# Packages
Provides support for dealing with EVM assembly instructions (e.g., disassembling them).
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 Ethereum state trie.
Package types contains data types related to Ethereum consensus.
Package vm implements the Ethereum Virtual Machine.
# Functions
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 whether there are enough funds in the address' account to make a transfer.
DefaultAlphanetGenesisBlock returns the Ropsten network genesis block.
DefaultGenesisBlock returns the Ethereum main net genesis block.
DeveloperGenesisBlock returns the 'gaxis --dev' genesis block.
GenerateChain creates a chain of n blocks.
GetHashFn returns a GetHashFunc which retrieves header hashes by number.
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.
NewEVMContext creates a new context for use in the EVM.
NewHeaderChain creates a new HeaderChain structure.
NewStateProcessor initialises a new StateProcessor.
NewStateTransition initialises and returns a new state transition object.
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NewTxPool creates a new transaction pool to gather, sort and filter inbound transactions from the network.
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.
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# Constants
BlockChainVersion ensures that an incompatible database forces a resync from scratch.
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# Variables
DefaultTxPoolConfig contains the default configurations for the transaction pool.
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ErrBlacklistedHash is returned if a block to import is on the blacklist.
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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.
ErrIntrinsicGas is returned if the transaction is specified to use less gas than required to start the invocation.
ErrKnownBlock is returned when a block to import is already known locally.
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ErrNonceTooHigh is returned if the nonce of a transaction is higher than the next one expected based on the local chain.
ErrOversizedData is returned if the input data of a transaction is greater than some meaningful limit a user might use.
ErrUnderpriced is returned if a transaction's gas priced is below the minimum configured for the transaction pool.
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# Structs
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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.
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ChainIndexer does a post-processing job for equally sized sections of the canonical chain (like BlooomBits and CHT structures).
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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.
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NewMinedBlockEvent is posted when a block has been imported.
NewTxsEvent is posted when a batch of transactions enter the transaction pool.
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PendingLogsEvent is posted pre mining and notifies of pending logs.
PendingStateEvent is posted pre mining and notifies of pending state changes.
RemovedLogsEvent is posted when a reorg happens.
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StateProcessor is a basic Processor, which takes care of transitioning state from one point to another.
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TxPool contains all currently known transactions.
TxPoolConfig are the configuration parameters of the transaction pool.
# Interfaces
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.
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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.
# Type aliases
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.
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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.