Transaction class

Annotations
  • @freezed

Constructors

Transaction({@AddressJsonConverter() Address? address, Balance? balance, int? chainLength, @Default([]) List<CrossValidationStamp> crossValidationStamps, Data? data, @Default([]) List<TransactionInput> inputs, String? originSignature, @AddressJsonConverter() Address? previousAddress, String? previousPublicKey, String? previousSignature, String? type, ValidationStamp? validationStamp, @Default(cVersion) int version})
const
factory
Transaction.fromJson(Map<String, dynamic> json)
factory

Properties

address → Address?
  • Address: hash of the new generated public key for the given transaction
    • no setterinherited
    balance → Balance?
  • Balance represents a ledger balance
    • no setterinherited
    chainLength → int?
  • Length of the chain
    • no setterinherited
    copyWith → $TransactionCopyWith<Transaction>
    no setterinherited
    crossValidationStamps → List<CrossValidationStamp>
  • Cross validation stamps: endorsements of the validation stamp from the coordinator
    • no setterinherited
    data → Data?
  • Data: transaction data zone (identity, keychain, smart contract, etc.)
    • no setterinherited
    hashCode → int
    The hash code for this object.
    no setterinherited
    inputs → List<TransactionInput>
  • TransactionInput represents the inputs from the transaction
    • no setterinherited
    originSignature → String?
  • Origin signature: signature from the device which originated the transaction (used in the Proof of work)
    • no setterinherited
    previousAddress → Address?
  • Previous address
    • no setterinherited
    previousPublicKey → String?
  • Previous public key: previous generated public key matching the previous signature
    • no setterinherited
    previousSignature → String?
  • Previous signature: signature from the previous public key
    • no setterinherited
    runtimeType → Type
    A representation of the runtime type of the object.
    no setterinherited
    type → String?
  • Type: transaction type
    • no setterinherited
    validationStamp → ValidationStamp?
  • ValidationStamp: coordinator work result
    • no setterinherited
    version → int
  • Version: version of the transaction (used for backward compatiblity)
    • no setterinherited

    Methods

    addOwnership(String secret, List<AuthorizedKey> authorizedKeys) → Transaction
    Add an ownership with a secret and its authorized public keys @param {String} secret Secret encrypted (hexadecimal) @param {List
    addRecipient(String to, {String? action, List<Object>? args}) → Transaction
    Add recipient to the transaction (with a named action) @param {String} to Recipient address (hexadecimal) @param {string} action The named action @param {List
    addTokenTransfer(String to, int amount, String tokenAddress, {int tokenId = 0}) → Transaction
    Add a token transfer to the transaction @param {String} to Address of the recipient (hexadecimal) @param {int} amount Amount of token to transfer @param {String} tokenAddress Address of token to spend (hexadecimal) @param {int} tokenId ID of the token to use (default to 0)
    addUCOTransfer(String to, int amount) → Transaction
    Add a UCO transfer to the transaction @param {String} to Address of the recipient (hexadecimal) @param {int} amount Amount of UCO to transfer
    build(String seed, int index, {String? curve = 'ed25519', String? hashAlgo = 'sha256', bool isSeedHexa = true}) → ({KeyPair keyPair, Transaction transaction})
    Generate the transaction address, keys and signatures @param {String} seed Transaction chain seed (hexadecimal or binary buffer) @param {int} index Number of transaction on the chain @param {String} curve Elliptic curve to use for the key generation @param {String} hashAlgo Hash algorithm to use for the address generation
    convertToJSON() → String
    Convert the transaction in JSON
    noSuchMethod(Invocation invocation) → dynamic
    Invoked when a nonexistent method or property is accessed.
    inherited
    originSign(String privateKey) → Transaction
    Sign the transaction with an origin private key @param {String} originPv Origin Private Key (hexadecimal)
    originSignaturePayload() → Uint8List
    previousSignaturePayload() → Uint8List
    Generate the payload for the previous signature by encoding address, type and data
    setAddress(Address address) → Transaction
    Set the transaction builder with address (required for originSign) @param {Address} to Address
    setCode(String code) → Transaction
    Add smart contract code to the transaction @param {String} code Smart contract code
    setContent(String content) → Transaction
    Add a content to the transaction @param {String} content Hosted content
    setOriginSignature(String originSignature) → Transaction
    Set the the transaction with an origin private key @param {String} to originSignature
    setPreviousSignatureAndPreviousPublicKey(String prevSign, String prevPubKey) → Transaction
    Set the transaction builder with Previous Publickey and Previous Signature @param {String} to Previous Signature (hexadecimal) @param {String} to Previous PublicKey (hexadecimal)
    toJson() → Map<String, dynamic>
    inherited
    toString() → String
    A string representation of this object.
    inherited

    Operators

    operator ==(Object other) → bool
    The equality operator.
    inherited

    Static Methods

    initData() → Data