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blockchain: Update some comments to match reality.

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This commit is contained in:
Dave Collins 2017-08-30 14:31:35 -05:00
parent 0a9fb53548
commit 02a06a2cd8
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4 changed files with 8 additions and 10 deletions
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7
blockchain/accept.go
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@ -16,8 +16,8 @@ import (
// ProcessBlock before calling this function with it.
//
// The flags modify the behavior of this function as follows:
// - BFDryRun: The memory chain index will not be pruned and no accept
// notification will be sent since the block is not being accepted.
// - BFDryRun: The block index will not be updated and no accept notification
// will be sent since the block is not being accepted.
//
// The flags are also passed to checkBlockContext and connectBestChain. See
// their documentation for how the flags modify their behavior.
@ -69,8 +69,7 @@ func (b *BlockChain) maybeAcceptBlock(block *btcutil.Block, flags BehaviorFlags)
}
b.index.AddNode(newNode)
// Disconnect it from the parent node when the function returns when
// running in dry run mode.
// Undo changes to the block index when running in dry run mode.
if dryRun {
defer func() {
b.index.RemoveNode(newNode)

2
blockchain/blockindex.go
View file

@ -225,7 +225,7 @@ func (bi *blockIndex) AddNode(node *blockNode) {
bi.Unlock()
}
// RemoveNode removes the provided node to the block index. There is no check
// RemoveNode removes the provided node from the block index. There is no check
// whether another node in the index depends on this one, so it is up to caller
// to avoid that situation.
//

5
blockchain/chain.go
View file

@ -984,9 +984,8 @@ func (b *BlockChain) reorganizeChain(detachNodes, attachNodes *list.List, flags
// The flags modify the behavior of this function as follows:
// - BFFastAdd: Avoids several expensive transaction validation operations.
// This is useful when using checkpoints.
// - BFDryRun: Prevents the block from being connected and avoids modifying the
// state of the memory chain index. Also, any log messages related to
// modifying the state are avoided.
// - BFDryRun: Prevents the block from actually being connected and avoids any
// log messages related to modifying the state.
//
// This function MUST be called with the chain state lock held (for writes).
func (b *BlockChain) connectBestChain(node *blockNode, block *btcutil.Block, flags BehaviorFlags) (bool, error) {

4
blockchain/scriptval.go
View file

@ -37,7 +37,7 @@ type txValidator struct {
}
// sendResult sends the result of a script pair validation on the internal
// result channel while respecting the quit channel. The allows orderly
// result channel while respecting the quit channel. This allows orderly
// shutdown when the validation process is aborted early due to a validation
// error in one of the other goroutines.
func (v *txValidator) sendResult(result error) {
@ -135,7 +135,7 @@ func (v *txValidator) Validate(items []*txValidateItem) error {
}
// Limit the number of goroutines to do script validation based on the
// number of processor cores. This help ensure the system stays
// number of processor cores. This helps ensure the system stays
// reasonably responsive under heavy load.
maxGoRoutines := runtime.NumCPU() * 3
if maxGoRoutines <= 0 {