From 7d6ea6c17e44365443f74ba7fe919fa5a4c15c40 Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Tue, 24 Mar 2020 05:23:29 -0700
Subject: [PATCH] ledger-tool can now decode stake instructions (#9045)

automerge
---
 Cargo.lock              |  1 +
 ledger-tool/Cargo.toml  |  1 +
 ledger-tool/src/main.rs | 55 +++++++++++++++++++++++++++--------------
 3 files changed, 38 insertions(+), 19 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index de485339a4..bb19913a00 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4239,6 +4239,7 @@ dependencies = [
  "solana-logger 1.1.0",
  "solana-runtime 1.1.0",
  "solana-sdk 1.1.0",
+ "solana-stake-program 1.1.0",
  "solana-vote-program 1.1.0",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/ledger-tool/Cargo.toml b/ledger-tool/Cargo.toml
index b87de928d4..f54e0a5c55 100644
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -20,6 +20,7 @@ solana-logger = { path = "../logger", version = "1.1.0" }
 solana-runtime = { path = "../runtime", version = "1.1.0" }
 solana-sdk = { path = "../sdk", version = "1.1.0" }
 solana-vote-program = { path = "../programs/vote", version = "1.1.0" }
+solana-stake-program = { path = "../programs/stake", version = "1.1.0" }
 tempfile = "3.1.0"
 
 [dev-dependencies]
diff --git a/ledger-tool/src/main.rs b/ledger-tool/src/main.rs
index 00b5b0e200..c01ec8e405 100644
--- a/ledger-tool/src/main.rs
+++ b/ledger-tool/src/main.rs
@@ -36,6 +36,32 @@ enum LedgerOutputMethod {
     Json,
 }
 
+fn output_slot_rewards(
+    blockstore: &Blockstore,
+    slot: Slot,
+    method: &LedgerOutputMethod,
+) -> Result<(), String> {
+    // Note: rewards are not output in JSON yet
+    if *method == LedgerOutputMethod::Print {
+        if let Ok(rewards) = blockstore.read_rewards(slot) {
+            if let Some(rewards) = rewards {
+                if !rewards.is_empty() {
+                    println!("  Rewards:");
+                    for reward in rewards {
+                        println!(
+                            "    Account {}: {}{} SOL",
+                            reward.pubkey,
+                            if reward.lamports < 0 { '-' } else { ' ' },
+                            lamports_to_sol(reward.lamports.abs().try_into().unwrap())
+                        );
+                    }
+                }
+            }
+        }
+    }
+    Ok(())
+}
+
 fn output_slot(
     blockstore: &Blockstore,
     slot: Slot,
@@ -94,6 +120,15 @@ fn output_slot(
                                 println!("        {:?}", vote_instruction);
                                 raw = false;
                             }
+                        } else if program_pubkey == solana_stake_program::id() {
+                            if let Ok(stake_instruction) =
+                                limited_deserialize::<
+                                    solana_stake_program::stake_instruction::StakeInstruction,
+                                >(&instruction.data)
+                            {
+                                println!("        {:?}", stake_instruction);
+                                raw = false;
+                            }
                         } else if program_pubkey == solana_sdk::system_program::id() {
                             if let Ok(system_instruction) =
                                 limited_deserialize::<
@@ -164,25 +199,7 @@ fn output_slot(
         }
     }
 
-    // Note: rewards are not output in JSON yet
-    if *method == LedgerOutputMethod::Print {
-        if let Ok(rewards) = blockstore.read_rewards(slot) {
-            if let Some(rewards) = rewards {
-                if !rewards.is_empty() {
-                    println!("  Rewards:");
-                    for reward in rewards {
-                        println!(
-                            "    Account {}: {}{} SOL",
-                            reward.pubkey,
-                            if reward.lamports < 0 { '-' } else { ' ' },
-                            lamports_to_sol(reward.lamports.abs().try_into().unwrap())
-                        );
-                    }
-                }
-            }
-        }
-    }
-    Ok(())
+    output_slot_rewards(blockstore, slot, method)
 }
 
 fn output_ledger(blockstore: Blockstore, starting_slot: Slot, method: LedgerOutputMethod) {