package transaction import ( "errors" "github.com/CityOfZion/neo-go/pkg/wire/payload/transaction/types" "github.com/CityOfZion/neo-go/pkg/wire/payload/transaction/version" "github.com/CityOfZion/neo-go/pkg/wire/util" "github.com/CityOfZion/neo-go/pkg/wire/util/fixed8" ) type Invocation struct { *Base Script []byte Gas fixed8.Fixed8 } func NewInvocation(ver version.TX) *Invocation { basicTrans := createBaseTransaction(types.Invocation, ver) invocation := &Invocation{} invocation.Base = basicTrans invocation.encodeExclusive = invocation.encodeExcl invocation.decodeExclusive = invocation.decodeExcl return invocation } func (c *Invocation) encodeExcl(bw *util.BinWriter) { bw.VarUint(uint64(len(c.Script))) bw.Write(c.Script) switch c.Version { case 0: c.Gas = fixed8.Fixed8(0) case 1: bw.Write(&c.Gas) default: bw.Write(&c.Gas) } return } func (c *Invocation) decodeExcl(br *util.BinReader) { lenScript := br.VarUint() c.Script = make([]byte, lenScript) br.Read(&c.Script) switch c.Version { case 0: c.Gas = fixed8.Fixed8(0) case 1: br.Read(&c.Gas) default: br.Err = errors.New("Invalid Version Number for Invocation Transaction") } return }