Do not crash reference implementation if there is no address in the bip21

NicolasDorier · NicolasDorier · commit a3fbc6c6203e · 2020-06-18T11:04:59.000+09:00
diff --git a/bip-0078.mediawiki b/bip-0078.mediawiki
@@ -424,6 +424,7 @@ public async Task<PSBT> RequestPayjoin(
     for (int i = 0; i < originalGlobalTx.Outputs.Count; i++)
     {
         if (optionalParameters.DisableOutputSubstitution ||
+            bip21.Address == null ||
             signedPSBT.Outputs[i].ScriptPubKey != bip21.Address.ScriptPubKey)
             ourOutputs.Enqueue((originalGlobalTx.Outputs[i], signedPSBT.Outputs[i]));
     }

Original file line number	Diff line number	Diff line change
`@@ -424,6 +424,7 @@ public async Task<PSBT> RequestPayjoin(`
`424`	`424`	`for (int i = 0; i < originalGlobalTx.Outputs.Count; i++)`
`425`	`425`	`{`
`426`	`426`	`if (optionalParameters.DisableOutputSubstitution \|\|`
	`427`	`+ bip21.Address == null \|\|`
`427`	`428`	`signedPSBT.Outputs[i].ScriptPubKey != bip21.Address.ScriptPubKey)`
`428`	`429`	`ourOutputs.Enqueue((originalGlobalTx.Outputs[i], signedPSBT.Outputs[i]));`
`429`	`430`	`}`