Fix crash during reorg for v2.0.0 (#590) (#593)

* params: fix usage of IsXDCxDisable

* internal/ethapi: fix nil block in function DoCall during reorg

Co-authored-by: Daniel Liu <[email protected]>

Author: 2 people

internal/ethapi/api.go

@@ -1323,7 +1323,7 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.Blo
 	// this makes sure resources are cleaned up.
 	defer cancel()
 
-	block, err := b.BlockByHash(ctx, header.Hash())
+	block, err := b.BlockByNumberOrHash(ctx, blockNrOrHash)
 	if err != nil {
 		return nil, 0, false, err, nil
 	}

params/config.go

@@ -626,6 +626,10 @@ func (c *ChainConfig) IsTIPXDCXReceiver(num *big.Int) bool {
 	return isForked(common.TIPXDCX, num) && !isForked(common.TIPXDCXReceiverDisable, num)
 }
 
+func (c *ChainConfig) IsXDCxDisable(num *big.Int) bool {
+	return isForked(common.TIPXDCXReceiverDisable, num)
+}
+
 func (c *ChainConfig) IsTIPXDCXLending(num *big.Int) bool {
 	return isForked(common.TIPXDCXLending, num)
 }
@@ -789,7 +793,7 @@ func (c *ChainConfig) Rules(num *big.Int) Rules {
 		IsLondon:         c.IsLondon(num),
 		IsMerge:          c.IsMerge(num),
 		IsShanghai:       c.IsShanghai(num),
-		IsXDCxDisable:    c.IsTIPXDCXReceiver(num),
+		IsXDCxDisable:    c.IsXDCxDisable(num),
 		IsEIP1559:        c.IsEIP1559(num),
 	}
 }