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Merge pull request #165 from matter-labs/ENSPermanentRegistrarSupport
Added reverse registrar
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // | ||
| // ENSReverseRegistrar.swift | ||
| // web3swift | ||
| // | ||
| // Created by Anton on 20/04/2019. | ||
| // Copyright © 2019 The Matter Inc. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| import BigInt | ||
| import EthereumAddress | ||
|
|
||
| public extension ENS { | ||
| class ReverseRegistrar { | ||
| let web3: web3 | ||
| let address: EthereumAddress | ||
|
|
||
| lazy var contract: web3.web3contract = { | ||
| let contract = self.web3.contract(Web3.Utils.reverseRegistrarABI, at: self.address, abiVersion: 2) | ||
| precondition(contract != nil) | ||
| return contract! | ||
| }() | ||
|
|
||
| lazy var defaultOptions: TransactionOptions = { | ||
| return TransactionOptions.defaultOptions | ||
| }() | ||
|
|
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| init(web3: web3, address: EthereumAddress) { | ||
| self.web3 = web3 | ||
| self.address = address | ||
| } | ||
|
|
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| public func claimAddress(from: EthereumAddress, owner: EthereumAddress) throws -> WriteTransaction { | ||
| defaultOptions.from = from | ||
| defaultOptions.to = self.address | ||
| guard let transaction = self.contract.write("claim", parameters: [owner as AnyObject], extraData: Data(), transactionOptions: defaultOptions) else {throw Web3Error.transactionSerializationError} | ||
| return transaction | ||
| } | ||
|
|
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| public func claimAddressWithResolver(from: EthereumAddress, owner: EthereumAddress, resolver: EthereumAddress) throws -> WriteTransaction { | ||
| defaultOptions.from = from | ||
| defaultOptions.to = self.address | ||
| guard let transaction = self.contract.write("claimWithResolver", parameters: [owner, resolver] as [AnyObject], extraData: Data(), transactionOptions: defaultOptions) else {throw Web3Error.transactionSerializationError} | ||
| return transaction | ||
| } | ||
|
|
||
| public func setName(from: EthereumAddress, name: String) throws -> WriteTransaction { | ||
| defaultOptions.from = from | ||
| defaultOptions.to = self.address | ||
| guard let transaction = self.contract.write("setName", parameters: [name] as [AnyObject], extraData: Data(), transactionOptions: defaultOptions) else {throw Web3Error.transactionSerializationError} | ||
| return transaction | ||
| } | ||
|
|
||
| public func getReverseRecordName(address: EthereumAddress) throws -> Data { | ||
| guard let transaction = self.contract.read("node", parameters: [address] as [AnyObject], extraData: Data(), transactionOptions: defaultOptions) else {throw Web3Error.transactionSerializationError} | ||
| guard let result = try? transaction.call(transactionOptions: defaultOptions) else {throw Web3Error.processingError(desc: "Can't call transaction")} | ||
| guard let name = result["0"] as? Data else {throw Web3Error.processingError(desc: "Can't get answer")} | ||
| return name | ||
| } | ||
|
|
||
| public func getDefaultResolver() throws -> EthereumAddress { | ||
| guard let transaction = self.contract.read("defaultResolver", parameters: [] as [AnyObject], extraData: Data(), transactionOptions: defaultOptions) else {throw Web3Error.transactionSerializationError} | ||
| guard let result = try? transaction.call(transactionOptions: defaultOptions) else {throw Web3Error.processingError(desc: "Can't call transaction")} | ||
| guard let address = result["0"] as? EthereumAddress else {throw Web3Error.processingError(desc: "Can't get answer")} | ||
| return address | ||
| } | ||
| } | ||
| } |
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