mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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3ff285dda5
* Do not fill in blocks that are not in the finalized branch * mark blocks as invalid * Fix old off-by-ones, do not pass finalized state
65 lines
3.1 KiB
Go
65 lines
3.1 KiB
Go
package blockchain
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import "github.com/pkg/errors"
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var (
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// ErrInvalidPayload is returned when the payload is invalid
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ErrInvalidPayload = errors.New("recevied an INVALID payload from execution engine")
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// ErrUndefinedExecutionEngineError is returned when the execution engine returns an error that is not defined
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ErrUndefinedExecutionEngineError = errors.New("received an undefined ee error")
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// errNilFinalizedInStore is returned when a nil finalized checkpt is returned from store.
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errNilFinalizedInStore = errors.New("nil finalized checkpoint returned from store")
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// errNilFinalizedCheckpoint is returned when a nil finalized checkpt is returned from a state.
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errNilFinalizedCheckpoint = errors.New("nil finalized checkpoint returned from state")
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// errNilJustifiedCheckpoint is returned when a nil justified checkpt is returned from a state.
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errNilJustifiedCheckpoint = errors.New("nil finalized checkpoint returned from state")
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// errInvalidNilSummary is returned when a nil summary is returned from the DB.
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errInvalidNilSummary = errors.New("nil summary returned from the DB")
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// errWrongBlockCount is returned when the wrong number of blocks or block roots is used
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errWrongBlockCount = errors.New("wrong number of blocks or block roots")
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// block is not a valid optimistic candidate block
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errNotOptimisticCandidate = errors.New("block is not suitable for optimistic sync")
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// errBlockNotFoundInCacheOrDB is returned when a block is not found in the cache or DB.
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errBlockNotFoundInCacheOrDB = errors.New("block not found in cache or db")
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// errNilStateFromStategen is returned when a nil state is returned from the state generator.
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errNilStateFromStategen = errors.New("justified state can't be nil")
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// errWSBlockNotFound is returned when a block is not found in the WS cache or DB.
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errWSBlockNotFound = errors.New("weak subjectivity root not found in db")
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// errWSBlockNotFoundInEpoch is returned when a block is not found in the WS cache or DB within epoch.
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errWSBlockNotFoundInEpoch = errors.New("weak subjectivity root not found in db within epoch")
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// errNotDescendantOfFinalized is returned when a block is not a descendant of the finalized checkpoint
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errNotDescendantOfFinalized = invalidBlock{errors.New("not descendant of finalized checkpoint")}
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)
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// An invalid block is the block that fails state transition based on the core protocol rules.
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// The beacon node shall not be accepting nor building blocks that branch off from an invalid block.
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// Some examples of invalid blocks are:
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// The block violates state transition rules.
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// The block is deemed invalid according to execution layer client.
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// The block violates certain fork choice rules (before finalized slot, not finalized ancestor)
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type invalidBlock struct {
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error
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}
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type invalidBlockError interface {
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Error() string
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InvalidBlock() bool
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}
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// InvalidBlock returns true for `invalidBlock`.
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func (e invalidBlock) InvalidBlock() bool {
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return true
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}
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// IsInvalidBlock returns true if the error has `invalidBlock`.
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func IsInvalidBlock(e error) bool {
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if e == nil {
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return false
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}
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d, ok := e.(invalidBlockError)
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if !ok {
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return IsInvalidBlock(errors.Unwrap(e))
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}
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return d.InvalidBlock()
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}
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