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Remove need to parse every header in a blockchain on instantiation (#1704)

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* Remove need to parse every header in a blockchain on instantiation

* Require height is descending

* Fix invariant
This commit is contained in:
Ben Carman 2020-07-29 07:25:24 -05:00 • committed by GitHub
parent 89bb16a4e2
commit 383aaa7639
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1 changed files with 7 additions and 6 deletions
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13
chain/src/main/scala/org/bitcoins/chain/blockchain/BaseBlockChain.scala
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@ -1,11 +1,10 @@
package org.bitcoins.chain.blockchain package org.bitcoins.chain.blockchain
import org.bitcoins.chain.models.BlockHeaderDb
import org.bitcoins.core.protocol.blockchain.BlockHeader
import org.bitcoins.chain.config.ChainAppConfig
import org.bitcoins.chain.ChainVerificationLogger import org.bitcoins.chain.ChainVerificationLogger
import org.bitcoins.chain.validation.TipUpdateResult import org.bitcoins.chain.config.ChainAppConfig
import org.bitcoins.chain.validation.TipValidation import org.bitcoins.chain.models.BlockHeaderDb
import org.bitcoins.chain.validation.{TipUpdateResult, TipValidation}
import org.bitcoins.core.protocol.blockchain.BlockHeader
import org.bitcoins.core.util.SeqWrapper import org.bitcoins.core.util.SeqWrapper
import org.bitcoins.crypto.DoubleSha256DigestBE import org.bitcoins.crypto.DoubleSha256DigestBE
@ -38,7 +37,9 @@ private[blockchain] trait BaseBlockChain extends SeqWrapper[BlockHeaderDb] {
protected[blockchain] def compObjectfromHeaders( protected[blockchain] def compObjectfromHeaders(
headers: scala.collection.immutable.Seq[BlockHeaderDb]): Blockchain headers: scala.collection.immutable.Seq[BlockHeaderDb]): Blockchain
val tip: BlockHeaderDb = headers.maxBy(_.height) val tip: BlockHeaderDb = headers.head
require(headers.size <= 1 || headers(1).height == tip.height - 1)
/** The height of the chain */ /** The height of the chain */
val height: Int = tip.height val height: Int = tip.height