Merge branch 'module' into swap

indexer/module_commit_decrease_approval.go

@@ -0,0 +1,30 @@
+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
+}