Add a constructor to generate random pubkeys

drone/src/drone.rs

@@ -339,7 +339,7 @@ mod tests {
 
     #[test]
     fn test_drone_build_airdrop_transaction() {
-        let to = Keypair::new().pubkey();
+        let to = Pubkey::new_rand();
         let blockhash = Hash::default();
         let request = DroneRequest::GetAirdrop {
             lamports: 2,
@@ -377,7 +377,7 @@ mod tests {
 
     #[test]
     fn test_process_drone_request() {
-        let to = Keypair::new().pubkey();
+        let to = Pubkey::new_rand();
         let blockhash = Hash::new(&to.as_ref());
         let lamports = 50;
         let req = DroneRequest::GetAirdrop {

drone/src/drone_mock.rs

@@ -16,7 +16,7 @@ pub fn request_airdrop_transaction(
         Err(Error::new(ErrorKind::Other, "Airdrop failed"))?
     }
     let key = Keypair::new();
-    let to = Keypair::new().pubkey();
+    let to = Pubkey::new_rand();
     let blockhash = Hash::default();
     let tx = SystemTransaction::new_account(&key, &to, lamports, blockhash, 0);
     Ok(tx)

drone/tests/local-drone.rs

@@ -1,6 +1,7 @@
 use solana_drone::drone::{request_airdrop_transaction, run_local_drone};
 use solana_sdk::hash::Hash;
 use solana_sdk::message::Message;
+use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::{Keypair, KeypairUtil};
 use solana_sdk::system_instruction::SystemInstruction;
 use solana_sdk::transaction::Transaction;
@@ -9,7 +10,7 @@ use std::sync::mpsc::channel;
 #[test]
 fn test_local_drone() {
     let keypair = Keypair::new();
-    let to = Keypair::new().pubkey();
+    let to = Pubkey::new_rand();
     let lamports = 50;
     let blockhash = Hash::new(&to.as_ref());
     let create_instruction = SystemInstruction::new_account(&keypair.pubkey(), &to, lamports);