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Update ENS Resolver #180

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Merged
merged 3 commits into from
May 4, 2019
Merged

Update ENS Resolver #180

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2f61796
Add new resolver ABI
May 1, 2019
c071915
Add interfaceImplementer function
May 1, 2019
5ab6a9d
Update ENSResolver.swift
May 1, 2019
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10 changes: 9 additions & 1 deletion Sources/web3swift/Utils/ENS/ENSResolver.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ public extension ENS {
case CBOR = 4
case URI = 8
}

public enum InterfaceName {
case addr
case name
Expand Down Expand Up @@ -72,6 +72,14 @@ public extension ENS {
guard let supports = result["0"] as? Bool else {throw Web3Error.processingError(desc: "Can't get answer")}
return supports
}

public func interfaceImplementer(forNode node: String, interfaceID: String) throws -> EthereumAddress {
guard let nameHash = NameHash.nameHash(node) else {throw Web3Error.processingError(desc: "Failed to get name hash")}
guard let transaction = self.resolverContract.read("interfaceImplementer", parameters: [nameHash, interfaceID] 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 address")}
return address
}

public func getAddress(forNode node: String) throws -> EthereumAddress {
guard let nameHash = NameHash.nameHash(node) else {throw Web3Error.processingError(desc: "Failed to get name hash")}
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