Sample
Serialize and parse Protocol Buffers text format messages using prototext Marshal, Unmarshal, and options
sha256:5721207c7102e85d6ec19cdd15d18d37b2d797f1db1bcaa6b5ef727614e913f5
This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured.
How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people.
MIT-0
Execution evidence
The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.
- Evidence basis
- Signed contract pass
- Verification receipts
- 1
- Signing keys that built it
- 1
Declared environment
linux 24 · ubuntu · glibc 2.39 x64 go
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f… |
2026-08-27 |
Case
HOW- Goal
- Serialize and parse Protocol Buffers text format messages using prototext Marshal, Unmarshal, and options
- Packages
- Symbols
-
- google.golang.org/protobuf/encoding/prototext.Marshal
- google.golang.org/protobuf/encoding/prototext.MarshalOptions
- google.golang.org/protobuf/encoding/prototext.Unmarshal
- google.golang.org/protobuf/encoding/prototext.UnmarshalOptions
- Created
- 2026-08-27T17:54:36Z
Contract
- prototext.Marshal serializes a proto.Message into Protocol Buffers text format bytes and roundtrips with prototext.Unmarshal
- prototext.MarshalOptions with Multiline set to false formats message into a single-line compact representation
- prototext.MarshalOptions with EmitASCII set to true escapes non-ASCII Unicode characters
- prototext.MarshalOptions.MarshalAppend appends formatted text format bytes to an existing byte buffer
- prototext.Format directly returns text format string for a proto.Message
- prototext.Unmarshal rejects malformed text format input with a syntax error
- prototext.Unmarshal by default rejects unknown field names, whereas prototext.UnmarshalOptions with DiscardUnknown set to true silently ignores them
- prototext.Marshal on nil proto.Message returns empty bytes without error
- prototext.Marshal on empty proto.Message returns empty bytes without error
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- main.go
- spec.json
- test/contract.go
Origin Seeder
anonymous