oasis-test-runner/txsource: increase number of validators

Increase the number of validators used in txsource tests so that consensus can keep making progress when one of the nodes is restarted.
oasisprotocol · Apr 2, 2020 · b21ae67 · b21ae67
1 parent c64c6a6
commit b21ae67
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diff --git a/.changelog/2815.internal.2.md b/.changelog/2815.internal.2.md
@@ -0,0 +1,4 @@
+oasis-test-runner/txsource: increase number of validators
+
+Increase the number of validators used in txsource tests so that consensus can
+keep making progress when one of the nodes is restarted.
diff --git a/go/oasis-test-runner/scenario/e2e/txsource.go b/go/oasis-test-runner/scenario/e2e/txsource.go
@@ -96,6 +96,15 @@ func (sc *txSourceImpl) Fixture() (*oasis.NetworkFixture, error) {
 	// Disable CheckTx on the client node so we can submit invalid transactions.
 	f.Clients[0].ConsensusDisableCheckTx = true
 
+	// Use at least 4 validators so that consensus can keep making progress
+	// when a node is being killed and restarted.
+	f.Validators = []oasis.ValidatorFixture{
+		oasis.ValidatorFixture{Entity: 1},
+		oasis.ValidatorFixture{Entity: 1},
+		oasis.ValidatorFixture{Entity: 1},
+		oasis.ValidatorFixture{Entity: 1},
+	}
+
 	// Update validators to require fee payments.
 	for i := range f.Validators {
 		f.Validators[i].MinGasPrice = txSourceGasPrice