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Merge pull request #33 from LufyCZ/master
Add dexcandles subgraph
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import { BigInt, Bytes } from '@graphprotocol/graph-ts' | ||
| import { concat } from '@graphprotocol/graph-ts/helper-functions' | ||
| import { Swap } from '../generated/templates/Pair/Pair' | ||
| import { PairCreated } from '../generated/Factory/Factory' | ||
| import { Pair as PairTemplate } from '../generated/templates' | ||
| import { Pair, Candle } from '../generated/schema' | ||
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|
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| export function handleNewPair(event: PairCreated): void { | ||
| let pair = new Pair(event.params.pair.toHex()); | ||
| pair.token0 = event.params.token0; | ||
| pair.token1 = event.params.token1; | ||
| pair.save(); | ||
|
|
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| PairTemplate.create(event.params.pair) | ||
| } | ||
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| export function handleSwap(event: Swap): void { | ||
| let token0Amount: BigInt = event.params.amount0In.minus(event.params.amount0Out).abs(); | ||
| let token1Amount: BigInt = event.params.amount1Out.minus(event.params.amount1In).abs(); | ||
| if (token0Amount.isZero() || token1Amount.isZero()) { | ||
| return; | ||
| } | ||
|
|
||
| let pair = Pair.load(event.address.toHex()); | ||
| let price = token0Amount.divDecimal(token1Amount.toBigDecimal()); | ||
| let tokens = concat(pair.token0, pair.token1); | ||
| let timestamp = event.block.timestamp.toI32(); | ||
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|
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| let periods: i32[] = [5*60, 15*60, 60*60, 4*60*60, 24*60*60, 7*24*60*60]; | ||
| for (let i = 0; i < periods.length; i++) { | ||
| let time_id = timestamp / periods[i]; | ||
| let candle_id = concat(concat(Bytes.fromI32(time_id), Bytes.fromI32(periods[i])), tokens).toHex(); | ||
| let candle = Candle.load(candle_id); | ||
| if (candle === null) { | ||
| candle = new Candle(candle_id); | ||
| candle.time = timestamp; | ||
| candle.period = periods[i]; | ||
| candle.token0 = pair.token0; | ||
| candle.token1 = pair.token1; | ||
| candle.open = price; | ||
| candle.low = price; | ||
| candle.high = price; | ||
| candle.token0TotalAmount = BigInt.fromI32(0); | ||
| candle.token1TotalAmount = BigInt.fromI32(0); | ||
| } | ||
| else { | ||
| if (price < candle.low) { | ||
| candle.low = price; | ||
| } | ||
| if (price > candle.high) { | ||
| candle.high = price; | ||
| } | ||
| } | ||
|
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| candle.close = price; | ||
| candle.lastBlock = event.block.number.toI32(); | ||
| candle.token0TotalAmount = candle.token0TotalAmount.plus(token0Amount); | ||
| candle.token1TotalAmount = candle.token1TotalAmount.plus(token1Amount); | ||
| candle.save(); | ||
| } | ||
| } |
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| type Pair @entity { | ||
| id: ID! # address | ||
| token0: Bytes! | ||
| token1: Bytes! | ||
| } | ||
|
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| type Candle @entity { | ||
| id: ID! # time + period + srcToken + dstToken | ||
| time: Int! | ||
| period: Int! | ||
| lastBlock: Int! | ||
| token0: Bytes! | ||
| token1: Bytes! | ||
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| token0TotalAmount: BigInt! | ||
| token1TotalAmount: BigInt! | ||
| open: BigDecimal! | ||
| close: BigDecimal! | ||
| low: BigDecimal! | ||
| high: BigDecimal! | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| specVersion: 0.0.2 | ||
| description: DEX trades candles (5m/15m/1h/4h/1d/1w) | ||
| repository: https://github.com/sushiswap/sushiswap-subgraph | ||
| schema: | ||
| file: ./dexcandles.graphql | ||
| dataSources: | ||
| - kind: ethereum/contract | ||
| name: Factory | ||
| network: mainnet | ||
| source: | ||
| address: '0xC0AEe478e3658e2610c5F7A4A2E1777cE9e4f2Ac' | ||
| abi: Factory | ||
| startBlock: 10000834 | ||
| mapping: | ||
| kind: ethereum/events | ||
| apiVersion: 0.0.3 | ||
| language: wasm/assemblyscript | ||
| file: ../src/dexcandles.ts | ||
| entities: | ||
| - Pair | ||
| abis: | ||
| - name: Factory | ||
| file: ../node_modules/@sushiswap/core/build/contracts/UniswapV2Factory.json | ||
| eventHandlers: | ||
| - event: PairCreated(indexed address,indexed address,address,uint256) | ||
| handler: handleNewPair | ||
| templates: | ||
| - kind: ethereum/contract | ||
| name: Pair | ||
| network: mainnet | ||
| source: | ||
| abi: Pair | ||
| mapping: | ||
| kind: ethereum/events | ||
| apiVersion: 0.0.3 | ||
| language: wasm/assemblyscript | ||
| file: ../src/dexcandles.ts | ||
| entities: | ||
| - Pair | ||
| abis: | ||
| - name: Pair | ||
| file: ../node_modules/@sushiswap/core/build/contracts/UniswapV2Pair.json | ||
| eventHandlers: | ||
| - event: Swap(indexed address,uint256,uint256,uint256,uint256,indexed address) | ||
| handler: handleSwap |