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Fix: Add hash and reverse search order

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junderw 2022-09-19 16:44:53 +09:00
parent 19467de809
commit 5d1c5b51dd
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GPG Key ID: B256185D3A971908
2 changed files with 10 additions and 6 deletions
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6
backend/src/api/mining/mining-routes.ts
View File

@ -251,8 +251,12 @@ class MiningRoutes {
private async $getHeightFromTimestamp(req: Request, res: Response) {
try {
const timestamp = parseInt(req.params.timestamp, 10);
// This will prevent people from entering milliseconds etc.
// Block timestamps are allowed to be up to 2 hours off, so 24 hours
// will never put the maximum value before the most recent block
const nowPlus1day = Math.floor(Date.now() / 1000) + 60 * 60 * 24;
// Prevent non-integers that are not seconds
if (!/^[1-9][0-9]*$/.test(req.params.timestamp) || timestamp >= 2 ** 32) {
if (!/^[1-9][0-9]*$/.test(req.params.timestamp) || timestamp > nowPlus1day) {
throw new Error(`Invalid timestamp, value must be Unix seconds`);
}
const result = await BlocksRepository.$getBlockHeightFromTimestamp(

10
backend/src/repositories/BlocksRepository.ts
View File

@ -399,17 +399,17 @@ class BlocksRepository {
*/
public async $getBlockHeightFromTimestamp(
timestamp: number,
): Promise<{ height: number; timestamp: number }> {
): Promise<{ height: number; hash: string; timestamp: number }> {
try {
// Get first block at or after the given timestamp
const query = `SELECT height, blockTimestamp as timestamp FROM blocks
WHERE blockTimestamp >= FROM_UNIXTIME(?)
ORDER BY blockTimestamp ASC
const query = `SELECT height, hash, blockTimestamp as timestamp FROM blocks
WHERE blockTimestamp <= FROM_UNIXTIME(?)
ORDER BY blockTimestamp DESC
LIMIT 1`;
const params = [timestamp];
const [rows]: any[][] = await DB.query(query, params);
if (rows.length === 0) {
throw new Error(`No block was found after timestamp ${timestamp}`);
throw new Error(`No block was found before timestamp ${timestamp}`);
}
return rows[0];