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Simply TransactionForLedger.verify

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Mike Hearn 2015-11-10 11:51:26 +00:00
parent ac9a371179
commit 3041ca73f2
1 changed files with 6 additions and 8 deletions
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14
src/core/Transactions.kt
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@ -12,6 +12,8 @@ class WireTransaction(
val tx: ByteArray, val tx: ByteArray,
// We assume Ed25519 signatures for all. Num signatures == array.length / 64 (each sig is 64 bytes in size) // We assume Ed25519 signatures for all. Num signatures == array.length / 64 (each sig is 64 bytes in size)
// This array is in the same order as the public keys in the commands array, so signatures can be matched to
// public keys in that manner.
val signatures: ByteArray val signatures: ByteArray
) )
@ -41,14 +43,10 @@ class TransactionForVerification(
fun verify(programMap: Map<SecureHash, Contract>) { fun verify(programMap: Map<SecureHash, Contract>) {
// For each input and output state, locate the program to run. Then execute the verification function. If any // For each input and output state, locate the program to run. Then execute the verification function. If any
// throws an exception, the entire transaction is invalid. // throws an exception, the entire transaction is invalid.
fun runContracts(desc: String, l: List<ContractState>) { val programHashes = (inStates.map { it.programRef } + outStates.map { it.programRef }).toSet()
for ((index, state) in l.withIndex()) { for (hash in programHashes) {
val contract = programMap[state.programRef] ?: throw IllegalStateException("$desc state $index refers to unknown contract ${state.programRef}") val program = programMap[hash] ?: throw IllegalStateException("Unknown program hash $hash")
contract.verify(this) program.verify(this)
}
} }
runContracts("input", inStates)
runContracts("output", outStates)
} }
} }