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core: implement NativeContract support

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This commit is contained in:
Evgenii Stratonikov 2020-03-19 18:52:37 +03:00
parent 3831aec53f
commit 25354c44f9
6 changed files with 305 additions and 0 deletions
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8
pkg/core/interops.go
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@ -15,6 +15,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/interop/enumerator"
"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"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm"
@ -24,7 +25,12 @@ import (
// up for current blockchain.
func SpawnVM(ic *interop.Context) *vm.VM {
vm := vm.New()
bc := ic.Chain.(*Blockchain)
vm.SetScriptGetter(func(hash util.Uint160) ([]byte, bool) {
if c := bc.contracts.ByHash(hash); c != nil {
meta := c.Metadata()
return meta.Script, (meta.Manifest.Features&smartcontract.HasDynamicInvoke != 0)
}
cs, err := ic.DAO.GetContractState(hash)
if err != nil {
return nil, false
@ -34,6 +40,7 @@ func SpawnVM(ic *interop.Context) *vm.VM {
})
vm.RegisterInteropGetter(getSystemInterop(ic))
vm.RegisterInteropGetter(getNeoInterop(ic))
vm.RegisterInteropGetter(bc.contracts.GetNativeInterop(ic))
return vm
}
@ -161,6 +168,7 @@ var neoInterops = []interop.Function{
{Name: "Neo.Iterator.Key", Func: iterator.Key, Price: 1},
{Name: "Neo.Iterator.Keys", Func: iterator.Keys, Price: 1},
{Name: "Neo.Iterator.Values", Func: iterator.Values, Price: 1},
{Name: "Neo.Native.Deploy", Func: native.Deploy, Price: 1},
{Name: "Neo.Output.GetAssetId", Func: outputGetAssetID, Price: 1},
{Name: "Neo.Output.GetScriptHash", Func: outputGetScriptHash, Price: 1},
{Name: "Neo.Output.GetValue", Func: outputGetValue, Price: 1},