implement asset-list

Signed-off-by: Marko Kungla <marko.kungla@gmail.com>

README.md

@@ -207,6 +207,8 @@ issues and bug reports are welcome to: https://github.com/howijd/decimal/issues.
 | `/account_addresses` | [`*.GetAccountAddresses(...) *AccountAddressesResponse`](https://pkg.go.dev/github.com/howijd/koios-rest-go-client#Client.GetAccountAddresses) | `account-addresses` | [![](https://img.shields.io/badge/API-doc-%2349cc90)](https://api.koios.rest/#get-/account_addresses) |
 | `/account_assets` | [`*.GetAccountAssets(...) *AccountAssetsResponse`](https://pkg.go.dev/github.com/howijd/koios-rest-go-client#Client.GetAccountAssets) | `account-assets` | [![](https://img.shields.io/badge/API-doc-%2349cc90)](https://api.koios.rest/#get-/account_assets) |
 | `/account_history` | [`*.GetAccountHistory(...) *AccountHistoryResponse`](https://pkg.go.dev/github.com/howijd/koios-rest-go-client#Client.GetAccountHistory) | `account-history` | [![](https://img.shields.io/badge/API-doc-%2349cc90)](https://api.koios.rest/#get-/account_history) |
+| **ASSET** | | | |
+| `/asset_list` | [`*.GetAssetList(...) *AssetListResponse`](https://pkg.go.dev/github.com/howijd/koios-rest-go-client#Client.GetAssetList) | `asset-list` | [![](https://img.shields.io/badge/API-doc-%2349cc90)](https://api.koios.rest/#get-/asset_list) |
 | **POOL** | | | |
 | **SCRIPT** | | | |
 

account.go

@@ -60,7 +60,7 @@ type (
 		Name string `json:"asset_name"`
 
 		// PolicyID Asset Policy ID (hex).
-		PolicyID AssetPolicy `json:"asset_policy"`
+		PolicyID PolicyID `json:"asset_policy"`
 
 		// Quantity of assets
 		Quantity Lovelace `json:"quantity"`

address.go

@@ -75,7 +75,7 @@ type (
 		NameHEX string `json:"asset_name_hex"`
 
 		// Asset Policy ID (hex).
-		PolicyID string `json:"asset_policy_hex"`
+		PolicyID PolicyID `json:"asset_policy_hex"`
 
 		// Quantity of asset accoiated to the given address.
 		Quantity Lovelace `json:"quantity"`

asset.go

@@ -0,0 +1,82 @@
+// Copyright 2022 The Howijd.Network Authors
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at:
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//   or LICENSE file in repository root.
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package koios
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+type (
+	// Asset info.
+	Asset struct {
+		// Asset Name (hex).
+		Name string `json:"asset_name"`
+
+		// Asset Policy ID (hex).
+		PolicyID PolicyID `json:"policy_id"`
+
+		// Quantity
+		// Input: asset balance on the selected input transaction.
+		// Output: sum of assets for output UTxO.
+		// Mint: sum of minted assets (negative on burn).
+		Quantity Lovelace `json:"quantity"`
+	}
+
+	// AssetListItem used to represent response from /asset_list`.
+	AssetListItem struct {
+		PolicyID   PolicyID `json:"policy_id"`
+		AssetNames struct {
+			HEX   []string `json:"hex"`
+			ASCII []string `json:"ascii"`
+		} `json:"asset_names"`
+	}
+
+	// AssetListResponse represents response from `/asset_list` endpoint.
+	AssetListResponse struct {
+		Response
+		Data []AssetListItem `json:"response"`
+	}
+)
+
+// GetTip returns the list of all native assets (paginated).
+func (c *Client) GetAssetList(ctx context.Context) (res *AssetListResponse, err error) {
+	res = &AssetListResponse{}
+	rsp, err := c.request(ctx, &res.Response, "GET", nil, "/asset_list", nil, nil)
+	if err != nil {
+		res.applyError(nil, err)
+		return
+	}
+
+	body, err := readResponseBody(rsp)
+	if err != nil {
+		res.applyError(body, err)
+		return
+	}
+
+	if err = json.Unmarshal(body, &res.Data); err != nil {
+		res.applyError(body, err)
+		return
+	}
+
+	if rsp.StatusCode != http.StatusOK {
+		res.applyError(body, err)
+		return
+	}
+	return res, nil
+}

client.go

@@ -155,6 +155,7 @@ func (c *Client) applyReqHeaders(req *http.Request, headers http.Header) {
 func (c *Client) requestWithStats(req *http.Request, res *Response) (*http.Response, error) {
 	res.Stats = &RequestStats{}
 	var dns, tlshs, connect time.Time
+
 	trace := &httptrace.ClientTrace{
 		DNSStart: func(dsi httptrace.DNSStartInfo) {
 			dns = time.Now().UTC()

cmd/koios-rest/cmd-asset.go

@@ -27,6 +27,11 @@ func addAssetCommands(app *cli.App, api *koios.Client) {
 			Name:     "asset-list",
 			Category: "ASSET",
 			Usage:    "Get the list of all native assets (paginated).",
+			Action: func(ctx *cli.Context) error {
+				res, err := api.GetAssetList(callctx)
+				output(ctx, res, err)
+				return nil
+			},
 		},
 		{
 			Name:     "asset-address-list",

cmd/koios-rest/cmd-general.go

@@ -40,6 +40,7 @@ func addGeneralCommands(app *cli.App, api *koios.Client) {
 				handleErr(err)
 				defer res.Body.Close()
 				body, err := ioutil.ReadAll(res.Body)
+
 				printResponseBody(ctx, body)
 				return nil
 			},

cmd/koios-rest/main.go

@@ -98,10 +98,19 @@ func handleErr(err error) {
 
 func printResponseBody(ctx *cli.Context, body []byte) {
 	if ctx.Bool("ugly") {
-		fmt.Println(string(body))
+		if ctx.Bool("no-color") {
+			fmt.Println(string(body))
+			return
+		}
+		fmt.Println(string(pretty.Color(body, pretty.TerminalStyle)))
 		return
 	}
-	fmt.Println(string(pretty.Pretty(body)))
+	pr := pretty.Pretty(body)
+	if ctx.Bool("no-color") {
+		fmt.Println(string(pr))
+		return
+	}
+	fmt.Println(string(pretty.Color(pr, pretty.TerminalStyle)))
 }
 
 type printable interface {
@@ -157,5 +166,10 @@ func globalFlags() []cli.Flag {
 			Usage: "Enable request stats.",
 			Value: false,
 		},
+		&cli.BoolFlag{
+			Name:  "no-color",
+			Usage: "Disable coloring output json.",
+			Value: false,
+		},
 	}
 }

koios.go

@@ -107,9 +107,6 @@ type (
 	// AssetName defines type for _asset_name.
 	AssetName string
 
-	// AssetPolicy defines type for _asset_policy.
-	AssetPolicy string
-
 	// BlockHash defines type for _block_hash.
 	BlockHash string
 
@@ -122,9 +119,12 @@ type (
 	// EpochNo defines type for _epoch_no.
 	EpochNo uint64
 
-	// PoolID defines (hex).
+	// PoolID.
 	PoolID string
 
+	// PolicyID.
+	PolicyID string
+
 	// ScriptHash defines type for _script_hash.
 	ScriptHash string
 
@@ -146,21 +146,6 @@ type (
 		decimal.Decimal
 	}
 
-	// Asset info.
-	Asset struct {
-		// Asset Name (hex).
-		Name string `json:"asset_name"`
-
-		// Asset Policy ID (hex).
-		PolicyID PoolID `json:"policy_id"`
-
-		// Quantity
-		// Input: asset balance on the selected input transaction.
-		// Output: sum of assets for output UTxO.
-		// Mint: sum of minted assets (negative on burn).
-		Quantity Lovelace `json:"quantity"`
-	}
-
 	// PaymentAddr info.
 	PaymentAddr struct {
 		// Bech32 is Cardano payment/base address (bech32 encoded)