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