neoneo-go/pkg/core/transaction/output.go
dauTT 19201dcf52 Implemented rpc server method GetRawTransaction (#135)
* Added utility function GetVarSize

* 1) Added Size method: this implied that Fixed8 implements now the serializable interface. 2) Added few arithmetic operation (Add, Sub, div): this will be used to calculated networkfeeand feePerByte. Changed return value of the Value() method to int instead of int64. Modified fixed8_test accordingly.

* Implemented Size or MarshalJSON method.
- Structs accepting the Size method implement the serializable interface.
- Structs accepting the MarshalJSON method implements the customized json marshaller interface.

* Added fee calculation

* Implemented rcp server method GetRawTransaction

* Updated Tests

* Fixed:
1) NewFixed8 will accept as input int64
2) race condition affecting configDeafault, blockchainDefault

* Simplified Size calculation

* 1) Removed global variable blockchainDefault, configDefault
2) Extended Blockchainer interface to include the methods: References, FeePerByte, SystemFee, NetworkFee
3) Deleted fee_test.go, fee.go. Moved corresponding methods to blockchain_test.go and blockchain.go respectively
4) Amended tx_raw_output.go

* Simplified GetVarSize Method

* Replaced ValueAtAndType with ValueWithType

* Cosmetic changes + Added test case getrawtransaction_7

* Clean up Print statement

* Filled up keys

* Aligned verbose logic with the C#-neo implementation

* Implemented @Kim requests
Refactor server_test.go

* Small fixes

* Fixed verbose logic
Added more tests
Cosmetic changes

* Replaced assert.NoError with require.NoError

* Fixed tests by adding context.Background() as argument

* Fixed tests
2019-02-20 18:39:32 +01:00

72 lines
1.9 KiB
Go

package transaction
import (
"encoding/binary"
"encoding/json"
"io"
"github.com/CityOfZion/neo-go/pkg/crypto"
"github.com/CityOfZion/neo-go/pkg/util"
)
// Output represents a Transaction output.
type Output struct {
// The NEO asset id used in the transaction.
AssetID util.Uint256
// Amount of AssetType send or received.
Amount util.Fixed8
// The address of the recipient.
ScriptHash util.Uint160
// The position of the Output in slice []Output. This is actually set in NewTransactionOutputRaw
// and used for diplaying purposes.
Position int
}
// NewOutput returns a new transaction output.
func NewOutput(assetID util.Uint256, amount util.Fixed8, scriptHash util.Uint160) *Output {
return &Output{
AssetID: assetID,
Amount: amount,
ScriptHash: scriptHash,
}
}
// DecodeBinary implements the Payload interface.
func (out *Output) DecodeBinary(r io.Reader) error {
if err := binary.Read(r, binary.LittleEndian, &out.AssetID); err != nil {
return err
}
if err := binary.Read(r, binary.LittleEndian, &out.Amount); err != nil {
return err
}
return binary.Read(r, binary.LittleEndian, &out.ScriptHash)
}
// EncodeBinary implements the Payload interface.
func (out *Output) EncodeBinary(w io.Writer) error {
if err := binary.Write(w, binary.LittleEndian, out.AssetID); err != nil {
return err
}
if err := binary.Write(w, binary.LittleEndian, out.Amount); err != nil {
return err
}
return binary.Write(w, binary.LittleEndian, out.ScriptHash)
}
// Size returns the size in bytes of the Output
func (out *Output) Size() int {
return out.AssetID.Size() + out.Amount.Size() + out.ScriptHash.Size()
}
// MarshalJSON implements the Marshaler interface
func (out *Output) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]interface{}{
"asset": out.AssetID,
"value": out.Amount,
"address": crypto.AddressFromUint160(out.ScriptHash),
"n": out.Position,
})
}