chore: consistency and dead code cleanup (#134)

* fix: resolve consistency and dead-code issues across contracts

Signed-off-by: ValentinVPK <valentin.krumov@limechain.tech>

* fix: correct identifier/doc typos and make send0x1 use .send

Signed-off-by: ValentinVPK <valentin.krumov@limechain.tech>

---------

Signed-off-by: ValentinVPK <valentin.krumov@limechain.tech>

Author: ValentinVPK

contracts/account-service/HederaAccountService.sol

@@ -80,7 +80,7 @@ abstract contract HederaAccountService {
     }
 
     /// Determines if the signature is valid for the given message hash and account.
-    /// It is assumed that the signature is composed of a single EDCSA or ED25519 key.
+    /// It is assumed that the signature is composed of a single ECDSA or ED25519 key.
     /// @param account The account to check the signature against
     /// @param messageHash The hash of the message to check the signature against
     /// @param signature The signature to check

contracts/account-service/IHRC632.sol

@@ -22,7 +22,7 @@ interface IHRC632 {
     function isValidAlias(address addr) external returns (bool response);
 
     /// Determines if the signature is valid for the given message hash and account.
-    /// It is assumed that the signature is composed of a single EDCSA or ED25519 key.
+    /// It is assumed that the signature is composed of a single ECDSA or ED25519 key.
     /// @param account The account to check the signature against.
     /// @param messageHash The hash of the message to check the signature against.
     /// @param signature The signature to check.

contracts/account-service/IHederaAccountService.sol

@@ -46,7 +46,7 @@ interface IHederaAccountService {
     function isValidAlias(address addr) external returns (int64 responseCode, bool response);
 
     /// Determines if the signature is valid for the given message hash and account.
-    /// It is assumed that the signature is composed of a single EDCSA or ED25519 key.
+    /// It is assumed that the signature is composed of a single ECDSA or ED25519 key.
     /// @param account The account to check the signature against.
     /// @param messageHash The hash of the message to check the signature against.
     /// @param signature The signature to check.

contracts/exchange-rate/ExchangeRateMock.sol

@@ -7,13 +7,13 @@ contract ExchangeRateMock is SelfFunding {
     event TinyBars(uint256 tinybars);
     event TinyCents(uint256 tinycents);
 
-    function convertTinycentsToTinybars(uint256 tineycents) external returns (uint256 tinybars) {
-        tinybars = tinycentsToTinybars(tineycents);
+    function convertTinycentsToTinybars(uint256 tinycents) external returns (uint256 tinybars) {
+        tinybars = tinycentsToTinybars(tinycents);
         emit TinyBars(tinybars);
     }
 
-    function convertTinybarsToTinycents(uint256 tinybars) external returns (uint256 tineycents) {
-        tineycents = tinybarsToTinycents(tinybars);
-        emit TinyCents(tineycents);
+    function convertTinybarsToTinycents(uint256 tinybars) external returns (uint256 tinycents) {
+        tinycents = tinybarsToTinycents(tinybars);
+        emit TinyCents(tinycents);
     }
 }

contracts/extensions/hrc-904/Airdrop.sol

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: Apache-2.0
 pragma solidity >=0.4.9 <0.9.0;
 
 import "../../schedule-service/HederaScheduleService.sol";

contracts/extensions/ihrc-1215/HRC1215Contract.sol

@@ -2,7 +2,6 @@
 pragma solidity >=0.4.9 <0.9.0;
 
 import "../../schedule-service/HederaScheduleService.sol";
-import "../../token-service/HederaTokenService.sol";
 
 pragma experimental ABIEncoderV2;
 

contracts/extensions/ihrc-755/HRC755Contract.sol

@@ -3,10 +3,9 @@ pragma solidity >=0.5.0 <0.9.0;
 pragma experimental ABIEncoderV2;
 
 import "../../token-service/HederaTokenService.sol";
-import "../../token-service/ExpiryHelper.sol";
 import "../../token-service/KeyHelper.sol";
 
-contract TokenCreateContract is HederaTokenService, ExpiryHelper, KeyHelper {
+contract TokenCreateContract is HederaTokenService, KeyHelper {
 
     string name = "tokenName";
     string symbol = "tokenSymbol";

contracts/extensions/token-create/TokenCreateContract.sol

@@ -3,11 +3,10 @@ pragma solidity >=0.5.0 <0.9.0;
 pragma experimental ABIEncoderV2;
 
 import "../../token-service/HederaTokenService.sol";
-import "../../token-service/ExpiryHelper.sol";
 import "../../token-service/KeyHelper.sol";
 import "../../token-service/FeeHelper.sol";
 
-contract TokenCreateCustomContract is HederaTokenService, ExpiryHelper, KeyHelper, FeeHelper {
+contract TokenCreateCustomContract is HederaTokenService, KeyHelper, FeeHelper {
     bool finiteTotalSupplyType = true;
 
     error TokenTransferFailed(int responseCode);

contracts/extensions/token-create/TokenCreateCustom.sol

@@ -3,11 +3,9 @@ pragma solidity >=0.5.0 <0.9.0;
 pragma experimental ABIEncoderV2;
 
 import "../../token-service/HederaTokenService.sol";
-import "../../token-service/ExpiryHelper.sol";
-import "../../token-service/KeyHelper.sol";
 import "@openzeppelin/contracts/utils/Strings.sol";
 
-contract TokenManagementContract is HederaTokenService, ExpiryHelper, KeyHelper {
+contract TokenManagementContract is HederaTokenService {
 
     event ResponseCode(int responseCode);
     event PausedToken(bool paused);