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Merge pull request #40 from Christewart/remove_guards_from_pattern_patches

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Remove guards from pattern patches
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Thomas McCabe 2016-10-10 08:35:21 -05:00 committed by GitHub
commit cf406a5fa6
1 changed files with 21 additions and 19 deletions
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40
src/main/scala/org/bitcoins/core/script/interpreter/ScriptInterpreter.scala
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@ -57,26 +57,29 @@ trait ScriptInterpreter extends CryptoInterpreter with StackInterpreter with Con
ScriptProgram(programBeingExecuted,ScriptErrorSigPushOnly)
} else {
val scriptSigExecutedProgram = loop(program,0)
scriptPubKey match {
case p2shScriptPubKey : P2SHScriptPubKey if (ScriptFlagUtil.p2shEnabled(program.flags)) =>
executeP2shScript(scriptSigExecutedProgram, programBeingExecuted, p2shScriptPubKey)
case _ : MultiSignatureScriptPubKey | _ : P2SHScriptPubKey | _ : P2PKHScriptPubKey |
_ : P2PKScriptPubKey | _ : CLTVScriptPubKey | _ : CSVScriptPubKey | _ : NonStandardScriptPubKey | EmptyScriptPubKey =>
logger.info("Stack state after scriptSig execution: " + scriptSigExecutedProgram.stack)
if (!scriptSigExecutedProgram.error.isDefined) {
logger.debug("We do not check a redeemScript against a non p2sh scriptSig")
//now run the scriptPubKey script through the interpreter with the scriptSig as the stack arguments
val scriptPubKeyProgram = ScriptProgram(scriptSigExecutedProgram.txSignatureComponent,
scriptSigExecutedProgram.stack,scriptSigExecutedProgram.txSignatureComponent.scriptPubKey.asm)
require(scriptPubKeyProgram.script == scriptSigExecutedProgram.txSignatureComponent.scriptPubKey.asm)
val scriptPubKeyExecutedProgram : ExecutedScriptProgram = loop(scriptPubKeyProgram,0)
logger.info("Stack state after scriptPubKey execution: " + scriptPubKeyExecutedProgram.stack)
if (ScriptFlagUtil.p2shEnabled(program.flags) && scriptPubKey.isInstanceOf[P2SHScriptPubKey]) {
executeP2shScript(scriptSigExecutedProgram, programBeingExecuted, scriptPubKey.asInstanceOf[P2SHScriptPubKey])
} else {
scriptPubKey match {
case _ : MultiSignatureScriptPubKey | _ : P2SHScriptPubKey | _ : P2PKHScriptPubKey |
_ : P2PKScriptPubKey | _ : CLTVScriptPubKey | _ : CSVScriptPubKey | _ : NonStandardScriptPubKey | EmptyScriptPubKey =>
logger.info("Stack state after scriptSig execution: " + scriptSigExecutedProgram.stack)
if (!scriptSigExecutedProgram.error.isDefined) {
logger.debug("We do not check a redeemScript against a non p2sh scriptSig")
//now run the scriptPubKey script through the interpreter with the scriptSig as the stack arguments
val scriptPubKeyProgram = ScriptProgram(scriptSigExecutedProgram.txSignatureComponent,
scriptSigExecutedProgram.stack,scriptSigExecutedProgram.txSignatureComponent.scriptPubKey.asm)
require(scriptPubKeyProgram.script == scriptSigExecutedProgram.txSignatureComponent.scriptPubKey.asm)
val scriptPubKeyExecutedProgram : ExecutedScriptProgram = loop(scriptPubKeyProgram,0)
//if the program is valid, return if the stack top is true
//else the program is false since something illegal happened during script evaluation
scriptPubKeyExecutedProgram
} else scriptSigExecutedProgram
logger.info("Stack state after scriptPubKey execution: " + scriptPubKeyExecutedProgram.stack)
//if the program is valid, return if the stack top is true
//else the program is false since something illegal happened during script evaluation
scriptPubKeyExecutedProgram
} else scriptSigExecutedProgram
}
}
}
logger.debug("Executed Script Program: " + executedProgram)
@ -362,7 +365,6 @@ trait ScriptInterpreter extends CryptoInterpreter with StackInterpreter with Con
*/
def checkTransaction(transaction : Transaction) : Boolean = {
val inputOutputsNotZero = !(transaction.inputs.isEmpty || transaction.outputs.isEmpty)
//TODO: replace 1000000 with a value that represents the max block size
val txNotLargerThanBlock = transaction.bytes.size < Consensus.maxBlockSize
val outputsSpendValidAmountsOfMoney = !transaction.outputs.exists(o =>
o.value < CurrencyUnits.zero || o.value > Consensus.maxMoney)