mirror of
https://github.com/ChristopherA/Learning-Bitcoin-from-the-Command-Line.git
synced 2025-06-07 07:56:31 +00:00
95 lines
2.7 KiB
Plaintext
95 lines
2.7 KiB
Plaintext
import Foundation
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func makeCommand(method: String, param: Any, completionHandler: @escaping (Any?) -> Void) -> Void {
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// 1. Build a URL
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let testnetRpcPort = "18332"
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let nodeIp = "127.0.0.1:\(testnetRpcPort)"
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let rpcusername = "oIjA53JC2u"
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let rpcpassword = "ebVCeSyyM0LurvgQyi0exWTqm4oU0rZU"
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let walletName = ""
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let walletUrl = "http://\(rpcusername):\(rpcpassword)@\(nodeIp)/\(walletName)"
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let url = URL(string: walletUrl)
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// 2. Build a Request
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var request = URLRequest(url: url!)
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request.httpMethod = "POST"
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request.setValue("text/plain", forHTTPHeaderField: "Content-Type")
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request.httpBody = "{\"jsonrpc\":\"1.0\",\"id\":\"curltest\",\"method\":\"\(method)\",\"params\":[\(param)]}".data(using: .utf8)
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// 3. Build a Session
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let session = URLSession(configuration: .default)
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let task = session.dataTask(with: request as URLRequest) { data, response, error in
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do {
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if error != nil {
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//Handle the error
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} else {
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if let urlContent = data {
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do {
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let json = try JSONSerialization.jsonObject(with: urlContent, options: JSONSerialization.ReadingOptions.mutableLeaves) as! NSDictionary
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if let errorCheck = json["error"] as? NSDictionary {
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if let errorMessage = errorCheck["message"] as? String {
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print("FAILED")
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print(errorMessage)
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}
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} else {
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let result = json["result"]
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completionHandler(result)
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}
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} catch {
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//Handle error here
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}
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}
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}
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}
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}
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task.resume()
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}
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// Test getblockchaininfo
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var method = "getblockchaininfo"
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var param = ""
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makeCommand(method: method,param: param) { result in
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print(result!)
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let blockinfo = result as! NSDictionary
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let block = blockinfo["blocks"] as! NSNumber
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// Test getblockchash
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method = "getblockhash"
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makeCommand(method: method,param: block) { result in
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print("Blockhash for \(block) is \(result!)")
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}
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}
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