diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 0000000..67e3a6e
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,21 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+name: Go
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22.X'
+    - name: Build
+      run: go build -v ./...
+    - name: Test
+      run: go test -v ./...
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..85b25be
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,29 @@
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+go.work.sum
+
+# env file
+.env
+
+.idea
+
+.DS_Store
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..b3c8eb5
--- /dev/null
+++ b/go.mod
@@ -0,0 +1 @@
+module router
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..725c460
--- /dev/null
+++ b/main.go
@@ -0,0 +1,11 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	s := "gopher"
+	fmt.Println("Hello and welcome, %s!", s)
+
+}
diff --git a/router/alpha-router-params.go b/router/alpha-router-params.go
new file mode 100644
index 0000000..6c258dd
--- /dev/null
+++ b/router/alpha-router-params.go
@@ -0,0 +1,4 @@
+package router
+
+type AlphaRouterParams struct {
+}
diff --git a/router/alpha-router.go b/router/alpha-router.go
new file mode 100644
index 0000000..a388b5c
--- /dev/null
+++ b/router/alpha-router.go
@@ -0,0 +1,47 @@
+package router
+
+import (
+	"router/router/core"
+	"router/router/core/entities"
+	"router/router/core/entities/fractions"
+)
+
+type AlphaRouter struct {
+}
+
+func NewAlphaRouter(params AlphaRouterParams) *AlphaRouter {
+	return &AlphaRouter{}
+}
+
+// TODO: 원본 코드에서는 async 함수
+// 라우트 한 결과는 SwapRoute
+func (a AlphaRouter) route(
+	amount fractions.CurrencyAmount,
+	quoteCurrency entities.Currency,
+	tradeType core.TradeType,
+) SwapRoute {
+	originalAmount := amount
+
+	currencyIn, currencyOut := a.determineCurrencyInOutFromTradeType(tradeType, amount, quoteCurrency)
+
+	// currencyIn, currencyOut은 Currency 타입이고
+	// Currency 타입은 NativeCurrency이거나 Token 타입이다.
+	// 아래에서 Token 타입이길 원하는 듯하다.
+	tokenIn := currencyIn
+	tokenOut := currencyOut
+
+	swapRoute := SwapRoute{}
+	return swapRoute
+}
+
+func (a AlphaRouter) determineCurrencyInOutFromTradeType(
+	tradeType core.TradeType,
+	amount fractions.CurrencyAmount,
+	quoteCurrency entities.Currency,
+) (entities.Currency, entities.Currency) {
+	if tradeType == core.EXACT_INPUT {
+		return amount.Currency, quoteCurrency
+	} else {
+		return quoteCurrency, amount.Currency
+	}
+}
diff --git a/router/core/constants.go b/router/core/constants.go
new file mode 100644
index 0000000..efe32d3
--- /dev/null
+++ b/router/core/constants.go
@@ -0,0 +1,8 @@
+package core
+
+type TradeType int
+
+const (
+	EXACT_INPUT = iota
+	EXACT_OUTPUT
+)
diff --git a/router/core/entities/currency.go b/router/core/entities/currency.go
new file mode 100644
index 0000000..30a6b32
--- /dev/null
+++ b/router/core/entities/currency.go
@@ -0,0 +1,8 @@
+package entities
+
+// 원문에서는 Currency는 Token | NativeCurrency 이고
+// Token과 NativeCurrency 모두 BaseCurrency를 상속받는다.
+// 하지만 여기서의 Currency는 NativeCurrency와 Token에 포함된다.
+type Currency interface {
+	wrapped() Token
+}
diff --git a/router/core/entities/fractions/currencyAmount.go b/router/core/entities/fractions/currencyAmount.go
new file mode 100644
index 0000000..2fafe19
--- /dev/null
+++ b/router/core/entities/fractions/currencyAmount.go
@@ -0,0 +1,7 @@
+package fractions
+
+import "router/router/core/entities"
+
+type CurrencyAmount struct {
+	Currency entities.Currency
+}
diff --git a/router/core/entities/token.go b/router/core/entities/token.go
new file mode 100644
index 0000000..cc76145
--- /dev/null
+++ b/router/core/entities/token.go
@@ -0,0 +1,5 @@
+package entities
+
+type Token struct {
+	Currency
+}
diff --git a/router/router.go b/router/router.go
new file mode 100644
index 0000000..70026b2
--- /dev/null
+++ b/router/router.go
@@ -0,0 +1,4 @@
+package router
+
+type SwapRoute struct {
+}