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core: support System.Runtime.GetAddressVersion syscall

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This commit is contained in:
Anna Shaleva 2022-04-21 17:53:11 +03:00
parent 4775705f00
commit d942940a82
6 changed files with 30 additions and 0 deletions
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1
pkg/compiler/syscall_test.go
View file

@ -71,6 +71,7 @@ func TestSyscallExecution(t *testing.T) {
"runtime.BurnGas": {interopnames.SystemRuntimeBurnGas, []string{"1"}, true},
"runtime.CheckWitness": {interopnames.SystemRuntimeCheckWitness, []string{b}, false},
"runtime.GasLeft": {interopnames.SystemRuntimeGasLeft, nil, false},
"runtime.GetAddressVersion": {interopnames.SystemRuntimeGetAddressVersion, nil, false},
"runtime.GetCallingScriptHash": {interopnames.SystemRuntimeGetCallingScriptHash, nil, false},
"runtime.GetEntryScriptHash": {interopnames.SystemRuntimeGetEntryScriptHash, nil, false},
"runtime.GetExecutingScriptHash": {interopnames.SystemRuntimeGetExecutingScriptHash, nil, false},

2
pkg/core/interop/interopnames/names.go
View file

@ -16,6 +16,7 @@ const (
SystemRuntimeBurnGas = "System.Runtime.BurnGas"
SystemRuntimeCheckWitness = "System.Runtime.CheckWitness"
SystemRuntimeGasLeft = "System.Runtime.GasLeft"
SystemRuntimeGetAddressVersion = "System.Runtime.GetAddressVersion"
SystemRuntimeGetCallingScriptHash = "System.Runtime.GetCallingScriptHash"
SystemRuntimeGetEntryScriptHash = "System.Runtime.GetEntryScriptHash"
SystemRuntimeGetExecutingScriptHash = "System.Runtime.GetExecutingScriptHash"
@ -51,6 +52,7 @@ var names = []string{
SystemRuntimeBurnGas,
SystemRuntimeCheckWitness,
SystemRuntimeGasLeft,
SystemRuntimeGetAddressVersion,
SystemRuntimeGetCallingScriptHash,
SystemRuntimeGetEntryScriptHash,
SystemRuntimeGetExecutingScriptHash,

7
pkg/core/interop/runtime/util.go
View file

@ -7,6 +7,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/interop"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"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/util"
"github.com/nspcc-dev/neo-go/pkg/vm"
@ -72,6 +73,12 @@ func GetInvocationCounter(ic *interop.Context) error {
return nil
}
// GetAddressVersion returns the address version of the current protocol.
func GetAddressVersion(ic *interop.Context) error {
ic.VM.Estack().PushItem(stackitem.NewBigInteger(big.NewInt(int64(address.NEO3Prefix))))
return nil
}
// GetNetwork returns chain network number.
func GetNetwork(ic *interop.Context) error {
m := ic.Chain.GetConfig().Magic

11
pkg/core/interop_system_neotest_test.go
View file

@ -13,6 +13,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"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/io"
"github.com/nspcc-dev/neo-go/pkg/neotest"
"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
@ -207,6 +208,16 @@ func TestSystemRuntimeGetNetwork(t *testing.T) {
e.InvokeScriptCheckHALT(t, w.Bytes(), []neotest.Signer{acc}, stackitem.NewBigInteger(big.NewInt(int64(bc.GetConfig().Magic))))
}
func TestSystemRuntimeGetAddressVersion(t *testing.T) {
bc, acc := chain.NewSingle(t)
e := neotest.NewExecutor(t, bc, acc, acc)
w := io.NewBufBinWriter()
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetAddressVersion)
require.NoError(t, w.Err)
e.InvokeScriptCheckHALT(t, w.Bytes(), []neotest.Signer{acc}, stackitem.NewBigInteger(big.NewInt(int64(address.NEO3Prefix))))
}
func TestSystemRuntimeBurnGas(t *testing.T) {
bc, acc := chain.NewSingle(t)
e := neotest.NewExecutor(t, bc, acc, acc)

1
pkg/core/interops.go
View file

@ -46,6 +46,7 @@ var systemInterops = []interop.Function{
{Name: interopnames.SystemRuntimeCheckWitness, Func: runtime.CheckWitness, Price: 1 << 10,
RequiredFlags: callflag.NoneFlag, ParamCount: 1},
{Name: interopnames.SystemRuntimeGasLeft, Func: runtime.GasLeft, Price: 1 << 4},
{Name: interopnames.SystemRuntimeGetAddressVersion, Func: runtime.GetAddressVersion, Price: 1 << 3},
{Name: interopnames.SystemRuntimeGetCallingScriptHash, Func: runtime.GetCallingScriptHash, Price: 1 << 4},
{Name: interopnames.SystemRuntimeGetEntryScriptHash, Func: runtime.GetEntryScriptHash, Price: 1 << 4},
{Name: interopnames.SystemRuntimeGetExecutingScriptHash, Func: runtime.GetExecutingScriptHash, Price: 1 << 4},

8
pkg/interop/runtime/runtime.go
View file

@ -46,6 +46,14 @@ func Notify(name string, args ...interface{}) {
neogointernal.Syscall2NoReturn("System.Runtime.Notify", name, args)
}
// GetAddressVersion returns the address version of the current protocol. The
// address version represents the byte used to prepend to Neo addresses when
// encoding them. The default value for Neo3 is 53 (0x35). This function uses
// `System.Runtime.GetAddressVersion` syscall.
func GetAddressVersion() int {
return neogointernal.Syscall0("System.Runtime.GetAddressVersion").(int)
}
// GetNetwork returns network magic number. This function uses
// `System.Runtime.GetNetwork` syscall.
func GetNetwork() int {