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Mark PSBTs spending unspendable outputs as invalid in analysis

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This commit is contained in:
Andrew Chow 2019-11-19 14:54:13 -05:00
parent 638e40cb60
commit 773d4572a4
2 changed files with 11 additions and 0 deletions
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6
src/node/psbt.cpp
View File

@ -7,6 +7,7 @@
#include <node/psbt.h>
#include <policy/policy.h>
#include <policy/settings.h>
#include <tinyformat.h>
#include <numeric>
@ -39,6 +40,11 @@ PSBTAnalysis AnalyzePSBT(PartiallySignedTransaction psbtx)
calc_fee = false;
}
if (!utxo.IsNull() && utxo.scriptPubKey.IsUnspendable()) {
result.SetInvalid(strprintf("PSBT is not valid. Input %u spends unspendable output", i));
return result;
}
// Check if it is final
if (!utxo.IsNull() && !PSBTInputSigned(input)) {
input_analysis.is_final = false;

5
test/functional/rpc_psbt.py
View File

@ -416,5 +416,10 @@ class PSBTTest(BitcoinTestFramework):
analyzed = self.nodes[0].analyzepsbt(signed)
assert analyzed['inputs'][0]['has_utxo'] and analyzed['inputs'][0]['is_final'] and analyzed['next'] == 'extractor'
self.log.info("PSBT spending unspendable outputs should have error message and Creator as next")
analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWAEHYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFv8/wADXYP/7//////8JxOh0LR2HAI8AAAAAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHEAABAACAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHENkMak8AAAAA')
assert_equal(analysis['next'], 'creator')
assert_equal(analysis['error'], 'PSBT is not valid. Input 0 spends unspendable output')
if __name__ == '__main__':
PSBTTest().main()