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Merge pull request #12 from BaldyAsh/erc1400improvementsAndRequiredERCs
A lot of fixies in ERCs. Added ERCs: 1410, 1594, 1633, 1643, 1644, 1376…
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web3swift/PrecompiledContracts/ERC1155/Web3+ERC1155.swift
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| // | ||
| // Web3+ERC1155.swift | ||
| // web3swift-iOS | ||
| // | ||
| // Created by Anton Grigorev on 20/12/2018. | ||
| // Copyright © 2018 The Matter Inc. All rights reserved. | ||
| // | ||
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| import Foundation | ||
| import BigInt | ||
| import PromiseKit | ||
| import EthereumAddress | ||
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| //Multi Token Standard | ||
| protocol IERC1155: IERC165 { | ||
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| func safeTransferFrom(from: EthereumAddress, to: EthereumAddress, originalOwner: EthereumAddress, id: BigUInt, value: BigUInt, data: [UInt8]) throws -> WriteTransaction | ||
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| func safeBatchTransferFrom(from: EthereumAddress, to: EthereumAddress, originalOwner: EthereumAddress, ids: [BigUInt], values: [BigUInt], data: [UInt8]) throws -> WriteTransaction | ||
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| func balanceOf(account: EthereumAddress, id: BigUInt) throws -> BigUInt | ||
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| func setApprovalForAll(from: EthereumAddress, operator user: EthereumAddress, approved: Bool, scope: Data) throws -> WriteTransaction | ||
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| func isApprovedForAll(owner: EthereumAddress, operator user: EthereumAddress, scope: Data) throws -> Bool | ||
| } | ||
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| protocol IERC1155Metadata { | ||
| func uri(id: BigUInt) throws -> String | ||
| func name(id: BigUInt) throws -> String | ||
| } | ||
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| public class ERC1155: IERC1155 { | ||
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| @available(*, deprecated, renamed: "transactionOptions") | ||
| public var options: Web3Options = .init() | ||
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| private var _tokenId: BigUInt? = nil | ||
| private var _hasReadProperties: Bool = false | ||
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| public var transactionOptions: TransactionOptions | ||
| public var web3: web3 | ||
| public var provider: Web3Provider | ||
| public var address: EthereumAddress | ||
| public var abi: String | ||
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| lazy var contract: web3.web3contract = { | ||
| let contract = self.web3.contract(self.abi, at: self.address, abiVersion: 2) | ||
| precondition(contract != nil) | ||
| return contract! | ||
| }() | ||
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| public init(web3: web3, provider: Web3Provider, address: EthereumAddress, abi: String = Web3.Utils.erc1155ABI) { | ||
| self.web3 = web3 | ||
| self.provider = provider | ||
| self.address = address | ||
| var mergedOptions = web3.transactionOptions | ||
| mergedOptions.to = address | ||
| self.abi = abi | ||
| self.transactionOptions = mergedOptions | ||
| } | ||
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| public var tokenId: BigUInt { | ||
| self.readProperties() | ||
| if self._tokenId != nil { | ||
| return self._tokenId! | ||
| } | ||
| return 0 | ||
| } | ||
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| public func readProperties() { | ||
| if self._hasReadProperties { | ||
| return | ||
| } | ||
| let contract = self.contract | ||
| guard contract.contract.address != nil else {return} | ||
| var transactionOptions = TransactionOptions.defaultOptions | ||
| transactionOptions.callOnBlock = .latest | ||
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| guard let tokenIdPromise = contract.read("id", parameters: [] as [AnyObject], extraData: Data(), transactionOptions: transactionOptions)?.callPromise() else {return} | ||
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| let allPromises = [tokenIdPromise] | ||
| let queue = self.web3.requestDispatcher.queue | ||
| when(resolved: allPromises).map(on: queue) { (resolvedPromises) -> Void in | ||
| guard case .fulfilled(let tokenIdResult) = resolvedPromises[0] else {return} | ||
| guard let tokenId = tokenIdResult["0"] as? BigUInt else {return} | ||
| self._tokenId = tokenId | ||
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| self._hasReadProperties = true | ||
| }.wait() | ||
| } | ||
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| func safeTransferFrom(from: EthereumAddress, to: EthereumAddress, originalOwner: EthereumAddress, id: BigUInt, value: BigUInt, data: [UInt8]) throws -> WriteTransaction { | ||
| let contract = self.contract | ||
| var basicOptions = TransactionOptions() | ||
| basicOptions.from = from | ||
| basicOptions.to = self.address | ||
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| let tx = contract.write("safeTransferFrom", parameters: [originalOwner, to, id, value, data] as [AnyObject], transactionOptions: basicOptions)! | ||
| return tx | ||
| } | ||
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| func safeBatchTransferFrom(from: EthereumAddress, to: EthereumAddress, originalOwner: EthereumAddress, ids: [BigUInt], values: [BigUInt], data: [UInt8]) throws -> WriteTransaction { | ||
| let contract = self.contract | ||
| var basicOptions = TransactionOptions() | ||
| basicOptions.from = from | ||
| basicOptions.to = self.address | ||
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| let tx = contract.write("safeBatchTransferFrom", parameters: [originalOwner, to, ids, values, data] as [AnyObject], transactionOptions: basicOptions)! | ||
| return tx | ||
| } | ||
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| func balanceOf(account: EthereumAddress, id: BigUInt) throws -> BigUInt { | ||
| let contract = self.contract | ||
| var transactionOptions = TransactionOptions() | ||
| transactionOptions.callOnBlock = .latest | ||
| let result = try contract.read("balanceOf", parameters: [account, id] as [AnyObject], extraData: Data(), transactionOptions: self.transactionOptions)!.call(transactionOptions: transactionOptions) | ||
| guard let res = result["0"] as? BigUInt else {throw Web3Error.processingError(desc: "Failed to get result of expected type from the Ethereum node")} | ||
| return res | ||
| } | ||
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| func setApprovalForAll(from: EthereumAddress, operator user: EthereumAddress, approved: Bool, scope: Data) throws -> WriteTransaction { | ||
| let contract = self.contract | ||
| var basicOptions = TransactionOptions() | ||
| basicOptions.from = from | ||
| basicOptions.to = self.address | ||
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| let tx = contract.write("setApprovalForAll", parameters: [user, approved, scope] as [AnyObject], transactionOptions: basicOptions)! | ||
| return tx | ||
| } | ||
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| func isApprovedForAll(owner: EthereumAddress, operator user: EthereumAddress, scope: Data) throws -> Bool { | ||
| let contract = self.contract | ||
| var basicOptions = TransactionOptions() | ||
| basicOptions.callOnBlock = .latest | ||
| let result = try contract.read("isApprovedForAll", parameters: [owner, user, scope] as [AnyObject], extraData: Data(), transactionOptions: self.transactionOptions)!.call(transactionOptions: transactionOptions) | ||
| guard let res = result["0"] as? Bool else {throw Web3Error.processingError(desc: "Failed to get result of expected type from the Ethereum node")} | ||
| return res | ||
| } | ||
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| func supportsInterface(interfaceID: [UInt8]) throws -> Bool { | ||
| let contract = self.contract | ||
| var transactionOptions = TransactionOptions() | ||
| transactionOptions.callOnBlock = .latest | ||
| transactionOptions.gasLimit = .manual(30000) | ||
| let result = try contract.read("supportsInterface", parameters: [interfaceID] as [AnyObject], extraData: Data(), transactionOptions: self.transactionOptions)!.call(transactionOptions: transactionOptions) | ||
| guard let res = result["0"] as? Bool else {throw Web3Error.processingError(desc: "Failed to get result of expected type from the Ethereum node")} | ||
| return res | ||
| } | ||
| } |
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