From 6a5254c4758df3107aa0769ae9c057d4c0d3683f Mon Sep 17 00:00:00 2001
From: Matt Bell <mappum@gmail.com>
Date: Thu, 28 Sep 2017 17:41:44 -0700
Subject: [PATCH] Added local blockchain sync benchmark script

---
 benchmarks/blockchain/.gitignore   |  2 +
 benchmarks/blockchain/localsync.sh | 80 ++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+)
 create mode 100644 benchmarks/blockchain/.gitignore
 create mode 100755 benchmarks/blockchain/localsync.sh

diff --git a/benchmarks/blockchain/.gitignore b/benchmarks/blockchain/.gitignore
new file mode 100644
index 000000000..9e67bd47d
--- /dev/null
+++ b/benchmarks/blockchain/.gitignore
@@ -0,0 +1,2 @@
+data
+
diff --git a/benchmarks/blockchain/localsync.sh b/benchmarks/blockchain/localsync.sh
new file mode 100755
index 000000000..e181c5655
--- /dev/null
+++ b/benchmarks/blockchain/localsync.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+DATA=$GOPATH/src/github.com/tendermint/tendermint/benchmarks/blockchain/data
+if [ ! -d $DATA ]; then
+  echo "no data found, generating a chain... (this only has to happen once)"
+
+  tendermint init --home $DATA
+  cp $DATA/config.toml $DATA/config2.toml
+  echo "
+  [consensus]
+  timeout_commit = 0
+  " >> $DATA/config.toml
+
+  echo "starting node"
+  tendermint node \
+    --home $DATA \
+    --proxy_app dummy \
+    --p2p.laddr tcp://127.0.0.1:56656 \
+    --rpc.laddr tcp://127.0.0.1:56657 \
+    --log_level error &
+
+  echo "making blocks for 60s"
+  sleep 60
+
+  mv $DATA/config2.toml $DATA/config.toml
+
+  kill %1
+
+  echo "done generating chain."
+fi
+
+# validator node
+HOME1=$TMPDIR$RANDOM$RANDOM
+cp -R $DATA $HOME1
+echo "starting validator node"
+tendermint node \
+  --home $HOME1 \
+  --proxy_app dummy \
+  --p2p.laddr tcp://127.0.0.1:56656 \
+  --rpc.laddr tcp://127.0.0.1:56657 \
+  --log_level error &
+sleep 1
+
+# downloader node
+HOME2=$TMPDIR$RANDOM$RANDOM
+tendermint init --home $HOME2
+cp $HOME1/genesis.json $HOME2
+printf "starting downloader node"
+tendermint node \
+  --home $HOME2 \
+  --proxy_app dummy \
+  --p2p.laddr tcp://127.0.0.1:56666 \
+  --rpc.laddr tcp://127.0.0.1:56667 \
+  --p2p.seeds 127.0.0.1:56656 \
+  --log_level error &
+
+# wait for node to start up so we only count time where we are actually syncing
+sleep 0.5
+while curl localhost:56667/status 2> /dev/null | grep "\"latest_block_height\": 0," > /dev/null
+do
+  printf '.'
+  sleep 0.2
+done
+echo
+
+echo "syncing blockchain for 10s"
+for i in {1..10}
+do
+  sleep 1
+  HEIGHT="$(curl localhost:56667/status 2> /dev/null \
+    | grep 'latest_block_height' \
+    | grep -o ' [0-9]*' \
+    | xargs)"
+  let 'RATE = HEIGHT / i'
+  echo "height: $HEIGHT, blocks/sec: $RATE"
+done
+
+kill %1
+kill %2
+rm -rf $HOME1 $HOME2