From 2adb80729b16d06a9bf4f5912b3c0a7650a60838 Mon Sep 17 00:00:00 2001
From: Jakub Sztandera <kubuxu@protocol.ai>
Date: Sat, 5 Sep 2020 15:17:55 +0200
Subject: [PATCH] Add additional info about gas premium

Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
---
 node/impl/full/mpool.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/node/impl/full/mpool.go b/node/impl/full/mpool.go
index bfb7439bb..6acb17990 100644
--- a/node/impl/full/mpool.go
+++ b/node/impl/full/mpool.go
@@ -2,6 +2,7 @@ package full
 
 import (
 	"context"
+	"encoding/json"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/ipfs/go-cid"
@@ -113,6 +114,7 @@ func (a *MpoolAPI) MpoolPush(ctx context.Context, smsg *types.SignedMessage) (ci
 }
 
 func (a *MpoolAPI) MpoolPushMessage(ctx context.Context, msg *types.Message, spec *api.MessageSendSpec) (*types.SignedMessage, error) {
+	inMsg := *msg
 	{
 		fromA, err := a.Stmgr.ResolveToKeyAddress(ctx, msg.From, nil)
 		if err != nil {
@@ -134,6 +136,13 @@ func (a *MpoolAPI) MpoolPushMessage(ctx context.Context, msg *types.Message, spe
 		return nil, xerrors.Errorf("GasEstimateMessageGas error: %w", err)
 	}
 
+	if msg.GasPremium.GreaterThan(msg.GasFeeCap) {
+		inJson, _ := json.Marshal(inMsg)
+		outJson, _ := json.Marshal(msg)
+		return nil, xerrors.Errorf("After estimation, GasPremium is greater than GasFeeCap, inmsg: %s, outmsg: %s",
+			inJson, outJson)
+	}
+
 	sign := func(from address.Address, nonce uint64) (*types.SignedMessage, error) {
 		msg.Nonce = nonce
 		if msg.From.Protocol() == address.ID {