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PoC: fix safeFetchAllMetadata throwing if facing broken token metadata #117

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PoC: fix safeFetchAllMetadata throwing if facing broken token metadata #117

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18 changes: 16 additions & 2 deletions clients/js/src/generated/accounts/metadata.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -173,15 +173,29 @@ export async function fetchAllMetadata(
export async function safeFetchAllMetadata(
context: Pick<Context, 'rpc'>,
publicKeys: Array<PublicKey | Pda>,
options?: RpcGetAccountsOptions
options?: RpcGetAccountsOptions & {
skipCorruptedMetadata?: boolean
}
): Promise<Metadata[]> {
const maybeAccounts = await context.rpc.getAccounts(
publicKeys.map((key) => toPublicKey(key, false)),
options
);
return maybeAccounts
.filter((maybeAccount) => maybeAccount.exists)
.map((maybeAccount) => deserializeMetadata(maybeAccount as RpcAccount));
.map((maybeAccount) => {
if (!options?.skipCorruptedMetadata) {
return deserializeMetadata(maybeAccount as RpcAccount);
}
try {
// This can fail if the metadata is unexpectedly broken in very rare cases, e.g.
// UnexpectedAccountError: The account at the provided address ['...'] is not of the expected type [MetadataAccountData]
return deserializeMetadata(maybeAccount as RpcAccount);
} catch {
return null;
}
})
.filter((metadata) => metadata !== null)
}

export function getMetadataGpaBuilder(
Expand Down