// isNonstandardTransaction determines whether a transaction contains any
// scripts which are not one of the standard types.
func isNonstandardTransaction(tx *btcutil.Tx) bool {
// TODO(davec): Should there be checks for the input signature scripts?
// Check all of the output public key scripts for non-standard scripts.
for _, txOut := range tx.MsgTx().TxOut {
scriptClass := txscript.GetScriptClass(txOut.PkScript)
if scriptClass == txscript.NonStandardTy {
return true
}
}
return false
}
// maybeAddOutpoint potentially adds the passed outpoint to the bloom filter
// depending on the bloom update flags and the type of the passed public key
// script.
//
// This function MUST be called with the filter lock held.
func (bf *Filter) maybeAddOutpoint(pkScript []byte, outHash *wire.ShaHash, outIdx uint32) {
switch bf.msgFilterLoad.Flags {
case wire.BloomUpdateAll:
outpoint := wire.NewOutPoint(outHash, outIdx)
bf.addOutPoint(outpoint)
case wire.BloomUpdateP2PubkeyOnly:
class := txscript.GetScriptClass(pkScript)
if class == txscript.PubKeyTy || class == txscript.MultiSigTy {
outpoint := wire.NewOutPoint(outHash, outIdx)
bf.addOutPoint(outpoint)
}
}
}
// TestScriptClass ensures all the scripts in scriptClassTests have the expected
// class.
func TestScriptClass(t *testing.T) {
t.Parallel()
for _, test := range scriptClassTests {
script := mustParseShortForm(test.script)
class := txscript.GetScriptClass(script)
if class != test.class {
t.Errorf("%s: expected %s got %s", test.name,
test.class, class)
return
}
}
}