Fix feeHistory logic bug

It didn't converts blocks amount into hex number system.

Author: yaroslavyaroslav

Sources/web3swift/Promises/Promise+Web3+Eth+FeeHistory.swift

@@ -11,7 +11,7 @@ import BigInt
 
 extension web3.Eth {
     func feeHistory(blockCount: BigUInt, block: String, percentiles:[Double]) async throws -> Web3.Oracle.FeeHistory {
-        let parameters: [JSONRPCParameter] = [blockCount.description.addHexPrefix(), block, percentiles]
+        let parameters: [JSONRPCParameter] = [blockCount.hexString, block, percentiles]
 
         let request = JSONRPCRequestFabric.prepareRequest(.feeHistory, parameters: parameters)
         let response = try await web3.dispatch(request)

Tests/web3swiftTests/remoteTests/GasOracleTests.swift

@@ -19,10 +19,10 @@ class OracleTests: XCTestCase {
         let web3 = await Web3.InfuraMainnetWeb3(accessToken: Constants.infuraToken)
         lazy var oracle: Web3.Oracle = .init(web3, block: .exact(blockNumber), blockCount: 20, percentiles: [10, 40, 60, 90])
         let etalonPercentiles: [BigUInt] = [
-            71456911562,    // 10 percentile
-            92735433497,    // 40 percentile
-            105739785122,   // 60 percentile
-            118929912191    // 90 percentile
+            94217344703,    // 10 percentile
+            105983352568,    // 40 percentile
+            110561015933,   // 60 percentile
+            124178275323    // 90 percentile
         ]
 
         let baseFeePercentiles = await oracle.baseFeePercentiles()
@@ -33,10 +33,10 @@ class OracleTests: XCTestCase {
         let web3 = await Web3.InfuraMainnetWeb3(accessToken: Constants.infuraToken)
         lazy var oracle: Web3.Oracle = .init(web3, block: .exact(blockNumber), blockCount: 20, percentiles: [10, 40, 60, 90])
         let etalonPercentiles: [BigUInt] = [
-            1251559157,     // 10 percentile
-            1594062500,     // 40 percentile
-            2268157275,     // 60 percentile
-            11394017894     // 90 percentile
+            1217066957,     // 10 percentile
+            1525000000,     // 40 percentile
+            2047260024,     // 60 percentile
+            9807181877      // 90 percentile
         ]
 
         let tipFeePercentiles = await oracle.tipFeePercentiles()
@@ -48,16 +48,16 @@ class OracleTests: XCTestCase {
         lazy var oracle: Web3.Oracle = .init(web3, block: .exact(blockNumber), blockCount: 20, percentiles: [10, 40, 60, 90])
         let etalonPercentiles: ([BigUInt], [BigUInt]) = (
             baseFee: [
-                71456911562,    // 10 percentile
-                92735433497,    // 40 percentile
-                105739785122,   // 60 percentile
-                118929912191    // 90 percentile
+                94217344703,    // 10 percentile
+                105983352568,    // 40 percentile
+                110561015933,   // 60 percentile
+                124178275323    // 90 percentile
             ],
             tip: [
-                1251559157,     // 10 percentile
-                1594062500,     // 40 percentile
-                2268157275,     // 60 percentile
-                11394017894     // 90 percentile
+                1217066957,     // 10 percentile
+                1525000000,     // 40 percentile
+                2047260024,     // 60 percentile
+                9807181877     // 90 percentile
             ]
         )