Coin balance fix (#151)

* Fix setting account balances from assuming single denom

* Set order for end blocker to not override account balances

* Panic instead of ignoring error (case should never be hit)

app/ante.go

@@ -139,10 +139,11 @@ func ethAnteHandler(
 		// Cost calculates the fees paid to validators based on gas limit and price
 		cost := new(big.Int).Mul(ethTxMsg.Data.Price, new(big.Int).SetUint64(ethTxMsg.Data.GasLimit))
 
-		err = auth.DeductFees(sk, ctx, senderAcc, sdk.Coins{
+		feeAmt := sdk.Coins{
 			sdk.NewCoin(emint.DenomDefault, sdk.NewIntFromBigInt(cost)),
-		})
+		}
 
+		err = auth.DeductFees(sk, ctx, senderAcc, feeAmt)
 		if err != nil {
 			return ctx, err
 		}

app/ethermint.go

@@ -197,9 +197,9 @@ func NewEthermintApp(
 	// During begin block slashing happens after distr.BeginBlocker so that
 	// there is nothing left over in the validator fee pool, so as to keep the
 	// CanWithdrawInvariant invariant.
-	app.mm.SetOrderBeginBlockers(mint.ModuleName, distr.ModuleName, slashing.ModuleName, evmtypes.ModuleName)
+	app.mm.SetOrderBeginBlockers(evmtypes.ModuleName, mint.ModuleName, distr.ModuleName, slashing.ModuleName)
 
-	app.mm.SetOrderEndBlockers(crisis.ModuleName, gov.ModuleName, staking.ModuleName, evmtypes.ModuleName)
+	app.mm.SetOrderEndBlockers(evmtypes.ModuleName, crisis.ModuleName, gov.ModuleName, staking.ModuleName)
 
 	// NOTE: The genutils module must occur after staking so that pools are
 	// properly initialized with tokens from genesis accounts.