analytics(app): update telemetry to Ethermint modules (#1106)

* analytics(evm): replace telemetry gauges with counters and add gasUsed counter

* analytics(feemarket): add telemetry gauges for base fee and block gas

* analytics(feemarket): add telemetry gauges for gas_used per gas_limit

* analytics(feemarket): remove refund telemetry

* analytics(app): update CHANGELOG

* remove unwanted change

* address PR comments

* update comment

CHANGELOG.md

@@ -43,6 +43,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 - (feemarket) [tharsis#1104](https://github.com/tharsis/ethermint/pull/1104) Enforce a minimum gas price for Cosmos and EVM transactions through the `MinGasPrice` parameter.
 - (rpc) [tharsis#1081](https://github.com/tharsis/ethermint/pull/1081) Deduplicate some json-rpc logic codes, cleanup several dead functions.
 - (ante) [tharsis#1062](https://github.com/tharsis/ethermint/pull/1062) Emit event of eth tx hash in ante handler to support query failed transactions.
+- (analytics) [tharsis#1106](https://github.com/tharsis/ethermint/pull/1106) Update telemetry to Ethermint modules.
 
 ### Improvements
 

x/evm/keeper/msg_server.go

@@ -30,11 +30,12 @@ func (k *Keeper) EthereumTx(goCtx context.Context, msg *types.MsgEthereumTx) (*t
 	tx := msg.AsTransaction()
 	txIndex := k.GetTxIndexTransient(ctx)
 
-	labels := []metrics.Label{telemetry.NewLabel("tx_type", fmt.Sprintf("%d", tx.Type()))}
+	labels := []metrics.Label{
+		telemetry.NewLabel("tx_type", fmt.Sprintf("%d", tx.Type())),
+		telemetry.NewLabel("from", sender),
+	}
 	if tx.To() == nil {
-		labels = []metrics.Label{
-			telemetry.NewLabel("execution", "create"),
-		}
+		labels = []metrics.Label{telemetry.NewLabel("execution", "create")}
 	} else {
 		labels = []metrics.Label{
 			telemetry.NewLabel("execution", "call"),
@@ -48,18 +49,31 @@ func (k *Keeper) EthereumTx(goCtx context.Context, msg *types.MsgEthereumTx) (*t
 	}
 
 	defer func() {
-		if tx.Value().IsInt64() {
-			telemetry.SetGauge(
-				float32(tx.Value().Int64()),
-				"tx", "msg", "ethereum_tx",
-			)
-		}
-
 		telemetry.IncrCounterWithLabels(
-			[]string{types.ModuleName, "ethereum_tx"},
+			[]string{"tx", "msg", "ethereum_tx", "total"},
 			1,
 			labels,
 		)
+
+		if response.GasUsed != 0 {
+			telemetry.IncrCounterWithLabels(
+				[]string{"tx", "msg", "ethereum_tx", "gas_used", "total"},
+				float32(response.GasUsed),
+				labels,
+			)
+
+			// Observe which users define a gas limit >> gas used. Note, that
+			// gas_limit and gas_used are always > 0
+			gasLimit := sdk.NewDec(int64(tx.Gas()))
+			gasRatio, err := gasLimit.QuoInt64(int64(response.GasUsed)).Float64()
+			if err == nil {
+				telemetry.SetGaugeWithLabels(
+					[]string{"tx", "msg", "ethereum_tx", "gas_limit", "per", "gas_used"},
+					float32(gasRatio),
+					labels,
+				)
+			}
+		}
 	}()
 
 	attrs := []sdk.Attribute{

x/feemarket/keeper/abci.go

@@ -6,6 +6,7 @@ import (
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tharsis/ethermint/x/feemarket/types"
 
+	"github.com/cosmos/cosmos-sdk/telemetry"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
@@ -20,6 +21,10 @@ func (k *Keeper) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
 
 	k.SetBaseFee(ctx, baseFee)
 
+	defer func() {
+		telemetry.SetGauge(float32(baseFee.Int64()), "feemarket", "base_fee")
+	}()
+
 	// Store current base fee in event
 	ctx.EventManager().EmitEvents(sdk.Events{
 		sdk.NewEvent(
@@ -42,6 +47,10 @@ func (k *Keeper) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) {
 
 	k.SetBlockGasUsed(ctx, gasUsed)
 
+	defer func() {
+		telemetry.SetGauge(float32(gasUsed), "feemarket", "block_gas")
+	}()
+
 	ctx.EventManager().EmitEvent(sdk.NewEvent(
 		"block_gas",
 		sdk.NewAttribute("height", fmt.Sprintf("%d", ctx.BlockHeight())),