Files
libbrc20-indexer/indexer/module_commit_decrease_approval.go
2024-02-05 14:58:37 +08:00

31 lines
1010 B
Go

package indexer
import (
"errors"
"log"
"github.com/unisat-wallet/libbrc20-indexer/model"
)
func (g *BRC20ModuleIndexer) ProcessCommitFunctionDecreaseApproval(moduleInfo *model.BRC20ModuleSwapInfo, f *model.SwapFunctionData) error {
token := f.Params[0]
tokenAmtStr := f.Params[1]
tokenAmt, _ := g.CheckTickVerify(token, tokenAmtStr)
tokenBalance := moduleInfo.GetUserTokenBalance(token, f.PkScript)
// fixme: Must use the confirmed amount
if tokenBalance.SwapAccountBalance.Cmp(tokenAmt) < 0 {
log.Printf("token[%s] user[%s], balance %s", token, f.Address, tokenBalance)
return errors.New("decreaseApproval: token balance insufficient")
}
// User Real-time Balance Update
tokenBalance.SwapAccountBalance = tokenBalance.SwapAccountBalance.Sub(tokenAmt)
tokenBalance.AvailableBalance = tokenBalance.AvailableBalance.Add(tokenAmt)
log.Printf("pool decreaseApproval [%s] available: %s, swappable: %s", token, tokenBalance.AvailableBalance, tokenBalance.SwapAccountBalance)
return nil
}