From 3b65c906b522fd0549d9ed3699cf81de2c982b44 Mon Sep 17 00:00:00 2001
From: William Banfield <wbanfield@gmail.com>
Date: Tue, 14 Jun 2022 14:10:28 -0400
Subject: [PATCH] use random seed to power node generator

---
 test/e2e/pkg/testnet.go | 4 ++--
 test/e2e/runner/main.go | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/test/e2e/pkg/testnet.go b/test/e2e/pkg/testnet.go
index 147c451f9..6458ecd3f 100644
--- a/test/e2e/pkg/testnet.go
+++ b/test/e2e/pkg/testnet.go
@@ -106,7 +106,7 @@ type Node struct {
 // The testnet generation must be deterministic, since it is generated
 // separately by the runner and the test cases. For this reason, testnets use a
 // random seed to generate e.g. keys.
-func LoadTestnet(file string) (*Testnet, error) {
+func LoadTestnet(file string, seed int64) (*Testnet, error) {
 	manifest, err := LoadManifest(file)
 	if err != nil {
 		return nil, err
@@ -124,7 +124,7 @@ func LoadTestnet(file string) (*Testnet, error) {
 	}
 
 	ipGen := newIPGenerator(ipNet)
-	keyGen := newKeyGenerator(randomSeed)
+	keyGen := newKeyGenerator(seed)
 	proxyPortGen := newPortGenerator(proxyPortFirst)
 
 	testnet := &Testnet{
diff --git a/test/e2e/runner/main.go b/test/e2e/runner/main.go
index e4c04259c..4025c99dd 100644
--- a/test/e2e/runner/main.go
+++ b/test/e2e/runner/main.go
@@ -53,12 +53,14 @@ func NewCLI(logger log.Logger) *CLI {
 				// If flag is absent, no error is returned, but the default value (empty string)
 				return err
 			}
+			cli.seedDelta, err = cmd.Flags().GetInt("seed-delta")
+			seed := randomSeed + cli.seedDelta // nolint: gosec
 			if len(ips) == 0 {
 				file, err := cmd.Flags().GetString("file")
 				if err != nil {
 					return err
 				}
-				testnet, err := e2e.LoadTestnet(file)
+				testnet, err := e2e.LoadTestnet(file, int64(seed))
 				if err != nil {
 					return err
 				}
@@ -66,7 +68,6 @@ func NewCLI(logger log.Logger) *CLI {
 				return nil
 			}
 			cli.ips = strings.Split(ips, ",")
-			cli.seedDelta, err = cmd.Flags().GetInt("seed-delta")
 			if err != nil {
 				// If flag is absent, no error is returned, but the default value (empty string)
 				return err