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vm: add address&swap endianness to opcode dump for hashes

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If the parameter in the opcode dump is a 20-byte value, the converted values,
such as the address and the swapped endianness, have been added.

Signed-off-by: Tatiana Nesterenko <tatiana@nspcc.io>
This commit is contained in:
Tatiana Nesterenko 2023-08-31 09:55:54 +01:00
parent 5180305240
commit 259cbc3356
1 changed files with 10 additions and 1 deletions
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9
pkg/vm/vm.go
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@ -3,6 +3,7 @@ package vm
import ( import (
"crypto/elliptic" "crypto/elliptic"
"encoding/binary" "encoding/binary"
"encoding/hex"
"encoding/json" "encoding/json"
"errors" "errors"
"fmt" "fmt"
@ -15,6 +16,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames" "github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/encoding/bigint" "github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag" "github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef" "github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
@ -216,11 +218,18 @@ func (v *VM) PrintOps(out io.Writer) {
default: default:
if utf8.Valid(parameter) { if utf8.Valid(parameter) {
desc = fmt.Sprintf("%x (%q)", parameter, parameter) desc = fmt.Sprintf("%x (%q)", parameter, parameter)
} else {
// Try converting the parameter to an address and swap the endianness
// if the parameter is a 20-byte value.
u, err := util.Uint160DecodeBytesBE(parameter)
if err == nil {
desc = fmt.Sprintf("%x (%q, %q)", parameter, address.Uint160ToString(u), "0x"+hex.EncodeToString(slice.CopyReverse(parameter)))
} else { } else {
desc = fmt.Sprintf("%x", parameter) desc = fmt.Sprintf("%x", parameter)
} }
} }
} }
}
fmt.Fprintf(w, "%d\t%s\t%s%s\n", ctx.ip, instr, desc, cursor) fmt.Fprintf(w, "%d\t%s\t%s%s\n", ctx.ip, instr, desc, cursor)
if ctx.nextip >= len(ctx.sc.prog) { if ctx.nextip >= len(ctx.sc.prog) {