test: add unit test for server

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/kataras/hcaptcha v0.0.2
 	github.com/shopspring/decimal v1.4.0
 	github.com/sirupsen/logrus v1.9.3
+	github.com/stretchr/testify v1.9.0
 	github.com/urfave/negroni v1.0.0
 )
 
@@ -17,6 +18,7 @@ require (
 	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/deckarep/golang-set v1.8.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/edsrzf/mmap-go v1.0.0 // indirect
@@ -31,14 +33,17 @@ require (
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/tsdb v0.7.1 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/tklauser/numcpus v0.2.2 // indirect
 	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )