Add Custom Linking to Quickswap for tokens on Polygon #2808
Vladyslav shepitko
3 years ago
parent
8031383d0d
commit
44c0957fb2
@ -0,0 +1,108 @@ |
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// |
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// QuickSwap.swift |
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// AlphaWallet |
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// |
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// Created by Vladyslav Shepitko on 21.08.2020. |
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// |
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import UIKit |
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struct QuickSwap: TokenActionsProvider, SwapTokenURLProviderType { |
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var action: String { |
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return R.string.localizable.aWalletTokenErc20ExchangeOnQuickSwapButtonTitle() |
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} |
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var rpcServer: RPCServer? { |
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.polygon |
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} |
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var analyticsName: String { |
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"QuickSwap" |
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} |
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private static let baseURL = "https://quickswap.exchange/#" |
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var version: Version = .v2 |
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var theme: Uniswap.Theme = .dark |
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var method: Method = .swap |
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func url(token: TokenActionsServiceKey) -> URL? { |
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let input = Input.input(token.contractAddress) |
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var components = URLComponents() |
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components.path = method.rawValue |
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components.queryItems = [ |
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URLQueryItem(name: Version.key, value: version.rawValue), |
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URLQueryItem(name: Uniswap.Theme.key, value: theme.rawValue) |
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] + input.urlQueryItems |
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//NOTE: URLComponents doesn't allow path to contain # symbol |
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guard let pathWithQueryItems = components.url?.absoluteString else { return nil } |
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return URL(string: QuickSwap.baseURL + pathWithQueryItems) |
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} |
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enum Version: String { |
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static let key = "use" |
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case v1 |
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case v2 |
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} |
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enum Method: String { |
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case swap = "/swap" |
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case use |
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} |
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enum Input { |
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enum Keys { |
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static let input = "inputCurrency" |
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static let output = "outputCurrency" |
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} |
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case inputOutput(from: AlphaWallet.Address, to: AddressOrEnsName) |
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case input(AlphaWallet.Address) |
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case none |
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var urlQueryItems: [URLQueryItem] { |
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switch self { |
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case .inputOutput(let inputAddress, let outputAddress): |
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return [ |
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.init(name: Keys.input, value: functional.rewriteContractInput(inputAddress)), |
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.init(name: Keys.output, value: outputAddress.stringValue), |
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] |
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case .input(let address): |
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return [ |
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.init(name: Keys.input, value: functional.rewriteContractInput(address)) |
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] |
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case .none: |
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return [] |
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} |
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} |
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class functional { |
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static func rewriteContractInput(_ address: AlphaWallet.Address) -> String { |
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if address.sameContract(as: Constants.nativeCryptoAddressInDatabase) { |
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//QuickSwap (forked from Uniswap) likes it this way |
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return "ETH" |
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} else { |
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return address.eip55String |
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} |
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} |
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} |
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} |
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func actions(token: TokenActionsServiceKey) -> [TokenInstanceAction] { |
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return [ |
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.init(type: .swap(service: self)) |
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] |
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} |
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func isSupport(token: TokenActionsServiceKey) -> Bool { |
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switch token.server { |
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case .polygon: |
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return true |
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case .main, .kovan, .ropsten, .rinkeby, .poa, .sokol, .classic, .callisto, .goerli, .artis_sigma1, .artis_tau1, .binance_smart_chain, .binance_smart_chain_testnet, .heco, .heco_testnet, .custom, .fantom, .fantom_testnet, .avalanche, .avalanche_testnet, .xDai, .mumbai_testnet, .optimistic, .optimisticKovan, .cronosTestnet: |
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return false |
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} |
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} |
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} |
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