import SwapRouter from 0xa6850776a94e6551 import FlowToken from 0x1654653399040a61 import FiatToken from 0xb19436aae4d94622 import FlowSwapPair from 0xc6c77b9f5c7a378f import UsdcUsdtSwapPair from 0x9c6f94adf47904b5 import SwapInterfaces from 0xb78ef7afa52ff906 import SwapConfig from 0xb78ef7afa52ff906 transaction() { prepare(userAccount: AuthAccount) { let pairInfo = getAccount(0xfa82796435e15832).getCapability<&{SwapInterfaces.PairPublic}>(/public/increment_swap_pair).borrow()!.getPairInfo();let I_1 = SwapConfig.UFix64ToScaledUInt256(pairInfo[2] as! UFix64);let I_2 = SwapConfig.UFix64ToScaledUInt256(pairInfo[3] as! UFix64);let B_1 = SwapConfig.UFix64ToScaledUInt256(FlowSwapPair.getPoolAmounts().token1Amount);let B_2 = SwapConfig.UFix64ToScaledUInt256(FlowSwapPair.getPoolAmounts().token2Amount);var I1 = I_1;var I2 = I_2;var B1 = B_1;var B2 = B_2;let scale: UInt256 = 1_000_000_000_000_000_000;let scalesqr: UInt256 = 1_000_000_000;var I1B2: UInt256 = I1*B2/scale;var I2B1: UInt256 = I2*B1/scale;var plat = 1 if (I1B2 > I2B1) {plat = 3;var t=I1;I1=B1;B1=t;t=I2;I2=B2;B2=t;t=I1B2;I1B2=I2B1;I2B1=t;} let I1B2sqr: UInt256 = SwapConfig.sqrt(I1B2);let I2B1sqr: UInt256 = SwapConfig.sqrt(I2B1);let fee: UInt256 = 997000000000000000;let feefee: UInt256 = 994009000000000000; let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2; let f2 = fee * B2 / scale + feefee*I2/scale;let res = f1*scale/f2; let total: UFix64 = SwapConfig.ScaledUInt256ToUFix64(res) - 0.2 let flowTokenVault = userAccount.borrow<&FlowToken.Vault>(from: /storage/flowTokenVault)! let wallet = flowTokenVault.balance - 0.1;var cur = (wallet < total)? wallet:total;var left = total;var earn = 0.0;var index = 0 while (cur > 0.0 && index < 8) { if (plat == 1) { let exactVaultIn <- flowTokenVault.withdraw(amount: cur);let token0Vault <- SwapRouter.swapWithPath(vaultIn: <- exactVaultIn, tokenKeyPath: ["A.1654653399040a61.FlowToken", "A.b19436aae4d94622.FiatToken"],exactAmounts: nil) let token1Vault <- UsdcUsdtSwapPair.swapToken1ForToken2(from: <- (token0Vault as! @FiatToken.Vault));let vaultOut <- FlowSwapPair.swapToken2ForToken1(from: <- token1Vault);earn = earn + vaultOut.balance - cur;flowTokenVault.deposit(from: <- vaultOut) } else { let token0Vault <- flowTokenVault.withdraw(amount: cur) as! @FlowToken.Vault;let token1Vault <- FlowSwapPair.swapToken1ForToken2(from: <- token0Vault);let token2Vault <- UsdcUsdtSwapPair.swapToken2ForToken1(from: <- token1Vault) let vaultOut <- SwapRouter.swapWithPath(vaultIn: <- token2Vault,tokenKeyPath: ["A.b19436aae4d94622.FiatToken", "A.1654653399040a61.FlowToken"],exactAmounts: nil);earn = earn + vaultOut.balance - cur;flowTokenVault.deposit(from: <-vaultOut) } left = left - cur;cur = (wallet < left)? wallet:left;index = index + 1 } assert(earn > 0.0001, message: "fail") } }

Transaction

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