import FlowToken from 0x1654653399040a61 import FungibleToken from 0xf233dcee88fe0abe import SwapFactory from 0x5f4da03554851654 import SwapInterfaces from 0x5f4da03554851654 import SwapConfig from 0x5f4da03554851654 import SwapError from 0x5f4da03554851654 import StarVaultFactory from 0x5c6dad1decebccb4 import StarVaultConfig from 0x5c6dad1decebccb4 import StarVaultInterfaces from 0x5c6dad1decebccb4 transaction( vaultId: Int, amount: UFix64 ) { prepare(userAccount: AuthAccount) { let vaultAddress = StarVaultFactory.vault(vaultId: vaultId) let vaultRef = getAccount(vaultAddress).getCapability<&AnyResource{StarVaultInterfaces.VaultPublic}>(StarVaultConfig.VaultPublicPath) .borrow() ?? panic("Vault Reference was not created correctly") let token0Key = StarVaultConfig.SliceTokenTypeIdentifierFromVaultType(vaultTypeIdentifier: Type<@FlowToken.Vault>().identifier) let token1Key = StarVaultConfig.SliceTokenTypeIdentifierFromVaultType(vaultTypeIdentifier: vaultRef.getVaultTokenType().identifier) let pairAddr = SwapFactory.getPairAddress(token0Key: token0Key, token1Key: token1Key) ?? panic("AddLiquidity: nonexistent pair ".concat(token0Key).concat(" <-> ").concat(token1Key).concat(", create pair first")) let pairPublicRef = getAccount(pairAddr).getCapability<&{SwapInterfaces.PairPublic}>(SwapConfig.PairPublicPath).borrow()! let lpTokenCollectionRef = userAccount.borrow<&SwapFactory.LpTokenCollection>(from: SwapConfig.LpTokenCollectionStoragePath)! let lpTokenVault <- lpTokenCollectionRef.withdraw(pairAddr: pairAddr, amount: amount) let tokenVaults <- pairPublicRef.removeLiquidity(lpTokenVault: <-lpTokenVault) let tokenVault0 <- tokenVaults.removeFirst() let tokenVault1 <- tokenVaults.removeFirst() destroy tokenVaults let key0 = StarVaultConfig.SliceTokenTypeIdentifierFromVaultType(vaultTypeIdentifier: tokenVault0.getType().identifier) if key0 == token0Key { userAccount.borrow<&FungibleToken.Vault>(from: /storage/flowTokenVault)!.deposit(from: <-tokenVault0) userAccount.borrow<&StarVaultFactory.VaultTokenCollection>(from: /storage/star_vault_token_collection)!.deposit(vault: vaultAddress, tokenVault: <-tokenVault1) } else { userAccount.borrow<&FungibleToken.Vault>(from: /storage/flowTokenVault)!.deposit(from: <-tokenVault1) userAccount.borrow<&StarVaultFactory.VaultTokenCollection>(from: /storage/star_vault_token_collection)!.deposit(vault: vaultAddress, tokenVault: <-tokenVault0) } } }

Transaction