feemarket: unit tests (#749)

* Fee-Market(Types): Setup Params tests

* Fee-Market(Types): Add all Params tests

* Fee-Market(Types): Add genesis tests

* Fee-Market(Keeper): Copy Keeper setup from EVM module and add Params tests

* Fee-Market(Keeper): Add Keeper tests

* test fix

Co-authored-by: Federico Kunze Küllmer <federico.kunze94@gmail.com>

go.mod

@@ -36,8 +36,8 @@ require (
 	github.com/tendermint/tm-db v0.6.4
 	github.com/tyler-smith/go-bip39 v1.1.0
 	go.etcd.io/bbolt v1.3.6 // indirect
-	golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa // indirect
+	golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8 // indirect
-	google.golang.org/genproto v0.0.0-20211104193956-4c6863e31247
+	google.golang.org/genproto v0.0.0-20211116182654-e63d96a377c4
 	google.golang.org/grpc v1.41.0
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/yaml.v2 v2.4.0
@@ -48,9 +48,13 @@ require (
 	github.com/99designs/keyring v1.1.6 // indirect
 	github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d // indirect
 	github.com/DataDog/zstd v1.4.8 // indirect
+	github.com/Masterminds/goutils v1.1.1 // indirect
+	github.com/Masterminds/semver v1.5.0 // indirect
+	github.com/Masterminds/sprig v2.22.0+incompatible // indirect
 	github.com/StackExchange/wmi v1.2.1 // indirect
 	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
 	github.com/Workiva/go-datastructures v1.0.52 // indirect
+	github.com/aokoli/goutils v1.1.1 // indirect
 	github.com/armon/go-metrics v0.3.9 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bgentry/speakeasy v0.1.0 // indirect
@@ -72,6 +76,7 @@ require (
 	github.com/dvsekhvalnov/jose2go v0.0.0-20200901110807-248326c1351b // indirect
 	github.com/edsrzf/mmap-go v1.0.0 // indirect
 	github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25 // indirect
+	github.com/envoyproxy/protoc-gen-validate v0.6.2 // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
@@ -96,7 +101,9 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hdevalence/ed25519consensus v0.0.0-20210204194344-59a8610d2b87 // indirect
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
+	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/huin/goupnp v1.0.2 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458 // indirect
 	github.com/jmhodges/levigo v1.0.0 // indirect
@@ -109,8 +116,10 @@ require (
 	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/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.2 // indirect
 	github.com/mtibben/percent v0.2.1 // indirect
+	github.com/mwitkow/go-proto-validators v0.3.2 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/onsi/gomega v1.17.0 // indirect
@@ -122,6 +131,7 @@ require (
 	github.com/prometheus/common v0.29.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/prometheus/tsdb v0.7.1 // indirect
+	github.com/pseudomuto/protoc-gen-doc v1.5.0 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa // indirect
 	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect

go.sum

@@ -76,6 +76,14 @@ github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t
 github.com/DataDog/zstd v1.4.8 h1:Rpmta4xZ/MgZnriKNd24iZMhGpP5dvUcs/uqfBapKZY=
 github.com/DataDog/zstd v1.4.8/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
+github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
+github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
+github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
+github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
+github.com/Masterminds/sprig v2.15.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuNhlNS5hqE0NB0E6fgfo2Br3o=
+github.com/Masterminds/sprig v2.22.0+incompatible h1:z4yfnGrZ7netVz+0EDJ0Wi+5VZCSYp4Z0m2dk6cEM60=
+github.com/Masterminds/sprig v2.22.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuNhlNS5hqE0NB0E6fgfo2Br3o=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.5.0 h1:Elr9Wn+sGKPlkaBvwu4mTrxtmOp3F3yV9qhaHbXGjwU=
 github.com/Microsoft/go-winio v0.5.0/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
@@ -111,6 +119,9 @@ github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKS
 github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/aokoli/goutils v1.0.1/go.mod h1:SijmP0QR8LtwsmDs8Yii5Z/S4trXFGFC2oO5g9DP+DQ=
+github.com/aokoli/goutils v1.1.1 h1:/hA+Ywo3AxoDZY5ZMnkiEkUvkK4BPp927ax110KCqqg=
+github.com/aokoli/goutils v1.1.1/go.mod h1:SijmP0QR8LtwsmDs8Yii5Z/S4trXFGFC2oO5g9DP+DQ=
 github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -241,6 +252,7 @@ github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2
 github.com/danieljoos/wincred v1.0.2 h1:zf4bhty2iLuwgjgpraD2E9UbvO+fe54XXGJbOwe23fU=
 github.com/danieljoos/wincred v1.0.2/go.mod h1:SnuYRW9lp1oJrZX/dXJqr0cPK5gYXqx3EJbmjhLdK9U=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
+github.com/davecgh/go-spew v0.0.0-20161028175848-04cdfd42973b/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -290,6 +302,9 @@ github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25 h1:2vLKys4RBU4
 github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25/go.mod h1:hTr8+TLQmkUkgcuh3mcr5fjrT9c64ZzsBCdCEC6UppY=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/envoyproxy/protoc-gen-validate v0.3.0-java/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/envoyproxy/protoc-gen-validate v0.6.2 h1:JiO+kJTpmYGjEodY7O1Zk8oZcNz1+f30UtwtXoFUPzE=
+github.com/envoyproxy/protoc-gen-validate v0.6.2/go.mod h1:2t7qjJNvHPx8IjnBOzl9E9/baC+qXE/TeeyBRzgJDws=
 github.com/ethereum/go-ethereum v1.9.25/go.mod h1:vMkFiYLHI4tgPw4k2j4MHKoovchFE8plZ0M9VMk4/oM=
 github.com/ethereum/go-ethereum v1.10.4/go.mod h1:nEE0TP5MtxGzOMd7egIrbPJMQBnhVU3ELNxhBglIzhg=
 github.com/ethereum/go-ethereum v1.10.11 h1:KKIcwpmur9iTaVbR2dxlHu+peHVhU+/KX//NWvT1n9U=
@@ -464,6 +479,7 @@ github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/uuid v0.0.0-20161128191214-064e2069ce9c/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -558,14 +574,21 @@ github.com/holiman/uint256 v1.1.1/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25
 github.com/holiman/uint256 v1.2.0 h1:gpSYcPLWGv4sG43I2mVLiDZCNDh/EpGjSk8tmtxitHM=
 github.com/holiman/uint256 v1.2.0/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/huandu/xstrings v1.0.0/go.mod h1:4qWG/gcEcfX4z/mBDHJ++3ReCw9ibxbsNJbcucJdbSo=
+github.com/huandu/xstrings v1.3.2 h1:L18LIDzqlW6xN2rEkpdV8+oL/IXWJ1APd+vsdYy4Wdw=
+github.com/huandu/xstrings v1.3.2/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
 github.com/huin/goupnp v1.0.0/go.mod h1:n9v9KO1tAxYH82qOn+UTIFQDmx5n1Zxd/ClZDMX7Bnc=
 github.com/huin/goupnp v1.0.1-0.20210310174557-0ca763054c88/go.mod h1:nNs7wvRfN1eKaMknBydLNQU6146XQim8t4h+q90biWo=
 github.com/huin/goupnp v1.0.2 h1:RfGLP+h3mvisuWEyybxNq5Eft3NWhHLPeUN72kpKZoI=
 github.com/huin/goupnp v1.0.2/go.mod h1:0dxJBVBHqTMjIUMkESDTNgOOx/Mw5wYIfyFmdzSamkM=
 github.com/huin/goutil v0.0.0-20170803182201-1ca381bf3150/go.mod h1:PpLOETDnJ0o3iZrZfqZzyLl6l7F3c6L1oWn7OICBi6o=
+github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/imdario/mergo v0.3.4/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
+github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/improbable-eng/grpc-web v0.14.1/go.mod h1:zEjGHa8DAlkoOXmswrNvhUGEYQA9UI7DhrGeHR1DMGU=
 github.com/improbable-eng/grpc-web v0.15.0 h1:BN+7z6uNXZ1tQGcNAuaU1YjsLTApzkjt2tzCixLaUPQ=
 github.com/improbable-eng/grpc-web v0.15.0/go.mod h1:1sy9HKV4Jt9aEs9JSnkWlRJPuPtwNr0l57L4f878wP8=
@@ -659,6 +682,7 @@ github.com/libp2p/go-buffer-pool v0.0.2/go.mod h1:MvaB6xw5vOrDl8rYZGLFdKAuk/hRoR
 github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lucasjones/reggen v0.0.0-20180717132126-cdb49ff09d77/go.mod h1:5ELEyG+X8f+meRWHuqUOewBOhvHkl7M76pdGEansxW4=
+github.com/lyft/protoc-gen-star v0.5.3/go.mod h1:V0xaHgaf5oCCqmcxYcWiDfTiKsZsRc87/1qhoTACD8w=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
@@ -705,6 +729,8 @@ github.com/minio/highwayhash v1.0.1 h1:dZ6IIu8Z14VlC0VpfKofAhCy74wu/Qb5gcn52yWoz
 github.com/minio/highwayhash v1.0.1/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/cli v1.1.0/go.mod h1:xcISNoH86gajksDmfB23e/pu+B+GeFRMYmoHXxx3xhI=
+github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
+github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
@@ -718,6 +744,8 @@ github.com/mitchellh/mapstructure v1.4.2 h1:6h7AQ0yhTcIsmFmnAwQls75jp2Gzs4iB8W7p
 github.com/mitchellh/mapstructure v1.4.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/pointerstructure v1.2.0 h1:O+i9nHnXS3l/9Wu7r4NrEdwA2VFTicjUEN1uBnDo34A=
 github.com/mitchellh/pointerstructure v1.2.0/go.mod h1:BRAsLI5zgXmw97Lf6s25bs8ohIXc3tViBH44KcwB2g4=
+github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
+github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/moby/sys/mountinfo v0.4.1/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
@@ -732,6 +760,9 @@ github.com/mtibben/percent v0.2.1/go.mod h1:KG9uO+SZkUp+VkRHsCdYQV3XSZrrSpR3O9ib
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+SVif2QVs3tOP0zanoHgBEVAwHxUSIzRqU=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
+github.com/mwitkow/go-proto-validators v0.0.0-20180403085117-0950a7990007/go.mod h1:m2XC9Qq0AlmmVksL6FktJCdTYyLk7V3fKyp0sl1yWQo=
+github.com/mwitkow/go-proto-validators v0.3.2 h1:qRlmpTzm2pstMKKzTdvwPCF5QfBNURSlAgN/R+qbKos=
+github.com/mwitkow/go-proto-validators v0.3.2/go.mod h1:ej0Qp0qMgHN/KtDyUt+Q1/tA7a5VarXUOUxD+oeD30w=
 github.com/mwitkow/grpc-proxy v0.0.0-20181017164139-0f1106ef9c76/go.mod h1:x5OoJHDHqxHS801UIuhqGl6QdSAEJvtausosHSdazIo=
 github.com/naoina/go-stringutil v0.1.0/go.mod h1:XJ2SJL9jCtBh+P9q5btrd/Ylo8XwT/h1USek5+NqSA0=
 github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416/go.mod h1:NBIhNtsFMo3G2szEBne+bO4gS192HuIYRqfvOWb4i1E=
@@ -826,6 +857,7 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6JUPA=
 github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pkg/term v0.0.0-20180730021639-bffc007b7fd5/go.mod h1:eCbImbZ95eXtAUIbLAuAVnBnwf83mjf6QIVH8SHYwqQ=
+github.com/pmezard/go-difflib v0.0.0-20151028094244-d8ed2627bdf0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -873,6 +905,10 @@ github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1
 github.com/prometheus/tsdb v0.6.2-0.20190402121629-4f204dcbc150/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/prometheus/tsdb v0.7.1 h1:YZcsG11NqnK4czYLrWd9mpEuAJIHVQLwdrleYfszMAA=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
+github.com/pseudomuto/protoc-gen-doc v1.5.0 h1:pHZp0MEiT68jrZV8js8BS7E9ZEnlSLegoQbbtXj5lfo=
+github.com/pseudomuto/protoc-gen-doc v1.5.0/go.mod h1:exDTOVwqpp30eV/EDPFLZy3Pwr2sn6hBC1WIYH/UbIg=
+github.com/pseudomuto/protokit v0.2.0 h1:hlnBDcy3YEDXH7kc9gV+NLaN0cDzhDvD1s7Y6FZ8RpM=
+github.com/pseudomuto/protokit v0.2.0/go.mod h1:2PdH30hxVHsup8KpBTOXTBeMVhJZVio3Q8ViKSAXT0Q=
 github.com/rakyll/statik v0.1.7 h1:OF3QCZUuyPxuGEP7B4ypUa7sB/iHtqOTDYZXGM8KOdQ=
 github.com/rakyll/statik v0.1.7/go.mod h1:AlZONWzMtEnMs7W4e/1LURLiI49pIMmp6V9Unghqrcc=
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
@@ -932,6 +968,7 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/afero v1.3.3/go.mod h1:5KUK8ByomD5Ti5Artl0RtHeI5pTF7MIDuXL3yY520V4=
 github.com/spf13/afero v1.6.0 h1:xoax2sJ2DT8S8xA2paPFjDCScCNeWsg75VG0DLRreiY=
 github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -970,6 +1007,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
+github.com/stretchr/testify v0.0.0-20170130113145-4d4bfba8f1d1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -1077,6 +1115,7 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20180501155221-613d6eafa307/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -1103,6 +1142,8 @@ golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa h1:idItI2DDfCokpg0N51B2VtiLdJ4vAuXC9fnCb2gACo4=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8 h1:5QRxNnVsaJP6NAse0UdkRgL3zHMvCRRkrDVLNdNpdy4=
+golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -1145,6 +1186,7 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1200,6 +1242,7 @@ golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT
 golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211111160137-58aab5ef257a h1:c83jeVQW0KGKNaKBRfelNYNHaev+qawl9yaA825s8XE=
 golang.org/x/net v0.0.0-20211111160137-58aab5ef257a/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@@ -1223,6 +1266,7 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -1464,6 +1508,7 @@ google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCID
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20181107211654-5fc9ac540362/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -1524,6 +1569,8 @@ google.golang.org/genproto v0.0.0-20210821163610-241b8fcbd6c8/go.mod h1:eFjDcFEc
 google.golang.org/genproto v0.0.0-20210828152312-66f60bf46e71/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/genproto v0.0.0-20211104193956-4c6863e31247 h1:ZONpjmFT5e+I/0/xE3XXbG5OIvX2hRYzol04MhKBl2E=
 google.golang.org/genproto v0.0.0-20211104193956-4c6863e31247/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/genproto v0.0.0-20211116182654-e63d96a377c4 h1:nPiLDJ9/wsay2NDshdJ1B24frx+butTxmaVaCxDBChY=
+google.golang.org/genproto v0.0.0-20211116182654-e63d96a377c4/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=

x/feemarket/keeper/grpc_query_test.go

@@ -0,0 +1,24 @@
+package keeper_test
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/tharsis/ethermint/x/feemarket/types"
+)
+
+func (suite *KeeperTestSuite) TestQueryParams() {
+	ctx := sdk.WrapSDKContext(suite.ctx)
+	expParams := types.DefaultParams()
+
+	res, err := suite.queryClient.Params(ctx, &types.QueryParamsRequest{})
+	suite.Require().NoError(err)
+	suite.Require().Equal(expParams, res.Params)
+}
+
+func (suite *KeeperTestSuite) TestQueryBlockGas() {
+	ctx := sdk.WrapSDKContext(suite.ctx)
+
+	res, err := suite.queryClient.BlockGas(ctx, &types.QueryBlockGasRequest{})
+	suite.Require().NoError(err)
+	suite.Require().Equal(int64(0), res.Gas)
+}

x/feemarket/keeper/keeper_test.go

@@ -0,0 +1,177 @@
+package keeper_test
+
+import (
+	_ "embed"
+	"math/big"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+	"github.com/stretchr/testify/suite"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+
+	"github.com/tharsis/ethermint/app"
+	"github.com/tharsis/ethermint/crypto/ethsecp256k1"
+	"github.com/tharsis/ethermint/encoding"
+	"github.com/tharsis/ethermint/tests"
+	ethermint "github.com/tharsis/ethermint/types"
+	"github.com/tharsis/ethermint/x/feemarket/types"
+
+	"github.com/ethereum/go-ethereum/common"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+
+	"github.com/tendermint/tendermint/crypto/tmhash"
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
+	tmversion "github.com/tendermint/tendermint/proto/tendermint/version"
+	"github.com/tendermint/tendermint/version"
+)
+
+type KeeperTestSuite struct {
+	suite.Suite
+
+	ctx         sdk.Context
+	app         *app.EthermintApp
+	queryClient types.QueryClient
+	address     common.Address
+	consAddress sdk.ConsAddress
+
+	// for generate test tx
+	clientCtx client.Context
+	ethSigner ethtypes.Signer
+
+	appCodec codec.Codec
+	signer   keyring.Signer
+}
+
+/// DoSetupTest setup test environment, it uses`require.TestingT` to support both `testing.T` and `testing.B`.
+func (suite *KeeperTestSuite) DoSetupTest(t require.TestingT) {
+	checkTx := false
+
+	// account key
+	priv, err := ethsecp256k1.GenerateKey()
+	require.NoError(t, err)
+	suite.address = common.BytesToAddress(priv.PubKey().Address().Bytes())
+	suite.signer = tests.NewSigner(priv)
+
+	// consensus key
+	priv, err = ethsecp256k1.GenerateKey()
+	require.NoError(t, err)
+	suite.consAddress = sdk.ConsAddress(priv.PubKey().Address())
+
+	suite.app = app.Setup(checkTx, nil)
+	suite.ctx = suite.app.BaseApp.NewContext(checkTx, tmproto.Header{
+		Height:          1,
+		ChainID:         "ethermint_9000-1",
+		Time:            time.Now().UTC(),
+		ProposerAddress: suite.consAddress.Bytes(),
+		Version: tmversion.Consensus{
+			Block: version.BlockProtocol,
+		},
+		LastBlockId: tmproto.BlockID{
+			Hash: tmhash.Sum([]byte("block_id")),
+			PartSetHeader: tmproto.PartSetHeader{
+				Total: 11,
+				Hash:  tmhash.Sum([]byte("partset_header")),
+			},
+		},
+		AppHash:            tmhash.Sum([]byte("app")),
+		DataHash:           tmhash.Sum([]byte("data")),
+		EvidenceHash:       tmhash.Sum([]byte("evidence")),
+		ValidatorsHash:     tmhash.Sum([]byte("validators")),
+		NextValidatorsHash: tmhash.Sum([]byte("next_validators")),
+		ConsensusHash:      tmhash.Sum([]byte("consensus")),
+		LastResultsHash:    tmhash.Sum([]byte("last_result")),
+	})
+	suite.app.EvmKeeper.WithContext(suite.ctx)
+
+	queryHelper := baseapp.NewQueryServerTestHelper(suite.ctx, suite.app.InterfaceRegistry())
+	types.RegisterQueryServer(queryHelper, suite.app.FeeMarketKeeper)
+	suite.queryClient = types.NewQueryClient(queryHelper)
+
+	acc := &ethermint.EthAccount{
+		BaseAccount: authtypes.NewBaseAccount(sdk.AccAddress(suite.address.Bytes()), nil, 0, 0),
+		CodeHash:    common.BytesToHash(crypto.Keccak256(nil)).String(),
+	}
+
+	suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
+
+	valAddr := sdk.ValAddress(suite.address.Bytes())
+	validator, err := stakingtypes.NewValidator(valAddr, priv.PubKey(), stakingtypes.Description{})
+	err = suite.app.StakingKeeper.SetValidatorByConsAddr(suite.ctx, validator)
+	require.NoError(t, err)
+	err = suite.app.StakingKeeper.SetValidatorByConsAddr(suite.ctx, validator)
+	require.NoError(t, err)
+	suite.app.StakingKeeper.SetValidator(suite.ctx, validator)
+
+	encodingConfig := encoding.MakeConfig(app.ModuleBasics)
+	suite.clientCtx = client.Context{}.WithTxConfig(encodingConfig.TxConfig)
+	suite.ethSigner = ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
+	suite.appCodec = encodingConfig.Marshaler
+}
+
+func (suite *KeeperTestSuite) SetupTest() {
+	suite.DoSetupTest(suite.T())
+}
+
+func TestKeeperTestSuite(t *testing.T) {
+	suite.Run(t, new(KeeperTestSuite))
+}
+
+func (suite *KeeperTestSuite) TestSetGetBlockGasUsed() {
+	testCases := []struct {
+		name     string
+		malleate func()
+		expGas   uint64
+	}{
+		// TODO How to test len(bz) = 0
+		// {
+		// 	"no KeyPrefixBlockGasUsed",
+		// 	func() {},
+		// 	uint64(0),
+		// },
+		{
+			"with last block given",
+			func() {
+				suite.app.FeeMarketKeeper.SetBlockGasUsed(suite.ctx, uint64(1000000))
+			},
+			uint64(1000000),
+		},
+	}
+	for _, tc := range testCases {
+		tc.malleate()
+
+		gas := suite.app.FeeMarketKeeper.GetBlockGasUsed(suite.ctx)
+		suite.Require().Equal(tc.expGas, gas, tc.name)
+	}
+}
+
+func (suite *KeeperTestSuite) TestSetGetGasFee() {
+	testCases := []struct {
+		name     string
+		malleate func()
+		expFee   *big.Int
+	}{
+		{
+			"with last block given",
+			func() {
+				suite.app.FeeMarketKeeper.SetBaseFee(suite.ctx, sdk.OneDec().BigInt())
+			},
+			sdk.OneDec().BigInt(),
+		},
+	}
+
+	for _, tc := range testCases {
+		tc.malleate()
+
+		fee := suite.app.FeeMarketKeeper.GetBaseFee(suite.ctx)
+		suite.Require().Equal(tc.expFee, fee, tc.name)
+	}
+}

x/feemarket/keeper/params_test.go

@@ -0,0 +1,14 @@
+package keeper_test
+
+import (
+	"github.com/tharsis/ethermint/x/feemarket/types"
+)
+
+func (suite *KeeperTestSuite) TestParams() {
+	params := suite.app.FeeMarketKeeper.GetParams(suite.ctx)
+	suite.Require().Equal(types.DefaultParams(), params)
+	params.ElasticityMultiplier = 3
+	suite.app.FeeMarketKeeper.SetParams(suite.ctx, params)
+	newParams := suite.app.FeeMarketKeeper.GetParams(suite.ctx)
+	suite.Require().Equal(newParams, params)
+}

x/feemarket/types/genesis_test.go

@@ -0,0 +1,76 @@
+package types
+
+import (
+	"testing"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/stretchr/testify/suite"
+)
+
+type GenesisTestSuite struct {
+	suite.Suite
+}
+
+func TestGenesisTestSuite(t *testing.T) {
+	suite.Run(t, new(GenesisTestSuite))
+}
+
+func (suite *GenesisTestSuite) TestValidateGenesis() {
+	testCases := []struct {
+		name     string
+		genState *GenesisState
+		expPass  bool
+	}{
+		{
+			"default",
+			DefaultGenesisState(),
+			true,
+		},
+		{
+			"valid genesis",
+			&GenesisState{
+				DefaultParams(),
+				sdk.ZeroInt(),
+				uint64(1),
+			},
+			true,
+		},
+		{
+			"valid New genesis",
+			NewGenesisState(
+				DefaultParams(),
+				sdk.ZeroInt(),
+				uint64(1),
+			),
+			true,
+		},
+		{
+			"empty genesis",
+			&GenesisState{
+				Params:   Params{},
+				BaseFee:  sdk.ZeroInt(),
+				BlockGas: 0,
+			},
+			false,
+		},
+		{
+			"base fee is negative",
+			&GenesisState{
+				Params:   Params{},
+				BaseFee:  sdk.OneInt().Neg(),
+				BlockGas: 0,
+			},
+			false,
+		},
+	}
+
+	for _, tc := range testCases {
+		tc := tc
+		err := tc.genState.Validate()
+		if tc.expPass {
+			suite.Require().NoError(err, tc.name)
+		} else {
+			suite.Require().Error(err, tc.name)
+		}
+	}
+}

x/feemarket/types/params_test.go

@@ -0,0 +1,81 @@
+package types
+
+import (
+	"testing"
+
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	"github.com/stretchr/testify/suite"
+)
+
+type ParamsTestSuite struct {
+	suite.Suite
+}
+
+func TestParamsTestSuite(t *testing.T) {
+	suite.Run(t, new(ParamsTestSuite))
+}
+
+func (suite *ParamsTestSuite) TestParamKeyTable() {
+	suite.Require().IsType(paramtypes.KeyTable{}, ParamKeyTable())
+}
+
+func (suite *ParamsTestSuite) TestParamsValidate() {
+	testCases := []struct {
+		name     string
+		params   Params
+		expError bool
+	}{
+		{"default", DefaultParams(), false},
+		{
+			"valid",
+			NewParams(true, 7, 3, 2000000000, int64(544435345345435345)),
+			false,
+		},
+		{
+			"empty",
+			Params{},
+			true,
+		},
+		{
+			"base fee change denominator is 0 ",
+			NewParams(true, 0, 3, 2000000000, int64(544435345345435345)),
+			true,
+		},
+		{
+			"initial base fee cannot is negative",
+			NewParams(true, 7, 3, -2000000000, int64(544435345345435345)),
+			true,
+		},
+		{
+			"initial base fee cannot is negative",
+			NewParams(true, 7, 3, 2000000000, int64(-544435345345435345)),
+			true,
+		},
+	}
+
+	for _, tc := range testCases {
+		err := tc.params.Validate()
+
+		if tc.expError {
+			suite.Require().Error(err, tc.name)
+		} else {
+			suite.Require().NoError(err, tc.name)
+		}
+	}
+}
+
+func (suite *ParamsTestSuite) TestParamsValidatePriv() {
+	suite.Require().Error(validateBool(2))
+	suite.Require().NoError(validateBool(true))
+	suite.Require().Error(validateBaseFeeChangeDenominator(0))
+	suite.Require().Error(validateBaseFeeChangeDenominator(uint32(0)))
+	suite.Require().NoError(validateBaseFeeChangeDenominator(uint32(7)))
+	suite.Require().Error(validateElasticityMultiplier(""))
+	suite.Require().NoError(validateElasticityMultiplier(uint32(2)))
+	suite.Require().Error(validateInitialBaseFee(""))
+	suite.Require().Error(validateInitialBaseFee(int64(-2000000000)))
+	suite.Require().NoError(validateInitialBaseFee(int64(2000000000)))
+	suite.Require().Error(validateEnableHeight(""))
+	suite.Require().Error(validateEnableHeight(int64(-544435345345435345)))
+	suite.Require().NoError(validateEnableHeight(int64(544435345345435345)))
+}