Unicorn Ultra
  • Welcome to unicorn ultra — let’s build the future
  • Getting Started
    • Introduction
    • Environment Setup
    • Create an Account
    • Transfer U2U
    • Query Ledger Data
  • Tutorials
    • Smart Contracts
      • Deploy Your First Smart Contract
      • Deploy a Contract Using the Hedera Token Service
      • Send and Receive HBAR Using Solidity Smart Contracts
      • Create an HBAR Faucet App Using React and MetaMask
      • Deploy By Leveraging Ethereum Developer Tools On Hedera
      • Deploy a Smart Contract Using Hardhat
      • Deploy a Subgraph Using The Graph and JSON-RPC
      • How to Set Up Foundry to Test Smart Contracts on Hedera
      • Deploy Smart Contracts on Hedera Using Truffle
    • Consensus
      • Submit Your First Message
      • Submit Message to Private Topic
      • Query Messages with Mirror Node
    • Tokens
      • Create and Transfer Your First NFT
      • Create and Transfer Your First Fungible Token
      • Create and Transfer an NFT using a Solidity Contract
      • Structure Your Token Metadata Using JSON Schema V2
    • More Tutorials
      • How to Auto-Create Hedera Accounts with HBAR and Token Transfers
      • How to Configure a Mirror Node and Query Data
      • How to Generate a Random Number on Hedera
      • Get Started with the Hedera Consensus Service Fabric Plugin
        • Virtual Environment Setup
      • Schedule Your First Transaction
      • How to Connect to Hedera Networks Over RPC
        • Configuring Hashio RPC endpoints
        • Configuring Arkhia RPC endpoints
        • Configuring Hedera JSON-RPC Relay endpoints
    • Demo Applications
    • Starter Projects
  • Networks
    • Mainnet
      • Mainnet Accounts
      • Mainnet Consensus Nodes
        • Node Requirements
          • Reference Configuration
          • FAQ
      • Fees
        • Transaction Records
    • Testnets
      • Testnet Accounts
      • Testnet Consensus Nodes
    • Network Explorers and Tools
    • Release Notes
      • Hedera Services
      • Hedera Mirror Node
  • Core Concepts
    • Accounts
      • Account Creation
      • Auto Account Creation
      • Account Properties
    • Keys and Signatures
    • Scheduled Transaction
    • Smart Contracts
      • Hyperledger Besu EVM
      • Gas and Fees
      • Solidity Variables and Opcodes
      • Supported ERC Token Standards
      • Hedera Services Integration with Smart Contracts
      • JSON-RPC Relay
      • Hethers
      • Smart Contract Security
    • Staking
      • Staking Program
      • Stake HBAR
    • Hashgraph Consensus Algorithm
      • Gossip About Gossip
      • Virtual Voting
    • Transactions and Queries
    • State and History
    • Mirror Nodes
      • Hedera Mirror Node
      • One Click Mirror Node Deployment
      • Run Your Own Mirror Node
        • Run Your Own Mirror Node with Google Cloud Storage (GCS)
        • Run Your Mirror Node with Amazon Web Services S3 (AWS)
      • Hedera ETL
  • SDKs & APIs
    • SDKs
      • Build Your Hedera Client
      • Set Up Your Local Network
      • Network Address Book
      • Keys
        • Generate a new key pair
        • Import an existing key
        • Create a key list
        • Create a threshold key
        • Generate a mnemonic phrase
        • Recover keys from a mnemonic phrase
      • HBAR
      • Specialized Types
      • Pseudorandom Number Generator
      • Transactions
        • Transaction ID
        • Modify transaction fields
        • Create an unsigned transaction
        • Manually sign a transaction
        • Submit a transaction
        • Sign a multisignature transaction
        • Get a transaction receipt
        • Get a transaction record
      • Schedule Transaction
        • Schedule ID
        • Create a scheduled transaction
        • Sign a scheduled transaction
        • Delete a scheduled transaction
        • Get schedule info
        • Network Response Messages
        • Schedule FAQ
      • Queries
      • General Network Response Messages
      • Accounts and HBAR
        • Create an account
        • Update an account
        • Transfer cryptocurrency
        • Approve an allowance
        • Delete an allowance
        • Delete an account
        • Get account balance
        • Get account info
        • Network Response Messages
      • Consensus Service
        • Create a topic
        • Update a topic
        • Submit a message
        • Delete a topic
        • Get topic messages
        • Get topic info
        • Network Response
      • Token Service
        • Token ID
        • NFT ID
        • Token types
        • Create a token
        • Custom token fees
        • Update a token
        • Update token custom fees
        • Transfer tokens
        • Delete a token
        • Mint a token
        • Burn a token
        • Freeze an account
        • Unfreeze an account
        • Enable KYC account flag
        • Disable KYC account flag
        • Associate tokens to an account
        • Dissociate tokens from an account
        • Pause a token
        • Unpause a token
        • Wipe a token
        • Atomic swaps
        • Get account token balance
        • Get token info
        • Get NFT info
        • Network Response Messages
      • File Service
        • Create a file
        • Append to a file
        • Update a file
        • Delete a file
        • Get file contents
        • Get file info
        • Network Response Messages
      • Smart Contract Service
        • Delegate Contract ID
        • Create a smart contract
        • Update a smart contract
        • Delete a smart contract
        • Call a smart contract function
        • Ethereum transaction
        • Get a smart contract function
        • Get smart contract bytecode
        • Get smart contract info
        • Hedera Service Solidity Libraries
        • Network Response Messages
      • Signature Provider
        • Provider
        • Signer
        • Wallet
        • Local Provider
    • REST API
    • Hedera Consensus Service gRPC API
    • Hedera APIs
      • Basic Types
        • AccountAmount
        • AccountID
        • ContractID
        • CryptoAllowance
        • CurrentAndNextFeeSchedule
        • FeeComponents
        • FeeData
        • FeeSchedule
        • FileID
        • Fraction
        • HederaFunctionality
        • Key
        • KeyList
        • NftAllowance
        • NftTransfer
        • NodeAddress
        • NodeAddressBook
        • RealmID
        • ScheduleID
        • SemanticVersion
        • ServicesConfigurationList
        • ServiceEndpoint
        • Setting
        • ShardID
        • Signature
        • SignatureList
        • SignatureMap
        • SignaturePair
        • SubType
        • TransferList
        • TransactionID
        • ThresholdKey
        • ThresholdSignature
        • TokenAllowance
        • TokenBalance
        • TokenBalances
        • TokenFreezeStatus
        • TokenPauseStatus
        • TokenID
        • TokenKycStatus
        • TokenRelationship
        • TokenTransferList
        • TokenType
        • TokenSupplyType
        • TopicID
        • TransactionFeeSchedule
      • Cryptocurrency Accounts
        • CryptoService
        • CryptApproveAllowance
        • CryptoDeleteAllowance
        • CryptoCreate
        • CryptoTransfer
        • CryptoUpdate
        • CryptoDelete
        • CryptoGetAccountBalance
        • CryptoGetAccountRecords
        • CryptoGetInfo
        • CryptoGetStakers
      • Consensus Service
        • Consensus Service
        • ConsensusCreateTopic
        • ConsensusUpdateTopic
        • ConsensusSubmitMessage
        • ConsensusDeleteTopic
        • ConsensusTopicInfo
        • ConsensusGetTopicInfo
      • Schedule Service
        • ScheduleService
        • SchedulableTransactionBody
        • ScheduleCreate
        • ScheduleDelete
        • ScheduleSign
        • ScheduleGetInfo
      • Token Service
        • TokenService
        • CustomFees
          • AssessedCustomFee
          • CustomFee
          • FractionalFee
          • FixedFee
          • RoyaltyFee
        • TokenCreate
        • TokenUpdate
        • TokenFeeScheduleUpdate
        • TokenDelete
        • TokenMint
        • TokenBurn
        • TokenFreezeAccount
        • TokenUnfreezeAccount
        • TokenGrantKyc
        • TokenRevokeKyc
        • TokenAssociate
        • TokenDissociate
        • TokenWipeAccount
        • TokenPause
        • TokenUnpause
        • TokenGetInfo
        • TokenGetNftInfo
        • TokenGetNftInfos
        • TokenGetAccountNftInfo
      • File Service
        • FileService
        • FileCreate
        • FileAppend
        • FileUpdate
        • FileDelete
        • FileGetContents
        • FileGetInfo
      • Smart Contracts
        • SmartContractService
        • ContractCall
        • ContractCallLocal
        • ContractCreate
        • ContractUpdate
        • ContractDelete
        • ContractGetByteCode
        • ContractGetInfo
        • ContractGetRecords
      • Miscellaneous
        • Duration
        • ExchangeRate
        • Freeze
        • FreezeType
        • GetByKey
        • GetBySolidityID
        • NetworkGetVersionInfo
        • NetworkService
        • Query
        • QueryHeader
        • Response
        • ResponseCode
        • ResponseHeader
        • SystemDelete
        • SystemUndelete
        • TimeStamp
        • Transaction
        • TransactionBody
        • TransactionContents
        • TransactionGetFastRecord
        • TransactionGetReceipt
        • TransactionGetRecord
        • TransactionReceipt
        • TransactionRecord
        • TransactionResponse
        • UncheckedSubmit
    • Deprecated
      • SDKs (V1)
        • Build your Hedera client
        • Set-up Your Local Network
        • Network address book
        • Keys
          • Generate a new key pair
          • Import an existing key
          • Create a key list
          • Create a threshold key
          • Generate a mnemonic phrase
          • Recover keys from a mnemonic phrase
        • Hbars
        • Specialized Types
        • Pseudorandom Number Generator
        • Transactions
          • Transaction ID
          • Modify transaction fields
          • Create an unsigned transaction
          • Manually sign a transaction
          • Submit a transaction
          • Sign a multisignature transaction
          • Get a transaction receipt
          • Get a transaction record
        • Scheduled Transaction
          • Schedule ID
          • Create a scheduled transaction
          • Sign a scheduled transaction
          • Delete a scheduled transaction
          • Get schedule info
          • Network Response Messages
          • Schedule FAQ
        • Queries
        • General Network Response Messages
        • Accounts and hbar
          • Create an account
          • Update an Account
          • Transfer cryptocurrency
          • Approve an allowance
          • Delete an allowance
          • Delete an account
          • Get account balance
          • Get account info
          • Network Response Messages
        • Consensus Service
          • Create a topic
          • Update a topic
          • Submit a message
          • Delete a topic
          • Get topic messages
          • Get topic info
        • Token Service
          • Token ID
          • NFT ID
          • Token types
          • Create a token
          • Custom token fees
          • Update a token
          • Update token custom fees
          • Transfer tokens
          • Delete a token
          • Mint a token
          • Burn a token
          • Freeze an account
          • Unfreeze an account
          • Enable KYC account flag
          • Disable KYC account flag
          • Associate tokens to an account
          • Dissociate tokens from an account
          • Pause a token
          • Unpause a token
          • Wipe a token
          • Atomic swaps
          • Get account token balance
          • Get token info
          • Get NFT info
          • Network Response Messages
        • File Service
          • Create a file
          • Append to a file
          • Update a file
          • Delete a file
          • Get file contents
          • Get file info
          • Network Response Messages
  • Support & Community
    • Glossary
    • Discord
    • GitHub
    • Stack Overflow
    • Hedera Blog
    • Bug Bounty
    • Hedera Help
    • Meetups
    • Contributing Guide
    • Brand Guidelines
    • Status Page
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  1. SDKs & APIs
  2. Hedera APIs
  3. Miscellaneous

SystemUndelete

PreviousSystemDeleteNextTimeStamp

Last updated 1 year ago

SystemUndeleteTransactionBody

Undelete a file or smart contract that was deleted by SystemDelete; requires a Hedera administrative multisignature.

Field
Type
Description

id

one of:

fileID

The file ID to undelete, in the format used in transactions

contractID

The contract ID instance to undelete, in the format used in transactions

FileID
ContractID