neoneo-go/pkg/core/native/interop.go

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package native
import (
"errors"
"fmt"
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"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/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/vm"
)
// Deploy deploys native contract.
func Deploy(ic *interop.Context, _ *vm.VM) error {
if ic.Block.Index != 0 {
return errors.New("native contracts can be deployed only at 0 block")
}
for _, native := range ic.Natives {
md := native.Metadata()
ps := md.Manifest.ABI.EntryPoint.Parameters
params := make([]smartcontract.ParamType, len(ps))
for i := range ps {
params[i] = ps[i].Type
}
cs := &state.Contract{
Script: md.Script,
ParamList: params,
ReturnType: md.Manifest.ABI.EntryPoint.ReturnType,
}
if err := ic.DAO.PutContractState(cs); err != nil {
return err
}
if err := native.Initialize(ic); err != nil {
return fmt.Errorf("initializing %s native contract: %v", md.ServiceName, err)
}
}
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return nil
}