From 16696ffb42efdc6294f4afc52485089568db1b7e Mon Sep 17 00:00:00 2001
From: Jongwhan Lee <51560997+leejw51crypto@users.noreply.github.com>
Date: Thu, 2 Sep 2021 09:54:26 +0900
Subject: [PATCH] Problem: key import,export not working correctly (fix #26)
 (#27)

add scripts

pear

makefile

add my.nix

working

works

OK

works

work

chainmain works

tidy up

1 node
---
 Makefile                      |  5 +++
 chainmain.nix2                | 16 +++++++++
 cmd/cronosd/cmd/root.go       |  2 +-
 go.sh                         |  1 +
 integration_tests/conftest.py |  2 +-
 integration_tests/network.py  | 31 ++++++++++++++++++
 integration_tests/shell.nix   |  1 +
 integration_tests/test_ibc.py | 18 +++++++++++
 my/apple/addkey.sh            |  4 +++
 my/apple/i1.sh                |  2 ++
 my/apple/init.sh              | 61 +++++++++++++++++++++++++++++++++++
 my/apple/run.sh               |  2 ++
 my/apple/s1.sh                |  2 ++
 my/apple/s2.sh                |  2 ++
 my/apple/send.sh              |  8 +++++
 my/apple/send0.sh             |  8 +++++
 my/apple/setup.sh             | 43 ++++++++++++++++++++++++
 my/pear/addkey.sh             |  4 +++
 my/pear/init.sh               | 61 +++++++++++++++++++++++++++++++++++
 my/pear/run.sh                |  2 ++
 my/pear/s1.sh                 |  2 ++
 my/pear/s2.sh                 |  2 ++
 my/pear/send.sh               |  8 +++++
 my/pear/send0.sh              |  8 +++++
 my/pear/setup.sh              | 43 ++++++++++++++++++++++++
 myold.nix                     | 16 +++++++++
 nix/chainmain.nix             | 25 ++++++++++++++
 nix/default.nix               |  1 +
 nix/scripts.nix               |  8 ++++-
 scripts/chainmain-devnet.yaml | 38 ++++++++++++++++++++++
 scripts/start-chainmain       | 23 +++++++++++++
 scripts/start-cronos          |  3 ++
 32 files changed, 449 insertions(+), 3 deletions(-)
 create mode 100644 chainmain.nix2
 create mode 100755 go.sh
 create mode 100644 integration_tests/test_ibc.py
 create mode 100755 my/apple/addkey.sh
 create mode 100755 my/apple/i1.sh
 create mode 100755 my/apple/init.sh
 create mode 100755 my/apple/run.sh
 create mode 100755 my/apple/s1.sh
 create mode 100755 my/apple/s2.sh
 create mode 100755 my/apple/send.sh
 create mode 100755 my/apple/send0.sh
 create mode 100755 my/apple/setup.sh
 create mode 100755 my/pear/addkey.sh
 create mode 100755 my/pear/init.sh
 create mode 100755 my/pear/run.sh
 create mode 100755 my/pear/s1.sh
 create mode 100755 my/pear/s2.sh
 create mode 100755 my/pear/send.sh
 create mode 100755 my/pear/send0.sh
 create mode 100755 my/pear/setup.sh
 create mode 100644 myold.nix
 create mode 100644 nix/chainmain.nix
 create mode 100644 scripts/chainmain-devnet.yaml
 create mode 100755 scripts/start-chainmain

diff --git a/Makefile b/Makefile
index 252cb3ee08..ff82f3ba97 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,9 @@ BINDIR ?= ~/go/bin
 build: go.sum
 	@go build -mod=readonly $(BUILD_FLAGS) $(BUILD_TAGS) -o $(BUILDDIR)/cronosd ./cmd/cronosd
 
+install: go.sum
+	@go install -mod=readonly $(BUILD_FLAGS) $(BUILD_TAGS)  ./cmd/cronosd
+
 test:
 	@go test -v -mod=readonly $(PACKAGES) -coverprofile=$(COVERAGE) -covermode=atomic
 
@@ -143,6 +146,8 @@ test-sim-profile:
 ###                                Integration Test                         ###
 ###############################################################################
 
+get_chainmain:
+	git clone git@github.com:crypto-org-chain/chain-main.git ./integration_tests/chain-main 
 run-integration-tests:
 	@nix-shell ./integration_tests/shell.nix --run ./scripts/run-integration-tests
 
diff --git a/chainmain.nix2 b/chainmain.nix2
new file mode 100644
index 0000000000..0cb9675d5b
--- /dev/null
+++ b/chainmain.nix2
@@ -0,0 +1,16 @@
+{ system ? builtins.currentSystem, pkgs ? import ./nix { inherit system; } }:
+pkgs.buildGoApplication rec {
+  pname = "chainmain";
+  version = "0.5.2";
+  src = ./integration_tests/chain-main;
+  modules = ./integration_tests/chain-main/gomod2nix.toml;
+  pwd = src; # needed to support replace
+  subPackages = [ "./integration_tests/chain-main/cmd/chain-maind" ];
+  CGO_ENABLED = "1";
+  buildFlagsArray = ''
+    -ldflags=
+    -X github.com/cosmos/cosmos-sdk/version.Name=chainmain
+    -X github.com/cosmos/cosmos-sdk/version.AppName=${pname}
+    -X github.com/cosmos/cosmos-sdk/version.Version=${version}
+  '';
+}
diff --git a/cmd/cronosd/cmd/root.go b/cmd/cronosd/cmd/root.go
index 49c97b2b24..a0f2d92768 100644
--- a/cmd/cronosd/cmd/root.go
+++ b/cmd/cronosd/cmd/root.go
@@ -95,7 +95,7 @@ func NewRootCmd() (*cobra.Command, params.EncodingConfig) {
 	initRootCmd(rootCmd, encodingConfig)
 	overwriteFlagDefaults(rootCmd, map[string]string{
 		flags.FlagChainID:        ChainID,
-		flags.FlagKeyringBackend: "test",
+		flags.FlagKeyringBackend: "os",
 	})
 
 	return rootCmd, encodingConfig
diff --git a/go.sh b/go.sh
new file mode 100755
index 0000000000..c58b9be7b4
--- /dev/null
+++ b/go.sh
@@ -0,0 +1 @@
+nix-shell ./my.nix
diff --git a/integration_tests/conftest.py b/integration_tests/conftest.py
index 42262df6d3..b6d01e764b 100644
--- a/integration_tests/conftest.py
+++ b/integration_tests/conftest.py
@@ -3,7 +3,7 @@
 
 import pytest
 
-from .network import setup_cronos, setup_geth
+from .network import setup_cronos, setup_geth, setup_chainmain
 
 
 def pytest_configure(config):
diff --git a/integration_tests/network.py b/integration_tests/network.py
index a49c613c52..d474ff63a0 100644
--- a/integration_tests/network.py
+++ b/integration_tests/network.py
@@ -35,6 +35,20 @@ def node_rpc(self, i):
     def cosmos_cli(self, i=0):
         return CosmosCLI(self.base_dir / f"node{i}", self.node_rpc(i), "cronosd")
 
+class Chainmain:
+    def __init__(self, base_dir):
+        self.base_dir = base_dir
+        self.config = json.load(open(base_dir / "config.json"))
+
+    def base_port(self, i):
+        return self.config["validators"][i]["base_port"]
+
+    def node_rpc(self, i):
+        return "tcp://127.0.0.1:%d" % ports.rpc_port(self.base_port(i))
+
+    def cosmos_cli(self, i=0):
+        return CosmosCLI(self.base_dir / f"node{i}", self.node_rpc(i), "cronosd")
+ 
 
 class Geth:
     def __init__(self, w3):
@@ -57,6 +71,23 @@ def setup_cronos(path, base_port):
         proc.wait()
 
 
+def setup_chainmain(path, base_port):
+    print(f'setup_chainmain path {path} base_port {base_port}')
+    cmd = ["start-chainmain", path, "--base_port", str(base_port)]
+    print(*cmd)
+    proc = subprocess.Popen(
+        cmd,
+        preexec_fn=os.setsid,
+    )
+    try:
+        wait_for_port(base_port)
+        yield Chainmain(path / "chainmain-1")
+    finally:
+        os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
+        # proc.terminate()
+        proc.wait()
+        
+
 def setup_geth(path, base_port):
     with (path / "geth.log").open("w") as logfile:
         cmd = [
diff --git a/integration_tests/shell.nix b/integration_tests/shell.nix
index abbdba72fc..3b2ee5419c 100644
--- a/integration_tests/shell.nix
+++ b/integration_tests/shell.nix
@@ -11,5 +11,6 @@ pkgs.mkShell {
     pkgs.nodejs
     pkgs.git
     (import ../nix/testenv.nix { inherit pkgs; })
+    (import ../nix/chainmain.nix { inherit pkgs; })
   ];
 }
diff --git a/integration_tests/test_ibc.py b/integration_tests/test_ibc.py
new file mode 100644
index 0000000000..0a46c9adef
--- /dev/null
+++ b/integration_tests/test_ibc.py
@@ -0,0 +1,18 @@
+
+
+
+import pytest
+from .conftest import setup_cronos, setup_chainmain
+
+@pytest.fixture(scope="module")
+def cronos(tmp_path_factory):
+    print("########################################")
+    print(f'tmp folder= {tmp_path_factory}')
+    # "start-cronos"
+    yield from setup_chainmain(tmp_path_factory.mktemp("chainmain"), 26700)
+
+
+
+def test_ibc(cronos) :     
+    assert True
+    pass
\ No newline at end of file
diff --git a/my/apple/addkey.sh b/my/apple/addkey.sh
new file mode 100755
index 0000000000..e984757466
--- /dev/null
+++ b/my/apple/addkey.sh
@@ -0,0 +1,4 @@
+. ./setup.sh
+
+
+
diff --git a/my/apple/i1.sh b/my/apple/i1.sh
new file mode 100755
index 0000000000..d8e92ab999
--- /dev/null
+++ b/my/apple/i1.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI query bank balances  ethm1fzep9fc7hweq9a706x4vacardl0zl0z3zquzd4 --node $NODE
diff --git a/my/apple/init.sh b/my/apple/init.sh
new file mode 100755
index 0000000000..63cc4645eb
--- /dev/null
+++ b/my/apple/init.sh
@@ -0,0 +1,61 @@
+. ./setup.sh
+
+# validate dependencies are installed
+command -v jq > /dev/null 2>&1 || { echo >&2 "jq not installed. More info: https://stedolan.github.io/jq/download/"; exit 1; }
+
+# remove existing daemon and client
+rm -rf $CHAINHOME
+
+
+$CLI config keyring-backend $KEYRING --home $CHAINHOME
+$CLI config chain-id $CHAINID --home $CHAINHOME
+
+# if $KEY exists it should be deleted
+echo $MYMNEMONICS | $CLI keys add "$KEY" --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 5 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"1 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 0 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"2 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 1 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"3 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 2 --home $CHAINHOME
+
+# Set moniker and chain-id for Ethermint (Moniker can be anything, chain-id must be an integer)
+$CLI init $MONIKER --chain-id $CHAINID --home $CHAINHOME
+
+# Change parameter token denominations to $DENOM
+cat $GENESIS | jq '.app_state["staking"]["params"]["bond_denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["crisis"]["constant_fee"]["denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["gov"]["deposit_params"]["min_deposit"][0]["denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["mint"]["params"]["mint_denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# increase block time (?)
+cat $GENESIS | jq '.consensus_params["block"]["time_iota_ms"]="1000"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# Set gas limit in genesis
+cat $GENESIS | jq '.consensus_params["block"]["max_gas"]="10000000"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# change port
+sed -i "s/create_empty_blocks = true/create_empty_blocks = false/g" $ETHCONFIG
+sed -i "s/26657/$COSMOSPORT1/g" $CLIENTCONFIG
+sed -i "s/26657/$COSMOSPORT1/g" $ETHCONFIG
+sed -i "s/26656/$COSMOSPORT0/g" $ETHCONFIG
+sed -i "s/9090/$GRPCPORT0/g" $APPCONFIG
+sed -i "s/9091/$GRPCPORT1/g" $APPCONFIG
+sed -i "s/8545/$ETHPORT0/g" $APPCONFIG
+sed -i "s/8546/$ETHPORT1/g" $APPCONFIG
+sed -i "s/aphoton/$DENOM/g" $APPCONFIG
+sed -i "s/aphoton/$DENOM/g" $GENESIS
+
+
+
+# Allocate genesis accounts (cosmos formatted addresses)
+$CLI add-genesis-account $KEY $TOTALAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"1 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"2 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"3 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+
+$CLI gentx $KEY $MYAMOUNT --keyring-backend $KEYRING --chain-id $CHAINID  --home $CHAINHOME
+
+$CLI collect-gentxs  --home $CHAINHOME
+
+$CLI validate-genesis  --home $CHAINHOME
+
+
+. ./run.sh
diff --git a/my/apple/run.sh b/my/apple/run.sh
new file mode 100755
index 0000000000..e572200c0a
--- /dev/null
+++ b/my/apple/run.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI start --pruning=nothing $TRACE --log_level $LOGLEVEL --minimum-gas-prices=0.0001$DENOM --json-rpc.api eth,txpool,personal,net,debug,web3,miner  --home $CHAINHOME 
diff --git a/my/apple/s1.sh b/my/apple/s1.sh
new file mode 100755
index 0000000000..7705c50ba8
--- /dev/null
+++ b/my/apple/s1.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI query bank balances  $S1 --node $NODE
diff --git a/my/apple/s2.sh b/my/apple/s2.sh
new file mode 100755
index 0000000000..4468eb16ae
--- /dev/null
+++ b/my/apple/s2.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI query bank balances  $S2 --node $NODE
diff --git a/my/apple/send.sh b/my/apple/send.sh
new file mode 100755
index 0000000000..528514e129
--- /dev/null
+++ b/my/apple/send.sh
@@ -0,0 +1,8 @@
+. ./setup.sh
+export FROM=$S1
+export TO=$S2
+
+
+export AMOUNT=2100000000000000001$DENOM
+echo "send amount $AMOUNT"
+$CLI tx bank  send $FROM $TO $AMOUNT --chain-id $CHAINID --keyring-backend $KEYRING  --fees 20$DENOM --home $CHAINHOME
diff --git a/my/apple/send0.sh b/my/apple/send0.sh
new file mode 100755
index 0000000000..f2d2997e40
--- /dev/null
+++ b/my/apple/send0.sh
@@ -0,0 +1,8 @@
+. ./setup.sh
+export FROM=$K1
+export TO=$S1
+
+
+export AMOUNT=1001000000000000000000$DENOM
+echo "send amount $AMOUNT"
+$CLI tx bank  send $FROM $TO $AMOUNT --chain-id $CHAINID --keyring-backend $KEYRING  --fees 20$DENOM --home $CHAINHOME
diff --git a/my/apple/setup.sh b/my/apple/setup.sh
new file mode 100755
index 0000000000..d6f29fd770
--- /dev/null
+++ b/my/apple/setup.sh
@@ -0,0 +1,43 @@
+
+export KEY="mykey"
+export CHAINID="applemint_9000-2"
+export MONIKER="localtestnet"
+export KEYRING="test"
+export KEYALGO="eth_secp256k1"
+export LOGLEVEL="info"
+# to trace evm
+export TRACE="--trace"
+#export TRACE=""
+export CHAINHOME=$HOME/.$CHAINID
+
+export ETHCONFIG=$CHAINHOME/config/config.toml
+export GENESIS=$CHAINHOME/config/genesis.json
+export TMPGENESIS=$CHAINHOME/config/tmp_genesis.json
+export APPCONFIG=$CHAINHOME/config/app.toml
+export CLIENTCONFIG=$CHAINHOME/config/client.toml
+export DENOM=aapple
+#echo $GENESIS
+#echo $TMPGENESIS
+#echo $ETHCONFIG
+#echo $APPCONFIG
+#echo 'DENOM='$DENOM
+
+
+export GRPCPORT0=9090
+export GRPCPORT1=9091
+export ETHPORT0=8545
+export ETHPORT1=8546
+export COSMOSPORT0=26656
+export COSMOSPORT1=26657
+export CLI=cronosd
+export NODE=tcp://127.0.0.1:26657
+$CLI keys list --keyring-backend $KEYRING --home $CHAINHOME
+#echo 'HOME='$CHAINHOME
+
+export TOTALAMOUNT=100000000000000000000000000000000$DENOM
+export MYAMOUNT=1000100000000000000001$DENOM
+
+export K1=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[0].address' |  tr -d '"')
+export S1=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[1].address' |  tr -d '"')
+export S2=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[2].address' |  tr -d '"')
+
diff --git a/my/pear/addkey.sh b/my/pear/addkey.sh
new file mode 100755
index 0000000000..e984757466
--- /dev/null
+++ b/my/pear/addkey.sh
@@ -0,0 +1,4 @@
+. ./setup.sh
+
+
+
diff --git a/my/pear/init.sh b/my/pear/init.sh
new file mode 100755
index 0000000000..63cc4645eb
--- /dev/null
+++ b/my/pear/init.sh
@@ -0,0 +1,61 @@
+. ./setup.sh
+
+# validate dependencies are installed
+command -v jq > /dev/null 2>&1 || { echo >&2 "jq not installed. More info: https://stedolan.github.io/jq/download/"; exit 1; }
+
+# remove existing daemon and client
+rm -rf $CHAINHOME
+
+
+$CLI config keyring-backend $KEYRING --home $CHAINHOME
+$CLI config chain-id $CHAINID --home $CHAINHOME
+
+# if $KEY exists it should be deleted
+echo $MYMNEMONICS | $CLI keys add "$KEY" --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 5 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"1 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 0 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"2 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 1 --home $CHAINHOME
+echo $MYMNEMONICS | $CLI keys add "$KEY"3 --keyring-backend $KEYRING --algo "eth_secp256k1" --recover --index 2 --home $CHAINHOME
+
+# Set moniker and chain-id for Ethermint (Moniker can be anything, chain-id must be an integer)
+$CLI init $MONIKER --chain-id $CHAINID --home $CHAINHOME
+
+# Change parameter token denominations to $DENOM
+cat $GENESIS | jq '.app_state["staking"]["params"]["bond_denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["crisis"]["constant_fee"]["denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["gov"]["deposit_params"]["min_deposit"][0]["denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+cat $GENESIS | jq '.app_state["mint"]["params"]["mint_denom"]="'$DENOM'"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# increase block time (?)
+cat $GENESIS | jq '.consensus_params["block"]["time_iota_ms"]="1000"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# Set gas limit in genesis
+cat $GENESIS | jq '.consensus_params["block"]["max_gas"]="10000000"' > $TMPGENESIS && mv $TMPGENESIS $GENESIS
+
+# change port
+sed -i "s/create_empty_blocks = true/create_empty_blocks = false/g" $ETHCONFIG
+sed -i "s/26657/$COSMOSPORT1/g" $CLIENTCONFIG
+sed -i "s/26657/$COSMOSPORT1/g" $ETHCONFIG
+sed -i "s/26656/$COSMOSPORT0/g" $ETHCONFIG
+sed -i "s/9090/$GRPCPORT0/g" $APPCONFIG
+sed -i "s/9091/$GRPCPORT1/g" $APPCONFIG
+sed -i "s/8545/$ETHPORT0/g" $APPCONFIG
+sed -i "s/8546/$ETHPORT1/g" $APPCONFIG
+sed -i "s/aphoton/$DENOM/g" $APPCONFIG
+sed -i "s/aphoton/$DENOM/g" $GENESIS
+
+
+
+# Allocate genesis accounts (cosmos formatted addresses)
+$CLI add-genesis-account $KEY $TOTALAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"1 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"2 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+$CLI add-genesis-account "$KEY"3 $MYAMOUNT --keyring-backend $KEYRING  --home $CHAINHOME
+
+$CLI gentx $KEY $MYAMOUNT --keyring-backend $KEYRING --chain-id $CHAINID  --home $CHAINHOME
+
+$CLI collect-gentxs  --home $CHAINHOME
+
+$CLI validate-genesis  --home $CHAINHOME
+
+
+. ./run.sh
diff --git a/my/pear/run.sh b/my/pear/run.sh
new file mode 100755
index 0000000000..8e89a844a3
--- /dev/null
+++ b/my/pear/run.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI start --pruning=nothing $TRACE --log_level $LOGLEVEL --minimum-gas-prices=0.0001$DENOM --json-rpc.api eth,txpool,personal,net,debug,web3,miner  --home $CHAINHOME
\ No newline at end of file
diff --git a/my/pear/s1.sh b/my/pear/s1.sh
new file mode 100755
index 0000000000..7705c50ba8
--- /dev/null
+++ b/my/pear/s1.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI query bank balances  $S1 --node $NODE
diff --git a/my/pear/s2.sh b/my/pear/s2.sh
new file mode 100755
index 0000000000..4468eb16ae
--- /dev/null
+++ b/my/pear/s2.sh
@@ -0,0 +1,2 @@
+. ./setup.sh
+$CLI query bank balances  $S2 --node $NODE
diff --git a/my/pear/send.sh b/my/pear/send.sh
new file mode 100755
index 0000000000..528514e129
--- /dev/null
+++ b/my/pear/send.sh
@@ -0,0 +1,8 @@
+. ./setup.sh
+export FROM=$S1
+export TO=$S2
+
+
+export AMOUNT=2100000000000000001$DENOM
+echo "send amount $AMOUNT"
+$CLI tx bank  send $FROM $TO $AMOUNT --chain-id $CHAINID --keyring-backend $KEYRING  --fees 20$DENOM --home $CHAINHOME
diff --git a/my/pear/send0.sh b/my/pear/send0.sh
new file mode 100755
index 0000000000..f2d2997e40
--- /dev/null
+++ b/my/pear/send0.sh
@@ -0,0 +1,8 @@
+. ./setup.sh
+export FROM=$K1
+export TO=$S1
+
+
+export AMOUNT=1001000000000000000000$DENOM
+echo "send amount $AMOUNT"
+$CLI tx bank  send $FROM $TO $AMOUNT --chain-id $CHAINID --keyring-backend $KEYRING  --fees 20$DENOM --home $CHAINHOME
diff --git a/my/pear/setup.sh b/my/pear/setup.sh
new file mode 100755
index 0000000000..7c5b75e046
--- /dev/null
+++ b/my/pear/setup.sh
@@ -0,0 +1,43 @@
+
+export KEY="mykey"
+export CHAINID="pearmint_9000-6"
+export MONIKER="localtestnet"
+export KEYRING="test"
+export KEYALGO="eth_secp256k1"
+export LOGLEVEL="info"
+# to trace evm
+export TRACE="--trace"
+#export TRACE=""
+export CHAINHOME=$HOME/.$CHAINID
+
+export ETHCONFIG=$CHAINHOME/config/config.toml
+export GENESIS=$CHAINHOME/config/genesis.json
+export TMPGENESIS=$CHAINHOME/config/tmp_genesis.json
+export APPCONFIG=$CHAINHOME/config/app.toml
+export CLIENTCONFIG=$CHAINHOME/config/client.toml
+export DENOM=apear
+#echo $GENESIS
+#echo $TMPGENESIS
+#echo $ETHCONFIG
+#echo $APPCONFIG
+#echo 'DENOM='$DENOM
+
+
+export GRPCPORT0=9080
+export GRPCPORT1=9081
+export ETHPORT0=8535
+export ETHPORT1=8536
+export COSMOSPORT0=26646
+export COSMOSPORT1=26647
+export CLI=cronosd
+export NODE=tcp://127.0.0.1:26647
+$CLI keys list --keyring-backend $KEYRING --home $CHAINHOME
+#echo 'HOME='$CHAINHOME
+
+export TOTALAMOUNT=100000000000000000000000000000000$DENOM
+export MYAMOUNT=1000100000000000000001$DENOM
+
+export K1=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[0].address' |  tr -d '"')
+export S1=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[1].address' |  tr -d '"')
+export S2=$($CLI keys list --keyring-backend $KEYRING --home $CHAINHOME | yq eval  -o json | jq '.[2].address' |  tr -d '"')
+
diff --git a/myold.nix b/myold.nix
new file mode 100644
index 0000000000..5fa276fdb6
--- /dev/null
+++ b/myold.nix
@@ -0,0 +1,16 @@
+{ system ? builtins.currentSystem, pkgs ? import ./nix { inherit system; } }:
+pkgs.buildGoApplication rec {
+  pname = "chainmain";
+  version = "0.1";
+  src = ../chain-main;
+  subPackages = [ "../chain-main/cmd/chain-maind" ];
+  CGO_ENABLED = "1";
+  modules = ../chain-main/gomod2nix.toml;
+  buildFlagsArray = ''
+    -ldflags=
+    -X github.com/cosmos/cosmos-sdk/version.Name=cronos
+    -X github.com/cosmos/cosmos-sdk/version.AppName=${pname}
+    -X github.com/cosmos/cosmos-sdk/version.Version=${version}
+  '';
+}
+
diff --git a/nix/chainmain.nix b/nix/chainmain.nix
new file mode 100644
index 0000000000..c1b678b048
--- /dev/null
+++ b/nix/chainmain.nix
@@ -0,0 +1,25 @@
+{ system ? builtins.currentSystem, pkgs ? import ./nix { inherit system; } }:
+pkgs.buildGoModule rec {
+  pname = "chainmain";
+  version = "0.1";
+  src =  pkgs.fetchFromGitHub {
+    owner = "crypto-org-chain";
+    repo = "chain-main";
+    rev = "v3.1.1";
+    sha256 ="113vhzmpsnghf8ip1jj9m9i9x9lgwbyxhkr73kvqddin52fd8nsz";
+  };
+  
+     runVend = true;
+  vendorSha256 = "sha256:0m3w1aq54p46ckxkczh9yjw211lzsj70nygwmx372q2q2xrl2fhg";
+
+  subPackages = [ "cmd/chain-maind" ];
+  CGO_ENABLED = "1";
+  
+  buildFlagsArray = ''
+    -ldflags=
+    -X github.com/cosmos/cosmos-sdk/version.Name=chainmain
+    -X github.com/cosmos/cosmos-sdk/version.AppName=${pname}
+    -X github.com/cosmos/cosmos-sdk/version.Version=${version}
+  '';
+}
+
diff --git a/nix/default.nix b/nix/default.nix
index 1e3465f62d..e35bdfc5e2 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -13,6 +13,7 @@ import sources.nixpkgs {
       import ./scripts.nix {
         inherit pkgs;
         config = {
+          chainmain-config = ../scripts/chainmain-devnet.yaml;
           cronos-config = ../scripts/cronos-devnet.yaml;
           geth-genesis = ../scripts/geth-genesis.json;
         };
diff --git a/nix/scripts.nix b/nix/scripts.nix
index 6c57bcf613..fa10728682 100644
--- a/nix/scripts.nix
+++ b/nix/scripts.nix
@@ -1,8 +1,14 @@
 { pkgs
 , config
 , cronos ? (import ../. { inherit pkgs; })
+, chainmain ? (import ../nix/chainmain.nix { inherit pkgs; })
+
 }:
 rec {
+  start-chainmain = pkgs.writeShellScriptBin "start-chainmain" ''
+    export PATH=${pkgs.pystarport}/bin:${chainmain}/bin:$PATH
+    ${../scripts/start-chainmain} ${config.chainmain-config} $@
+  '';
   start-cronos = pkgs.writeShellScriptBin "start-cronos" ''
     export PATH=${pkgs.pystarport}/bin:${cronos}/bin:$PATH
     ${../scripts/start-cronos} ${config.cronos-config} $@
@@ -13,6 +19,6 @@ rec {
   '';
   start-scripts = pkgs.symlinkJoin {
     name = "start-scripts";
-    paths = [ start-cronos start-geth ];
+    paths = [ start-cronos start-geth start-chainmain ];
   };
 }
diff --git a/scripts/chainmain-devnet.yaml b/scripts/chainmain-devnet.yaml
new file mode 100644
index 0000000000..cec37c0912
--- /dev/null
+++ b/scripts/chainmain-devnet.yaml
@@ -0,0 +1,38 @@
+chainmain-1:
+  cmd: chain-maind
+  start-flags: "--trace"
+  validators:
+    - coins: 10cro
+      staked: 10cro
+#   min_self_delegation: 10000000  # 0.1cro
+  accounts:
+    - name: community
+      coins: 100cro
+    - name: ecosystem
+      coins: 200cro
+    - name: reserve
+      coins: 200cro
+      vesting: "60s"
+    - name: launch
+      coins: 100cro
+    - name: signer1
+      coins: 10000cro
+    - name: signer2
+      coins: 2000cro
+    - name: msigner1
+      coins: 2000cro
+    - name: msigner2
+      coins: 2000cro
+  genesis:
+    app_state:
+      staking:
+        params:
+          unbonding_time: "10s"
+      gov:
+        voting_params:
+          voting_period: "10s"
+        deposit_params:
+          max_deposit_period: "10s"
+          min_deposit:
+            - denom: "basecro"
+              amount: "10000000"
diff --git a/scripts/start-chainmain b/scripts/start-chainmain
new file mode 100755
index 0000000000..2157af3ba0
--- /dev/null
+++ b/scripts/start-chainmain
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -e
+
+CONFIG=$1
+if [ -z "$CONFIG" ]; then
+    echo "No config file supplied"
+    exit 1
+fi
+shift
+
+
+DATA=$1
+if [ -z "$DATA" ]; then
+    echo "No data directory supplied"
+    exit 1
+fi
+shift
+
+# `pystarport serve` don't work for integration test for some weird reason
+echo 'config'$CONFIG
+echo 'data'$DATA
+pystarport init --config $CONFIG --data $DATA $@
+supervisord -c $DATA/tasks.ini
diff --git a/scripts/start-cronos b/scripts/start-cronos
index 4d1ccdbee8..2157af3ba0 100755
--- a/scripts/start-cronos
+++ b/scripts/start-cronos
@@ -8,6 +8,7 @@ if [ -z "$CONFIG" ]; then
 fi
 shift
 
+
 DATA=$1
 if [ -z "$DATA" ]; then
     echo "No data directory supplied"
@@ -16,5 +17,7 @@ fi
 shift
 
 # `pystarport serve` don't work for integration test for some weird reason
+echo 'config'$CONFIG
+echo 'data'$DATA
 pystarport init --config $CONFIG --data $DATA $@
 supervisord -c $DATA/tasks.ini