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blockchain

package module

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Versions in this module

v8

v8.0.12

Jun 27, 2022

v8.0.11

Jun 27, 2022

v8.0.10

Jun 23, 2022

v8.0.9

Jun 23, 2022

v8.0.8

Jun 22, 2022

v8.0.7

Jun 22, 2022

v8.0.6

Jun 17, 2022

v8.0.5

Jun 17, 2022

v8.0.4

Jun 17, 2022

v8.0.3

Jun 17, 2022

v8.0.2

Jun 17, 2022

v8.0.1

Jun 16, 2022

v8.0.0

Jun 13, 2022

Changes in this version

+ const CheckpointConfirmations

+ const HeaderCmtFilterIndex

+ const MaxCoinbaseScriptLen

+ const MaxSigOpsPerBlock

+ const MaxTimeOffsetSeconds

+ const MinCoinbaseScriptLen

+ func CalcCommitmentRootV1(filterHash chainhash.Hash) chainhash.Hash

+ func CheckBlockSanity(block *dcrutil.Block, timeSource MedianTimeSource, ...) error

+ func CheckProofOfStake(block *dcrutil.Block, posLimit int64) error

+ func CheckTransactionInputs(subsidyCache *standalone.SubsidyCache, tx *dcrutil.Tx, txHeight int64, ...) (int64, error)

+ func CheckTransactionSanity(tx *wire.MsgTx, params *chaincfg.Params) error

+ func ConvertUtxosToMinimalOutputs(entry *UtxoEntry) []*stake.MinimalOutput

+ func CountP2SHSigOps(tx *dcrutil.Tx, isCoinBaseTx bool, isStakeBaseTx bool, view *UtxoViewpoint) (int, error)

+ func CountSigOps(tx *dcrutil.Tx, isCoinBaseTx bool, isSSGen bool) int

+ func IsExpired(tx *dcrutil.Tx, blockHeight int64) bool

+ func IsExpiredTx(tx *wire.MsgTx, blockHeight int64) bool

+ func IsFinalizedTransaction(tx *dcrutil.Tx, blockHeight int64, blockTime time.Time) bool

+ func LockTimeToSequence(isSeconds bool, lockTime uint32) (uint32, error)

+ func SequenceLockActive(lock *SequenceLock, blockHeight int64, medianTime time.Time) bool

+ func UseLogger(logger slog.Logger)

+ func ValidateTransactionScripts(tx *dcrutil.Tx, utxoView *UtxoViewpoint, flags txscript.ScriptFlags, ...) error

+ type AssertError string

+ func (e AssertError) Error() string

+ type BehaviorFlags uint32

+ const BFFastAdd

+ const BFNoPoWCheck

+ const BFNone

+ type BestState struct

+ Bits uint32

+ BlockSize uint64

+ Hash chainhash.Hash

+ Height int64

+ MedianTime time.Time

+ MissedTickets []chainhash.Hash

+ NextFinalState [6]byte

+ NextPoolSize uint32

+ NextStakeDiff int64

+ NextWinningTickets []chainhash.Hash

+ NumTxns uint64

+ PrevHash chainhash.Hash

+ TotalSubsidy int64

+ TotalTxns uint64

+ type BlockAcceptedNtfnsData struct

+ BestHeight int64

+ Block *dcrutil.Block

+ ForkLen int64

+ type BlockChain struct

+ func New(config *Config) (*BlockChain, error)

+ func (b *BlockChain) BestSnapshot() *BestState

+ func (b *BlockChain) BlockByHash(hash *chainhash.Hash) (*dcrutil.Block, error)

+ func (b *BlockChain) BlockByHeight(height int64) (*dcrutil.Block, error)

+ func (b *BlockChain) BlockHashByHeight(height int64) (*chainhash.Hash, error)

+ func (b *BlockChain) BlockHeightByHash(hash *chainhash.Hash) (int64, error)

+ func (b *BlockChain) BlockLocatorFromHash(hash *chainhash.Hash) BlockLocator

+ func (b *BlockChain) CalcNextRequiredDiffFromNode(hash *chainhash.Hash, timestamp time.Time) (uint32, error)

+ func (b *BlockChain) CalcNextRequiredDifficulty(timestamp time.Time) (uint32, error)

+ func (b *BlockChain) CalcNextRequiredStakeDifficulty() (int64, error)

+ func (b *BlockChain) CalcSequenceLock(tx *dcrutil.Tx, view *UtxoViewpoint) (*SequenceLock, error)

+ func (b *BlockChain) CalcStakeVersionByHash(hash *chainhash.Hash) (uint32, error)

+ func (b *BlockChain) CalcWantHeight(interval, height int64) int64

+ func (b *BlockChain) ChainTips() []ChainTipInfo

+ func (b *BlockChain) ChainWork(hash *chainhash.Hash) (*big.Int, error)

+ func (b *BlockChain) CheckConnectBlockTemplate(block *dcrutil.Block) error

+ func (b *BlockChain) CheckExpiredTicket(hash chainhash.Hash) bool

+ func (b *BlockChain) CheckExpiredTickets(hashes []chainhash.Hash) []bool

+ func (b *BlockChain) CheckLiveTicket(hash chainhash.Hash) bool

+ func (b *BlockChain) CheckLiveTickets(hashes []chainhash.Hash) []bool

+ func (b *BlockChain) CheckMissedTickets(hashes []chainhash.Hash) []bool

+ func (b *BlockChain) Checkpoints() []chaincfg.Checkpoint

+ func (b *BlockChain) CountVoteVersion(version uint32) (uint32, error)

+ func (b *BlockChain) DisableCheckpoints(disable bool)

+ func (b *BlockChain) DisableVerify(disable bool)

+ func (b *BlockChain) EstimateNextStakeDifficulty(newTickets int64, useMaxTickets bool) (int64, error)

+ func (b *BlockChain) FetchUtxoEntry(txHash *chainhash.Hash) (*UtxoEntry, error)

+ func (b *BlockChain) FetchUtxoView(tx *dcrutil.Tx, includePrevRegularTxns bool) (*UtxoViewpoint, error)

+ func (b *BlockChain) FetchUtxoViewParentTemplate(block *wire.MsgBlock) (*UtxoViewpoint, error)

+ func (b *BlockChain) FilterByBlockHash(hash *chainhash.Hash) (*gcs.FilterV2, error)

+ func (b *BlockChain) ForceHeadReorganization(formerBest chainhash.Hash, newBest chainhash.Hash) error

+ func (b *BlockChain) GetOrphanRoot(hash *chainhash.Hash) *chainhash.Hash

+ func (b *BlockChain) GetStakeVersions(hash *chainhash.Hash, count int32) ([]StakeVersions, error)

+ func (b *BlockChain) GetVoteCounts(version uint32, deploymentID string) (VoteCounts, error)

+ func (b *BlockChain) GetVoteInfo(hash *chainhash.Hash, version uint32) (*VoteInfo, error)

+ func (b *BlockChain) HaveBlock(hash *chainhash.Hash) (bool, error)

+ func (b *BlockChain) HeaderByHash(hash *chainhash.Hash) (wire.BlockHeader, error)

+ func (b *BlockChain) HeaderByHeight(height int64) (wire.BlockHeader, error)

+ func (b *BlockChain) HeightRange(startHeight, endHeight int64) ([]chainhash.Hash, error)

+ func (b *BlockChain) IsCheckpointCandidate(block *dcrutil.Block) (bool, error)

+ func (b *BlockChain) IsCurrent() bool

+ func (b *BlockChain) IsFixSeqLocksAgendaActive() (bool, error)

+ func (b *BlockChain) IsHeaderCommitmentsAgendaActive(prevHash *chainhash.Hash) (bool, error)

+ func (b *BlockChain) IsKnownOrphan(hash *chainhash.Hash) bool

+ func (b *BlockChain) IsLNFeaturesAgendaActive() (bool, error)

+ func (b *BlockChain) LatestBlockLocator() (BlockLocator, error)

+ func (b *BlockChain) LatestCheckpoint() *chaincfg.Checkpoint

+ func (b *BlockChain) LiveTickets() ([]chainhash.Hash, error)

+ func (b *BlockChain) LocateBlocks(locator BlockLocator, hashStop *chainhash.Hash, maxHashes uint32) []chainhash.Hash

+ func (b *BlockChain) LocateHeaders(locator BlockLocator, hashStop *chainhash.Hash) []wire.BlockHeader

+ func (b *BlockChain) LotteryDataForBlock(hash *chainhash.Hash) ([]chainhash.Hash, int, [6]byte, error)

+ func (b *BlockChain) MainChainHasBlock(hash *chainhash.Hash) bool

+ func (b *BlockChain) MaxBlockSize() (int64, error)

+ func (b *BlockChain) MissedTickets() ([]chainhash.Hash, error)

+ func (b *BlockChain) NextLotteryData() ([]chainhash.Hash, int, [6]byte, error)

+ func (b *BlockChain) NextThresholdState(hash *chainhash.Hash, version uint32, deploymentID string) (ThresholdStateTuple, error)

+ func (b *BlockChain) ProcessBlock(block *dcrutil.Block, flags BehaviorFlags) (int64, bool, error)

+ func (b *BlockChain) StateLastChangedHeight(hash *chainhash.Hash, version uint32, deploymentID string) (int64, error)

+ func (b *BlockChain) TicketPoolValue() (dcrutil.Amount, error)

+ func (b *BlockChain) TicketsWithAddress(address dcrutil.Address) ([]chainhash.Hash, error)

+ func (b *BlockChain) TipGeneration() ([]chainhash.Hash, error)

+ type BlockLocator []*chainhash.Hash

+ type ChainTipInfo struct

+ BranchLen int64

+ Hash chainhash.Hash

+ Height int64

+ Status string

+ type Config struct

+ ChainParams *chaincfg.Params

+ DB database.DB

+ IndexManager IndexManager

+ Interrupt <-chan struct{}

+ Notifications NotificationCallback

+ SigCache *txscript.SigCache

+ SubsidyCache *standalone.SubsidyCache

+ TimeSource MedianTimeSource

+ type DeploymentError string

+ func (e DeploymentError) Error() string

+ type DuplicateDeploymentError string

+ func (e DuplicateDeploymentError) Error() string

+ type ErrorCode int

+ const ErrBadBlockHeight

+ const ErrBadCheckpoint

+ const ErrBadCoinbaseAmountIn

+ const ErrBadCoinbaseFraudProof

+ const ErrBadCoinbaseOutpoint

+ const ErrBadCoinbaseScriptLen

+ const ErrBadCoinbaseValue

+ const ErrBadCommitmentRoot

+ const ErrBadFees

+ const ErrBadMerkleRoot

+ const ErrBadNumPayees

+ const ErrBadPayeeScriptType

+ const ErrBadPayeeScriptVersion

+ const ErrBadPayeeValue

+ const ErrBadStakeVersion

+ const ErrBadStakebaseAmountIn

+ const ErrBadStakebaseScrVal

+ const ErrBadStakebaseScriptLen

+ const ErrBadStakebaseValue

+ const ErrBadTxInput

+ const ErrBadTxOutValue

+ const ErrBlockOneInputs

+ const ErrBlockOneOutputs

+ const ErrBlockOneTx

+ const ErrBlockTooBig

+ const ErrBlockVersionTooOld

+ const ErrCheckpointTimeTooOld

+ const ErrCoinbaseHeight

+ const ErrDifficultyTooLow

+ const ErrDiscordantTxTree

+ const ErrDuplicateBlock

+ const ErrDuplicateTx

+ const ErrDuplicateTxInputs

+ const ErrExpiredTx

+ const ErrExpiryTxSpentEarly

+ const ErrFirstTxNotCoinbase

+ const ErrForceReorgMissingChild

+ const ErrForceReorgWrongChain

+ const ErrForkTooOld

+ const ErrFraudAmountIn

+ const ErrFraudBlockHeight

+ const ErrFraudBlockIndex

+ const ErrFreshStakeMismatch

+ const ErrHighHash

+ const ErrImmatureSpend

+ const ErrImmatureTicketSpend

+ const ErrIncongruentVotebit

+ const ErrInvalidAncestorBlock

+ const ErrInvalidEarlyFinalState

+ const ErrInvalidEarlyStakeTx

+ const ErrInvalidEarlyVoteBits

+ const ErrInvalidFinalState

+ const ErrInvalidRevokeInput

+ const ErrInvalidSSRtx

+ const ErrInvalidTemplateParent

+ const ErrInvalidTime

+ const ErrInvalidVoteInput

+ const ErrKnownInvalidBlock

+ const ErrMismatchedPayeeHash

+ const ErrMissingParent

+ const ErrMissingTxOut

+ const ErrMultipleCoinbases

+ const ErrNoStakeTx

+ const ErrNoTax

+ const ErrNoTransactions

+ const ErrNoTxInputs

+ const ErrNoTxOutputs

+ const ErrNonstandardStakeTx

+ const ErrNotEnoughStake

+ const ErrNotEnoughVotes

+ const ErrOverwriteTx

+ const ErrPoolSize

+ const ErrRegTxCreateStakeOut

+ const ErrRegTxInStakeTree

+ const ErrRevocationsMismatch

+ const ErrSSGenSubsidy

+ const ErrSSRtxPayees

+ const ErrScriptMalformed

+ const ErrScriptValidation

+ const ErrSpendTooHigh

+ const ErrStakeBelowMinimum

+ const ErrStakeFees

+ const ErrStakeTxInRegularTree

+ const ErrTicketCommitment

+ const ErrTicketInputScript

+ const ErrTicketUnavailable

+ const ErrTimeTooNew

+ const ErrTimeTooOld

+ const ErrTooManyRevocations

+ const ErrTooManySStxs

+ const ErrTooManySigOps

+ const ErrTooManyTransactions

+ const ErrTooManyVotes

+ const ErrTxSStxOutSpend

+ const ErrTxTooBig

+ const ErrUnexpectedDifficulty

+ const ErrUnfinalizedTx

+ const ErrVotesMismatch

+ const ErrVotesOnWrongBlock

+ const ErrWrongBlockSize

+ const ErrZeroValueOutputSpend

+ func (e ErrorCode) String() string

+ type HashError string

+ func (e HashError) Error() string

+ type IndexManager interface

+ ConnectBlock func(database.Tx, *dcrutil.Block, *dcrutil.Block, *UtxoViewpoint) error

+ DisconnectBlock func(database.Tx, *dcrutil.Block, *dcrutil.Block, *UtxoViewpoint) error

+ Init func(*BlockChain, <-chan struct{}) error

+ type MedianTimeSource interface

+ AddTimeSample func(id string, timeVal time.Time)

+ AdjustedTime func() time.Time

+ Offset func() time.Duration

+ func NewMedianTime() MedianTimeSource

+ type NoFilterError string

+ func (e NoFilterError) Error() string

+ type Notification struct

+ Data interface{}

+ Type NotificationType

+ type NotificationCallback func(*Notification)

+ type NotificationType int

+ const NTBlockAccepted

+ const NTBlockConnected

+ const NTBlockDisconnected

+ const NTChainReorgDone

+ const NTChainReorgStarted

+ const NTNewTickets

+ const NTNewTipBlockChecked

+ const NTReorganization

+ const NTSpentAndMissedTickets

+ func (n NotificationType) String() string

+ type ReorganizationNtfnsData struct

+ NewHash chainhash.Hash

+ NewHeight int64

+ OldHash chainhash.Hash

+ OldHeight int64

+ type RuleError struct

+ Description string

+ ErrorCode ErrorCode

+ func (e RuleError) Error() string

+ type SequenceLock struct

+ MinHeight int64

+ MinTime int64

+ type StakeVersions struct

+ BlockVersion int32

+ Hash chainhash.Hash

+ Height int64

+ StakeVersion uint32

+ Votes []stake.VoteVersionTuple

+ type ThresholdState byte

+ const ThresholdActive

+ const ThresholdDefined

+ const ThresholdFailed

+ const ThresholdInvalid

+ const ThresholdLockedIn

+ const ThresholdStarted

+ func (t ThresholdState) String() string

+ type ThresholdStateTuple struct

+ Choice uint32

+ State ThresholdState

+ func (t ThresholdStateTuple) String() string

+ type TicketNotificationsData struct

+ Hash chainhash.Hash

+ Height int64

+ StakeDifficulty int64

+ TicketsMissed []chainhash.Hash

+ TicketsNew []chainhash.Hash

+ TicketsSpent []chainhash.Hash

+ type UtxoEntry struct

+ func (entry *UtxoEntry) AmountByIndex(outputIndex uint32) int64

+ func (entry *UtxoEntry) BlockHeight() int64

+ func (entry *UtxoEntry) BlockIndex() uint32

+ func (entry *UtxoEntry) Clone() *UtxoEntry

+ func (entry *UtxoEntry) HasExpiry() bool

+ func (entry *UtxoEntry) IsCoinBase() bool

+ func (entry *UtxoEntry) IsFullySpent() bool

+ func (entry *UtxoEntry) IsOutputSpent(outputIndex uint32) bool

+ func (entry *UtxoEntry) PkScriptByIndex(outputIndex uint32) []byte

+ func (entry *UtxoEntry) ScriptVersionByIndex(outputIndex uint32) uint16

+ func (entry *UtxoEntry) SpendOutput(outputIndex uint32)

+ func (entry *UtxoEntry) TransactionType() stake.TxType

+ func (entry *UtxoEntry) TxVersion() uint16

+ type UtxoViewpoint struct

+ func NewUtxoViewpoint() *UtxoViewpoint

+ func (view *UtxoViewpoint) AddTxOuts(tx *dcrutil.Tx, blockHeight int64, blockIndex uint32)

+ func (view *UtxoViewpoint) BestHash() *chainhash.Hash

+ func (view *UtxoViewpoint) Entries() map[chainhash.Hash]*UtxoEntry

+ func (view *UtxoViewpoint) LookupEntry(txHash *chainhash.Hash) *UtxoEntry

+ func (view *UtxoViewpoint) PrevScript(prevOut *wire.OutPoint) (uint16, []byte, bool)

+ func (view *UtxoViewpoint) SetBestHash(hash *chainhash.Hash)

+ type VoteCounts struct

+ Total uint32

+ TotalAbstain uint32

+ VoteChoices []uint32

+ type VoteInfo struct

+ AgendaStatus []ThresholdStateTuple

+ Agendas []chaincfg.ConsensusDeployment

+ type VoteVersionError uint32

+ func (e VoteVersionError) Error() string

Other modules containing this package

github.com/Decred-Next/dcrnd

github.com/Decred-Next/dcrnd/blockchain/v3