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* Added minSellPrice and maxBuyPrice to setPrices hardhat task setPrice Hardhat task can now be done off Curve pool * Added setPrices Action * Fix smoke test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| const { Defender } = require("@openzeppelin/defender-sdk"); | ||
| const { ethers } = require("ethers"); | ||
|
|
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| const { setPrices } = require("../tasks/lidoPrices"); | ||
| const { mainnet } = require("../utils/addresses"); | ||
| const lidoARMAbi = require("../../abis/LidoARM.json"); | ||
|
|
||
| // Entrypoint for the Defender Action | ||
| const handler = async (event) => { | ||
| // Initialize defender relayer provider and signer | ||
| const client = new Defender(event); | ||
| const provider = client.relaySigner.getProvider({ ethersVersion: "v6" }); | ||
| const signer = await client.relaySigner.getSigner(provider, { | ||
| speed: "fastest", | ||
| ethersVersion: "v6", | ||
| }); | ||
|
|
||
| console.log( | ||
| `DEBUG env var in handler before being set: "${process.env.DEBUG}"` | ||
| ); | ||
|
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| // References to contracts | ||
| const arm = new ethers.Contract(mainnet.lidoARM, lidoARMAbi, signer); | ||
|
|
||
| try { | ||
| await setPrices({ | ||
| signer, | ||
| arm, | ||
| curve: true, | ||
| amount: 50, | ||
| tolerance: 0.2, | ||
| maxBuyPrice: 0.9997, | ||
| minSellPrice: 0.9999, | ||
| fee: 1, | ||
| blockTag: "latest", | ||
| }); | ||
| } catch (error) { | ||
| console.error(error); | ||
| } | ||
| }; | ||
|
|
||
| module.exports = { handler }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| const { formatUnits, parseUnits } = require("ethers"); | ||
|
|
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| const addresses = require("../utils/addresses"); | ||
|
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| const { abs } = require("../utils/maths"); | ||
| const { get1InchPrices } = require("../utils/1Inch"); | ||
| const { logTxDetails } = require("../utils/txLogger"); | ||
| const { getCurvePrices } = require("../utils/curve"); | ||
|
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| const log = require("../utils/logger")("task:lido"); | ||
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| const setPrices = async (options) => { | ||
| const { | ||
| signer, | ||
| arm, | ||
| fee, | ||
| tolerance, | ||
| buyPrice, | ||
| midPrice, | ||
| sellPrice, | ||
| minSellPrice, | ||
| maxBuyPrice, | ||
| curve, | ||
| inch, | ||
| } = options; | ||
|
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||
| // get current ARM stETH/WETH prices | ||
| const currentSellPrice = parseUnits("1", 72) / (await arm.traderate0()); | ||
| const currentBuyPrice = await arm.traderate1(); | ||
| log(`current sell price : ${formatUnits(currentSellPrice, 36)}`); | ||
| log(`current buy price : ${formatUnits(currentBuyPrice, 36)}`); | ||
|
|
||
| let targetSellPrice; | ||
| let targetBuyPrice; | ||
| if (!buyPrice && !sellPrice && (midPrice || curve || inch)) { | ||
| // get latest 1inch prices if no midPrice is provided | ||
| const referencePrices = midPrice | ||
| ? { | ||
| midPrice: parseUnits(midPrice.toString(), 18), | ||
| } | ||
| : inch | ||
| ? await get1InchPrices(options.amount) | ||
| : await getCurvePrices({ | ||
| ...options, | ||
| poolAddress: addresses.mainnet.CurveStEthPool, | ||
| }); | ||
| log(`mid price : ${formatUnits(referencePrices.midPrice)}`); | ||
|
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||
| const FeeScale = BigInt(1e6); | ||
| const feeRate = FeeScale - BigInt(fee * 100); | ||
| log(`fee : ${formatUnits(BigInt(fee * 1000000), 6)} bps`); | ||
| log(`fee rate : ${formatUnits(feeRate, 6)} bps`); | ||
|
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||
| targetSellPrice = | ||
| (referencePrices.midPrice * BigInt(1e18) * FeeScale) / feeRate; | ||
| targetBuyPrice = | ||
| (referencePrices.midPrice * BigInt(1e18) * feeRate) / FeeScale; | ||
|
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| const minSellPriceBN = parseUnits(minSellPrice.toString(), 36); | ||
| const maxBuyPriceBN = parseUnits(maxBuyPrice.toString(), 36); | ||
| if (targetSellPrice < minSellPriceBN) { | ||
| log( | ||
| `target sell price ${formatUnits( | ||
| targetSellPrice, | ||
| 36 | ||
| )} is below min sell price ${minSellPrice} so will use min` | ||
| ); | ||
| targetSellPrice = minSellPriceBN; | ||
| } | ||
| if (targetBuyPrice > maxBuyPriceBN) { | ||
| log( | ||
| `target buy price ${formatUnits( | ||
| targetBuyPrice, | ||
| 36 | ||
| )} is above max buy price ${maxBuyPrice} so will use max` | ||
| ); | ||
| targetBuyPrice = maxBuyPriceBN; | ||
| } | ||
|
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||
| const crossPrice = await arm.crossPrice(); | ||
| if (targetSellPrice < crossPrice) { | ||
| log( | ||
| `target sell price ${formatUnits( | ||
| targetSellPrice, | ||
| 36 | ||
| )} is below cross price ${formatUnits( | ||
| crossPrice, | ||
| 36 | ||
| )} so will use cross price` | ||
| ); | ||
| targetSellPrice = crossPrice; | ||
| } | ||
| if (targetBuyPrice >= crossPrice) { | ||
| log( | ||
| `target buy price ${formatUnits( | ||
| targetBuyPrice, | ||
| 36 | ||
| )} is above cross price ${formatUnits( | ||
| crossPrice, | ||
| 36 | ||
| )} so will use cross price` | ||
| ); | ||
| targetBuyPrice = crossPrice - 1n; | ||
| } | ||
| } else if (buyPrice && sellPrice) { | ||
| targetSellPrice = parseUnits(sellPrice.toString(), 18) * BigInt(1e18); | ||
| targetBuyPrice = parseUnits(buyPrice.toString(), 18) * BigInt(1e18); | ||
| } else { | ||
| throw new Error( | ||
| `Either both buy and sell prices should be provided or midPrice` | ||
| ); | ||
| } | ||
|
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| log(`target sell price : ${formatUnits(targetSellPrice, 36)}`); | ||
| log(`target buy price : ${formatUnits(targetBuyPrice, 36)}`); | ||
|
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| const diffSellPrice = abs(targetSellPrice - currentSellPrice); | ||
| log(`sell price diff : ${formatUnits(diffSellPrice, 36)}`); | ||
| const diffBuyPrice = abs(targetBuyPrice - currentBuyPrice); | ||
| log(`buy price diff : ${formatUnits(diffBuyPrice, 36)}`); | ||
|
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| // tolerance option is in basis points | ||
| const toleranceScaled = parseUnits(tolerance.toString(), 36 - 4); | ||
| log(`tolerance : ${formatUnits(toleranceScaled, 36)}`); | ||
|
|
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| // decide if rates need to be updated | ||
| if (diffSellPrice > toleranceScaled || diffBuyPrice > toleranceScaled) { | ||
| console.log(`About to update ARM prices`); | ||
| console.log(`sell: ${formatUnits(targetSellPrice, 36)}`); | ||
| console.log(`buy : ${formatUnits(targetBuyPrice, 36)}`); | ||
|
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| const tx = await arm | ||
| .connect(signer) | ||
| .setPrices(targetBuyPrice, targetSellPrice); | ||
|
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| await logTxDetails(tx, "setPrices", options.confirm); | ||
| } else { | ||
| console.log( | ||
| `No price update as price diff of buy ${formatUnits( | ||
| diffBuyPrice, | ||
| 32 | ||
| )} and sell ${formatUnits(diffSellPrice, 32)} < tolerance ${formatUnits( | ||
| toleranceScaled, | ||
| 32 | ||
| )} basis points` | ||
| ); | ||
| } | ||
| }; | ||
|
|
||
| module.exports = { | ||
| setPrices, | ||
| }; |
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