neoneo-go/pkg/rpc/response/result/tx_raw_output.go
Anna Shaleva 083879838c rpc: adjust getrawtransaction and gettransactionheight RPC call
We should return verbose transaction in case if it is in the mempool
from `getrawtransaction`. We also shouldn't return height from
`gettransactionheight` in case if transaction is in the mempool.
2020-11-16 13:25:42 +03:00

80 lines
2.5 KiB
Go

package result
import (
"encoding/json"
"errors"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/util"
)
// TransactionOutputRaw is used as a wrapper to represents
// a Transaction.
type TransactionOutputRaw struct {
transaction.Transaction
TransactionMetadata
}
// TransactionMetadata is an auxiliary struct for proper TransactionOutputRaw marshaling.
type TransactionMetadata struct {
Blockhash util.Uint256 `json:"blockhash,omitempty"`
Confirmations int `json:"confirmations,omitempty"`
Timestamp uint64 `json:"blocktime,omitempty"`
VMState string `json:"vmstate,omitempty"`
}
// NewTransactionOutputRaw returns a new ransactionOutputRaw object.
func NewTransactionOutputRaw(tx *transaction.Transaction, header *block.Header, appExecResult *state.AppExecResult, chain blockchainer.Blockchainer) TransactionOutputRaw {
result := TransactionOutputRaw{
Transaction: *tx,
}
if header == nil {
return result
}
// confirmations formula
confirmations := int(chain.BlockHeight() - header.Base.Index + 1)
result.TransactionMetadata = TransactionMetadata{
Blockhash: header.Hash(),
Confirmations: confirmations,
Timestamp: header.Timestamp,
VMState: appExecResult.VMState.String(),
}
return result
}
// MarshalJSON implements json.Marshaler interface.
func (t TransactionOutputRaw) MarshalJSON() ([]byte, error) {
output, err := json.Marshal(t.TransactionMetadata)
if err != nil {
return nil, err
}
txBytes, err := json.Marshal(&t.Transaction)
if err != nil {
return nil, err
}
// We have to keep both transaction.Transaction and tranactionOutputRaw at the same level in json
// in order to match C# API, so there's no way to marshall Tx correctly with standard json.Marshaller tool.
if output[len(output)-1] != '}' || txBytes[0] != '{' {
return nil, errors.New("can't merge internal jsons")
}
output[len(output)-1] = ','
output = append(output, txBytes[1:]...)
return output, nil
}
// UnmarshalJSON implements json.Marshaler interface.
func (t *TransactionOutputRaw) UnmarshalJSON(data []byte) error {
// As transaction.Transaction and tranactionOutputRaw are at the same level in json,
// do unmarshalling separately for both structs.
output := new(TransactionMetadata)
err := json.Unmarshal(data, output)
if err != nil {
return err
}
t.TransactionMetadata = *output
return json.Unmarshal(data, &t.Transaction)
}