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test(mary): block CBOR serde round-trip #1093

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test(mary): block CBOR serde round-trip #1093

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84 changes: 84 additions & 0 deletions ledger/mary/block_test.go
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Original file line number Diff line number Diff line change
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// Copyright 2025 Blink Labs Software
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package mary_test

import (
"bytes"
"encoding/hex"
"strings"
"testing"

"github.com/blinklabs-io/gouroboros/cbor"
"github.com/blinklabs-io/gouroboros/ledger/mary"
)

// https://cexplorer.io/block/d36ab36f451e9fcbd4247daef45ce5be9a4b918fce5ee97a63b8aeac606fca03
//
//hash:d36ab36f451e9fcbd4247daef45ce5be9a4b918fce5ee97a63b8aeac606fca03
//slot:39916670
var maryBlockHex = "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66a714a6345764e713179476b4a774d51577836395652776e5831786e5632414b766d4138533652795a5052646e616d65781b4861726420466f726b202d20436c6179204d6174657320313239376774776974746572782168747470733a2f2f747769747465722e636f6d2f5468655f436c61794d6174657380"

func TestMaryBlock_CborRoundTrip_UsingCborEncode(t *testing.T) {
hexStr := strings.TrimSpace(maryBlockHex)

// Decode the hex string into CBOR bytes
dataBytes, err := hex.DecodeString(hexStr)
if err != nil {
t.Fatalf(
"Failed to decode Mary block hex string into CBOR bytes: %v",
err,
)
}

// Deserialize CBOR bytes into MaryBlock struct
var block mary.MaryBlock
err = block.UnmarshalCBOR(dataBytes)
if err != nil {
t.Fatalf("Failed to unmarshal CBOR data into MaryBlock: %v", err)
}

// Re-encode using the cbor Encode function
encoded, err := cbor.Encode(block)
if err != nil {
t.Fatalf(
"Failed to marshal MaryBlock using custom encode function: %v",
err,
)
}
if encoded == nil || len(encoded) == 0 {
t.Fatal("Custom encoded CBOR from MaryBlock is nil or empty")
}

// Ensure the original and re-encoded CBOR bytes are identical
if !bytes.Equal(dataBytes, encoded) {
t.Errorf(
"Custom CBOR round-trip mismatch for Mary block\nOriginal CBOR (hex): %x\nCustom Encoded CBOR (hex): %x",
dataBytes,
encoded,
)

// Check from which byte it differs
diffIndex := -1
for i := 0; i < len(dataBytes) && i < len(encoded); i++ {
if dataBytes[i] != encoded[i] {
diffIndex = i
break
}
}
if diffIndex != -1 {
t.Logf("First mismatch at byte index: %d", diffIndex)
t.Logf(
"Original byte: 0x%02x, Re-encoded byte: 0x%02x",
dataBytes[diffIndex],
encoded[diffIndex],
)
} else {
t.Logf("Length mismatch: original length = %d, re-encoded length = %d", len(dataBytes), len(encoded))
}
}
}
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