earendil-works/pi · error · CborError
Truncated CBOR payload
Error message
Truncated CBOR payload
What it means
Error "Truncated CBOR payload" thrown in earendil-works/pi.
Source
Thrown at packages/protocol/src/cbor/decoder.ts:146
case 26: {
const bytes = this.readBytes(4);
return bytes[0]! * 0x1_000_000 + bytes[1]! * 0x1_0000 + bytes[2]! * 0x100 + bytes[3]!;
}
case 27: {
const high = this.readArgument(26);
const low = this.readArgument(26);
if (high > 0x1f_ffff) throw new CborError("Decoded CBOR integer or length is outside the safe range");
return high * UINT32_BASE + low;
}
case 31:
throw new CborError("Indefinite-length CBOR items are not supported");
default:
throw new CborError("Malformed CBOR additional information");
}
}
private readByte(): number {
if (this.offset >= this.bytes.byteLength) throw new CborError("Truncated CBOR payload");
const value = this.bytes[this.offset]!;
this.offset++;
return value;
}
private readBytes(length: number): Uint8Array {
if (length > this.bytes.byteLength - this.offset) throw new CborError("Truncated CBOR payload");
const value = this.bytes.subarray(this.offset, this.offset + length);
this.offset += length;
return value;
}
}
/** Decodes exactly one item from the protocol's strict RFC 8949 subset. */
export function decodeCbor(bytes: Uint8Array, options?: CborOptions): unknown {
if (!(bytes instanceof Uint8Array)) throw new TypeError("CBOR input must be a Uint8Array");
const resolved = resolveOptions(options);
if (bytes.byteLength > resolved.maxByteLength) {View on GitHub (pinned to 4af9d21d3b)
Solutions
- The payload ends before the declared content. Transmit the complete buffer and check for truncation.
When it happens
Trigger: Thrown at packages/protocol/src/cbor/decoder.ts:146 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24).
Data as JSON: /api/errors/69f8bc9d24837351.
Report an issue: GitHub.