e2e: allow for both v0 and v1 mempool implementations (#6752)

test/e2e/pkg/manifest.go

@@ -110,6 +110,9 @@ type ManifestNode struct {
 	// Defaults to disabled.
 	FastSync string `toml:"fast_sync"`
 
+	// Mempool specifies which version of mempool to use. Either "v0" or "v1"
+	Mempool string `toml:"mempool_version"`
+
 	// StateSync enables state sync. The runner automatically configures trusted
 	// block hashes and RPC servers. At least one node in the network must have
 	// SnapshotInterval set to non-zero, and the state syncing node must have

test/e2e/pkg/testnet.go

@@ -80,6 +80,7 @@ type Node struct {
 	ProxyPort        uint32
 	StartAt          int64
 	FastSync         string
+	Mempool          string
 	StateSync        bool
 	Database         string
 	ABCIProtocol     Protocol
@@ -168,6 +169,7 @@ func LoadTestnet(file string) (*Testnet, error) {
 			PrivvalProtocol:  ProtocolFile,
 			StartAt:          nodeManifest.StartAt,
 			FastSync:         nodeManifest.FastSync,
+			Mempool:          nodeManifest.Mempool,
 			StateSync:        nodeManifest.StateSync,
 			PersistInterval:  1,
 			SnapshotInterval: nodeManifest.SnapshotInterval,
@@ -331,6 +333,11 @@ func (n Node) Validate(testnet Testnet) error {
 	default:
 		return fmt.Errorf("invalid fast sync setting %q", n.FastSync)
 	}
+	switch n.Mempool {
+	case "", "v0", "v1":
+	default:
+		return fmt.Errorf("invalid mempool version %q", n.Mempool)
+	}
 	switch n.QueueType {
 	case "", "priority", "wdrr", "fifo":
 	default: