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import { SimpleAdapter } from "../../adapters/types"; | ||
import { CHAIN } from "../../helpers/chains"; | ||
import * as sdk from "@defillama/sdk"; | ||
import { getBlock } from "../../helpers/getBlock"; | ||
import { getPrices } from "../../utils/prices"; | ||
import BigNumber from "bignumber.js"; | ||
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interface ILog { | ||
data: string; | ||
transactionHash: string; | ||
} | ||
interface IAmount { | ||
amount0In: string; | ||
amount1In: string; | ||
amount0Out: string; | ||
amount1Out: string; | ||
} | ||
const topic_name = 'Swap(index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)'; | ||
const topic0 = '0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822'; | ||
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const factories = { | ||
kava: '0x01f43d2a7f4554468f77e06757e707150e39130c', | ||
///zkevm: tbd | ||
} | ||
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type TABI = { | ||
[k: string]: object; | ||
} | ||
const ABIs: TABI = { | ||
allPairsLength: { | ||
"type": "function", | ||
"stateMutability": "view", | ||
"outputs": [ | ||
{ | ||
"type": "uint256", | ||
"name": "", | ||
"internalType": "uint256" | ||
} | ||
], | ||
"name": "allPairsLength", | ||
"inputs": [] | ||
}, | ||
allPairs: { | ||
"type": "function", | ||
"stateMutability": "view", | ||
"outputs": [ | ||
{ | ||
"internalType": "address", | ||
"name": "", | ||
"type": "address" | ||
} | ||
], | ||
"inputs": [ | ||
{ | ||
"type": "uint256", | ||
"name": "", | ||
"internalType": "uint256" | ||
} | ||
], | ||
"name": "allPairs", | ||
} | ||
}; | ||
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const PAIR_TOKEN_ABI = (token: string): object => { | ||
return { | ||
"constant": true, | ||
"inputs": [], | ||
"name": token, | ||
"outputs": [ | ||
{ | ||
"internalType": "address", | ||
"name": "", | ||
"type": "address" | ||
} | ||
], | ||
"payable": false, | ||
"stateMutability": "view", | ||
"type": "function" | ||
} | ||
}; | ||
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const fetch = async (timestamp: number, _chain: Chain) => { | ||
const fromTimestamp = timestamp - 60 * 60 * 24 | ||
const toTimestamp = timestamp | ||
try { | ||
const poolLength = (await sdk.api.abi.call({ | ||
target: factories.kava, | ||
chain: _chain, | ||
abi: ABIs.allPairsLength, | ||
})).output; | ||
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const poolsRes = await sdk.api.abi.multiCall({ | ||
abi: ABIs.allPairs, | ||
calls: Array.from(Array(Number(poolLength)).keys()).map((i) => ({ | ||
target: factories.kava, | ||
params: i, | ||
})), | ||
chain: 'kava' | ||
}); | ||
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const lpTokens = poolsRes.output | ||
.map(({ output }: any) => output); | ||
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const [underlyingToken0, underlyingToken1] = await Promise.all( | ||
['token0', 'token1'].map((method) => | ||
sdk.api.abi.multiCall({ | ||
abi: PAIR_TOKEN_ABI(method), | ||
calls: lpTokens.map((address: string) => ({ | ||
target: address, | ||
})), | ||
chain: _chain | ||
}) | ||
) | ||
); | ||
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const tokens0 = underlyingToken0.output.map((res: any) => res.output); | ||
const tokens1 = underlyingToken1.output.map((res: any) => res.output); | ||
const fromBlock = (await getBlock(fromTimestamp, 'kava', {})); | ||
const toBlock = (await getBlock(toTimestamp, 'kava', {})); | ||
const logs: ILog[][] = (await Promise.all(lpTokens.map((address: string) => sdk.api.util.getLogs({ | ||
target: address, | ||
topic: topic_name, | ||
toBlock: toBlock, | ||
fromBlock: fromBlock, | ||
keys: [], | ||
chain: _chain, | ||
topics: [topic0] | ||
})))) | ||
.map((p: any) => p) | ||
.map((a: any) => a.output); | ||
const rawCoins = [...tokens0, ...tokens1].map((e: string) => `kava:${e}`); | ||
const coins = [...new Set(rawCoins)] | ||
const prices = await getPrices(coins, timestamp); | ||
const untrackVolumes: number[] = lpTokens.map((_: string, index: number) => { | ||
const log: IAmount[] = logs[index] | ||
.map((e: ILog) => { return { ...e, data: e.data.replace('0x', '') } }) | ||
.map((p: ILog) => { | ||
BigNumber.config({ POW_PRECISION: 100 }); | ||
const amount0In = new BigNumber('0x' + p.data.slice(0, 64)).toString(); | ||
const amount1In = new BigNumber('0x' + p.data.slice(64, 128)).toString(); | ||
const amount0Out = new BigNumber('0x' + p.data.slice(128, 192)).toString(); | ||
const amount1Out = new BigNumber('0x' + p.data.slice(192, 256)).toString(); | ||
return { | ||
amount0In, | ||
amount1In, | ||
amount0Out, | ||
amount1Out, | ||
} as IAmount | ||
}) as IAmount[]; | ||
const token0Price = (prices[`kava:${tokens0[index]}`]?.price || 0); | ||
const token1Price = (prices[`kava:${tokens1[index]}`]?.price || 0); | ||
const token0Decimals = (prices[`kava:${tokens0[index]}`]?.decimals || 0) | ||
const token1Decimals = (prices[`kava:${tokens1[index]}`]?.decimals || 0) | ||
const totalAmount0 = log | ||
.reduce((a: number, b: IAmount) => Number(b.amount0In) + Number(b.amount0Out) + a, 0) / 10 ** token0Decimals * token0Price; | ||
const totalAmount1 = log | ||
.reduce((a: number, b: IAmount) => Number(b.amount1In) + Number(b.amount1Out) + a, 0) / 10 ** token1Decimals * token1Price; | ||
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const untrackAmountUSD = token0Price !== 0 ? totalAmount0 : token1Price !== 0 ? totalAmount1 : 0; // counted only we have price data | ||
return untrackAmountUSD; | ||
}); | ||
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const dailyVolume = untrackVolumes.reduce((a: number, b: number) => a + b, 0); | ||
return { | ||
dailyVolume: `${dailyVolume}`, | ||
timestamp, | ||
}; | ||
} catch(error) { | ||
console.error(error); | ||
throw error; | ||
} | ||
} | ||
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const adapter: SimpleAdapter = { | ||
adapter: { | ||
[CHAIN.KAVA]: { | ||
fetch, | ||
start: async () => 1675000000, | ||
}, | ||
} | ||
}; | ||
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export default adapter; |