85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package rest
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
eth "custodial/pkg/eth"
|
|
store "custodial/pkg/store"
|
|
|
|
gin "github.com/gin-gonic/gin"
|
|
)
|
|
|
|
type ETHApproveCustodyRequest struct {
|
|
Address string `json:"address"`
|
|
}
|
|
|
|
type ETHApproveCustodyResponse struct {
|
|
Status string `json:"status"`
|
|
TXID string `json:"txid"`
|
|
}
|
|
|
|
// @BasePath /api/v1
|
|
//
|
|
// EthApproveUsdtCustodyV1 godoc
|
|
//
|
|
// @Summary Approve USDT Castody for Spender Account
|
|
// @Schemes
|
|
// @Description Approve USDT spender address for account
|
|
// @Tags Ethereum
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Security ApiKeyAuth
|
|
// @Param message body ETHApproveCustodyRequest true "Account Info"
|
|
// @Success 200 {object} ETHApproveCustodyResponse
|
|
// @Failure 400 {object} ErrorResponse
|
|
// @Router /eth/approve-usdt-custody [post]
|
|
func EthApproveUsdtCustodyV1(c *gin.Context) {
|
|
var req ETHApproveCustodyRequest
|
|
if err := c.ShouldBindJSON(&req); err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
storedAccount, err := store.GetAccountByAddress(req.Address, store.Ethereum)
|
|
if err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
// if storedAccount.GetSpender() != "" {
|
|
// c.JSON(http.StatusBadRequest, gin.H{"error": "Spender already approved"})
|
|
// return
|
|
// }
|
|
|
|
ethSpender, _ := eth.GetSpender()
|
|
approveAmount := "1000000000000"
|
|
|
|
hdIndex := storedAccount.GetHDIndex()
|
|
account, err := eth.DeriveAccount(hdIndex)
|
|
if err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
balance, err := eth.EthBalance(account.Address().String())
|
|
if err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
}
|
|
|
|
if balance.ETHRaw < 1000000 {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": "Not enough ETH to pay for transaction"})
|
|
return
|
|
}
|
|
|
|
txid, err := account.ApproveUSDTSpender(ethSpender.Address().String(), approveAmount)
|
|
if err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
storedAccount.(*store.EthereumAccount).Spender = ethSpender.Address().String()
|
|
store.UpdateAccount(storedAccount)
|
|
|
|
c.JSON(http.StatusOK, gin.H{"txid": txid, "status": "ok"})
|
|
}
|