lotus/chain/gen/genesis/util.go

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package genesis
import (
"context"
"fmt"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/specs-actors/actors/abi"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/vm"
)
func mustEnc(i cbg.CBORMarshaler) []byte {
enc, err := actors.SerializeParams(i)
if err != nil {
panic(err) // ok
}
return enc
}
func doExec(ctx context.Context, vm *vm.VM, to, from address.Address, method abi.MethodNum, params []byte) ([]byte, error) {
return doExecValue(ctx, vm, to, from, types.NewInt(0), method, params)
}
func doExecValue(ctx context.Context, vm *vm.VM, to, from address.Address, value types.BigInt, method abi.MethodNum, params []byte) ([]byte, error) {
act, err := vm.StateTree().GetActor(from)
if err != nil {
return nil, xerrors.Errorf("doExec failed to get from actor: %w", err)
}
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ret, err := vm.ApplyMessage(ctx, &types.Message{
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To: to,
From: from,
Method: method,
Params: params,
GasLimit: types.NewInt(1000000),
GasPrice: types.NewInt(0),
Value: value,
Nonce: act.Nonce,
})
if err != nil {
return nil, xerrors.Errorf("doExec apply message failed: %w", err)
}
if ret.ExitCode != 0 {
return nil, fmt.Errorf("failed to call method: %s", ret.ActorErr)
}
return ret.Return, nil
}