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emit: make *util.Uint160 and *util.Uint256 emittable

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They can be nil or can be regular uint types we're used to.
This commit is contained in:
Roman Khimov 2022-09-07 22:34:46 +03:00
parent 3c02177d3c
commit 1e54b422cd
2 changed files with 32 additions and 1 deletions
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12
pkg/vm/emit/emit.go
View file

@ -133,6 +133,18 @@ func Array(w *io.BinWriter, es ...interface{}) {
Bytes(w, e.BytesBE())
case util.Uint256:
Bytes(w, e.BytesBE())
case *util.Uint160:
if e == nil {
Opcodes(w, opcode.PUSHNULL)
} else {
Bytes(w, e.BytesBE())
}
case *util.Uint256:
if e == nil {
Opcodes(w, opcode.PUSHNULL)
} else {
Bytes(w, e.BytesBE())
}
case []byte:
Bytes(w, e)
case bool:

21
pkg/vm/emit/emit_test.go
View file

@ -10,6 +10,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/assert"
@ -216,9 +217,13 @@ func TestBytes(t *testing.T) {
func TestEmitArray(t *testing.T) {
t.Run("good", func(t *testing.T) {
buf := io.NewBufBinWriter()
var p160 *util.Uint160
var p256 *util.Uint256
u160 := util.Uint160{1, 2, 3}
u256 := util.Uint256{1, 2, 3}
veryBig := new(big.Int).SetUint64(math.MaxUint64)
veryBig.Add(veryBig, big.NewInt(1))
Array(buf.BinWriter, big.NewInt(0), veryBig,
Array(buf.BinWriter, p160, p256, &u160, &u256, u160, u256, big.NewInt(0), veryBig,
[]interface{}{int64(1), int64(2)}, nil, int64(1), "str", true, []byte{0xCA, 0xFE})
require.NoError(t, buf.Err)
@ -241,6 +246,20 @@ func TestEmitArray(t *testing.T) {
assert.EqualValues(t, opcode.PUSHINT128, res[18])
assert.EqualValues(t, veryBig, bigint.FromBytes(res[19:35]))
assert.EqualValues(t, opcode.PUSH0, res[35])
assert.EqualValues(t, opcode.PUSHDATA1, res[36])
assert.EqualValues(t, 32, res[37])
assert.EqualValues(t, u256.BytesBE(), res[38:70])
assert.EqualValues(t, opcode.PUSHDATA1, res[70])
assert.EqualValues(t, 20, res[71])
assert.EqualValues(t, u160.BytesBE(), res[72:92])
assert.EqualValues(t, opcode.PUSHDATA1, res[92])
assert.EqualValues(t, 32, res[93])
assert.EqualValues(t, u256.BytesBE(), res[94:126])
assert.EqualValues(t, opcode.PUSHDATA1, res[126])
assert.EqualValues(t, 20, res[127])
assert.EqualValues(t, u160.BytesBE(), res[128:148])
assert.EqualValues(t, opcode.PUSHNULL, res[148])
assert.EqualValues(t, opcode.PUSHNULL, res[149])
})
t.Run("empty", func(t *testing.T) {