Refactor sigverify to stage for signing shreds on the GPU (#6635)

automerge

perf/src/test_tx.rs

@@ -0,0 +1,40 @@
+use solana_sdk::hash::Hash;
+use solana_sdk::instruction::CompiledInstruction;
+use solana_sdk::signature::{Keypair, KeypairUtil};
+use solana_sdk::system_instruction::SystemInstruction;
+use solana_sdk::system_program;
+use solana_sdk::system_transaction;
+use solana_sdk::transaction::Transaction;
+
+pub fn test_tx() -> Transaction {
+    let keypair1 = Keypair::new();
+    let pubkey1 = keypair1.pubkey();
+    let zero = Hash::default();
+    system_transaction::transfer(&keypair1, &pubkey1, 42, zero)
+}
+
+pub fn test_multisig_tx() -> Transaction {
+    let keypair0 = Keypair::new();
+    let keypair1 = Keypair::new();
+    let keypairs = vec![&keypair0, &keypair1];
+    let lamports = 5;
+    let blockhash = Hash::default();
+
+    let transfer_instruction = SystemInstruction::Transfer { lamports };
+
+    let program_ids = vec![system_program::id(), solana_budget_api::id()];
+
+    let instructions = vec![CompiledInstruction::new(
+        0,
+        &transfer_instruction,
+        vec![0, 1],
+    )];
+
+    Transaction::new_with_compiled_instructions(
+        &keypairs,
+        &[],
+        blockhash,
+        program_ids,
+        instructions,
+    )
+}