cic-custodial/internal/api/sign.go

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package api
import (
"encoding/json"
"net/http"
"github.com/google/uuid"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/internal/tasker/task"
"github.com/labstack/echo/v4"
)
// SignTxHandler route.
// POST: /api/sign/transfer
// JSON Body:
// from -> ETH address
// to -> ETH address
// voucherAddress -> ETH address
// amount -> int (6 d.p. precision)
// e.g. 1000000 = 1 VOUCHER
// Returns the task id.
func SignTransferHandler(cu *custodial.Custodial) func(echo.Context) error {
return func(c echo.Context) error {
trackingId := uuid.NewString()
var transferRequest struct {
From string `json:"from" validate:"required,eth_checksum"`
To string `json:"to" validate:"required,eth_checksum"`
VoucherAddress string `json:"voucherAddress" validate:"required,eth_checksum"`
Amount uint64 `json:"amount" validate:"required,numeric"`
}
if err := c.Bind(&transferRequest); err != nil {
return err
}
if err := c.Validate(transferRequest); err != nil {
return err
}
// TODO: Checksum addresses
taskPayload, err := json.Marshal(task.TransferPayload{
TrackingId: trackingId,
From: transferRequest.From,
To: transferRequest.To,
VoucherAddress: transferRequest.VoucherAddress,
Amount: transferRequest.Amount,
})
if err != nil {
return err
}
_, err = cu.TaskerClient.CreateTask(
tasker.SignTransferTask,
tasker.HighPriority,
&tasker.Task{
Id: trackingId,
Payload: taskPayload,
},
)
if err != nil {
return err
}
return c.JSON(http.StatusOK, OkResp{
Ok: true,
Result: H{
"trackingId": trackingId,
},
})
}
}