logs

plugin/evm/orderbook/memory_database.go

@@ -755,7 +755,8 @@ func (db *InMemoryDatabase) GetNaughtyTraders(oraclePrices map[Market]*big.Int,
 		}
 		// has orders that might be cancellable
 		availableMargin := getAvailableMargin(trader, pendingFunding, oraclePrices, db.LastPrice, db.configService.getMinAllowableMargin(), markets)
-		if availableMargin.Cmp(big.NewInt(0)) == -1 {
+		// availableMargin := getAvailableMarginWithDebugInfo(addr, trader, pendingFunding, oraclePrices, db.LastPrice, db.configService.getMinAllowableMargin(), markets)
+		if availableMargin.Sign() == -1 {
 			foundCancellableOrders := db.determineOrdersToCancel(addr, trader, availableMargin, oraclePrices, ordersToCancel)
 			if foundCancellableOrders {
 				log.Info("negative available margin", "trader", addr.String(), "availableMargin", prettifyScaledBigInt(availableMargin, 6))
@@ -931,18 +932,30 @@ func getBlankTrader() *Trader {
 }
 
 func getAvailableMargin(trader *Trader, pendingFunding *big.Int, oraclePrices map[Market]*big.Int, lastPrices map[Market]*big.Int, minAllowableMargin *big.Int, markets []Market) *big.Int {
-	// log.Info("in getAvailableMargin", "trader", trader, "pendingFunding", pendingFunding, "oraclePrices", oraclePrices, "lastPrices", lastPrices)
 	margin := new(big.Int).Sub(getNormalisedMargin(trader), pendingFunding)
 	notionalPosition, unrealizePnL := getTotalNotionalPositionAndUnrealizedPnl(trader, margin, Min_Allowable_Margin, oraclePrices, lastPrices, markets)
 	utilisedMargin := divideByBasePrecision(new(big.Int).Mul(notionalPosition, minAllowableMargin))
-	// print margin, notionalPosition, unrealizePnL, utilisedMargin
-	// log.Info("stats", "margin", margin, "notionalPosition", notionalPosition, "unrealizePnL", unrealizePnL, "utilisedMargin", utilisedMargin, "Reserved", trader.Margin.Reserved)
 	return new(big.Int).Sub(
 		new(big.Int).Add(margin, unrealizePnL),
 		new(big.Int).Add(utilisedMargin, trader.Margin.Reserved),
 	)
 }
 
+func getAvailableMarginWithDebugInfo(addr common.Address, trader *Trader, pendingFunding *big.Int, oraclePrices map[Market]*big.Int, lastPrices map[Market]*big.Int, minAllowableMargin *big.Int, markets []Market) *big.Int {
+	margin := new(big.Int).Sub(getNormalisedMargin(trader), pendingFunding)
+	notionalPosition, unrealizePnL := getTotalNotionalPositionAndUnrealizedPnl(trader, margin, Min_Allowable_Margin, oraclePrices, lastPrices, markets)
+	utilisedMargin := divideByBasePrecision(new(big.Int).Mul(notionalPosition, minAllowableMargin))
+	availableMargin := new(big.Int).Sub(
+		new(big.Int).Add(margin, unrealizePnL),
+		new(big.Int).Add(utilisedMargin, trader.Margin.Reserved),
+	)
+	if availableMargin.Sign() == -1 {
+		log.Info("availableMargin < 0", "addr", addr.String(), "pendingFunding", pendingFunding, "margin", margin, "notionalPosition", notionalPosition, "unrealizePnL", unrealizePnL, "utilisedMargin", utilisedMargin, "Reserved", trader.Margin.Reserved)
+		log.Info("prices", "oraclePrices", oraclePrices, "lastPrices", lastPrices)
+	}
+	return availableMargin
+}
+
 // deepCopyOrder deep copies the LimitOrder struct
 func deepCopyOrder(order *Order) Order {
 	lifecycleList := &order.LifecycleList

plugin/evm/orderbook/tx_processor.go

@@ -3,7 +3,7 @@ package orderbook
 import (
 	"context"
 	"crypto/ecdsa"
-	"encoding/hex"
+	// "encoding/hex"
 	"errors"
 	"fmt"
 	"math/big"
@@ -139,7 +139,7 @@ func (lotp *limitOrderTxProcessor) ExecuteMatchedOrdersTx(longOrder Order, short
 		return err
 	}
 
-	log.Info("ExecuteMatchedOrdersTx", "orders[0]", hex.EncodeToString(orders[0]), "orders[1]", hex.EncodeToString(orders[1]), "fillAmount", prettifyScaledBigInt(fillAmount, 18))
+	// log.Info("ExecuteMatchedOrdersTx", "orders[0]", hex.EncodeToString(orders[0]), "orders[1]", hex.EncodeToString(orders[1]), "fillAmount", prettifyScaledBigInt(fillAmount, 18))
 	txHash, err := lotp.executeLocalTx(lotp.orderBookContractAddress, lotp.orderBookABI, "executeMatchedOrders", orders, fillAmount)
 	log.Info("ExecuteMatchedOrdersTx", "LongOrder", longOrder, "ShortOrder", shortOrder, "fillAmount", prettifyScaledBigInt(fillAmount, 18), "txHash", txHash.String(), "err", err)
 	return err

precompile/contracts/bibliophile/margin_account.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	// "github.com/ethereum/go-ethereum/log"
 )
 
 const (
@@ -48,5 +49,6 @@ func GetAvailableMargin(stateDB contract.StateDB, trader common.Address, blockTi
 	margin := output.Margin
 	utitlizedMargin := divide1e6(big.NewInt(0).Mul(notionalPostion, GetMinAllowableMargin(stateDB)))
 	reservedMargin := getReservedMargin(stateDB, trader)
+	// log.Info("GetAvailableMargin", "trader", trader, "notionalPostion", notionalPostion, "margin", margin, "utitlizedMargin", utitlizedMargin, "reservedMargin", reservedMargin)
 	return big.NewInt(0).Sub(big.NewInt(0).Sub(margin, utitlizedMargin), reservedMargin)
 }