Improved SDK struct clarity, improved error handling on examples, mat…

…ched Orderbook client/configuration structure to Aggregation (#66)

sdk-clients/aggregation/configuration.go

@@ -2,9 +2,9 @@ package aggregation
 
 import (
 	"github.com/1inch/1inch-sdk-go/common"
-	"github.com/1inch/1inch-sdk-go/internal/http-executor"
-	"github.com/1inch/1inch-sdk-go/internal/transaction-builder"
-	"github.com/1inch/1inch-sdk-go/internal/web3-provider"
+	http_executor "github.com/1inch/1inch-sdk-go/internal/http-executor"
+	transaction_builder "github.com/1inch/1inch-sdk-go/internal/transaction-builder"
+	web3_provider "github.com/1inch/1inch-sdk-go/internal/web3-provider"
 )
 
 type Configuration struct {
@@ -27,12 +27,20 @@ type ConfigurationWallet struct {
 	TxBuilder common.TransactionBuilderFactory
 }
 
-func NewConfiguration(nodeUrl string, privateKey string, chainId uint64, apiUrl string, apiKey string) (*Configuration, error) {
-	apiCfg, err := NewConfigurationAPI(chainId, apiUrl, apiKey)
+type ConfigurationParams struct {
+	NodeUrl    string
+	PrivateKey string
+	ChainId    uint64
+	ApiUrl     string
+	ApiKey     string
+}
+
+func NewConfiguration(params ConfigurationParams) (*Configuration, error) {
+	apiCfg, err := NewConfigurationAPI(params.ChainId, params.ApiUrl, params.ApiKey)
 	if err != nil {
 		return nil, err
 	}
-	walletCfg, err := NewConfigurationWallet(nodeUrl, privateKey, chainId)
+	walletCfg, err := NewConfigurationWallet(params.NodeUrl, params.PrivateKey, params.ChainId)
 	if err != nil {
 		return nil, err
 	}

sdk-clients/aggregation/examples/approve/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"encoding/hex"
+	"log"
 	"math/big"
 	"os"
 
@@ -29,15 +30,21 @@ const (
 	PolygonWeth = "0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619"
 )
 
+// nodeUrl, privateKey, constants.EthereumChainId, "https://api.1inch.dev", devPortalToken
 func main() {
-	config, err := aggregation.NewConfiguration(nodeUrl, privateKey, constants.EthereumChainId, "https://api.1inch.dev", devPortalToken)
+	config, err := aggregation.NewConfiguration(aggregation.ConfigurationParams{
+		NodeUrl:    nodeUrl,
+		PrivateKey: privateKey,
+		ChainId:    constants.EthereumChainId,
+		ApiUrl:     "https://api.1inch.dev",
+		ApiKey:     devPortalToken,
+	})
 	if err != nil {
-		return
+		log.Fatalf("Failed to create configuration: %v\n", err)
 	}
 	client, err := aggregation.NewClient(config)
 	if err != nil {
-		panic(err)
-		return
+		log.Fatalf("Failed to create client: %v\n", err)
 	}
 	ctx := context.Background()
 
@@ -59,29 +66,28 @@ func main() {
 			Amount:       amountToSwap.String(),
 		})
 		if err != nil {
-			panic(err)
-			return
+			log.Fatalf("Failed to get approve data: %v\n", err)
 		}
 		data, err := hex.DecodeString(approveData.Data[2:])
 		if err != nil {
-			return
+			log.Fatalf("Failed to decode approve data: %v\n", err)
 		}
 
 		to := common.HexToAddress(approveData.Data)
 
 		tx, err := client.TxBuilder.New().SetData(data).SetTo(&to).Build(ctx)
 		if err != nil {
-			return
+			log.Fatalf("Failed to build approve transaction: %v\n", err)
 		}
 
 		signedTx, err := client.Wallet.Sign(tx)
 		if err != nil {
-			return
+			log.Fatalf("Failed to sign approve transaction: %v\n", err)
 		}
 
 		err = client.Wallet.BroadcastTransaction(ctx, signedTx)
 		if err != nil {
-			return
+			log.Fatalf("Failed to broadcast approve transaction: %v\n", err)
 		}
 	}
 

sdk-clients/aggregation/examples/no-wallet-client/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"fmt"
+	"log"
 	"os"
 
 	"github.com/1inch/1inch-sdk-go/constants"
@@ -27,11 +28,11 @@ const (
 func main() {
 	config, err := aggregation.NewConfigurationAPI(constants.PolygonChainId, "https://api.1inch.dev", devPortalToken)
 	if err != nil {
-		return
+		log.Fatalf("Failed to create configuration: %v\n", err)
 	}
 	client, err := aggregation.NewClientOnlyAPI(config)
 	if err != nil {
-		return
+		log.Fatalf("Failed to create client: %v\n", err)
 	}
 	ctx := context.Background()
 
@@ -42,7 +43,7 @@ func main() {
 	})
 
 	if err != nil {
-		return
+		log.Fatalf("Failed to get quote: %v\n", err)
 	}
 
 	fmt.Printf("Quote Amount: %+v\n", quote.ToAmount)

sdk-clients/aggregation/examples/quote/main.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"log"
 	"os"
 
 	"github.com/1inch/1inch-sdk-go/constants"
@@ -23,12 +24,20 @@ var (
 )
 
 func main() {
-	config, err := aggregation.NewConfiguration(nodeUrl, privateKey, constants.PolygonChainId, "https://api.1inch.dev", devPortalToken)
+	config, err := aggregation.NewConfiguration(aggregation.ConfigurationParams{
+		NodeUrl:    nodeUrl,
+		PrivateKey: privateKey,
+		ChainId:    constants.PolygonChainId,
+		ApiUrl:     "https://api.1inch.dev",
+		ApiKey:     devPortalToken,
+	})
 	if err != nil {
-		return
+		log.Fatalf("Failed to create configuration: %v\n", err)
 	}
 	client, err := aggregation.NewClient(config)
-
+	if err != nil {
+		log.Fatalf("Failed to create client: %v\n", err)
+	}
 	ctx := context.Background()
 
 	swapData, err := client.GetSwap(ctx, aggregation.GetSwapParams{
@@ -39,14 +48,12 @@ func main() {
 		Slippage: 1,
 	})
 	if err != nil {
-		fmt.Printf("Failed to get swap data: %v\n", err)
-		return
+		log.Fatalf("Failed to get swap data: %v\n", err)
 	}
 
 	output, err := json.MarshalIndent(swapData, "", "  ")
 	if err != nil {
-		fmt.Printf("Failed to marshal swap data: %v\n", err)
-		return
+		log.Fatalf("Failed to marshal swap data: %v\n", err)
 	}
 	fmt.Printf("%s\n", string(output))
 }