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feat(daemon): using the exp backoff util on metadataDiff #343

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Merged
andreabadesso merged 2 commits into from
Jan 19, 2026
Merged

feat(daemon): using the exp backoff util on metadataDiff #343

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feat(daemon): using the exp backoff util on metadataDiff
andreabadesso Jan 19, 2026
f3dc6d2
refactor(daemon): logging event id instead of tx hash on metadataDiff…
andreabadesso Jan 19, 2026
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3 changes: 2 additions & 1 deletion packages/daemon/__tests__/services/services.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1028,6 +1028,7 @@ describe('metadataDiff', () => {
const event = {
event: {
event: {
id: 123,
data: {
hash: 'mockHash',
metadata: { voided_by: [], first_block: [] },
Expand All @@ -1039,7 +1040,7 @@ describe('metadataDiff', () => {

await expect(metadataDiff({} as any, event as any)).rejects.toThrow('Mock Error');
expect(mockDb.destroy).toHaveBeenCalled();
expect(logger.error).toHaveBeenCalledWith('metadataDiff error', new Error('Mock Error'));
expect(logger.error).toHaveBeenCalledWith('metadataDiff error', { eventId: 123, error: new Error('Mock Error') });
});

it('should handle transaction transactions that are not voided anymore', async () => {
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184 changes: 102 additions & 82 deletions packages/daemon/src/services/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -102,100 +102,120 @@ export const METADATA_DIFF_EVENT_TYPES = {
const DUPLICATE_TX_ALERT_GRACE_PERIOD = 10; // seconds

export const metadataDiff = async (_context: Context, event: Event) => {
let mysql;
const fullNodeEvent = event.event as StandardFullNodeEvent;
const {
hash,
metadata: { voided_by, first_block, nc_execution },
} = fullNodeEvent.event.data;

const isRetryableError = (error: any): boolean => {
const code = error?.code;
return code === 'ETIMEDOUT'
|| code === 'ECONNREFUSED'
|| code === 'ECONNRESET'
|| code === 'PROTOCOL_CONNECTION_LOST';
};

try {
mysql = await getDbConnection();

const fullNodeEvent = event.event as StandardFullNodeEvent;
const {
hash,
metadata: { voided_by, first_block, nc_execution },
} = fullNodeEvent.event.data;
const dbTx: DbTransaction | null = await getTransactionById(mysql, hash);

if (!dbTx) {
if (voided_by.length > 0) {
// No need to add voided transactions
return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}

return {
type: METADATA_DIFF_EVENT_TYPES.TX_NEW,
originalEvent: event,
};
}
return await retryWithBackoff(
async () => {
let mysql;
try {
mysql = await getDbConnection();
const dbTx: DbTransaction | null = await getTransactionById(mysql, hash);

if (!dbTx) {
if (voided_by.length > 0) {
// No need to add voided transactions
return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}

// Tx is voided
if (voided_by.length > 0) {
// Was it voided on the database?
if (!dbTx.voided) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_VOIDED,
originalEvent: event,
};
}
return {
type: METADATA_DIFF_EVENT_TYPES.TX_NEW,
originalEvent: event,
};
}

return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}
// Tx is voided
if (voided_by.length > 0) {
// Was it voided on the database?
if (!dbTx.voided) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_VOIDED,
originalEvent: event,
};
}

// Tx was voided in the database but is not anymore
if (dbTx.voided && voided_by.length <= 0) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_UNVOIDED,
originalEvent: event,
};
}
return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}

if (first_block
&& first_block.length
&& first_block.length > 0) {
if (!dbTx.height) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_FIRST_BLOCK,
originalEvent: event,
};
}
// Tx was voided in the database but is not anymore
if (dbTx.voided && voided_by.length <= 0) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_UNVOIDED,
originalEvent: event,
};
}

return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}
if (first_block
&& first_block.length
&& first_block.length > 0) {
if (!dbTx.height) {
return {
type: METADATA_DIFF_EVENT_TYPES.TX_FIRST_BLOCK,
originalEvent: event,
};
}

// Check if nc_execution changed from 'success' to something else.
// If the tx has nano-created tokens in the database (tokens where token_id != tx_id),
// those tokens were created when nc_execution was 'success'.
// If nc_execution is now NOT 'success', we should delete those tokens.
if (nc_execution !== 'success') {
const tokensCreated = await getTokensCreatedByTx(mysql, hash);
const nanoTokens = tokensCreated.filter(tokenId => tokenId !== hash);
return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
}

if (nanoTokens.length > 0) {
return {
type: METADATA_DIFF_EVENT_TYPES.NC_EXEC_VOIDED,
originalEvent: event,
};
}
}
// Check if nc_execution changed from 'success' to something else.
// If the tx has nano-created tokens in the database (tokens where token_id != tx_id),
// those tokens were created when nc_execution was 'success'.
// If nc_execution is now NOT 'success', we should delete those tokens.
if (nc_execution !== 'success') {
const tokensCreated = await getTokensCreatedByTx(mysql, hash);
const nanoTokens = tokensCreated.filter(tokenId => tokenId !== hash);

if (nanoTokens.length > 0) {
return {
type: METADATA_DIFF_EVENT_TYPES.NC_EXEC_VOIDED,
originalEvent: event,
};
}
}

return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
return {
type: METADATA_DIFF_EVENT_TYPES.IGNORE,
originalEvent: event,
};
} finally {
if (mysql) {
mysql.destroy();
}
}
},
{
maxRetries: 5,
initialDelayMs: 1000,
maxDelayMs: 10000,
backoffMultiplier: 2,
retryableErrors: isRetryableError,
},
);
} catch (e) {
logger.error('metadataDiff error', e);
logger.error('metadataDiff error', { eventId: fullNodeEvent.event.id, error: e });
return Promise.reject(e);
} finally {
if (mysql) {
mysql.destroy();
}
}
};

Expand Down