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unichain v2 subgraph
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mzywang committed Feb 5, 2025
1 parent 9d8a918 commit efb9c79
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Showing 3 changed files with 32 additions and 55 deletions.
2 changes: 1 addition & 1 deletion src/mappings/helpers.ts
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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77 changes: 27 additions & 50 deletions src/mappings/pricing.ts
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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.
Expand All @@ -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]))
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8 changes: 4 additions & 4 deletions subgraph.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -34,7 +34,7 @@ dataSources:
templates:
- kind: ethereum/contract
name: Pair
network: mainnet
network: unichain-mainnet
source:
abi: Pair
mapping:
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