mirror of
https://github.com/grassrootseconomics/cic-custodial.git
synced 2024-11-24 15:06:45 +01:00
Mohamed Sohail
9e1d62a014
* wip: add transfer auithorization * feat: update transferAuthPayload * switch to MAX_INT for value and use revoke flag * tranfer handler: fix nonce rollback on EOA account * feat: switch to session based session transfer auth * Demurrage contracts require setting the approval value to 0 before updating the value after the initial limit is set * This implementation auto-revokes every 15 min after arequest is created. Subsequent requests will fail untill the value is set back to 0 * feat: settable approve session timeout
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
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"
|
|
)
|
|
|
|
// Max 10k vouchers per approval session
|
|
const approvalSafetyLimit = 10000 * 1000000
|
|
|
|
// HandleSignTransferAuthorization godoc
|
|
//
|
|
// @Summary Sign and dispatch a transfer authorization (approve) request.
|
|
// @Description Sign and dispatch a transfer authorization (approve) request.
|
|
// @Tags network
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Param signTransferAuthorzationRequest body object{amount=uint64,authorizer=string,authorizedAddress=string,voucherAddress=string} true "Sign Transfer Authorization (approve) Request"
|
|
// @Success 200 {object} OkResp
|
|
// @Failure 400 {object} ErrResp
|
|
// @Failure 500 {object} ErrResp
|
|
// @Router /sign/transferAuth [post]
|
|
func HandleSignTranserAuthorization(cu *custodial.Custodial) func(echo.Context) error {
|
|
return func(c echo.Context) error {
|
|
var (
|
|
req struct {
|
|
Amount uint64 `json:"amount" validate:"gte=0"`
|
|
Authorizer string `json:"authorizer" validate:"required,eth_addr_checksum"`
|
|
AuthorizedAddress string `json:"authorizedAddress" validate:"required,eth_addr_checksum"`
|
|
VoucherAddress string `json:"voucherAddress" validate:"required,eth_addr_checksum"`
|
|
}
|
|
)
|
|
|
|
if err := c.Bind(&req); err != nil {
|
|
return NewBadRequestError(ErrInvalidJSON)
|
|
}
|
|
|
|
if err := c.Validate(req); err != nil {
|
|
return err
|
|
}
|
|
|
|
accountActive, gasLock, err := cu.Store.GetAccountStatus(c.Request().Context(), req.Authorizer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if req.Amount > approvalSafetyLimit {
|
|
return c.JSON(http.StatusForbidden, ErrResp{
|
|
Ok: false,
|
|
Message: "Approval amount per session exceeds 10k.",
|
|
})
|
|
}
|
|
|
|
if !accountActive {
|
|
return c.JSON(http.StatusForbidden, ErrResp{
|
|
Ok: false,
|
|
Message: "Account pending activation. Try again later.",
|
|
})
|
|
}
|
|
|
|
if gasLock {
|
|
return c.JSON(http.StatusForbidden, ErrResp{
|
|
Ok: false,
|
|
Message: "Gas lock. Gas balance unavailable. Try again later.",
|
|
})
|
|
}
|
|
|
|
trackingId := uuid.NewString()
|
|
|
|
taskPayload, err := json.Marshal(task.TransferAuthPayload{
|
|
TrackingId: trackingId,
|
|
Amount: req.Amount,
|
|
Authorizer: req.Authorizer,
|
|
AuthorizedAddress: req.AuthorizedAddress,
|
|
VoucherAddress: req.VoucherAddress,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = cu.TaskerClient.CreateTask(
|
|
c.Request().Context(),
|
|
tasker.SignTransferTaskAuth,
|
|
tasker.DefaultPriority,
|
|
&tasker.Task{
|
|
Id: trackingId,
|
|
Payload: taskPayload,
|
|
},
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, OkResp{
|
|
Ok: true,
|
|
Result: H{
|
|
"trackingId": trackingId,
|
|
},
|
|
})
|
|
}
|
|
}
|