Package bloombits implements bloom filtering on batches of data.

Package rawdb contains a collection of low level database accessors.

Package state provides a caching layer atop the VNT state trie.

Package types contains data types related to VNT consensus.

Package vm implements the VNT Virtual Machine.

Package compile is used internally by wagon to convert standard structured WebAssembly bytecode into an unstructured form suitable for execution by it's VM.

ApplyMessage computes the new state by applying the given message against the old state within the environment.

ApplyTransaction attempts to apply a transaction to the given state database and uses the input parameters for its environment.

CalcGasLimit computes the gas limit of the next block after parent.

CanTransfer checks wether there are enough funds in the address' account to make a transfer.

DefaultGenesisBlock returns the VNT main net genesis block.

DeleteBlock removes all block data associated with a hash.

DeleteBlockReceipts removes all receipt data associated with a block hash.

DeleteBody removes all block body data associated with a hash.

DeleteCanonicalHash removes the number to hash canonical mapping.

DeleteHeader removes all block header data associated with a hash.

DeleteTd removes all block total difficulty data associated with a hash.

DeleteTxLookupEntry removes all transaction data associated with a hash.

DeveloperGenesisBlock returns the 'gvnt --dev' genesis block.

FindCommonAncestor returns the last common ancestor of two block headers.

GenerateChain creates a chain of n blocks.

GenesisBlockForTesting creates and writes a block in which addr has the given wei balance.

GetBlock retrieves an entire block corresponding to the hash, assembling it back from the stored header and body.

GetBlockChainVersion reads the version number from db.

GetBlockNumber returns the block number assigned to a block hash if the corresponding header is present in the database.

GetBlockReceipts retrieves the receipts generated by the transactions included in a block given by its hash.

GetBloomBits retrieves the compressed bloom bit vector belonging to the given section and bit index from the.

GetBody retrieves the block body (transactons) corresponding to the hash, nil if none found.

GetBodyRLP retrieves the block body (transactions) in RLP encoding.

GetCanonicalHash retrieves a hash assigned to a canonical block number.

GetChainConfig will fetch the network settings based on the given hash.

GetHashFn returns a GetHashFunc which retrieves header hashes by number.

GetHeadBlockHash retrieves the hash of the current canonical head block.

GetHeader retrieves the block header corresponding to the hash, nil if none found.

GetHeaderRLP retrieves a block header in its raw RLP database encoding, or nil if the header's not found.

GetHeadFastBlockHash retrieves the hash of the current canonical head block during fast synchronization.

GetHeadHeaderHash retrieves the hash of the current canonical head block's header.

GetReceipt retrieves a specific transaction receipt from the database, along with its added positional metadata.

GetTd retrieves a block's total difficulty corresponding to the hash, nil if none found.

GetTransaction retrieves a specific transaction from the database, along with its added positional metadata.

GetTrieSyncProgress retrieves the number of tries nodes fast synced to allow reportinc correct numbers across restarts.

GetTxLookupEntry retrieves the positional metadata associated with a transaction hash to allow retrieving the transaction or receipt by hash.

IntrinsicGas computes the 'intrinsic gas' for a message with the given data.

NewBlockChain returns a fully initialised block chain using information available in the database.

NewBlockValidator returns a new block validator which is safe for re-use.

NewChainIndexer creates a new chain indexer to do background processing on chain segments of a given size after certain number of confirmations passed.

NewHeaderChain creates a new HeaderChain structure.

NewStateProcessor initialises a new StateProcessor.

NewStateTransition initialises and returns a new state transition object.

NewTxPool creates a new transaction pool to gather, sort and filter inbound transactions from the network.

NewVMContext creates a new context for use in the VM.

PreimageTable returns a Database instance with the key prefix for preimage entries.

SetReceiptsData computes all the non-consensus fields of the receipts.

SetupGenesisBlock writes or updates the genesis block in db.

Transfer subtracts amount from sender and adds amount to recipient using the given Db.

WriteBlock serializes a block into the database, header and body separately.

WriteBlockChainVersion writes vsn as the version number to db.

WriteBlockReceipts stores all the transaction receipts belonging to a block as a single receipt slice.

WriteBloomBits writes the compressed bloom bits vector belonging to the given section and bit index.

WriteBody serializes the body of a block into the database.

WriteBodyRLP writes a serialized body of a block into the database.

WriteCanonicalHash stores the canonical hash for the given block number.

WriteChainConfig writes the chain config settings to the database.

WriteHeadBlockHash stores the head block's hash.

WriteHeader serializes a block header into the database.

WriteHeadFastBlockHash stores the fast head block's hash.

WriteHeadHeaderHash stores the head header's hash.

WritePreimages writes the provided set of preimages to the database.

WriteTd serializes the total difficulty of a block into the database.

WriteTrieSyncProgress stores the fast sync trie process counter to support retrieving it across restarts.

WriteTxLookupEntries stores a positional metadata for every transaction from a block, enabling hash based transaction and receipt lookups.

BlockChainVersion ensures that an incompatible database forces a resync from scratch.

BadHashes represent a set of manually tracked bad hashes (usually hard forks).

BloomBitsIndexPrefix is the data table of a chain indexer to track its progress.

DefaultTxPoolConfig contains the default configurations for the transaction pool.

ErrBlacklistedHash is returned if a block to import is on the blacklist.

ErrBlockBeforeLIB is returned if the block's height is irreversible.

general config not found error.

ErrForkBlockParentIsNotLIB is returned if the block is same height with head block but it's parent is not the last irreversible block.

ErrGasLimit is returned if a transaction's requested gas limit exceeds the maximum allowance of the current block.

ErrGasLimitReached is returned by the gas pool if the amount of gas required by a transaction is higher than what's left in the block.

ErrInsufficientFunds is returned if the total cost of executing a transaction is higher than the balance of the user's account.

ErrIntrinsicGas is returned if the transaction is specified to use less gas than required to start the invocation.

ErrInvalidSender is returned if the transaction contains an invalid signature.

ErrKnownBlock is returned when a block to import is already known locally.

ErrNegativeValue is a sanity error to ensure noone is able to specify a transaction with a negative value.

ErrNonceTooHigh is returned if the nonce of a transaction is higher than the next one expected based on the local chain.

ErrNonceTooLow is returned if the nonce of a transaction is lower than the one present in the local chain.

ErrOversizedData is returned if the input data of a transaction is greater than some meaningful limit a user might use.

ErrReplaceUnderpriced is returned if a transaction is attempted to be replaced with a different one without the required price bump.

ErrUnderpriced is returned if a transaction's gas price is below the minimum configured for the transaction pool.

BlockChain represents the canonical chain given a database with a genesis block.

BlockGen creates blocks for testing.

BlockValidator is responsible for validating block headers and processed state.

CacheConfig contains the configuration values for the trie caching/pruning that's resident in a blockchain.

ChainIndexer does a post-processing job for equally sized sections of the canonical chain (like BlooomBits and CHT structures).

Genesis specifies the header fields, state of a genesis block.

GenesisAccount is an account in the state of the genesis block.

GenesisMismatchError is raised when trying to overwrite an existing genesis block with an incompatible one.

HeaderChain implements the basic block header chain logic that is shared by core.BlockChain and light.LightChain.

NewProducedBlockEvent is posted when a block has been imported.

NewTxsEvent is posted when a batch of transactions enter the transaction pool.

PendingLogsEvent is posted pre block producing and notifies of pending logs.

PendingStateEvent is posted pre block producing and notifies of pending state changes.

RemovedLogsEvent is posted when a reorg happens.

StateProcessor is a basic Processor, which takes care of transitioning state from one point to another.

The State Transitioning Model A state transition is a change made when a transaction is applied to the current world state The state transitioning model does all all the necessary work to work out a valid new state root.

TxLookupEntry is a positional metadata to help looking up the data content of a transaction or receipt given only its hash.

TxPool contains all currently known transactions.

TxPoolConfig are the configuration parameters of the transaction pool.

ChainContext supports retrieving headers and consensus parameters from the current blockchain to be used during transaction processing.

ChainIndexerBackend defines the methods needed to process chain segments in the background and write the segment results into the database.

ChainIndexerChain interface is used for connecting the indexer to a blockchain.

DatabaseDeleter wraps the Delete method of a backing data store.

DatabaseReader wraps the Get method of a backing data store.

Message represents a message sent to a contract.

Processor is an interface for processing blocks using a given initial state.

Validator is an interface which defines the standard for block validation.

DeleteCallback is a callback function that is called by SetHead before each header is deleted.

GasPool tracks the amount of gas available during execution of the transactions in a block.

GenesisAlloc specifies the initial state that is part of the genesis block.

TxStatus is the current status of a transaction as seen by the pool.

WhCallback is a callback function for inserting individual headers.

WriteStatus status of write.