Update README

README.md

@@ -14,13 +14,25 @@ of clean APIs that helps merchants of any size accept credit cards online.
 
 This library offers GO integration to the Omise API.
 
-Install with:
+## Installation
+
+### Using `v1`
+
+* [documentation][3]
 
 ```go
 go get github.com/omise/omise-go
 ```
 
-# COMPLIANCE WARNING
+### Using `v2`
+
+* [documentation][0]
+
+```go
+go get github.com/omise/omise-go/v2
+```
+
+## COMPLIANCE WARNING
 
 Card data should never transit through your server. This library provides means to create
 tokens on the server side but should only be used for testing or **only if you currently
@@ -30,7 +42,7 @@ Auditor.**
 Instead we recommend that you follow our guide on how to safely
 [collect credit information](https://www.omise.co/collecting-card-information).
 
-# USAGE
+## USAGE
 
 See [godoc.org][0] in tandem with the [Omise API Documentation][1] for usage instruction.
 
@@ -42,14 +54,13 @@ package main
 import (
 	"log"
 
-	"github.com/omise/omise-go"
-	"github.com/omise/omise-go/operations"
+	"github.com/omise/omise-go/v2"
 )
 
 const (
 	// Read these from environment variables or configuration files!
-	OmisePublicKey = "pkey_test_521w1g1t7w4x4rd22z0"
-	OmiseSecretKey = "skey_test_521w1g1t6yh7sx4pu8n"
+	OmisePublicKey = "pkey_test_key"
+	OmiseSecretKey = "skey_test_key"
 )
 
 func main() {
@@ -68,20 +79,22 @@ func main() {
 	token := "tokn_xxxxxxxxxxxxx"
 
 	// Creates a charge from the token
-	charge, createCharge := &omise.Charge{}, &operations.CreateCharge{
-		Amount:   100000, // ฿ 1,000.00
-		Currency: "thb",
-		Card:     token.ID,
-	}
-	if e := client.Do(charge, createCharge); e != nil {
+	charge, err := client.Charge().Create(context.Background(), &omise.CreateChargeParams{
+		Amount:      100000,
+		Currency:    "THB",
+		Description: "initial charge.",
+		Card:        token,
+	})
+
+	if err != nil {
 		log.Fatal(e)
 	}
 
-	log.Printf("charge: %s  amount: %s %d\n", charge.ID, charge.Currency, charge.Amount)
+	log.Printf("charge: %s amount: %s %d\n", charge.ID, charge.Currency, charge.Amount)
 }
 ```
 
-# API VERSION
+## API VERSION
 
 You can choose which API version to use with Omise. Each new API version has new features
 and might not be compatible with previous versions. You can change the default version by
@@ -92,17 +105,18 @@ account. This is useful if you have multiple environments with different API ver
 testing. (e.g. Development on the latest version but production is on an older version).
 
 ```
-client.APIVersion = "2015-11-06"
+client.APIVersion = "2019-05-29"
 ```
 
 It is highly recommended to set this version to the current version you're using. You can
 learn more about this feature in our [versioning
 guide](https://www.omise.co/api-versioning).
 
-# LICENSE
+## LICENSE
 
 See [LICENSE][2] file.
 
-[0]: https://godoc.org/github.com/omise/omise-go
+[0]: https://godoc.org/github.com/omise/omise-go/v2
 [1]: https://www.omise.co/docs
 [2]: https://raw.githubusercontent.com/omise/omise-go/master/LICENSE
+[3]: https://godoc.org/github.com/omise/omise-go