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More robust error checking & handling in CPFP repositories

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This commit is contained in:
Mononaut
2023-02-02 17:37:32 -06:00
parent 69f5d483ee
commit 900e66aef7
2 changed files with 43 additions and 37 deletions
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46
backend/src/repositories/CpfpRepository.ts
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@@ -111,7 +111,7 @@ class CpfpRepository {
}
}
public async $getCluster(clusterRoot: string): Promise<Cluster> {
public async $getCluster(clusterRoot: string): Promise<Cluster | void> {
const [clusterRows]: any = await DB.query(
`
SELECT *
@@ -121,8 +121,11 @@ class CpfpRepository {
[clusterRoot]
);
const cluster = clusterRows[0];
cluster.txs = this.unpack(cluster.txs);
return cluster;
if (cluster?.txs) {
cluster.txs = this.unpack(cluster.txs);
return cluster;
}
return;
}
public async $deleteClustersFrom(height: number): Promise<void> {
@@ -136,9 +139,9 @@ class CpfpRepository {
[height]
) as RowDataPacket[][];
if (rows?.length) {
for (let clusterToDelete of rows) {
const txs = this.unpack(clusterToDelete.txs);
for (let tx of txs) {
for (const clusterToDelete of rows) {
const txs = this.unpack(clusterToDelete?.txs);
for (const tx of txs) {
await transactionRepository.$removeTransaction(tx.txid);
}
}
@@ -204,20 +207,25 @@ class CpfpRepository {
return [];
}
const arrayBuffer = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
const txs: Ancestor[] = [];
const view = new DataView(arrayBuffer);
for (let offset = 0; offset < arrayBuffer.byteLength; offset += 44) {
const txid = Array.from(new Uint8Array(arrayBuffer, offset, 32)).reverse().map(b => b.toString(16).padStart(2, '0')).join('');
const weight = view.getUint32(offset + 32);
const fee = Number(view.getBigUint64(offset + 36));
txs.push({
txid,
weight,
fee
});
try {
const arrayBuffer = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
const txs: Ancestor[] = [];
const view = new DataView(arrayBuffer);
for (let offset = 0; offset < arrayBuffer.byteLength; offset += 44) {
const txid = Array.from(new Uint8Array(arrayBuffer, offset, 32)).reverse().map(b => b.toString(16).padStart(2, '0')).join('');
const weight = view.getUint32(offset + 32);
const fee = Number(view.getBigUint64(offset + 36));
txs.push({
txid,
weight,
fee
});
}
return txs;
} catch (e) {
logger.warn(`Failed to unpack CPFP cluster. Reason: ` + (e instanceof Error ? e.message : e));
return [];
}
return txs;
}
}