fix: monitor coinbase correctly

yarn-project/aztec/src/cli/cmds/start_node.ts

@@ -1,8 +1,8 @@
 import { getInitialTestAccounts } from '@aztec/accounts/testing';
 import { type AztecNodeConfig, aztecNodeConfigMappings, getConfigEnvVars } from '@aztec/aztec-node';
-import { Fr } from '@aztec/aztec.js';
+import { EthAddress, Fr } from '@aztec/aztec.js';
 import { getSponsoredFPCAddress } from '@aztec/cli/cli-utils';
-import { NULL_KEY } from '@aztec/ethereum';
+import { NULL_KEY, getAddressFromPrivateKey } from '@aztec/ethereum';
 import type { NamespacedApiHandlers } from '@aztec/foundation/json-rpc/server';
 import type { LogFn } from '@aztec/foundation/log';
 import { AztecNodeAdminApiSchema, AztecNodeApiSchema, type PXE } from '@aztec/stdlib/interfaces/client';
@@ -140,6 +140,7 @@ export async function startNode(
       }
     }
     nodeConfig.publisherPrivateKey = sequencerConfig.publisherPrivateKey;
+    nodeConfig.coinbase ??= EthAddress.fromString(getAddressFromPrivateKey(nodeConfig.publisherPrivateKey));
   }
 
   if (nodeConfig.p2pEnabled) {

yarn-project/sequencer-client/src/sequencer/metrics.ts

@@ -136,6 +136,10 @@ export class SequencerMetrics {
     });
   }
 
+  public setCoinbase(coinbase: EthAddress) {
+    this.coinbase = coinbase;
+  }
+
   public start() {
     this.meter.addBatchObservableCallback(this.observe, [this.rewards]);
   }

yarn-project/sequencer-client/src/sequencer/sequencer.ts

@@ -102,7 +102,7 @@ export class Sequencer {
     this.metrics = new SequencerMetrics(
       telemetry,
       () => this.state,
-      this._coinbase,
+      this.config.coinbase ?? this.publisher.getSenderAddress(),
       this.publisher.getRollupContract(),
       'Sequencer',
     );
@@ -154,6 +154,7 @@ export class Sequencer {
     }
     if (config.coinbase) {
       this._coinbase = config.coinbase;
+      this.metrics.setCoinbase(this._coinbase);
     }
     if (config.feeRecipient) {
       this._feeRecipient = config.feeRecipient;