Handle david's feedback

go.mod

@@ -1,6 +1,6 @@
 module github.com/cosmos/relayer/v2
 
-go 1.17
+go 1.18
 
 require (
 	github.com/avast/retry-go v2.6.0+incompatible // indirect
@@ -29,60 +29,43 @@ require (
 require (
 	filippo.io/edwards25519 v1.0.0-beta.2 // indirect
 	github.com/99designs/keyring v1.1.6 // indirect
-	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d // indirect
 	github.com/DataDog/zstd v1.4.5 // indirect
 	github.com/Microsoft/go-winio v0.5.1 // indirect
-	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 // indirect
-	github.com/Workiva/go-datastructures v1.0.52 // indirect
 	github.com/acomagu/bufpipe v1.0.3 // indirect
 	github.com/armon/go-metrics v0.3.10 // indirect
 	github.com/benbjohnson/clock v1.1.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bgentry/speakeasy v0.1.0 // indirect
 	github.com/btcsuite/btcd v0.22.0-beta // indirect
-	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/coinbase/rosetta-sdk-go v0.7.0 // indirect
 	github.com/confio/ics23/go v0.7.0 // indirect
-	github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6 // indirect
 	github.com/cosmos/btcutil v1.0.4 // indirect
 	github.com/cosmos/go-bip39 v1.0.0 // indirect
 	github.com/cosmos/iavl v0.17.3 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.11.1 // indirect
 	github.com/cosmos/ledger-go v0.9.2 // indirect
 	github.com/danieljoos/wincred v1.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
 	github.com/dgraph-io/badger/v2 v2.2007.2 // indirect
 	github.com/dgraph-io/ristretto v0.0.3 // indirect
 	github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 // indirect
-	github.com/docker/cli v20.10.11+incompatible // indirect
-	github.com/docker/docker v20.10.7+incompatible // indirect
-	github.com/docker/go-connections v0.4.0 // indirect
-	github.com/docker/go-units v0.4.0 // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/dvsekhvalnov/jose2go v0.0.0-20200901110807-248326c1351b // indirect
 	github.com/emirpasic/gods v1.12.0 // indirect
-	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/go-git/gcfg v1.5.0 // indirect
 	github.com/go-git/go-billy/v5 v5.3.1 // indirect
 	github.com/go-kit/kit v0.10.0 // indirect
 	github.com/go-logfmt/logfmt v0.5.0 // indirect
 	github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 // indirect
-	github.com/gogo/gateway v1.1.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/golang/snappy v0.0.3 // indirect
 	github.com/google/btree v1.0.0 // indirect
-	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-github/v43 v43.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/google/orderedcode v0.0.1 // indirect
-	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
-	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
@@ -94,28 +77,19 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hdevalence/ed25519consensus v0.0.0-20210204194344-59a8610d2b87 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
-	github.com/improbable-eng/grpc-web v0.14.1 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/jmhodges/levigo v1.0.0 // indirect
 	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
 	github.com/keybase/go-keychain v0.0.0-20190712205309-48d3d31d256d // indirect
-	github.com/klauspost/compress v1.11.7 // indirect
-	github.com/lib/pq v1.10.2 // indirect
 	github.com/libp2p/go-buffer-pool v0.0.2 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mimoo/StrobeGo v0.0.0-20181016162300-f8f6d4d2b643 // indirect
-	github.com/minio/highwayhash v1.0.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
-	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635 // indirect
 	github.com/mtibben/percent v0.2.1 // indirect
-	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
-	github.com/opencontainers/image-spec v1.0.2 // indirect
-	github.com/opencontainers/runc v1.0.3 // indirect
-	github.com/ory/dockertest/v3 v3.8.1 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
@@ -124,14 +98,10 @@ require (
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.29.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
-	github.com/rakyll/statik v0.1.7 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
 	github.com/regen-network/cosmos-proto v0.3.1 // indirect
-	github.com/rs/cors v1.7.0 // indirect
-	github.com/rs/zerolog v1.23.0 // indirect
 	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa // indirect
 	github.com/sergi/go-diff v1.1.0 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
@@ -144,9 +114,6 @@ require (
 	github.com/tendermint/go-amino v0.16.0 // indirect
 	github.com/tendermint/tm-db v0.6.4 // indirect
 	github.com/xanzy/ssh-agent v0.3.0 // indirect
-	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
-	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	github.com/zondax/hid v0.9.0 // indirect
 	go.etcd.io/bbolt v1.3.5 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
@@ -160,7 +127,6 @@ require (
 	gopkg.in/ini.v1 v1.66.2 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	nhooyr.io/websocket v1.8.6 // indirect
 )
 
 replace github.com/keybase/go-keychain => github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4