Fixups

- Update percentile arrays method.
- fix JSONRPCmethod validation bug
-

Author: yaroslavyaroslav

Sources/web3swift/Convenience/Array+Extension.swift

@@ -44,9 +44,9 @@ extension Array where Element: BinaryInteger {
 
         let normalizedValue = value / 100 * Double(self.count)
         let index = Int(ceil(normalizedValue))
-        guard index < self.count else { return nil }
 
         let sorted_data = self.sorted()
+        guard index < self.count else { return sorted_data[sorted_data.endIndex] }
         return sorted_data[index]
     }
 }

Sources/web3swift/Web3/Web3+Methods.swift

@@ -48,8 +48,7 @@ public enum JSONRPCmethod: String, Encodable {
                 .getAccounts,
                 .getTxPoolStatus,
                 .getTxPoolContent,
-                .getTxPoolInspect,
-                .estimateGas:
+                .getTxPoolInspect:
             return 0
         case .sendRawTransaction,
                 .sendTransaction,
@@ -58,7 +57,8 @@ public enum JSONRPCmethod: String, Encodable {
                 .personalSign,
                 .unlockAccount,
                 .createAccount,
-                .getLogs:
+                .getLogs,
+                .estimateGas:
             return 1
         case .call,
                 .getTransactionCount,

Sources/web3swift/Web3/Web3+ReadingTransaction.swift

@@ -90,8 +90,8 @@ public class ReadTransaction {
             let promise = self.web3.eth.estimateGasPromise(assembledTransaction, transactionOptions: optionsForGasEstimation)
             promise.done(on: queue) {(estimate: BigUInt) in
                 seal.fulfill(estimate)
-                }.catch(on: queue) {err in
-                    seal.reject(err)
+            }.catch(on: queue) {err in
+                seal.reject(err)
             }
         }
         return returnPromise

Tests/web3swiftTests/localTests/web3swiftBasicLocalNodeTests.swift

@@ -64,7 +64,7 @@ class web3swiftBasicLocalNodeTests: XCTestCase {
         let balanceBeforeFrom = try web3.eth.getBalancePromise(address: allAddresses[0]).wait()
         print("Balance before to: " + balanceBeforeTo.description)
         print("Balance before from: " + balanceBeforeFrom.description)
-        
+
         let result = try sendTx.sendPromise().wait()
         let txHash = result.hash
         print("Transaction with hash " + txHash)

Tests/web3swiftTests/localTests/web3swiftPromisesTests.swift

@@ -94,7 +94,7 @@ class web3swiftPromisesTests: XCTestCase {
         options.from = fromAddress
 
         let amount1 = Web3.Utils.parseToBigUInt("0.000000000000000001", units: .eth) // 1 wei
-        
+
         guard let tx1 = contract.write("test",
                                        parameters: [amount1] as [AnyObject],
                                        extraData: Data(),