poolInfo.total_share
       if (pd.token0Reserve !== token0Amount) {
-        throw new Error(`pool ${pd.pair} different token_0_reserve ${pd.token0Reserve} ${token0Amount}`)
+        throw new Error(`pool ${pd.pair} different token_0(${pd.token0}) actual(${pd.token0Reserve}) expected(${token0Amount}) at height ${height}`)
       }
       if (pd.token1Reserve !== token1Amount) {
-        throw new Error(`pool ${pd.pair} different token_1_reserve ${pd.token1Reserve} ${token1Amount}`)
+        throw new Error(`pool ${pd.pair} different token_1(${pd.token1}) actual(${pd.token1Reserve}) expected(${token1Amount}) at height ${height}`)
       }
       if (pd.totalLpTokenShare !== lpAmount) {
-        throw new Error(`pool ${pd.pair} different lp ${pd.totalLpTokenShare} ${lpAmount}`)
+        throw new Error(`pool ${pd.pair} different lp actual(${pd.totalLpTokenShare}) expected(${lpAmount}) at height ${height}`)
       }
       return pd
     })

diff --git a/src/collector/log-finder/nonnativeTransferLF.ts b/src/collector/log-finder/nonnativeTransferLF.ts
@@ -1,9 +1,9 @@
 import { Attributes, createReturningLogFinder, ReturningLogFinderMapper } from '@terra-money/log-finder'
 import { NonnativeTransferTransformed } from 'types'
 import logRules from './log-rules'
-import { num } from 'lib/num'
+import { BigNumber, num } from 'lib/num'
 import { isClassic, isColumbus4 } from 'lib/terra'
-import { ClassicReceiverFeeAppliedTokenSet, ClassicReceiverFeeAppliedPairSet } from 'lib/terraswap/classic.consts'
+import { ClassicReceiverFeeAppliedTokenSet, ClassicReceiverFeeAppliedPairSet, ClassicOddTokenHandlerMap } from 'lib/terraswap/classic.consts'
 
 
 const FEE_AMOUNT_KEY = 'fee_amount'
@@ -38,6 +38,14 @@ function createClassicLogFinder(height?: number) {
       transformed.assets.amount = num(transformed.assets.amount).plus(num(feeAmount)).toString()
     }
 
+    const oddTokenHandlingInfo = ClassicOddTokenHandlerMap.get(transformed.assets.token)
+    if (
+      oddTokenHandlingInfo?.action(match?.find(m => m.key === "action")?.value) &&
+      height && height >= oddTokenHandlingInfo?.appliedHeight
+    ) {
+      transformed.assets.amount = num(transformed.assets.amount).multipliedBy(num("1").minus(num(oddTokenHandlingInfo.feeRate))).integerValue(BigNumber.ROUND_FLOOR).toString()
+    }
+
     return transformed
   })
 }

diff --git a/src/lib/terraswap/classic.consts.ts b/src/lib/terraswap/classic.consts.ts
@@ -1,10 +1,24 @@
 export const ClassicReceiverFeeAppliedTokenSet: Set<string> = new Set([
-"terra1zkhwtm4a559emekwj7z4vklzqupgjyad8ncpwvav38y5ef6g5tjse7ceus",
-"terra1naaldj58aerjvqzulrnfpeph60pjqlyp60gqryup8g4djy4cn4nqwm08c3"
+    "terra1zkhwtm4a559emekwj7z4vklzqupgjyad8ncpwvav38y5ef6g5tjse7ceus",
+    "terra1naaldj58aerjvqzulrnfpeph60pjqlyp60gqryup8g4djy4cn4nqwm08c3"
 ])
 
 export const ClassicReceiverFeeAppliedPairSet: Set<string> = new Set([
     "terra15ukfg2wy9xd4g8hd5nl2rdyn7arlwk4l9u6kalwmg0pew5pjlpgskydg2a",
     "terra1anwgp97zfn6zsz9t5vgtan4s09n24khx0twu3a550m4dsxj699pq8mg5yz",
     "terra17tq86waugtxrupjp3yz2fran6ghfcsdt35j257dk7tznljlkm9rq49j7ap"
 ])
+
+interface OddTokenHandlingInfo {
+    feeRate: string
+    appliedHeight: number
+    action: (a: string)=> boolean
+}
+
+const CLASSIC_BASE_TOKEN = "terra1uewxz67jhhhs2tj97pfm2egtk7zqxuhenm4y4m"
+const APPLIED_HEIGHT = 16746830
+export const ClassicOddTokenHandlerMap: Map<string, OddTokenHandlingInfo> = new Map([[CLASSIC_BASE_TOKEN, {
+    feeRate: "0.048",
+    appliedHeight: APPLIED_HEIGHT,
+    action: (a: string) => a === "send"
+}]])