forked from TrueCloudLab/neoneo-go
95 lines
5.3 KiB
Go
95 lines
5.3 KiB
Go
package core
|
|
|
|
/*
|
|
Interops are designed to run under VM's execute() panic protection, so it's OK
|
|
for them to do things like
|
|
smth := v.Estack().Pop().Bytes()
|
|
even though technically Pop() can return a nil pointer.
|
|
*/
|
|
|
|
import (
|
|
"github.com/nspcc-dev/neo-go/pkg/core/fee"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/crypto"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/iterator"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/interop/runtime"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/native"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm"
|
|
)
|
|
|
|
// SpawnVM returns a VM with script getter and interop functions set
|
|
// up for current blockchain.
|
|
func SpawnVM(ic *interop.Context) *vm.VM {
|
|
vm := ic.SpawnVM()
|
|
ic.Functions = [][]interop.Function{systemInterops, neoInterops}
|
|
return vm
|
|
}
|
|
|
|
// All lists are sorted, keep 'em this way, please.
|
|
var systemInterops = []interop.Function{
|
|
{Name: interopnames.SystemContractCall, Func: contract.Call, Price: 1 << 15,
|
|
RequiredFlags: callflag.ReadStates | callflag.AllowCall, ParamCount: 4},
|
|
{Name: interopnames.SystemContractCallNative, Func: native.Call, Price: 0, ParamCount: 1},
|
|
{Name: interopnames.SystemContractCreateMultisigAccount, Func: contractCreateMultisigAccount, Price: 1 << 8, ParamCount: 2},
|
|
{Name: interopnames.SystemContractCreateStandardAccount, Func: contractCreateStandardAccount, Price: 1 << 8, ParamCount: 1},
|
|
{Name: interopnames.SystemContractIsStandard, Func: contractIsStandard, Price: 1 << 10, RequiredFlags: callflag.ReadStates, ParamCount: 1},
|
|
{Name: interopnames.SystemContractGetCallFlags, Func: contractGetCallFlags, Price: 1 << 10},
|
|
{Name: interopnames.SystemContractNativeOnPersist, Func: native.OnPersist, Price: 0, RequiredFlags: callflag.WriteStates},
|
|
{Name: interopnames.SystemContractNativePostPersist, Func: native.PostPersist, Price: 0, RequiredFlags: callflag.WriteStates},
|
|
{Name: interopnames.SystemIteratorCreate, Func: iterator.Create, Price: 1 << 4, ParamCount: 1},
|
|
{Name: interopnames.SystemIteratorNext, Func: iterator.Next, Price: 1 << 15, ParamCount: 1},
|
|
{Name: interopnames.SystemIteratorValue, Func: iterator.Value, Price: 1 << 4, ParamCount: 1},
|
|
{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.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},
|
|
{Name: interopnames.SystemRuntimeGetInvocationCounter, Func: runtime.GetInvocationCounter, Price: 1 << 4},
|
|
{Name: interopnames.SystemRuntimeGetNotifications, Func: runtime.GetNotifications, Price: 1 << 8, ParamCount: 1},
|
|
{Name: interopnames.SystemRuntimeGetScriptContainer, Func: engineGetScriptContainer, Price: 1 << 3},
|
|
{Name: interopnames.SystemRuntimeGetTime, Func: runtime.GetTime, Price: 1 << 3, RequiredFlags: callflag.ReadStates},
|
|
{Name: interopnames.SystemRuntimeGetTrigger, Func: runtime.GetTrigger, Price: 1 << 3},
|
|
{Name: interopnames.SystemRuntimeLog, Func: runtime.Log, Price: 1 << 15, RequiredFlags: callflag.AllowNotify,
|
|
ParamCount: 1},
|
|
{Name: interopnames.SystemRuntimeNotify, Func: runtime.Notify, Price: 1 << 15, RequiredFlags: callflag.AllowNotify,
|
|
ParamCount: 2},
|
|
{Name: interopnames.SystemRuntimePlatform, Func: runtime.Platform, Price: 1 << 3},
|
|
{Name: interopnames.SystemStorageDelete, Func: storageDelete, Price: 0,
|
|
RequiredFlags: callflag.WriteStates, ParamCount: 2},
|
|
{Name: interopnames.SystemStorageFind, Func: storageFind, Price: 1 << 15, RequiredFlags: callflag.ReadStates,
|
|
ParamCount: 3},
|
|
{Name: interopnames.SystemStorageGet, Func: storageGet, Price: 1 << 15, RequiredFlags: callflag.ReadStates,
|
|
ParamCount: 2},
|
|
{Name: interopnames.SystemStorageGetContext, Func: storageGetContext, Price: 1 << 4,
|
|
RequiredFlags: callflag.ReadStates},
|
|
{Name: interopnames.SystemStorageGetReadOnlyContext, Func: storageGetReadOnlyContext, Price: 1 << 4,
|
|
RequiredFlags: callflag.ReadStates},
|
|
{Name: interopnames.SystemStoragePut, Func: storagePut, Price: 0, RequiredFlags: callflag.WriteStates,
|
|
ParamCount: 3}, // These don't have static price in C# code.
|
|
{Name: interopnames.SystemStorageAsReadOnly, Func: storageContextAsReadOnly, Price: 1 << 4,
|
|
RequiredFlags: callflag.ReadStates, ParamCount: 1},
|
|
}
|
|
|
|
var neoInterops = []interop.Function{
|
|
{Name: interopnames.NeoCryptoCheckMultisig, Func: crypto.ECDSASecp256r1CheckMultisig, Price: 0, ParamCount: 2},
|
|
{Name: interopnames.NeoCryptoCheckSig, Func: crypto.ECDSASecp256r1CheckSig, Price: fee.ECDSAVerifyPrice, ParamCount: 2},
|
|
}
|
|
|
|
// initIDinInteropsSlice initializes IDs from names in one given
|
|
// Function slice and then sorts it.
|
|
func initIDinInteropsSlice(iops []interop.Function) {
|
|
for i := range iops {
|
|
iops[i].ID = interopnames.ToID([]byte(iops[i].Name))
|
|
}
|
|
interop.Sort(iops)
|
|
}
|
|
|
|
// init initializes IDs in the global interop slices.
|
|
func init() {
|
|
initIDinInteropsSlice(systemInterops)
|
|
initIDinInteropsSlice(neoInterops)
|
|
}
|