| 1 | import "package:cake_wallet/core/anypay/anypay_models.dart"; |
| 2 | import "package:cake_wallet/core/universal_address_detector.dart"; |
| 3 | import "package:cake_wallet/utils/payment_request.dart"; |
| 4 | import "package:cw_core/crypto_currency.dart"; |
| 5 | import "package:cw_core/currency_for_wallet_type.dart"; |
| 6 | import "package:cw_core/payment_uris.dart"; |
| 7 | |
| 8 | class AnyPayParser { |
| 9 | static AnyPayRequest fromRaw(String input) { |
| 10 | final paymentRequest = PaymentRequest.fromString(input); |
| 11 | |
| 12 | return AnyPayRequest( |
| 13 | rawInput: input, |
| 14 | paymentRequest: paymentRequest, |
| 15 | detection: UniversalAddressDetector.detectAddress(input), |
| 16 | chainBinding: _bindingFor(paymentRequest), |
| 17 | ); |
| 18 | } |
| 19 | |
| 20 | static AnyPayRequest fromPaymentRequest(PaymentRequest request) { |
| 21 | final raw = _reconstructRawInput(request); |
| 22 | |
| 23 | return AnyPayRequest( |
| 24 | rawInput: raw, |
| 25 | paymentRequest: request, |
| 26 | detection: UniversalAddressDetector.detectAddress(raw), |
| 27 | chainBinding: _bindingFor(request), |
| 28 | ); |
| 29 | } |
| 30 | |
| 31 | static String _reconstructRawInput(PaymentRequest request) { |
| 32 | final scheme = request.scheme.toLowerCase(); |
| 33 | |
| 34 | if (scheme.isEmpty || scheme == "lightning") { |
| 35 | return request.address; |
| 36 | } |
| 37 | |
| 38 | if (scheme == "ethereum") { |
| 39 | return ERC681URI( |
| 40 | address: request.address, |
| 41 | amount: request.amount, |
| 42 | contractAddress: request.contractAddress, |
| 43 | chainId: request.chainId ?? 1, |
| 44 | rawTokenAmount: request.rawTokenAmount, |
| 45 | ).toString(); |
| 46 | } |
| 47 | |
| 48 | final amount = request.amount.isNotEmpty ? "?amount=${request.amount}" : ""; |
| 49 | return "${request.scheme}:${request.address}$amount"; |
| 50 | } |
| 51 | |
| 52 | static ChainBinding _bindingFor(PaymentRequest request) { |
| 53 | final scheme = request.scheme.toLowerCase(); |
| 54 | |
| 55 | if (scheme == "ethereum") { |
| 56 | final chainId = request.chainId; |
| 57 | return chainId != null ? ExplicitEvmChain(chainId) : const ChainlessEvm(); |
| 58 | } |
| 59 | |
| 60 | if (scheme.isNotEmpty) { |
| 61 | try { |
| 62 | final chainId = getChainIdByCryptoCurrency(CryptoCurrency.fromString(scheme)); |
| 63 | if (chainId != null) { |
| 64 | return ExplicitEvmChain(chainId); |
| 65 | } |
| 66 | } catch (_) {} |
| 67 | } |
| 68 | |
| 69 | return const NoEvmBinding(); |
| 70 | } |
| 71 | } |