github.com/hashgraph/hedera-sdk-go/v2@v2.48.0/CHANGELOG.md

## v2.48.0

### Fixed
- Reset `stakedAccountID` when setting `stakedNodeID` and vice versa
- Fix `FEE_SCHEDULE_FILE_PART_UPLOADED` marked as error

## v2.47.0

### Added
- Functionality to pass a string in `SetMessage` function for `TopicMessageSubmitTransaction`

### Fixed
- Resubmit transaction in case of throttle status at receipt

## v2.46.0

### Added
- `TokenClaimAirdropTransaction` and `TokenCancelAirdropTransaction` (part of HIP-904)

### Fixed
- Handling of `0x` prefix when constructing ECDSA keys

## v2.45.0

### Added
- `TokenAirdropTransaction` (part of HIP-904)

### Fixed
- Handling of `THROTTLED_AT_CONSENSUS` status code

## v2.44.0

### Added

- `NodeCreateTransaction`,`NodeUpdateTransaction`,`NodeDeleteTransaction` (part of HIP-869)

## v2.43.0

### Added

-  `Key` functions such as `KeyFromBytes` `KeyToBytes`
-  `KeyList` functions such as `SetThreshold`

## v2.42.0

### Added

-  `TokenReject` functionality (part of HIP-904)

### Fixed

-  `TransactionReceiptQuery` and `AccountBalanceQuery` execution flows

## v2.41.0

### Added

-  Modified `AccountUpdateTransaction` to allow `maxAutomaticTokenAssociations` to support `-1` as a valid value

## v2.40.0

### Added

-  Implemented custom derivation paths in Menmonic ECDSA private key derivation 

### Fixed

-  Revisited and fix failing examples
-  Gracefully handle `PlatformNotActive` status code

## v2.39.0

### Added

-  Implemented HIP-540: Change or remove existing keys from a token

## v2.38.1

### Changed

-  `AccountBalanceQuery`, `AccountInfoQuery`, and `ContractInfoQuery` get all the data from consensus nodes again

## v2.38.0

### Added

-   `AccountBalanceQuery`, `AccountInfoQuery`, and `ContractInfoQuery` get part of the data from the Mirror Node REST API (HIP-367)
-   Fungible Token Metadata Field (HIP-646)
-   NFT Collection Token Metadata Field (HIP-765)

### Fixed

-   Raise an error if the transaction is not frozen while signing
-   Undeprecate `AccountBalance.TokenDecimals`, `AccountInfo.TokenRelationships`
-   Account alias for hollow account Mirror Node Queries 

### Deprecated

-   `TokenRelationship.Symbol`, use `TokenInfo.Symbol` instead

## v2.37.0

### Added

-   METADATA key and possibility to update NFT metadata (HIP-657)
-   Fungible Token Metadata Field (HIP-646)
-   NFT Collection Token Metadata Field (HIP-765)
-   updated protobufs

## v2.36.0

### Added

-   Implemented HIP-844 (Add signerNonce field)

## v2.35.0

### Fixed

-   Implemented HIP-745 (Serialize transaction without freezing)

## v2.34.1

### Fixed

-   Fixed bug for fetching nodes from Client.

## v2.34.0

-   Refactored structures `executable`, `transaction` & `query` to define common methods in one place and reduce the code repetition

## v2.32.0

### Added

-   `PopulateAccount` to `AccountID`

## v2.31.0

### Added

-   `MarshalJSON` to `TransactionResponse`, `TransactionReceipt`, `TransactionRecord`
-   `IsApproved` boolean to `Transfer`

## v2.30.0

### Fixed

-   Node/Managed node concurrency issues
-   Serialization issues with `FileAppendTransaction`, `TokenCreateTransaction`, `TopicCreateTransaction`, `TopicMessageSubmitTransaction`

## v2.29.0

### Fixed

-   SDK Panics if node account id not in the network list
-   non-exhaustive switch statement errors for `AccountAllowanceApproveTransaction` and `AccountAllowanceDeleteTransaction`

## v2.28.0

### Added

-   `PopulateAccount` to `AccountID`
-   `PopulateContract` to `ContractID`

### Fixed

-   Data race in `TopicMessageQuery`

## v2.27.0

### Fixed

-   `ContractCreateFlow` to work with larger contract's bytecode

## v2.26.1

### Added

-   `ContractNonces` to `ContractFunctionResult` to support HIP-729

## v2.26.0

### Added

-   `AddInt*BigInt` functions to `ContractFunctionParameters` for sending `big.int`
-   `GetResult` function to `ContractFunctionResult` for parsing result to an interface
-   `GetBigInt` function to `ContractFunctionResult` for parsing result to a `big.int`

### Fixed

-   DER and PEM formats for private and public keys
-   Network concurrency issues
-   Some `ContractFunctionParameters` were sent/received as wrong data/data type

## v2.25.0

### Added

-   Added logging functionality to Client, Transaction and Query

## v2.24.4

### Added

-   Option to create a client from config file without mirror network
-   Finished LegderID implementation

## v2.24.3

### Added

-   Comments on the rest of the functions

## v2.24.2

### Added

-   Comments on `client` and all `query` and `transaction` types

## v2.24.1

### Fixed

-   `TransactionID.String()` will now return the TransactionID string without trimming the leading zeroes

## v2.24.0

### Added

-   Alias support in `AccountCreateTransaction`
-   `CreateAccountWithAliasExample`
-   `CreateAccountWithAliasAndReceiverSignatureRequiredExample`

## v2.23.0

### Added

-   `CustomFractionalFee.SetAssessmentMethod()`
-   `AccountAllowanceApproveTransaction.ApproveTokenNftAllowanceWithDelegatingSpender()`
-   `PrivateKeyFromStringECDSA()`
-   New mirror node endpoints, only 443 port is now supported `mainnet-public.mirrornode.hedera.com:443`,`testnet.mirrornode.hedera.com:443`, `previewnet.mirrornode.hedera.com:443`

### Fixed

-   Minimum query cost can now be less than 25 tinybars
-   `TransactionFromBytes()` now correctly sets transactionValidDuration

### Deprecated

-   `PrivateKeyFromStringECSDA()`

## v2.22.0

### Added

-   Support for HIP-583
-   Example for HIP-583 `account_create_token_transfer` which autocreates an account by sending HBAR to an Etherum Account Address
-   `Mnemonic.ToStandardEd25519PrivateKey` which uses the correct derivation path
-   `Mnemonic.ToStandardECDSAsecp256k1PrivateKey` which uses the correct derivation path

### Deprecated

-   `Mnemonic.ToPrivateKey()` was using incorrect derivation path
-   `PrivateKeyFromMnemonic()` was using incorrect derivation path

## v2.21.0

### Fixed

-   Panic in multiple node account id locking
-   Regenerating transaction id, when not expired
-   Signs more than once per node/transaction
-   Not retrying other nodes when there are multiple nodes are locked
-   Panic when locking multiple nodes
-   Panic when too many nodes are not healthy
-   INVALID_NODE_ACCOUNT error
-   Setting MaxAutomaticTokenAssociations on ContractUpdate even if not set

## v2.20.0

### Added

-   `IsZero()` and `Equals()` in `AccountID`
-   `GetSignedTransactionBodyBytes()` in `Transaction`

## v2.19.0

### Added

-   `SetDefaultMaxQueryPayment` and `SetDefaultMaxTransactionFee` in `Client`

### Fixed

-   Schedule network recursive call
-   Wrongly deprecated `SpenderID` field in `TokenNFTInfo`

## v2.18.0

### Added

-   `CustomFee.AllCollectorsAreExempt`

### Fixed

-   Addressbook Query no logner panics

## v2.17.7

### Added

-   Example for HIP-542
-   Example for HIP-573

### Fixed

-   10 seconds blocking on creating a `Client`

## v2.17.6

### Fixed

-   `NewAccountBallanceQuery` to correctly return account balance

## v2.17.5

### Added

-   Update documentation for `ContractFunction[Parameters|Result]` to show how to use large integer variants
-   Implement `TransactionResponse.ValidateStatus`

## v2.17.4

### Fixed

-   `*Transactions` now don't sign twice

## v2.17.3

### Added

-   `AccountCreateTransaction.[Set|Get]Alias[Key|EvmAddress]()`
-   `ContractCreateFlow.[Set|Get]MaxChunks()`
-   Support for automatically updating networks
-   `Client.[Set|Get]NetworkUpdatePeriod()`
-   `Client` constructor supports `_ScheduleNetworkUpdate` to disable auto updates
-   `task update` for manual address book updating

## v2.17.2

### Fixed

-   Removed deprecated flags for wrongfully deprecated `Client.[Set|Get]LedgerID`
-   Added `SetGrpcDeadline` to `EthereumTransaction` and `TokenUpdateTransaction`
-   Deprecated `LiveHash.Duration` use `LiveHash.LiveHashDuration`
-   Added missing `LiveHashQuery.[Set|Get]MaxRetry`
-   Added missing `TopicInfoQuery.SetPaymentTransactionID`

## v2.17.1

### Deprecated

-   `AccountBalance.[tokens|tokenDecimals]` use a mirror node query instead
-   `AccountInfo.tokenRelationships` use a mirror node query instead
-   `ContractInfo.tokenRelationships` use a mirror node query instead
-   `TokenNftInfo.SpenderID` replaced by `TokenNftInfo.AllowanceSpenderAccountID`

### Fixed

-   `Token[Update|Create]Transaction.KycKey`
-   `TokenCreateTransaction.FreezeDefaul` wasn't being set properly.
-   Requests should retry on `PLATFORM_NOT_ACTIVE`

## v2.17.0

### Added

-   `PrngThansaction`
-   `TransactionRecord.PrngBytes`
-   `TransactionRecord.PrngNumber`
-   `task` runner support

## Deprecated

-   `ContractFunctionResult.ContractStateChanges` with no replacement.

## v2.17.0-beta.1

### Added

-   `PrngThansaction`
-   `TransactionRecord.PrngBytes`
-   `TransactionRecord.PrngNumber`

## Deprecated

-   `ContractFunctionResult.ContractStateChanges` with no replacement.

## v2.16.1

### Added

-   `StakingInfo.PendingHbarReward`

## v2.16.0

### Added

-   `StakingInfo`
-   `AccountCreateTransaction.[Set|Get]StakedAccountID`
-   `AccountCreateTransaction.[Set|Get]StakedNodeID`
-   `AccountCreateTransaction.[Set|Get]DeclineStakingReward`
-   `AccountInfo.StakingInfo`
-   `AccountUpdateTransaction.[Set|Get]StakedAccountID`
-   `AccountUpdateTransaction.[Set|Get]StakedNodeID`
-   `AccountUpdateTransaction.[Set|Get]DeclineStakingReward`
-   `AccountUpdateTransaction.ClearStaked[AccountID|NodeID]`
-   `ContractCreateTransaction.[Set|Get]StakedNodeAccountID`
-   `ContractCreateTransaction.[Set|Get]StakedNodeID`
-   `ContractCreateTransaction.[Set|Get]DeclineStakingReward`
-   `ContractInfo.StakingInfo`
-   `ContractUpdateTransaction.[Set|Get]StakedNodeAccountID`
-   `ContractUpdateTransaction.[Set|Get]StakedNodeID`
-   `ContractUpdateTransaction.[Set|Get]DeclineStakingReward`
-   `ContractUpdateTransaction.ClearStaked[AccountID|NodeID]`
-   `TransactionRecord.PaidStakingRewards`
-   `ScheduleCreateTransaction.[Set|Get]ExpirationTime`
-   `ScheduleCreateTransaction.[Set|Get]WaitForExpiry`
-   Protobuf requests and responses will be logged, for `TRACE`, in hex.

### Fixed

-   `TopicMessageSubmitTransaction` empty `ChunkInfo` would always cause an error

## v2.16.0-beta.1

### Added

-   `StakingInfo`
-   `AccountCreateTransaction.[Set|Get]StakedNodeAccountID`
-   `AccountCreateTransaction.[Set|Get]StakedNodeID`
-   `AccountCreateTransaction.[Set|Get]DeclineStakingReward`
-   `AccountInfo.StakingInfo`
-   `AccountUpdateTransaction.[Set|Get]StakedNodeAccountID`
-   `AccountUpdateTransaction.[Set|Get]StakedNodeID`
-   `AccountUpdateTransaction.[Set|Get]DeclineStakingReward`
-   `ContractCreateTransaction.[Set|Get]StakedNodeAccountID`
-   `ContractCreateTransaction.[Set|Get]StakedNodeID`
-   `ContractCreateTransaction.[Set|Get]DeclineStakingReward`
-   `ContractInfo.StakingInfo`
-   `ContractUpdateTransaction.[Set|Get]StakedNodeAccountID`
-   `ContractUpdateTransaction.[Set|Get]StakedNodeID`
-   `ContractUpdateTransaction.[Set|Get]DeclineStakingReward`
-   `TransactionRecord.PaidStakingRewards`
-   `ScheduleCreateTransaction.[Set|Get]ExpirationTime`
-   `ScheduleCreateTransaction.[Set|Get]WaitForExpiry`

## v2.15.0

### Added

-   `EthereumFlow`
-   `EthereumTransactionData`

### Fixed

-   `Transaction.[From|To]Bytes` would ignore some variables
-   Fixed naming for `Ethereum.SetCallDataFileID()` and `Ethereum.SetMaxGasAllowanceHbar()` to be consistent with other sdks.

# v2.14.0

### Added

-   `ContractCreateTransaction.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractCreateTransaction.[Get|Set]AutoRenewAccountId()`
-   `ContractCreateTransaction.[Get|Set]Bytecode()`
-   `ContractUpdateTransaction.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractUpdateTransaction.[Get|Set|clear]AutoRenewAccountId()`
-   `ContractCreateFlow.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractCreateFlow.[Get|Set]AutoRenewAccountId()`
-   `ContractInfo.AutoRenewAccountID`
-   `ContractDeleteTransaction.[Get|Set]PermanentRemoval`
-   `ContractCallQuery.[Get|Set]SenderID`
-   `ScheduleCreateTransaction.[Get|Set]ExpirationTime`
-   `ScheduleCreateTransaction.[Get|Set]WaitForExpiry`
-   `ScheduleInfo.WaitForExpiry`
-   `EthereumTransaction`
-   `TransactionRecord.EthereumHash`
-   `AccountInfo.EthereumNonce`
-   `AccountID.AliasEvmAddress`
-   `AccountID.AccountIDFromEvmAddress()`
-   `TransactionResponse.Get[Record|Receipt]Query`

## v2.14.0-beta.3

### Fixed

-   `FileUpdateTransaction` and `TopicMessageSubmitTransaction` duplicate transaction errors.
-   `*Transaction.ToBytes()` now properly chunked transactions.

## v2.14.0-beta.2

### Fixed

-   `*Query` payment signatures weren't getting updated after updating body with new random node.

# v2.14.0-beta.1

### Added

-   `ContractCreateTransaction.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractCreateTransaction.[Get|Set]AutoRenewAccountId()`
-   `ContractCreateTransaction.[Get|Set]Bytecode()`
-   `ContractUpdateTransaction.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractUpdateTransaction.[Get|Set|clear]AutoRenewAccountId()`
-   `ContractCreateFlow.[Get|Set]MaxAutomaticTokenAssociations()`
-   `ContractCreateFlow.[Get|Set]AutoRenewAccountId()`
-   `ContractInfo.AutoRenewAccountID`
-   `ContractDeleteTransaction.[Get|Set]PermanentRemoval`
-   `ContractCallQuery.[Get|Set]SenderID`
-   `ScheduleCreateTransaction.[Get|Set]ExpirationTime`
-   `ScheduleCreateTransaction.[Get|Set]WaitForExpiry`
-   `ScheduleInfo.WaitForExpiry`
-   `EthereumTransaction`
-   `TransactionRecord.EthereumHash`
-   `AccountInfo.EthereumNonce`
-   `AccountID.AliasEvmAddress`
-   `AccountID.AccountIDFromEvmAddress()`

## v2.13.4

### Fixed

-   `FileUpdateTransaction` and `TopicMessageSubmitTransaction` duplicate transaction errors.
-   `*Transaction.ToBytes()` now properly chunked transactions.

## v2.13.3

### Fixed

-   `*Query` payment signatures weren't getting updated after updating body with new random node.

## v2.13.2

### Added

-   `*Query.GetMaxQueryPayment()`
-   `*Query.GetQueryPayment()`

### Fixed

-   `*Query.GetPaymentTransactionID()` panic when not set.`
-   Removed unneeded parameter in `AccountDeleteTransaction.GetTransferAccountID()`.
-   `FileUpdateTransaction.GeFileMemo()` is now `FileUpdateTransaction.GetFileMemo()`
-   `TopicMessageSubmitTransaction` failing to send all messages, instead was getting duplicated transaction error.
-   `TopicMessageSubmitTransaction` would panic if no message was set.

## v2.13.1

### Added

-   `TokenNftAllowance.DelegatingSpender`
-   `AccountAllowanceApproveTransaction.AddAllTokenNftApprovalWithDelegatingSpender()`
-   `AccountAllowanceApproveTransaction.ApproveTokenNftAllowanceAllSerialsWithDelegatingSpender()`

## Deprecated

-   `AccountAllowanceAdjustTransaction` with no replacement.
-   `AccountAllowanceDeleteTransaction.DeleteAllTokenAllowances()` with no replacement.
-   `AccountAllowanceDeleteTransaction.DeleteAllHbarAllowances()` with no replacement.
-   `AccountInfo.[Hbar|Toke|Nft]Allowances`, with no replacement.
-   `TransactionRecord.[Hbar|Toke|Nft]Allowances`, with no replacement.

## v2.13.0

### Added

-   `AccountAllowanceDeleteTransaction`
-   `ContractFunctionResult.[gas|hbarAmount|contractFunctionParametersBytes]`
-   `AccountAllowanceExample`
-   `ScheduleTransferExample`

### Deprecated

-   `AccountAllowanceAdjustTransaction.revokeTokenNftAllowance()` with no replacement.
-   `AccountAllowanceApproveTransaction.AddHbarApproval()`, use `ApproveHbarAllowance()` instead.
-   `AccountAllowanceApproveTransaction.ApproveTokenApproval()`, use `GrantTokenNftAllowance()` instead.
-   `AccountAllowanceApproveTransaction.ApproveTokenNftApproval()`, use `ApproveTokenNftAllowance()` instead.

### Fixed

-   `*Transaction.GetTransactionID()` panic when not set.
-   `Transaction.Freeze()` now properly sets NodeAccountIDs
-   `*Query` payment transaction now properly contains the right NodeAccountIDs.

## v2.13.0-beta.1

### Added

-   `AccountAllowanceDeleteTransaction`
-   `ContractFunctionResult.[gas|hbarAmount|contractFunctionParametersBytes]`
-   `AccountAllowanceExample`
-   `ScheduleTransferExample`

### Deprecated

-   `AccountAllowanceAdjustTransaction.revokeTokenNftAllowance()` with no replacement.
-   `AccountAllowanceApproveTransaction.AddHbarApproval()`, use `ApproveHbarAllowance()` instead.
-   `AccountAllowanceApproveTransaction.ApproveTokenApproval()`, use `GrantTokenNftAllowance()` instead.
-   `AccountAllowanceApproveTransaction.ApproveTokenNftApproval()`, use `ApproveTokenNftAllowance()` instead.

## v2.12.0

### Added

-   `AccountInfoFlowVerify[Signature|Transaction]()`
-   `Client.[Set|Get]NodeMinReadmitPeriod()`
-   Support for using any node from the entire network upon execution
    if node account IDs have no been locked for the request.
-   Support for all integer widths for `ContractFunction[Result|Selector|Params]`

### Fixed

-   Ledger ID checksums
-   `TransactionFromBytes()` should validate all the transaction bodies are the same

### Changed

-   Network behavior to follow a more standard approach (remove the sorting we
    used to do).

## v2.12.0-beta.1

### Added

-   `AccountInfoFlowVerify[Signature|Transaction]()`
-   `Client.[Set|Get]NodeMinReadmitPeriod()`
-   Support for using any node from the entire network upon execution
    if node account IDs have no been locked for the request.
-   Support for all integer widths for `ContractFunction[Result|Selector|Params]`

### Fixed

-   Ledger ID checksums
-   `TransactionFromBytes()` should validate all the transaction bodies are the same

### Changed

-   Network behavior to follow a more standard approach (remove the sorting we
    used to do).

## v2.11.0

### Added

-   `ContractCreateFlow`
-   `Query.[Set|Get]PaymentTransactionID`
-   Verbose logging using zerolog
-   `*[Transaction|Query].[Set|Get]GrpcDeadline()`
-   `TransactionRecord.[hbar|Token|TokenNft]AllowanceAdjustments`
-   `TransferTransaction.AddApproved[Hbar|Token|Nft]Transfer()`
-   `AccountAllowanceApproveTransaction.Approve[Hbar|Token|TokenNft]Allowance()`
-   `AccountAllowanceAdjustTransaction.[Grant|Revoke][Hbar|Token|TokenNft]Allowance()`
-   `AccountAllowanceAdjustTransaction.[Grant|Revoke]TokenNftAllowanceAllSerials()`

### Fixed

-   `HbarAllowance.OwnerAccountID`, wasn't being set.
-   Min/max backoff for nodes should start at 8s to 60s
-   The current backoff for nodes should be used when sorting inside of network
    meaning nodes with a smaller current backoff will be prioritized
-   `TopicMessageQuery` start time should have a default

### Deprecated

-   `AccountUpdateTransaction.[Set|Get]AliasKey`

### Removed

-   `Account[Approve|Adjust]AllowanceTransaction.Add[Hbar|Token|TokenNft]AllowanceWithOwner()`

## v2.11.0-beta.1

### Added

-   `ContractCreateFlow`
-   `Account[Approve|Adjust]AllowanceTransaction.add[Hbar|Token|TokenNft]AllowanceWithOwner()`
-   `Query.[Set|Get]PaymentTransactionID`
-   Verbose logging using zerolog
-   `*[Transaction|Query].[Set|Get]GrpcDeadline()`

### Fixed

-   `HbarAllowance.OwnerAccountID`, wasn't being set.
-   Min/max backoff for nodes should start at 8s to 60s
-   The current backoff for nodes should be used when sorting inside of network
    meaning nodes with a smaller current backoff will be prioritized

### Deprecated

-   `AccountUpdateTransaction.[Set|Get]AliasKey`

## v2.10.0

### Added

-   `owner` field to `*Allowance`.
-   Added free `AddressBookQuery`.

### Fixed

-   Changed mirror node port to correct one, 443.
-   Occasional ECDSA invalid length error.
-   ContractIDFromString() now sets EvmAddress correctly to nil, when evm address is not detected

## v2.10.0-beta.1

### Added

-   `owner` field to `*Allowance`.
-   Added free `AddressBookQuery`.

### Fixed

-   Changed mirror node port to correct one, 443.

## v2.9.0

### Added

-   CREATE2 Solidity addresses can now be represented by a `ContractId` with `EvmAddress` set.
-   `ContractId.FromEvmAddress()`
-   `ContractFunctionResult.StateChanges`
-   `ContractFunctionResult.EvmAddress`
-   `ContractStateChange`
-   `StorageChange`
-   New response codes.
-   `ChunkedTransaction.[Set|Get]ChunkSize()`, and changed default chunk size for `FileAppendTransaction` to 2048.
-   `AccountAllowance[Adjust|Approve]Transaction`
-   `AccountInfo.[hbar|token|tokenNft]Allowances`
-   `[Hbar|Token|TokenNft]Allowance`
-   `[Hbar|Token|TokenNft]Allowance`
-   `TransferTransaction.set[Hbar|Token|TokenNft]TransferApproval()`

### Fixed

-   Requests not cycling though nodes.
-   Free queries not attempting to retry on different nodes.

### Deprecated

-   `ContractId.FromSolidityAddress()`, use `ContractId.FromEvmAddress()` instead.
-   `ContractFunctionResult.CreatedContractIDs`.

## v2.9.0-beta.2

### Added

-   CREATE2 Solidity addresses can now be represented by a `ContractId` with `EvmAddress` set.
-   `ContractId.FromEvmAddress()`
-   `ContractFunctionResult.StateChanges`
-   `ContractFunctionResult.EvmAddress`
-   `ContractStateChange`
-   `StorageChange`
-   New response codes.
-   `ChunkedTransaction.[Set|Get]ChunkSize()`, and changed default chunk size for `FileAppendTransaction` to 2048.
-   `AccountAllowance[Adjust|Approve]Transaction`
-   `AccountInfo.[hbar|token|tokenNft]Allowances`
-   `[Hbar|Token|TokenNft]Allowance`
-   `[Hbar|Token|TokenNft]Allowance`
-   `TransferTransaction.set[Hbar|Token|TokenNft]TransferApproval()`

### Fixed

-   Requests not cycling though nodes.
-   Free queries not attempting to retry on different nodes.

### Deprecated

-   `ContractId.FromSolidityAddress()`, use `ContractId.FromEvmAddress()` instead.
-   `ContractFunctionResult.CreatedContractIDs`.

## v2.9.0-beta.1

### Added

-   CREATE2 Solidity addresses can now be represented by a `ContractId` with `EvmAddress` set.
-   `ContractId.FromEvmAddress()`
-   `ContractFunctionResult.StateChanges`
-   `ContractFunctionResult.EvmAddress`
-   `ContractStateChange`
-   `StorageChange`
-   New response codes.
-   `ChunkedTransaction.[Set|Get]ChunkSize()`, and changed default chunk size for `FileAppendTransaction` to 2048.
-   `AccountAllowance[Adjust|Approve]Transaction`
-   `AccountInfo.[hbar|token|tokenNft]Allowances`
-   `[Hbar|Token|TokenNft]Allowance`
-   `[Hbar|Token|TokenNft]Allowance`
-   `TransferTransaction.set[Hbar|Token|TokenNft]TransferApproval()`

### Fixed

-   Requests not cycling though nodes.
-   Free queries not attempting to retry on different nodes.

### Deprecated

-   `ContractId.FromSolidityAddress()`, use `ContractId.FromEvmAddress()` instead.
-   `ContractFunctionResult.CreatedContractIDs`.

## v2.8.0

### Added

-   Support for regenerating transaction IDs on demand if a request
    responses with `TRANSACITON_EXPIRED`

## v2.8.0-beta.1

### Added

-   Support for regenerating transaction IDs on demand if a request
    responses with `TRANSACITON_EXPIRED`

## v2.7.0

### Added

-   `AccountId.AliasKey`, including `AccountId.[From]String()` support.
-   `[PublicKey|PrivateKey].ToAccountId()`.
-   `AliasKey` fields in `TransactionRecord` and `AccountInfo`.
-   `Nonce` field in `TransactionId`, including `TransactionId.[set|get]Nonce()`
-   `Children` fields in `TransactionRecord` and `TransactionReceipt`
-   `Duplicates` field in `TransactionReceipt`
-   `[TransactionReceiptQuery|TransactionRecordQuery].[Set|Get]IncludeChildren()`
-   `TransactionReceiptQuery.[Set|Get]IncludeDuplicates()`
-   New response codes.
-   Support for ECDSA SecP256K1 keys.
-   `PrivateKeyGenerate[ED25519|ECDSA]()`
-   `[Private|Public]KeyFrom[Bytes|String][DER|ED25519|ECDSA]()`
-   `[Private|Public]Key.[Bytes|String][Raw|DER]()`
-   `DelegateContractId`
-   `*Id.[from|to]SolidityAddress()`

### Deprecated

-   `PrivateKeyGenerate()`, use `PrivateKeyGenerate[ED25519|ECDSA]()` instead.

## v2.7.0-beta.1

### Added

-   `AccountId.AliasKey`, including `AccountId.[From]String()` support.
-   `[PublicKey|PrivateKey].ToAccountId()`.
-   `AliasKey` fields in `TransactionRecord` and `AccountInfo`.
-   `Nonce` field in `TransactionId`, including `TransactionId.[set|get]Nonce()`
-   `Children` fields in `TransactionRecord` and `TransactionReceipt`
-   `Duplicates` field in `TransactionReceipt`
-   `[TransactionReceiptQuery|TransactionRecordQuery].[Set|Get]IncludeChildren()`
-   `TransactionReceiptQuery.[Set|Get]IncludeDuplicates()`
-   New response codes.
-   Support for ECDSA SecP256K1 keys.
-   `PrivateKeyGenerate[ED25519|ECDSA]()`
-   `[Private|Public]KeyFrom[Bytes|String][DER|ED25519|ECDSA]()`
-   `[Private|Public]Key.[Bytes|String][Raw|DER]()`

### Deprecated

-   `PrivateKeyGenerate()`, use `PrivateKeyGenerate[ED25519|ECDSA]()` instead.

## v2.6.0

### Added

-   New smart contract response codes

### Deprecated

-   `ContractCallQuery.[Set|Get]MaxResultSize()`
-   `ContractUpdateTransaction.[Set|Get]ByteCodeFileID()`

## v2.6.0-beta.1

### Added

-   New smart contract response codes

### Deprecated

-   `ContractCallQuery.[Set|Get]MaxResultSize()`
-   `ContractUpdateTransaction.[Set|Get]ByteCodeFileID()`

## v2.5.1

### Fixed

-   `TransferTransaction.GetTokenTransfers()`
-   `TransferTransaction.AddTokenTransfer()`
-   Persistent error not being handled correctly
-   `TransactionReceiptQuery` should return even on a bad status codes.
    Only \*.GetReceipt()`should error on non`SUCCESS` status codes

## v2.5.1-beta.1

### Changed

-   Refactored and updated node account ID handling to err whenever a node account ID of 0.0.0 is being set

## v2.5.0-beta.1

### Deprecated

-   `ContractCallQuery.[Set|Get]MaxResultSize()`
-   `ContractUpdateTransaction.[Set|Get]ByteCodeFileID()`

## v2.5.0

### Fixed

-   `TransactionReceiptQuery` should fill out `TransactionReceipt` even when a bad `Status` is returned

## v2.4.1

### Fixed

-   `TransferTransaction` should serialize the transfers list deterministically

## v2.4.0

### Added

-   Support for toggling TLS for both mirror network and services network

## v2.3.0

### Added

-   `FreezeType`
-   `FreezeTransaction.[get|set]FreezeType()`

## v2.3.0-beta 1

### Added

-   Support for HIP-24 (token pausing)
    -   `TokenInfo.PauseKey`
    -   `TokenInfo.PauseStatus`
    -   `TokenCreateTransaction.PauseKey`
    -   `TokenUpdateTransaction.PauseKey`
    -   `TokenPauseTransaction`
    -   `TokenUnpauseTransaction`

## v2.2.0

### Added

-   Support for automatic token associations
    -   `TransactionRecord.AutomaticTokenAssociations`
    -   `AccountInfo.MaxAutomaticTokenAssociations`
    -   `AccountCreateTransaction.MaxAutomaticTokenAssociations`
    -   `AccountUpdateTransaction.MaxAutomaticTokenAssociations`
    -   `TokenRelationship.AutomaticAssociation`
    -   `TokenAssociation`
-   `Transaction*` helper methods - should make it easier to use the result of `TransactionFromBytes()`

### Fixed

-   TLS now properly confirms certificate hashes
-   `TokenUpdateTransaction.GetExpirationTime()` returns the correct time
-   Several `*.Get*()` methods required a parameter similiar to `*.Set*()`
    This has been changed completely instead of deprecated because we treated this as hard bug
-   Several `nil` dereference issues related to to/from protobuf conversions

## v2.2.0-beta.1

### Added

-   Support for automatic token associations
    -   `TransactionRecord.AutomaticTokenAssociations`
    -   `AccountInfo.MaxAutomaticTokenAssociations`
    -   `AccountCreateTransaction.MaxAutomaticTokenAssociations`
    -   `AccountUpdateTransaction.MaxAutomaticTokenAssociations`
    -   `TokenRelationship.AutomaticAssociation`
    -   `TokenAssociation`

## v2.1.16

### Added

-   Support for TLS
-   Setters which follow the builder pattern to `Custom*Fee`
-   `Client.[min|max]Backoff()` support

### Deprecated

-   `TokenNftInfoQuery.ByNftID()` - use `TokenNftInfoQuery.SetNftID()` instead
-   `TokenNftInfoQuery.[By|Set|Get]AccountId()` with no replacement
-   `TokenNftInfoQuery.[By|Set|Get]TokenId()` with no replacement
-   `TokenNftInfoQuery.[Set|Get]Start()` with no replacement
-   `TokenNftInfoQuery.[Set|Get]End()` with no replacement

## v2.1.15

### Fixed

-   `AssessedCustomFee.PayerAccountIDs` was misspelled

## v2.1.14

### Added

-   Support for `CustomRoyaltyFee`
-   Support for `AssessedCustomFee.payerAccountIds`

### Fixed

-   `nil` dereference issues within `*.validateNetworkIDs()`

## v2.1.13

### Added

-   Implement `Client.pingAll()`
-   Implement `Client.SetAutoChecksumValidation()` which validates all entity ID checksums on requests before executing

### Fixed

-   nil dereference errors when decoding invalid PEM files

## v2.1.12

### Added

-   Updated `Status` with new response codes
-   Support for `Hbar.[from|to]String()` to be reversible

## v2.1.11

### Removed

-   `*.AddCustomFee()` use `*.SetCustomFees()` instead

### Changes

-   Update `Status` with new codes

### Fixes

-   `PrivateKey.LegacyDerive()` should correctly handle indicies

## v2.1.11-beta.1

### Added

-   Support for NFTS
    -   Creating NFT tokens
    -   Minting NFTs
    -   Burning NFTs
    -   Transfering NFTs
    -   Wiping NFTs
    -   Query NFT information
-   Support for Custom Fees on tokens:
    -   Setting custom fees on a token
    -   Updating custom fees on an existing token

## v2.1.10

### Added

-   All requests should retry on gRPC error `INTERNAL` if the message contains `RST_STREAM`
-   `AccountBalance.Tokens` as a replacement for `AccountBalance.Token`
-   `AccountBalance.TokenDecimals`
-   All transactions will now `sign-on-demand` which should result in improved performance

### Fixed

-   `TopicMessageQuery` not calling `Unsubscribe` when a stream is cancelled
-   `TopicMessageQuery` should add 1 nanosecond to the `StartTime` of the last received message
-   `TopicMessageQuery` allocate space for entire chunked message ahead of time
    for retries
-   `TokenDeleteTransaction.SetTokenID()` incorrectly setting `tokenID` resulting in `GetTokenID()` always returning an empty `TokenID`
-   `TransferTransaction.GetTokenTransfers()` incorrectly setting an empty value

### Deprecated

-   `AccountBalance.Token` use `AccountBalance.Tokens` instead

## v2.1.9

### Fixed

-   `Client.SetMirroNetwork()` producing a nil pointer exception on next use of a mirror network
-   Mirror node TLS no longer producing nil pointer exception

## v2.1.8

### Added

-   Support TLS for mirror node connections.
-   Support for entity ID checksums which are validated whenever a request begins execution.
    This includes the IDs within the request, the account ID within the transaction ID, and
    query responses will contain entity IDs with a checksum for the network the query was executed on.

### Fixed

-   `TransactionTransaction.AddHbarTransfer()` incorrectly determine total transfer per account ID

## v2.1.7

### Fixed

-   `TopicMessageQuery.MaxBackoff` was not being used at all
-   `TopicMessageQuery.Limit` was being incorrectly update with full `TopicMessages` rather than per chunk
-   `TopicMessageQuery.StartTime` was not being updated each time a message was received
-   `TopicMessageQuery.CompletionHandler` was be called at incorrect times
-   Removed the use of locks and `sync.Map` within `TopicMessageQuery` as it is unncessary
-   Added default logging to `ErrorHandler` and `CompletionHandler`

## v2.1.6

-   Support for `MaxBackoff`, `MaxAttempts`, `RetryHandler`, and `CompletionHandler` in `TopicMessageQuery`
-   Default logging behavior to `TopicMessageQuery` if an error handler or completion handler was not set

### Fixed

-   Renamed `ScheduleInfo.Signers` -> `ScheduleInfo.Signatories`
-   `TopicMessageQuery` retry handling; this should retry on more gRPC errors
-   `TopicMessageQuery` max retry timeout; before this would could wait up to 4m with no feedback
-   `durationFromProtobuf()` incorrectly calculation duration
-   `*Token.GetAutoRenewPeriod()` and `*Token.GetExpirationTime()` nil dereference
-   `Hbar.As()` using multiplication instead of division, and should return a `float64`

### Added

-   Exposed `Hbar.Negated()`

## v2.1.5

###

-   Scheduled transaction support: `ScheduleCreateTransaction`, `ScheduleDeleteTransaction`, and `ScheduleSignTransaction`
-   Non-Constant Time Comparison of HMACs [NCC-E001154-006]
-   Decreased `CHUNK_SIZE` 4096->1024 and increased default max chunks 10->20

## v2.1.5-beta.5

### Fixed

-   Non-Constant Time Comparison of HMACs [NCC-E001154-006]
-   Decreased `CHUNK_SIZE` 4096->1024 and increased default max chunks 10->20
-   Renamed `ScheduleInfo.GetTransaction()` -> `ScheduleInfo.getScheduledTransaction()`

## v2.1.5-beta.4

### Fixed

-   `Transaction.Schedule()` should error when scheduling un-scheduable tranasctions

### Removed

-   `nonce` from `TransactionID`
-   `ScheduleTransactionBody` - should not be part of the public API

## v2.1.5-beta.3

### Fixed

-   `Transaction[Receipt|Record]Query` should not error for status `IDENTICAL_SCHEDULE_ALREADY_CREATED`
    because the other fields on the receipt are present with that status.
-   `ErrHederaReceiptStatus` should print `exception receipt status ...` instead of
    `exception precheck status ...`

## v2.1.5-beta.2

### Fixed

-   Executiong should retry on status `PLATFORM_TRANSACTION_NOT_CREATED`
-   Error handling throughout the SDK
    -   A precheck error shoudl be returned when the exceptional status is in the header
    -   A receipt error should be returned when the exceptional status is in the receipt
-   `TransactionRecordQuery` should retry on node precheck code `OK` only if we're not
    getting cost of query.
-   `Transaction[Receipt|Record]Query` should retry on both `RECEIPT_NOT_FOUND` and
    `RECORD_NOT_FOUND` status codes when node precheck code is `OK`

## v2.1.5-beta.1

### Fixed

-   Updated scheduled transaction to use new HAPI porotubfs

### Removed

-   `ScheduleCreateTransaction.AddScheduledSignature()`
-   `ScheduleCreateTransaction.GetScheduledSignatures()`
-   `ScheduleSignTransaction.addScheduledSignature()`
-   `ScheduleSignTransaction.GetScheduledSignatures()`

## v2.x

### Added

-   Support for scheduled transactions.
    -   `ScheduleCreateTransaction` - Create a new scheduled transaction
    -   `ScheduleSignTransaction` - Sign an existing scheduled transaction on the network
    -   `ScheduleDeleteTransaction` - Delete a scheduled transaction
    -   `ScheduleInfoQuery` - Query the info including `bodyBytes` of a scheduled transaction
    -   `ScheduleId`
-   Support for scheduled and nonce in `TransactionId`
    -   `TransactionIdWithNonce()` - Supports creating transaction ID with random bytes.
    -   `TransactionId.[Set|Get]Scheduled()` - Supports scheduled transaction IDs.
-   `TransactionIdWithValidStart()`

### Fixed

-   Updated protobufs [#120](https://github.com/hashgraph/hedera-sdk-go/issues/120)

### Deprecate

-   `NewTransactionId()` - Use `TransactionIdWithValidStart()` instead.

## v2.0.0

### Changes

-   All requests support getter methods as well as setters.
-   All requests support multiple node account IDs being set.
-   `TransactionFromBytes()` supports multiple node account IDs and existing
    signatures.
-   All requests support a max retry count using `SetMaxRetry()`