From efb9c79dea928dd06bef81ff62827880efbd3893 Mon Sep 17 00:00:00 2001
From: Michael Wang <44713145+mzywang@users.noreply.github.com>
Date: Wed, 5 Feb 2025 08:55:59 -0500
Subject: [PATCH] unichain v2 subgraph

---
 src/mappings/helpers.ts |  2 +-
 src/mappings/pricing.ts | 77 +++++++++++++++--------------------------
 subgraph.yaml           |  8 ++---
 3 files changed, 32 insertions(+), 55 deletions(-)

diff --git a/src/mappings/helpers.ts b/src/mappings/helpers.ts
index adda9eb6..0e0b8e19 100644
--- a/src/mappings/helpers.ts
+++ b/src/mappings/helpers.ts
@@ -9,7 +9,7 @@ import { Factory as FactoryContract } from '../types/templates/Pair/Factory'
 import { TokenDefinition } from './tokenDefinition'
 
 export const ADDRESS_ZERO = '0x0000000000000000000000000000000000000000'
-export const FACTORY_ADDRESS = '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f'
+export const FACTORY_ADDRESS = '0x1f98400000000000000000000000000000000002'
 
 export let ZERO_BI = BigInt.fromI32(0)
 export let ONE_BI = BigInt.fromI32(1)
diff --git a/src/mappings/pricing.ts b/src/mappings/pricing.ts
index c49b32f8..fa9c0ead 100644
--- a/src/mappings/pricing.ts
+++ b/src/mappings/pricing.ts
@@ -4,35 +4,12 @@ import { Address, BigDecimal, BigInt } from '@graphprotocol/graph-ts/index'
 import { Bundle, Pair, Token } from '../types/schema'
 import { ADDRESS_ZERO, factoryContract, ONE_BD, UNTRACKED_PAIRS, ZERO_BD } from './helpers'
 
-const WETH_ADDRESS = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'
-const USDC_WETH_PAIR = '0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc' // created 10008355
-const DAI_WETH_PAIR = '0xa478c2975ab1ea89e8196811f51a7b7ade33eb11' // created block 10042267
-const USDT_WETH_PAIR = '0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852' // created block 10093341
+const WETH_ADDRESS = '0x4200000000000000000000000000000000000006'
+const USDC_WETH_PAIR = '0x8cbf356ecf5ae7035583543479996250178527f4'
 
 export function getEthPriceInUSD(): BigDecimal {
-  // fetch eth prices for each stablecoin
-  let daiPair = Pair.load(DAI_WETH_PAIR) // dai is token0
-  let usdcPair = Pair.load(USDC_WETH_PAIR) // usdc is token0
-  let usdtPair = Pair.load(USDT_WETH_PAIR) // usdt is token1
-
-  // all 3 have been created
-  if (daiPair !== null && usdcPair !== null && usdtPair !== null) {
-    let totalLiquidityETH = daiPair.reserve1.plus(usdcPair.reserve1).plus(usdtPair.reserve0)
-    let daiWeight = daiPair.reserve1.div(totalLiquidityETH)
-    let usdcWeight = usdcPair.reserve1.div(totalLiquidityETH)
-    let usdtWeight = usdtPair.reserve0.div(totalLiquidityETH)
-    return daiPair.token0Price
-      .times(daiWeight)
-      .plus(usdcPair.token0Price.times(usdcWeight))
-      .plus(usdtPair.token1Price.times(usdtWeight))
-    // dai and USDC have been created
-  } else if (daiPair !== null && usdcPair !== null) {
-    let totalLiquidityETH = daiPair.reserve1.plus(usdcPair.reserve1)
-    let daiWeight = daiPair.reserve1.div(totalLiquidityETH)
-    let usdcWeight = usdcPair.reserve1.div(totalLiquidityETH)
-    return daiPair.token0Price.times(daiWeight).plus(usdcPair.token0Price.times(usdcWeight))
-    // USDC is the only pair so far
-  } else if (usdcPair !== null) {
+  let usdcPair = Pair.load(USDC_WETH_PAIR) // usdc is token 0  
+  if (usdcPair !== null) {
     return usdcPair.token0Price
   } else {
     return ZERO_BD
@@ -41,34 +18,28 @@ export function getEthPriceInUSD(): BigDecimal {
 
 // token where amounts should contribute to tracked volume and liquidity
 let WHITELIST: string[] = [
-  '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', // WETH
-  '0x6b175474e89094c44da98b954eedeac495271d0f', // DAI
-  '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', // USDC
-  '0xdac17f958d2ee523a2206206994597c13d831ec7', // USDT
-  '0x0000000000085d4780b73119b644ae5ecd22b376', // TUSD
-  '0x5d3a536e4d6dbd6114cc1ead35777bab948e3643', // cDAI
-  '0x39aa39c021dfbae8fac545936693ac917d5e7563', // cUSDC
-  '0x86fadb80d8d2cff3c3680819e4da99c10232ba0f', // EBASE
-  '0x57ab1ec28d129707052df4df418d58a2d46d5f51', // sUSD
-  '0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2', // MKR
-  '0xc00e94cb662c3520282e6f5717214004a7f26888', // COMP
-  '0x514910771af9ca656af840dff83e8264ecf986ca', //LINK
-  '0x960b236a07cf122663c4303350609a66a7b288c0', //ANT
-  '0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f', //SNX
-  '0x0bc529c00c6401aef6d220be8c6ea1667f6ad93e', //YFI
-  '0xdf5e0e81dff6faf3a7e52ba697820c5e32d806a8', // yCurv
-  '0x853d955acef822db058eb8505911ed77f175b99e', // FRAX
-  '0xa47c8bf37f92abed4a126bda807a7b7498661acd', // WUST
-  '0x1f9840a85d5af5bf1d1762f925bdaddc4201f984', // UNI
-  '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599', // WBTC
-  '0x956f47f50a910163d8bf957cf5846d573e7f87ca', // FEI
+  '0x20cab320a855b39f724131c69424240519573f81',// dai
+  '0x4200000000000000000000000000000000000006',// weth
+  '0x8f187aa05619a017077f5308904739877ce9ea21', // uniswap
+]
+
+let STABLECOINS: string[] = [
+  '0x20cab320a855b39f724131c69424240519573f81',// dai
 ]
 
 // minimum liquidity required to count towards tracked volume for pairs with small # of Lps
-let MINIMUM_USD_THRESHOLD_NEW_PAIRS = BigDecimal.fromString('400000')
+let MINIMUM_USD_THRESHOLD_NEW_PAIRS = BigDecimal.fromString('10000')
 
 // minimum liquidity for price to get tracked
-let MINIMUM_LIQUIDITY_THRESHOLD_ETH = BigDecimal.fromString('2')
+let MINIMUM_LIQUIDITY_THRESHOLD_ETH = BigDecimal.fromString('1')
+
+export function safeDiv(amount0: BigDecimal, amount1: BigDecimal): BigDecimal {
+  if (amount1.equals(ZERO_BD)) {
+    return ZERO_BD
+  } else {
+    return amount0.div(amount1)
+  }
+}
 
 /**
  * Search through graph to find derived Eth per token.
@@ -78,6 +49,12 @@ export function findEthPerToken(token: Token): BigDecimal {
   if (token.id == WETH_ADDRESS) {
     return ONE_BD
   }
+
+  if (STABLECOINS.includes(token.id)) {
+    const bundle = Bundle.load('1')!
+    return safeDiv(ONE_BD, bundle.ethPrice)
+  }
+
   // loop through whitelist and check if paired with any
   for (let i = 0; i < WHITELIST.length; ++i) {
     let pairAddress = factoryContract.getPair(Address.fromString(token.id), Address.fromString(WHITELIST[i]))
diff --git a/subgraph.yaml b/subgraph.yaml
index fa437318..b6efc00e 100644
--- a/subgraph.yaml
+++ b/subgraph.yaml
@@ -6,11 +6,11 @@ schema:
 dataSources:
   - kind: ethereum/contract
     name: Factory
-    network: mainnet
+    network: unichain-mainnet
     source:
-      address: '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f'
+      address: '0x1f98400000000000000000000000000000000002'
       abi: Factory
-      startBlock: 10000834
+      startBlock: 0 
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -34,7 +34,7 @@ dataSources:
 templates:
   - kind: ethereum/contract
     name: Pair
-    network: mainnet
+    network: unichain-mainnet
     source:
       abi: Pair
     mapping: