github.com/mavryk-network/mvgo@v1.19.9/internal/compose/alpha/task/transfer.go (about)

     1  // Copyright (c) 2023 Blockwatch Data Inc.
     2  // Author: alex@blockwatch.cc, abdul@blockwatch.cc
     3  
     4  package task
     5  
     6  import (
     7  	"github.com/mavryk-network/mvgo/codec"
     8  	"github.com/mavryk-network/mvgo/internal/compose"
     9  	"github.com/mavryk-network/mvgo/internal/compose/alpha"
    10  	"github.com/mavryk-network/mvgo/rpc"
    11  	"github.com/mavryk-network/mvgo/signer"
    12  
    13  	"github.com/pkg/errors"
    14  )
    15  
    16  var _ alpha.TaskBuilder = (*TransferTask)(nil)
    17  
    18  func init() {
    19  	alpha.RegisterTask("transfer", NewTransferTask)
    20  }
    21  
    22  type TransferTask struct {
    23  	TargetTask
    24  	Amount int64
    25  }
    26  
    27  func NewTransferTask() alpha.TaskBuilder {
    28  	return &TransferTask{}
    29  }
    30  
    31  func (t *TransferTask) Type() string {
    32  	return "transfer"
    33  }
    34  
    35  func (t *TransferTask) Build(ctx compose.Context, task alpha.Task) (*codec.Op, *rpc.CallOptions, error) {
    36  	if err := t.parse(ctx, task); err != nil {
    37  		return nil, nil, errors.Wrap(err, "parse")
    38  	}
    39  	opts := rpc.NewCallOptions()
    40  	opts.Signer = signer.NewFromKey(t.Key)
    41  	op := codec.NewOp().WithSource(t.Source).WithTransfer(t.Destination, t.Amount)
    42  	return op, opts, nil
    43  }
    44  
    45  func (t *TransferTask) Validate(ctx compose.Context, task alpha.Task) error {
    46  	return t.parse(ctx, task)
    47  }
    48  
    49  func (t *TransferTask) parse(ctx compose.Context, task alpha.Task) (err error) {
    50  	if err = t.TargetTask.parse(ctx, task); err != nil {
    51  		return err
    52  	}
    53  	t.Amount = int64(task.Amount)
    54  	return
    55  }