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Replace HaveInventory with HaveBlock.

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The original thought was that chain would also house the transaction
memory pool, but that ultimately was decided against.  As a result,
it only makes sense to query chain for blocks rather than generic
inventory.
This commit is contained in:
Dave Collins 2013-10-08 12:32:15 -05:00
parent 0b334bc841
commit b911e7e455
1 changed files with 6 additions and 31 deletions
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37
chain.go
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@ -167,38 +167,13 @@ func (b *BlockChain) DisableVerify(disable bool) {
b.noVerify = disable b.noVerify = disable
} }
// HaveInventory returns whether or not the chain instance has the inventory // HaveBlock returns whether or not the chain instance has the block represented
// represented by the passed inventory vector. This includes checking all of // by the passed hash. This includes checking the various places a block can
// the various places inventory can be when it is in different states such as // be like part of the main chain, on a side chain, or in the orphan pool.
// part of the main chain, on a side chain, and orphans.
// //
// This function is safe for concurrent access. // This function is NOT safe for concurrent access.
func (b *BlockChain) HaveInventory(inventoryVector *btcwire.InvVect) bool { func (b *BlockChain) HaveBlock(hash *btcwire.ShaHash) bool {
switch inventoryVector.Type { return b.IsKnownOrphan(hash) && b.blockExists(hash)
case btcwire.InvVect_Block:
// Check the main chain and side chains.
if b.blockExists(&inventoryVector.Hash) {
return true
}
// Check orphan blocks.
if b.IsKnownOrphan(&inventoryVector.Hash) {
return true
}
case btcwire.InvVect_Tx:
// TODO(davec): Need to ultimately maintain a transaction pool
// of transactions that are not already in a block and check
// for the existing transaction there too.
// Check if the transaction exists from the point of view of the
// end of the main chain.
return b.db.ExistsTxSha(&inventoryVector.Hash)
}
// The requested inventory is either not known or is an unsupported
// type (which also implies it is not known).
return false
} }
// IsKnownOrphan returns whether the passed hash is currently a known orphan. // IsKnownOrphan returns whether the passed hash is currently a known orphan.