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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| // | ||
| // Network.swift | ||
| // myWeb3Wallet | ||
| // | ||
| // Created by 6od9i on 15/01/25. | ||
| // | ||
|
|
||
| import Foundation | ||
|
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| struct Network { | ||
| /// Id of chain | ||
| let chainId: Int | ||
| /// Name of the network | ||
| let name: String | ||
| /// Some rpc api paths - for network provider | ||
| let networkRPC: String | ||
| /// Path to network explorer like https://bscscan.com/ | ||
| let explorer: String? | ||
|
|
||
| /// list of tokens added in this network | ||
| var tokens: [Token] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // | ||
| // Token.swift | ||
| // myWeb3Wallet | ||
| // | ||
| // Created by 6od9i on 15/01/25. | ||
| // | ||
|
|
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| import Foundation | ||
|
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| struct Token { | ||
| var isNative: Bool = false | ||
| /// Token symbol, for example - "ETH"/"USDT" | ||
| let symbol: String | ||
| /// Token contract address | ||
| let address: String | ||
| /// Decimals number | ||
| let decimals: Int | ||
| } |
64 changes: 64 additions & 0 deletions
64
Example/myWeb3Wallet/myWeb3Wallet/Core/WalletChainsModel.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| // | ||
| // WalletChainsModel.swift | ||
| // myWeb3Wallet | ||
| // | ||
| // Created by 6od9i on 15/01/25. | ||
| // | ||
|
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| import Foundation | ||
|
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| struct WalletChainsModel { | ||
| static let networks: [Network] = [ | ||
| Network(chainId: 1, name: "Ethereum", | ||
| networkRPC: "https://ethereum-rpc.publicnode.com", | ||
| explorer: "https://etherscan.io/", tokens: [ | ||
| Token(isNative: true, | ||
| symbol: "ETH", | ||
| address: "0x0", | ||
| decimals: 18), | ||
| Token(symbol: "USDT", | ||
| address: "0xdAC17F958D2ee523a2206206994597C13D831ec7", | ||
| decimals: 6), | ||
| Token(symbol: "USDC", | ||
| address: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", | ||
| decimals: 6), | ||
| Token(symbol: "BTC", | ||
| address: "0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599", | ||
| decimals: 8) | ||
| ]), | ||
| Network(chainId: 56, name: "Binance Smart Chain", | ||
| networkRPC: "https://bsc-dataseed.binance.org/", | ||
| explorer: "https://bscscan.com/", tokens: [ | ||
| Token(isNative: true, | ||
| symbol: "BNB", | ||
| address: "0x0", | ||
| decimals: 18), | ||
| Token(symbol: "USDT", | ||
| address: "0x55d398326f99059fF775485246999027B3197955", | ||
| decimals: 18), | ||
| Token(symbol: "USDC", | ||
| address: "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d", | ||
| decimals: 18), | ||
| Token(symbol: "BTC", | ||
| address: "0x7130d2A12B9BCbFAe4f2634d864A1Ee1Ce3Ead9c", | ||
| decimals: 18) | ||
| ]), | ||
| Network(chainId: 137, name: "Polygon", | ||
| networkRPC: "https://polygon.llamarpc.com", | ||
| explorer: "https://polygonscan.com/", tokens: [ | ||
| Token(isNative: true, | ||
| symbol: "POL", | ||
| address: "0x0", | ||
| decimals: 18), | ||
| Token(symbol: "USDT", | ||
| address: "0xc2132D05D31c914a87C6611C10748AEb04B58e8F", | ||
| decimals: 6), | ||
| Token(symbol: "USDC", | ||
| address: "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", | ||
| decimals: 6), | ||
| Token(symbol: "WBTC", | ||
| address: "0x1BFD67037B42Cf73acF2047067bd4F2C47D9BfD6", | ||
| decimals: 8) | ||
| ]) | ||
| ] | ||
| } |
71 changes: 71 additions & 0 deletions
71
Example/myWeb3Wallet/myWeb3Wallet/Core/WalletManager.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // | ||
| // WalletManager.swift | ||
| // myWeb3Wallet | ||
| // | ||
| // Created by 6od9i on 15/01/25. | ||
| // | ||
|
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| import Foundation | ||
| import web3swift | ||
| import Web3Core | ||
| import BigInt | ||
|
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| final class Web3Network { | ||
| let network: Network | ||
|
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| /// web3 - sign, request and etc | ||
| let web3: Web3 | ||
|
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| var tokensBalances: [String: BigUInt] = [:] | ||
|
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| init(network: Network, web3: Web3) { | ||
| self.network = network | ||
| self.web3 = web3 | ||
| } | ||
| } | ||
|
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|
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| final class WalletManager { | ||
| static let keystorePassword = "password" | ||
|
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| /// Container with private keys | ||
| private let keystoreManager: KeystoreManager | ||
|
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| private(set) var networks: [Web3Network] = [] | ||
|
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| let address: EthereumAddress | ||
|
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| init(keystoreManager: KeystoreManager) async { | ||
| self.keystoreManager = keystoreManager | ||
| self.address = keystoreManager.addresses!.first! | ||
|
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| for model in WalletChainsModel.networks { | ||
| let network = Networks.Custom(networkID: BigUInt(model.chainId)) | ||
| guard let providerURL = URL(string: model.networkRPC), | ||
| let provider = try? await Web3HttpProvider(url: providerURL, network: network, | ||
| keystoreManager: keystoreManager) | ||
| else { continue } | ||
|
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| let web3 = web3swift.Web3(provider: provider) | ||
| networks.append(Web3Network(network: model, web3: web3)) | ||
| } | ||
| } | ||
|
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| func loadBalances() async { | ||
| for network in networks { | ||
| if let nativeBalance = try? await network.web3.eth.getBalance(for: address), | ||
| let nativeSymbol = network.network.tokens.first(where: { $0.isNative })?.symbol { | ||
| network.tokensBalances[nativeSymbol] = nativeBalance | ||
| } | ||
| for token in network.network.tokens { | ||
| guard token.isNative == false, | ||
| let contract = network.web3.contract(Web3.Utils.erc20ABI, at: EthereumAddress(token.address)), | ||
| let operation = contract.createReadOperation("balanceOf", parameters: [address]), | ||
| let result = try? await operation.callContractMethod(), | ||
| let balance = result["balance"] as? BigUInt | ||
| else { continue } | ||
| network.tokensBalances[token.symbol] = balance | ||
| } | ||
| } | ||
| } | ||
| } |
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