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sgns::MintTransaction

Transaction that mints tokens after proving a corresponding source-chain event.

#include <MintTransaction.hpp>

Inherits from sgns::GeniusTransaction

Public Functions

Name
~MintTransaction() override =default
Destroys the mint transaction.
virtual EmbeddedTransaction SerializeToEmbeddedTransaction(const SGTransaction::DAGStruct & dag) const override
Serializes the transaction into an EmbeddedTransaction proto with the appropriate oneof field set.
virtual std::vector< uint8_t > SerializeByteVector(const SGTransaction::DAGStruct & dag) const override
Serializes the mint transaction payload and DAG metadata.
uint64_t GetAmount() const
Returns the minted amount.
TokenID GetTokenID() const
Returns the minted token identifier.
virtual std::string GetChainId() const override
Returns the source chain identifier associated with the mint.
virtual std::string GetTransactionSpecificPath() const override
Returns the transaction-specific storage path component.
std::vector< uint8_t > SerializeByteVector() const
Serializes the transaction using the internal DAG metadata.
EmbeddedTransaction SerializeToEmbeddedTransaction() const
Serializes using internal DAG metadata.
std::shared_ptr< MintTransaction > DeSerializeByteVector(const std::vector< uint8_t > & data)
Deserializes a serialized mint transaction.
MintTransaction New(uint64_t new_amount, std::string chain_id, TokenID token_id, SGTransaction::DAGStruct dag)
Creates a new mint transaction instance.

Additional inherited members

Public Types inherited from sgns::GeniusTransaction

Name
using std::function< std::shared_ptr< GeniusTransaction >(const std::vector< uint8_t > &)> TransactionDeserializeFn
Alias for the de-serializer method type to be implemented in derived classes.

Public Functions inherited from sgns::GeniusTransaction

Name
GeniusTransaction(std::string type, SGTransaction::DAGStruct dag)
Constructs a GeniusTransaction with the specified type and DAG metadata.
virtual ~GeniusTransaction() =default
Virtual destructor to avoid leakage when deleting derived classes through a base pointer.
std::string GetType() const
Returns the transaction type.
virtual bool HasUTXOParameters() const
Returns if transaction supports UTXOs.
virtual std::optional< UTXOTxParameters > GetUTXOParametersOpt() const
Returns the UTXOs.
std::string GetTransactionFullPath() const
Returns the full storage path for the transaction based on its hash.
std::string GetProofFullPath() const
Returns the full storage path for the proof based on the transaction hash.
std::string GetSrcAddress() const
Returns the source address for the transaction.
std::string GetHash() const
Returns the hash of the transaction.
std::string GetPreviousHash() const
Returns the hash of the previous transaction.
std::string GetUncleHash() const
Returns the hash of the uncle transaction.
uint64_t GetTimestamp() const
Returns the timestamp of the transaction.
uint64_t GetNonce() const
Returns the nonce of the transaction.
virtual std::unordered_set< std::string > GetTopics() const
Returns the destination topics associated with the transaction.
void FillHash()
Fills the data hash field in the DAG metadata based on the transaction content.
bool CheckHash() const
Checks the integrity of the transaction by verifying that the hash field matches the calculated hash.
std::vector< uint8_t > MakeSignature(GeniusAccount & account)
Creates a signature for the transaction using the provided GeniusAccount.
bool CheckSignature() const
Verifies the transaction signature using the source address and the serialized transaction content.
bool CheckDAGSignatureLegacy() const
Legacy method to verify the transaction signature using the DAG metadata. This method may be used for backward compatibility with older transaction formats.
virtual std::string GetSlotID() const
Generates a slot ID used by consensus to identify competing transactions.
outcome::result< SGTransaction::DAGStruct > DeSerializeDAGStruct(const std::vector< uint8_t > & data)
Deserializes the DAG metadata from a byte vector.
outcome::result< SGTransaction::DAGStruct > DeSerializeDAGStruct(const std::string & data)
Deserializes the DAG metadata from a string.
SGTransaction::DAGStruct SetDAGWithType(SGTransaction::DAGStruct dag, const std::string & type)
Sets the transaction type in the DAG metadata and returns the modified DAGStruct.
std::string GetTransactionFullPath(const std::string & tx_hash)
Returns the full storage path for the transaction based on its hash.
void RegisterDeserializer(const std::string & transaction_type, TransactionDeserializeFn fn)
Registers a deserializer function for a specific transaction type.
std::unordered_map< std::string, TransactionDeserializeFn > & GetDeSerializers()
Returns the map of registered deserializer functions for transaction types.

Public Attributes inherited from sgns::GeniusTransaction

Name
std::string_view GENIUS_CHAIN_ID
The chain ID used for transactions that are not associated with a specific external chain.
SGTransaction::DAGStruct dag_st
The DAG metadata struct that is included in all transactions, containing common fields such as source address, hashes, timestamp, nonce, and signature.

Public Functions Documentation

function ~MintTransaction

~MintTransaction() override =default

Destroys the mint transaction.

function SerializeToEmbeddedTransaction

virtual EmbeddedTransaction SerializeToEmbeddedTransaction(
    const SGTransaction::DAGStruct & dag
) const override

Serializes the transaction into an EmbeddedTransaction proto with the appropriate oneof field set.

Parameters:

  • dag The DAG metadata to be included in the serialization.

Return: EmbeddedTransaction proto with the typed transaction field set.

Reimplements: sgns::GeniusTransaction::SerializeToEmbeddedTransaction

function SerializeByteVector

virtual std::vector< uint8_t > SerializeByteVector(
    const SGTransaction::DAGStruct & dag
) const override

Serializes the mint transaction payload and DAG metadata.

Parameters:

  • dag DAG metadata to serialize into the transaction payload.

Return: Serialized SGTransaction::MintTx bytes.

Reimplements: sgns::GeniusTransaction::SerializeByteVector

function GetAmount

uint64_t GetAmount() const

Returns the minted amount.

Return: Amount of token units minted by this transaction.

function GetTokenID

TokenID GetTokenID() const

Returns the minted token identifier.

Return: Token identifier for the asset minted by this transaction.

function GetChainId

virtual std::string GetChainId() const override

Returns the source chain identifier associated with the mint.

Return: Source chain identifier used for input validation routing.

Reimplements: sgns::GeniusTransaction::GetChainId

function GetTransactionSpecificPath

inline virtual std::string GetTransactionSpecificPath() const override

Returns the transaction-specific storage path component.

Return: Transaction type string used as the path component.

Reimplements: sgns::GeniusTransaction::GetTransactionSpecificPath

function SerializeByteVector

inline std::vector< uint8_t > SerializeByteVector() const

Serializes the transaction using the internal DAG metadata.

Return: The serialized byte vector representing the transaction.

function SerializeToEmbeddedTransaction

inline EmbeddedTransaction SerializeToEmbeddedTransaction() const

Serializes using internal DAG metadata.

function DeSerializeByteVector

static std::shared_ptr< MintTransaction > DeSerializeByteVector(
    const std::vector< uint8_t > & data
)

Deserializes a serialized mint transaction.

Parameters:

  • data Serialized SGTransaction::MintTx bytes.

Return: Shared pointer to the parsed mint transaction, or nullptr if parsing fails.

function New

static MintTransaction New(
    uint64_t new_amount,
    std::string chain_id,
    TokenID token_id,
    SGTransaction::DAGStruct dag
)

Creates a new mint transaction instance.

Parameters:

  • new_amount Amount of token units to mint.
  • chain_id Source chain identifier associated with the mint event.
  • token_id Token identifier for the asset being minted.
  • dag DAG metadata shared by all transaction types.

Return: Mint transaction with the transaction type set and hash populated.


Updated on 2026-06-05 at 17:22:18 -0700