From bb6c4efe9b696bb5d0758da6c5d4acef2ea6e413 Mon Sep 17 00:00:00 2001
From: Trent Nelson <trent@solana.com>
Date: Sat, 25 Jan 2020 22:14:07 -0700
Subject: [PATCH] CLI: Deterministic dummy keypair generation for
 SigningAuthority::Offline (#7971)

* CLI: Deterministic dummy keypair generation for SigningAuthority::Offline

* Add test
---
 cli/src/cli.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cli/src/cli.rs b/cli/src/cli.rs
index d1c6a9cd26..8d473dda1c 100644
--- a/cli/src/cli.rs
+++ b/cli/src/cli.rs
@@ -31,7 +31,7 @@ use solana_sdk::{
     message::Message,
     native_token::lamports_to_sol,
     pubkey::Pubkey,
-    signature::{Keypair, KeypairUtil, Signature},
+    signature::{keypair_from_seed, Keypair, KeypairUtil, Signature},
     system_instruction::{create_address_with_seed, SystemError, MAX_ADDRESS_SEED_LEN},
     system_transaction,
     transaction::{Transaction, TransactionError},
@@ -125,7 +125,7 @@ impl From<Keypair> for SigningAuthority {
 
 impl From<Pubkey> for SigningAuthority {
     fn from(pubkey: Pubkey) -> Self {
-        SigningAuthority::Offline(pubkey, Keypair::new())
+        SigningAuthority::Offline(pubkey, keypair_from_seed(pubkey.as_ref()).unwrap())
     }
 }
 
@@ -2092,6 +2092,7 @@ mod tests {
     use solana_sdk::{
         account::Account,
         nonce_state::{Meta as NonceMeta, NonceState},
+        pubkey::Pubkey,
         signature::{read_keypair_file, write_keypair_file},
         system_program,
         transaction::TransactionError,
@@ -2112,6 +2113,13 @@ mod tests {
         path
     }
 
+    #[test]
+    fn test_signing_authority_dummy_keypairs() {
+        let signing_authority: SigningAuthority = Pubkey::new(&[1u8; 32]).into();
+        assert_eq!(signing_authority, Pubkey::new(&[1u8; 32]).into());
+        assert_ne!(signing_authority, Pubkey::new(&[2u8; 32]).into());
+    }
+
     #[test]
     fn test_cli_parse_command() {
         let test_commands = app("test", "desc", "version");