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Snapserver GetTrieNodes request to handle short hash for storage #7264

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merged 2 commits into from
Jun 26, 2024
Merged

Snapserver GetTrieNodes request to handle short hash for storage #7264

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cc1e12e
Snapserver GetTrieNodes request to handle short hash for storage
jframe Jun 26, 2024
277bee1
Merge branch 'main' into snapserver_trienode_shorthash
jframe Jun 26, 2024
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2 changes: 1 addition & 1 deletion ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/snap/SnapServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -530,7 +530,7 @@ MessageData constructGetTrieNodesResponse(final MessageData message) {
// otherwise the first element should be account hash, and subsequent paths
// are compact encoded account storage paths

final Bytes accountPrefix = triePath.get(0);
final Bytes accountPrefix = Bytes32.leftPad(triePath.getFirst());

List<Bytes> storagePaths = triePath.subList(1, triePath.size());
for (var path : storagePaths) {
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25 changes: 24 additions & 1 deletion ...reum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/manager/snap/SnapServerTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -534,6 +534,24 @@ public void assertStorageTriePathRequest() {
assertThat(trieNodes.size()).isEqualTo(4);
}

@Test
public void assertStorageTrieShortAccountHashPathRequest() {
Bytes accountShortHash = Bytes.fromHexStringLenient("0x40");
Hash accountFullHash = Hash.wrap(Bytes32.leftPad(accountShortHash));
SnapTestAccount testAccount = createTestContractAccount(accountFullHash, inMemoryStorage);
insertTestAccounts(testAccount);
var pathToSlot11 = CompactEncoding.encode(Bytes.fromHexStringLenient("0x0101"));
var pathToSlot12 = CompactEncoding.encode(Bytes.fromHexStringLenient("0x0102"));
var trieNodeRequest =
requestTrieNodes(
storageTrie.getRootHash(),
List.of(List.of(accountShortHash, pathToSlot11, pathToSlot12)));
assertThat(trieNodeRequest).isNotNull();
List<Bytes> trieNodes = trieNodeRequest.nodes(false);
assertThat(trieNodes).isNotNull();
assertThat(trieNodes.size()).isEqualTo(2);
}

@Test
public void assertStorageTrieLimitRequest() {
insertTestAccounts(acct1, acct2, acct3, acct4);
Expand Down Expand Up @@ -671,7 +689,12 @@ static SnapTestAccount createTestAccount(final String hexAddr) {

static SnapTestAccount createTestContractAccount(
final String hexAddr, final BonsaiWorldStateKeyValueStorage storage) {
Hash acctHash = Hash.wrap(Bytes32.rightPad(Bytes.fromHexString(hexAddr)));
final Hash acctHash = Hash.wrap(Bytes32.rightPad(Bytes.fromHexString(hexAddr)));
return createTestContractAccount(acctHash, storage);
}

static SnapTestAccount createTestContractAccount(
final Hash acctHash, final BonsaiWorldStateKeyValueStorage storage) {
MerkleTrie<Bytes32, Bytes> trie =
new StoredMerklePatriciaTrie<>(
(loc, hash) -> storage.getAccountStorageTrieNode(acctHash, loc, hash),
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