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webhook.go
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webhook.go
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package main
import (
"context"
"fmt"
daemonv2 "github.com/tdex-network/tdex-daemon/api-spec/protobuf/gen/tdex-daemon/v2"
"github.com/urfave/cli/v2"
)
var (
webhook = cli.Command{
Name: "webhook",
Usage: "add or remove webhooks",
Subcommands: []*cli.Command{
webhookAddCmd, webhookRemoveCmd,
},
}
listwebhooks = cli.Command{
Name: "webhooks",
Usage: "list all webhooks, optionally filtered by target event",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "trade-settled-event",
Usage: "triggers the webhook endpoint whenever a trade is settled",
Value: false,
},
&cli.BoolFlag{
Name: "account-low-balance-event",
Usage: "triggers the webhook endpoint whenever a wallet account's balance goes under a threshold configured at startup",
Value: false,
},
&cli.BoolFlag{
Name: "account-withdraw-event",
Usage: "triggers the webhook endpoint whenever a withdrawal from a wallet account is made",
Value: false,
},
&cli.BoolFlag{
Name: "account-deposit-event",
Usage: "triggers the webhook endpoint whenever a deposit to a wallet account is made",
Value: false,
},
&cli.BoolFlag{
Name: "any-event",
Usage: "triggers the webhook endpoint whenever any event occurs",
Value: false,
},
},
Action: listWebhooksAction,
}
webhookAddCmd = &cli.Command{
Name: "add",
Usage: "add a (secured) webhook endpoint called whenever a target event occurs",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "endpoint",
Usage: "the webhook endpoint to be called whenever the target event occurs",
Value: "",
},
&cli.StringFlag{
Name: "secret",
Usage: "the eventual secret to use to generate an OAuth token for " +
"authenticating requests to the webhook endpoint",
Value: "",
},
&cli.BoolFlag{
Name: "trade-settled-event",
Usage: "triggers the webhook endpoint whenever a trade is settled",
Value: false,
},
&cli.BoolFlag{
Name: "account-low-balance-event",
Usage: "triggers the webhook endpoint whenever a wallet account's balance goes under a threshold configured at startup",
Value: false,
},
&cli.BoolFlag{
Name: "account-withdraw-event",
Usage: "triggers the webhook endpoint whenever a withdrawal from a wallet account is made",
Value: false,
},
&cli.BoolFlag{
Name: "account-deposit-event",
Usage: "triggers the webhook endpoint whenever a deposit to a wallet account is made",
Value: false,
},
&cli.BoolFlag{
Name: "any-event",
Usage: "triggers the webhook endpoint whenever any event occurs",
Value: false,
},
},
Action: addWebhookAction,
}
webhookRemoveCmd = &cli.Command{
Name: "remove",
Usage: "remove a webhook",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "id",
Usage: "the id of the webhook to remove",
Value: "",
},
},
Action: removeWebhookAction,
}
)
func addWebhookAction(ctx *cli.Context) error {
client, cleanup, err := getWebhookClient(ctx)
if err != nil {
return err
}
defer cleanup()
endpoint := ctx.String("endpoint")
secret := ctx.String("secret")
event, err := parseEvent(ctx)
if err != nil {
return err
}
if event == daemonv2.WebhookEvent_WEBHOOK_EVENT_UNSPECIFIED {
return fmt.Errorf("missing event")
}
reply, err := client.AddWebhook(
context.Background(), &daemonv2.AddWebhookRequest{
Endpoint: endpoint,
Event: event,
Secret: secret,
},
)
if err != nil {
return err
}
fmt.Println()
fmt.Println("webhook id:", reply.GetId())
return nil
}
func removeWebhookAction(ctx *cli.Context) error {
client, cleanup, err := getWebhookClient(ctx)
if err != nil {
return err
}
defer cleanup()
hookID := ctx.String("id")
if _, err := client.RemoveWebhook(
context.Background(), &daemonv2.RemoveWebhookRequest{
Id: hookID,
},
); err != nil {
return err
}
fmt.Println()
fmt.Println("removed webhook with id:", hookID)
return nil
}
func listWebhooksAction(ctx *cli.Context) error {
client, cleanup, err := getWebhookClient(ctx)
if err != nil {
return err
}
defer cleanup()
event, err := parseEvent(ctx)
if err != nil {
return err
}
reply, err := client.ListWebhooks(
context.Background(), &daemonv2.ListWebhooksRequest{
Event: event,
},
)
if err != nil {
return err
}
printRespJSON(reply)
return nil
}
func parseEvent(ctx *cli.Context) (daemonv2.WebhookEvent, error) {
event := daemonv2.WebhookEvent_WEBHOOK_EVENT_UNSPECIFIED
events := []bool{
ctx.Bool("trade-settled-event"),
ctx.Bool("account-low-balance-event"),
ctx.Bool("account-withdraw-event"),
ctx.Bool("account-deposit-event"),
ctx.Bool("any-event"),
}
trues := 0
for _, e := range events {
if e {
trues++
}
}
if trues > 1 {
return -1, fmt.Errorf("only one event can be set for a webhook")
}
switch {
case ctx.Bool("trade-settled-event"):
event = daemonv2.WebhookEvent_WEBHOOK_EVENT_TRADE_SETTLED
case ctx.Bool("account-low-balance-event"):
event = daemonv2.WebhookEvent_WEBHOOK_EVENT_ACCOUNT_LOW_BALANCE
case ctx.Bool("account-withdraw-event"):
event = daemonv2.WebhookEvent_WEBHOOK_EVENT_ACCOUNT_WITHDRAW
case ctx.Bool("account-deposit-event"):
event = daemonv2.WebhookEvent_WEBHOOK_EVENT_ACCOUNT_DEPOSIT
case ctx.Bool("any-event"):
event = daemonv2.WebhookEvent_WEBHOOK_EVENT_ANY
}
return event, nil
}