Implement metrics that tracks the base fee (#1784)

* NOTICKET: adding a gauge to monitor how the base fee moves over time * NOTICKET: added baseFee gauge for polybft
0xPolygon · Aug 8, 2023 · e0e1e36 · e0e1e36
1 parent d5be69a
commit e0e1e36
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diff --git a/consensus/ibft/ibft.go b/consensus/ibft/ibft.go
@@ -343,6 +343,9 @@ func (i *backendIBFT) updateMetrics(block *types.Block) {
 
 	// Update the Number of transactions in the block metric
 	metrics.SetGauge([]string{consensusMetrics, "num_txs"}, float32(len(block.Body().Transactions)))
+
+	// Update the base fee metric
+	metrics.SetGauge([]string{consensusMetrics, "base_fee"}, float32(block.Header.BaseFee))
 }
 
 // verifyHeaderImpl verifies fields including Extra

diff --git a/consensus/polybft/consensus_metrics.go b/consensus/polybft/consensus_metrics.go
@@ -36,6 +36,9 @@ func updateBlockMetrics(currentBlock *types.Block, parentHeader *types.Header) e
 	metrics.IncrCounter([]string{consensusMetricsPrefix, "block_counter"}, float32(1))
 	metrics.SetGauge([]string{consensusMetricsPrefix, "block_space_used"}, float32(currentBlock.Header.GasUsed))
 
+	// Update the base fee metric
+	metrics.SetGauge([]string{consensusMetricsPrefix, "base_fee"}, float32(currentBlock.Header.BaseFee))
+
 	return nil
 }