From d8694070c74e4014486ae768e35ebed6eb739003 Mon Sep 17 00:00:00 2001
From: mossid <torecursedivine@gmail.com>
Date: Tue, 3 Apr 2018 18:19:47 +0200
Subject: [PATCH] use tmlibs/log

---
 x/ibc/commands/README.md |  7 +++----
 x/ibc/commands/relay.go  | 31 +++++++++++++++++++++----------
 2 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/x/ibc/commands/README.md b/x/ibc/commands/README.md
index 30d19cdcecc4..b779542f3d1e 100644
--- a/x/ibc/commands/README.md
+++ b/x/ibc/commands/README.md
@@ -133,11 +133,10 @@ Committed at block 1022. Hash: E16019DCC4AA08CA70AFCFBC96028ABCC51B6AD0
 ## Relay IBC packets
 
 ```console
-> basecli relay --name key2 --from-chain-id $ID1 --from-chain-node $NODE1 --to-chain-id $ID2 --to-chain-node $ID2 --chain-id $ID2
+> basecli relay --name key2 --from-chain-id $ID1 --from-chain-node $NODE1 --to-chain-id $ID2 --to-chain-node $NODE2 --chain-id $ID2
 Password to sign with 'key2':
-IBC packet #0 detected
-Relayed IBC packet #0
-
+I[04-03|16:18:59.984] IBC packet detected                          number=0
+I[04-03|16:19:00.869] Relayed IBC packet                           number=0
 > basecli account $ADDR2 --node $NODE2
 {
   "address": "DC26002735D3AA9573707CFA6D77C12349E49868",
diff --git a/x/ibc/commands/relay.go b/x/ibc/commands/relay.go
index ecdcaed396b3..45e53d6428cd 100644
--- a/x/ibc/commands/relay.go
+++ b/x/ibc/commands/relay.go
@@ -1,12 +1,14 @@
 package commands
 
 import (
-	"fmt"
+	"os"
 	"time"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
+	"github.com/tendermint/tmlibs/log"
+
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/builder"
 
@@ -30,6 +32,8 @@ type relayCommander struct {
 	decoder   sdk.AccountDecoder
 	mainStore string
 	ibcStore  string
+
+	logger log.Logger
 }
 
 func IBCRelayCmd(cdc *wire.Codec) *cobra.Command {
@@ -38,6 +42,8 @@ func IBCRelayCmd(cdc *wire.Codec) *cobra.Command {
 		decoder:   authcmd.GetAccountDecoder(cdc),
 		ibcStore:  "ibc",
 		mainStore: "main",
+
+		logger: log.NewTMLogger(log.NewSyncWriter(os.Stdout)),
 	}
 
 	cmd := &cobra.Command{
@@ -105,7 +111,7 @@ OUTER:
 		lengthKey := ibc.EgressLengthKey(toChainID)
 		egressLengthbz, err := query(fromChainNode, lengthKey, c.ibcStore)
 		if err != nil {
-			fmt.Printf("Error querying outgoing packet list length: '%s'\n", err)
+			c.logger.Error("Error querying outgoing packet list length", "err", err)
 			continue OUTER
 		}
 		var egressLength int64
@@ -115,26 +121,29 @@ OUTER:
 			panic(err)
 		}
 		if egressLength > processed {
-			fmt.Printf("IBC packet #%d detected\n", egressLength-1)
+			c.logger.Info("IBC packet detected", "number", egressLength-1)
 		}
 
+		seq := c.getSequence(toChainNode)
+
 		for i := processed; i < egressLength; i++ {
 			egressbz, err := query(fromChainNode, ibc.EgressKey(toChainID, i), c.ibcStore)
 			if err != nil {
-				fmt.Printf("Error querying egress packet: '%s'\n", err)
+				c.logger.Error("Error querying egress packet", "err", err)
 				continue OUTER
 			}
 
+			viper.Set(client.FlagSequence, seq)
+			seq++
+
 			err = c.broadcastTx(toChainNode, c.refine(egressbz, i, passphrase))
 			if err != nil {
-				fmt.Printf("Error broadcasting ingress packet: '%s'\n", err)
+				c.logger.Error("Error broadcasting ingress packet", "err", err)
 				continue OUTER
 			}
 
-			fmt.Printf("Relayed IBC packet #%d\n", i)
+			c.logger.Info("Relayed IBC packet", "number", i)
 		}
-
-		processed = egressLength
 	}
 }
 
@@ -149,8 +158,6 @@ func query(node string, key []byte, storeName string) (res []byte, err error) {
 func (c relayCommander) broadcastTx(node string, tx []byte) error {
 	orig := viper.GetString(client.FlagNode)
 	viper.Set(client.FlagNode, node)
-	seq := c.getSequence(node)
-	viper.Set(client.FlagSequence, seq)
 	_, err := builder.BroadcastTx(tx)
 	viper.Set(client.FlagNode, orig)
 	return err
@@ -170,6 +177,10 @@ func (c relayCommander) getSequence(node string) int64 {
 	return account.GetSequence()
 }
 
+func setSequence(seq int64) {
+	viper.Set(client.FlagSequence, seq)
+}
+
 func (c relayCommander) refine(bz []byte, sequence int64, passphrase string) []byte {
 	var packet ibc.IBCPacket
 	if err := c.cdc.UnmarshalBinary(bz, &packet); err != nil {