James Sangalli
6 years ago
parent
0fbe793089
commit
90d9335cdb
@ -0,0 +1,58 @@ |
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// |
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// Created by James Sangalli on 14/7/18. |
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// |
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|
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import Foundation |
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import BigInt |
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import JSONRPCKit |
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import APIKit |
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import Result |
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import TrustKeystore |
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|
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class GetIsERC721Contract { |
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private let web3: Web3Swift |
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init( |
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web3: Web3Swift |
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) { |
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self.web3 = web3 |
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} |
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|
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func getIsERC721Contract( |
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for contract: Address, |
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completion: @escaping (Result<Bool, AnyError>) -> Void |
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) { |
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let request = GetIsERC721() |
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web3.request(request: request) { result in |
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switch result { |
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case .success(let res): |
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let request2 = EtherServiceRequest( |
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batch: BatchFactory().create(CallRequest(to: contract.description, data: res)) |
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) |
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Session.send(request2) { [weak self] result2 in |
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switch result2 { |
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case .success(let balance): |
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let request = GetIsStormBirdDecode(data: balance) |
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self?.web3.request(request: request) { result in |
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switch result { |
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//if a successful return then it must be ERC721, else it is not |
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case .success(let res): |
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NSLog("getIsERC721 result \(res) ") |
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completion(.success(true)) |
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case .failure(let error): |
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NSLog("getIsStormBirdContract 3 error \(error)") |
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completion(.failure(AnyError(error))) |
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} |
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} |
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case .failure(let error): |
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NSLog("getIsStormBirdContract 2 error \(error)") |
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completion(.failure(AnyError(error))) |
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} |
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} |
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case .failure(let error): |
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NSLog("getIsStormBirdContract error \(error)") |
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completion(.failure(AnyError(error))) |
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} |
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} |
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} |
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} |
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@ -0,0 +1,29 @@ |
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// |
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// Created by James Sangalli on 14/7/18. |
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// |
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import Foundation |
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import TrustKeystore |
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struct GetIsERC721: Web3Request { |
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typealias Response = String |
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//Note: if this returns without error than it is ERC721 as non ERC721 contracts will not have this function |
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static let abi = "{\"constant\":true,\"inputs\":[],\"name\":\"erc721Metadata\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"}" |
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var type: Web3RequestType { |
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let run = "web3.eth.abi.encodeFunctionCall(\(GetIsERC721.abi), [])" |
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return .script(command: run) |
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} |
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} |
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struct GetIsERC721Decode: Web3Request { |
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typealias Response = String |
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let data: String |
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var type: Web3RequestType { |
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let run = "web3.eth.abi.decodeParameter('address', '\(data)')" |
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return .script(command: run) |
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} |
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} |
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