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[trello.com/c/H3H8SXeM] Eth crash fix
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“just-software-dev”
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Nov 29, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| // | ||
| // EthApiCore.swift | ||
| // Adamant | ||
| // | ||
| // Created by Andrew G on 30.11.2023. | ||
| // Copyright © 2023 Adamant. All rights reserved. | ||
| // | ||
|
|
||
| import CommonKit | ||
| import Foundation | ||
| import web3swift | ||
| import Web3Core | ||
|
|
||
| actor EthApiCore { | ||
| let apiCore: APICoreProtocol | ||
| private(set) var keystoreManager: KeystoreManager? | ||
| private var web3Cache: [URL: Web3] = .init() | ||
|
|
||
| func performRequest<Success>( | ||
| node: Node, | ||
| _ body: @escaping @Sendable (_ web3: Web3) async throws -> Success | ||
| ) async -> WalletServiceResult<Success> { | ||
| switch await getWeb3(node: node) { | ||
| case let .success(web3): | ||
| do { | ||
| return .success(try await body(web3)) | ||
| } catch { | ||
| return .failure(mapError(error)) | ||
| } | ||
| case let .failure(error): | ||
| return .failure(error) | ||
| } | ||
| } | ||
|
|
||
| func setKeystoreManager(_ keystoreManager: KeystoreManager) { | ||
| self.keystoreManager = keystoreManager | ||
| web3Cache = .init() | ||
| } | ||
|
|
||
| init(apiCore: APICoreProtocol) { | ||
| self.apiCore = apiCore | ||
| } | ||
| } | ||
|
|
||
| extension EthApiCore: BlockchainHealthCheckableService { | ||
| func getStatusInfo(node: Node) async -> WalletServiceResult<NodeStatusInfo> { | ||
| await performRequest(node: node) { web3 in | ||
| let startTimestamp = Date.now.timeIntervalSince1970 | ||
| let height = try await web3.eth.blockNumber() | ||
| let ping = Date.now.timeIntervalSince1970 - startTimestamp | ||
|
|
||
| return .init( | ||
| ping: ping, | ||
| height: Int(height.asDouble()), | ||
| wsEnabled: false, | ||
| wsPort: nil, | ||
| version: nil | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private extension EthApiCore { | ||
| func getWeb3(node: Node) async -> WalletServiceResult<Web3> { | ||
| guard let url = node.asURL() else { | ||
| return .failure(.internalError(.endpointBuildFailed)) | ||
| } | ||
|
|
||
| if let web3 = web3Cache[url] { | ||
| return .success(web3) | ||
| } | ||
|
|
||
| do { | ||
| let web3 = try await Web3.new(url) | ||
| web3.addKeystoreManager(keystoreManager) | ||
| web3Cache[url] = web3 | ||
| return .success(web3) | ||
| } catch { | ||
| return .failure(.internalError( | ||
| message: error.localizedDescription, | ||
| error: error | ||
| )) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private func mapError(_ error: Error) -> WalletServiceError { | ||
| if let error = error as? Web3Error { | ||
| return error.asWalletServiceError() | ||
| } else if let error = error as? ApiServiceError { | ||
| return error.asWalletServiceError() | ||
| } else if let error = error as? WalletServiceError { | ||
| return error | ||
| } else if let _ = error as? URLError { | ||
| return .networkError | ||
| } else { | ||
| return .remoteServiceError(message: error.localizedDescription) | ||
| } | ||
| } |
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