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config.go
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config.go
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package compliance
const MinSkipNewProposalsThreshold = 1000
// Config is shared config for consensus and collection compliance engines, and
// the consensus follower engine.
type Config struct {
// SkipNewProposalsThreshold defines the threshold for dropping blocks that are too far in
// the future. Formally, let `H` be the view of the latest finalized block known to this
// node. A new block `B` is dropped without further processing, if
// B.View > H + SkipNewProposalsThreshold
SkipNewProposalsThreshold uint64
}
func DefaultConfig() Config {
return Config{
SkipNewProposalsThreshold: 100_000,
}
}
// GetSkipNewProposalsThreshold returns stored value in config possibly applying a lower bound.
func (c *Config) GetSkipNewProposalsThreshold() uint64 {
if c.SkipNewProposalsThreshold < MinSkipNewProposalsThreshold {
return MinSkipNewProposalsThreshold
}
return c.SkipNewProposalsThreshold
}
type Opt func(*Config)
// WithSkipNewProposalsThreshold returns an option to set the skip new proposals
// threshold. For inputs less than the minimum threshold, the minimum threshold
// will be set instead.
func WithSkipNewProposalsThreshold(threshold uint64) Opt {
return func(config *Config) {
// sanity check: small values are dangerous and can cause finalization halt
if threshold < MinSkipNewProposalsThreshold {
threshold = MinSkipNewProposalsThreshold
}
config.SkipNewProposalsThreshold = threshold
}
}