Prepare exchange subgraph for Aurora network

.gitignore

@@ -60,6 +60,7 @@ typings/
 # next.js build output
 .next
 
+.idea
 .vscode
 .DS_Store
 

config/aurora.json

@@ -0,0 +1,26 @@
+{
+ "key": "aurora",
+ "network": "aurora",
+ "factory_address": "0xc66f594268041db60507f00703b152492fb176e7",
+ "usdc_weth_pair": "0x20f8aefb5697b77e0bb835a8518be70775cda1b0",
+ "usdt_weth_pair": "0x03b666f3488a7992b2385b12df7f35156d7b29cd",
+ "sushi_address": "0xfa94348467f64d5a457f75f8bc40495d33c65abb",
+ "weth_address": "0xc9bdeed33cd01541e1eed10f90519d2c06fe3feb",
+ "native_address": "0xc42c30ac6cc15fac9bd938618bcaa1a1fae8501d",
+ "usdc_address": "0xb12bfca5a55806aaf64e99521918a4bf0fc40802",
+ "usdt_address": "0x4988a896b1227218e4a686fde5eabdcabd91571f",
+ "whitelist": [
+ "0xc42c30ac6cc15fac9bd938618bcaa1a1fae8501d",
+ "0xfa94348467f64d5a457f75f8bc40495d33c65abb",
+ "0xc9bdeed33cd01541e1eed10f90519d2c06fe3feb",
+ "0xb12bfca5a55806aaf64e99521918a4bf0fc40802",
+ "0xe3520349f477a5f6eb06107066048508498a291b",
+ "0x4988a896b1227218e4a686fde5eabdcabd91571f"
+ ],
+ "factory": {
+ "address": "0xc66f594268041db60507f00703b152492fb176e7",
+ "startBlock": "51600000"
+ },
+ "minimum_usd_threshold_new_pairs": "1000",
+ "minimum_liquidity_threshold_eth": "1"
+}

packages/constants/index.template.ts

@@ -10,6 +10,8 @@ export const BIG_DECIMAL_1E12 = BigDecimal.fromString('1e12')
 
 export const BIG_DECIMAL_1E18 = BigDecimal.fromString('1e18')
 
+export const BIG_DECIMAL_1E24 = BigDecimal.fromString('1e24')
+
 export const BIG_DECIMAL_ZERO = BigDecimal.fromString('0')
 
 export const BIG_DECIMAL_ONE = BigDecimal.fromString('1')
@@ -54,6 +56,8 @@ export const PAIR_BORROW = 'borrow'
 
 export const PAIR_REPAY = 'repay'
 
+export const NETWORK = '{{ network }}{{^network}}mainnet{{/network}}'
+
 export const FACTORY_ADDRESS = Address.fromString(
  '{{ factory_address }}{{^factory_address}}0x0000000000000000000000000000000000000000{{/factory_address}}'
 )

packages/constants/package.json

@@ -21,6 +21,7 @@
  "prepare:harmony": "mustache ../../config/harmony.json index.template.ts > index.ts",
  "prepare:celo": "mustache ../../config/celo.json index.template.ts > index.ts",
  "prepare:avalanche": "mustache ../../config/avalanche.json index.template.ts > index.ts",
+ "prepare:aurora": "mustache ../../config/aurora.json index.template.ts > index.ts",
  "prepare:arbitrum": "mustache ../../config/arbitrum.json index.template.ts > index.ts",
  "prepare:palm": "mustache ../../config/palm.json index.template.ts > index.ts",
  "prepare:heco": "mustache ../../config/heco.json index.template.ts > index.ts",

subgraphs/exchange/package.json

@@ -1,7 +1,7 @@
 {
  "name": "exchange",
  "license": "MIT",
- "version": "1.2.0",
+ "version": "1.2.1",
  "author": "SushiSwap",
  "files": [
  "generated"
@@ -21,6 +21,7 @@
  "deploy:arbitrum": "graph deploy --product hosted-service matthewlilley/arbitrum-exchange",
  "deploy:fuse": "graph deploy --product hosted-service sushiswap/fuse-exchange",
  "deploy:avalanche": "graph deploy --product hosted-service sushiswap/avalanche-exchange",
+ "deploy:aurora": "graph deploy --product hosted-service sushiswap/aurora-exchange",
  "deploy:matic": "graph deploy --product hosted-service sushiswap/matic-exchange",
  "deploy:celo": "graph deploy --product hosted-service sushiswap/celo-exchange",
  "deploy:moonriver": "graph deploy --node https://api.thegraph.com/deploy/ --ipfs https://api.thegraph.com/ipfs/ sushiswap/moonriver-exchange subgraph.yaml",
@@ -41,6 +42,7 @@
  "prepare:celo": "mustache ../../config/celo.json template.yaml > subgraph.yaml",
  "prepare:moonriver": "mustache ../../config/moonriver.json template.yaml > subgraph.yaml",
  "prepare:avalanche": "mustache ../../config/avalanche.json template.yaml > subgraph.yaml",
+ "prepare:aurora": "mustache ../../config/aurora.json template.yaml > subgraph.yaml",
  "prepare:palm": "mustache ../../config/palm.json template.yaml > subgraph.yaml",
  "prepare:heco": "mustache ../../config/heco.json template.yaml > subgraph.yaml",
  "prepare:fuse": "mustache ../../config/fuse.json template.yaml > subgraph.yaml",

subgraphs/exchange/src/mappings/factory.ts

@@ -1,11 +1,40 @@
 import { getFactory, getPair } from '../enitites'
 
-import { BIG_INT_ONE } from 'const'
+import { BIG_INT_ONE, USDC_WETH_PAIR, USDT_WETH_PAIR, NETWORK } from 'const'
+import { Address, log } from '@graphprotocol/graph-ts'
 import { PairCreated } from '../../generated/Factory/Factory'
 import { Pair as PairTemplate } from '../../generated/templates'
+import { Pair } from '../../generated/schema'
 
 export function onPairCreated(event: PairCreated): void {
  const factory = getFactory()
+ /**
+ * Note. The following condition is only for the Aurora network for main pairs.
+ * Because the current subgraph is created and subscribes to listen for the events
+ * of the pairs that were created in the selected factory with the special event of the created pair.
+ * In the Aurora network at the Trisolaris factory, thegraph cannot find this event,
+ * it can no longer be subscribed to, we have created a condition for creating and
+ * subscribing to the USDC and USDT pair if it has not been created before."
+ */
+ if (NETWORK === 'aurora') {
+ let usdcPair = Pair.load(USDC_WETH_PAIR)
+ let usdtPair = Pair.load(USDT_WETH_PAIR)
+
+ if (usdcPair === null) {
+ usdcPair = getPair(Address.fromString(USDC_WETH_PAIR), event.block)
+ log.warning("USDC save", [])
+ usdcPair.save()
+ PairTemplate.create(Address.fromString(USDC_WETH_PAIR))
+ factory.pairCount = factory.pairCount.plus(BIG_INT_ONE)
+ }
+ if (usdtPair === null) {
+ usdtPair = getPair(Address.fromString(USDT_WETH_PAIR), event.block)
+ log.warning("USDT save", [])
+ usdtPair.save()
+ PairTemplate.create(Address.fromString(USDT_WETH_PAIR))
+ factory.pairCount = factory.pairCount.plus(BIG_INT_ONE)
+ }
+ }
 
  const pair = getPair(event.params.pair, event.block, event.params.token0, event.params.token1)
 

subgraphs/exchange/template.yaml

@@ -62,6 +62,12 @@ templates:
  file: ../../node_modules/@sushiswap/core/build/abi/UniswapV2Pair.json
  - name: Factory
  file: ../../node_modules/@sushiswap/core/build/abi/UniswapV2Factory.json
+ - name: ERC20
+ file: ../../node_modules/@sushiswap/core/build/abi/ERC20.json
+ - name: ERC20SymbolBytes
+ file: ../../packages/abis/ERC20SymbolBytes.json
+ - name: ERC20NameBytes
+ file: ../../packages/abis/ERC20NameBytes.json
  eventHandlers:
  - event: Mint(indexed address,uint256,uint256)
  handler: onMint