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block: JSONize tx-less block as [] instead of null

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Improve C# compatibility.
This commit is contained in:
Roman Khimov 2022-07-21 13:15:31 +03:00
parent 567b4935c3
commit 03b559bd44
2 changed files with 17 additions and 2 deletions
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9
pkg/core/block/block.go
View file

@ -147,9 +147,14 @@ func (b *Block) EncodeBinary(bw *io.BinWriter) {
// MarshalJSON implements the json.Marshaler interface.
func (b Block) MarshalJSON() ([]byte, error) {
auxb, err := json.Marshal(auxBlockOut{
abo := auxBlockOut{
Transactions: b.Transactions,
})
}
// `"tx": []` (C#) vs `"tx": null` (default Go when missing any transactions)
if abo.Transactions == nil {
abo.Transactions = []*transaction.Transaction{}
}
auxb, err := json.Marshal(abo)
if err != nil {
return nil, err
}

10
pkg/core/block/block_test.go
View file

@ -3,6 +3,7 @@ package block
import (
"encoding/base64"
"encoding/hex"
"encoding/json"
"errors"
"strings"
"testing"
@ -147,6 +148,15 @@ func TestBinBlockDecodeEncode(t *testing.T) {
testserdes.MarshalUnmarshalJSON(t, b, New(false))
}
func TestJSONEmptyTx(t *testing.T) {
jblock := `{"hash":"0x5f3fbb43d1e516fe07771e2e873ebc9e2810662401acf603a775aace486220bd","version":0,"previousblockhash":"0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15","merkleroot":"0x0000000000000000000000000000000000000000000000000000000000000000","time":1627894840919,"nonce":"BA8E021F1AEEA3F6","index":1,"nextconsensus":"NVg7LjGcUSrgxgjX3zEgqaksfMaiS8Z6e1","primary":0,"witnesses":[{"invocation":"DEAq7W/jUhpMon1t9muqXKfBvNyGwLfFFM1vAxrMKvUl6MqK+LL/lJAJP9uAk/cberIWWhSsdcxUtltkBLemg/VuDECQZGuvP93JlZga2ml8cnbe5cNiGgO0EMrbGYyzvgr8calP5SwMNPSYms10gIHxlsuXDU++EQpZu/vKxfHoxdC5DEDgsA3POVZdfN+i5+ekvtsaIvif42n0GC+dZi3Rp37ETmt4NtkoK2I2UXi+WIjm5yXLJsPhAvEV6cJSrvqBdsQBDEDTS6NU+kB+tgeBe9lWv+6y0L2qcUBIaUxiTCaNWZtLPghQICBvjDz1/9ttJRXG3I5N9CFDjjLKCpdIY842HW4/DEC+wlWjkCzVqzKslvpCKZbEPUGIf87CFAD88xqzl26m/TpTUcT0+D5oI2bVzAk0mcdBTPnyjcNbv17BFmr63+09","verification":"FQwhAkhv0VcCxEkKJnAxEqXMHQkj/Wl6M0Br1aHADgATsJpwDCECTHt/tsMQ/M8bozsIJRnYKWTqk4aNZ2Zi1KWa1UjfDn0MIQKq7DhHD2qtAELG6HfP2Ah9Jnaw9Rb93TYoAbm9OTY5ngwhA7IJ/U9TpxcOpERODLCmu2pTwr0BaSaYnPhfmw+6F6cMDCEDuNnVdx2PUTqghpucyNUJhkA7eMbaNokGOMPUalrc4EoMIQLKDidpe5wkj28W4IX9AGHib0TahbWO6DXBEMql7DulVAwhAt9I9g6PPgHEj/QLm38TENeosqGTGIvv4cLj33QOiVCTF0Ge0Nw6"}],"tx":[]}`
b := New(false)
require.NoError(t, json.Unmarshal([]byte(jblock), b))
s, err := json.Marshal(b)
require.NoError(t, err)
require.JSONEq(t, jblock, string(s))
}
func TestBlockSizeCalculation(t *testing.T) {
// block taken from C# privnet: 02d7c7801742cd404eb178780c840477f1eef4a771ecc8cc9434640fe8f2bb09
// The Size in golang is given by counting the number of bytes of an object. (len(Bytes))