verkle: add logging for proof time and size

Signed-off-by: Ignacio Hagopian <[email protected]>

core/state/access_witness.go

@@ -18,8 +18,10 @@ package state
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/ethereum/go-ethereum/trie/utils"
@@ -273,10 +275,12 @@ func (aw *AccessWitness) touchAddress(addr []byte, treeIndex uint256.Int, subInd
 }
 
 func (aw *AccessWitness) GenerateProofAndSerialize() (*verkle.VerkleProof, verkle.StateDiff, error) {
+	start := time.Now()
 	// Signal that we are done sending chunks to load the tree.
 	aw.treeLoaderQuit <- struct{}{}
 	// Wait for the background loader to finish loading pending keys.
 	<-aw.treeLoaderClosed
+	log.Debug("Waiting for the tree loader to finish took %s", time.Since(start))
 
 	// If the background loader encountered an error, return it.
 	if aw.treeLoaderErr != nil {
@@ -288,6 +292,7 @@ func (aw *AccessWitness) GenerateProofAndSerialize() (*verkle.VerkleProof, verkl
 	if err != nil {
 		return nil, nil, fmt.Errorf("generating the witness proof failed: %s", err)
 	}
+
 	return proof, stateDiff, nil
 }
 

trie/verkle.go

@@ -19,13 +19,16 @@ package trie
 import (
 	"bytes"
 	"encoding/binary"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"math/big"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/trie/trienode"
 	"github.com/ethereum/go-ethereum/trie/utils"
 	"github.com/gballet/go-verkle"
@@ -325,16 +328,23 @@ func (trie *VerkleTrie) IsVerkle() bool {
 }
 
 func (trie *VerkleTrie) ProveAndSerialize(keys [][]byte, kv map[string][]byte) (*verkle.VerkleProof, verkle.StateDiff, error) {
+	// TODO: remove verbose logging.
+	startProofGen := time.Now()
 	proof, _, _, _, err := verkle.MakeVerkleMultiProof(trie.root, keys)
 	if err != nil {
 		return nil, nil, err
 	}
 
+	startProofSerialization := time.Now()
 	p, kvps, err := verkle.SerializeProof(proof)
 	if err != nil {
 		return nil, nil, err
 	}
-
+	proofJson, err := json.Marshal(proof)
+	if err != nil {
+		return nil, nil, err
+	}
+	log.Debug("Generating the proof", "number of keys", len(keys), "building proof", startProofSerialization.Sub(startProofGen), "serializing proof", time.Since(startProofSerialization), "json encoded size", common.StorageSize(len(proofJson)))
 	return p, kvps, nil
 }