294 lines
9.3 KiB
Go
294 lines
9.3 KiB
Go
// Copyright 2017-2021 DERO Project. All rights reserved.
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// Use of this source code in any form is governed by RESEARCH license.
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// license can be found in the LICENSE file.
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// GPG: 0F39 E425 8C65 3947 702A 8234 08B2 0360 A03A 9DE8
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//
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// this package contains only struct definitions required to implement wallet rpc (compatible with C daemon)
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// in order to avoid the dependency on block chain by any package requiring access to rpc
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// and other structures
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// having the structures was causing the build times of explorer/wallet to be more than couple of secs
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// so separated the logic from the structures
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package rpc
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import "fmt"
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import "time"
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import "strings"
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import "math/big"
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import "github.com/deroproject/derohe/cryptography/crypto"
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// these structures are completely decoupled from blockchain and live only within the wallet
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// all inputs and outputs which modify balance are presented by this structure
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type Entry struct {
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Height uint64 `json:"height"`
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TopoHeight int64 `json:"topoheight"`
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BlockHash string `json:"blockhash"`
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MinerReward uint64 `json:"minerreward"`
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TransactionPos int `json:"tpos"` // pos within block is negative -1 for coinbase
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Pos int `json:"pos"` // pos within transaction
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Coinbase bool `json:"coinbase"`
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Incoming bool `json:"incoming"`
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TXID string `json:"txid"`
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Destination string `json:"destination"`
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Burn uint64 `json:"burn,omitempty"`
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Amount uint64 `json:"amount"`
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Fees uint64 `json:"fees"`
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Proof string `json:"proof"` // can be used to prove if available
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Status byte `json:"status"`
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Time time.Time `json:"time"`
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EWData string `json:"ewdata"` // encrypted wallet balance at that point in time
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Data []byte `json:"data"` // data is entire decrypted dump
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PayloadType byte `json:"payloadtype"`
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Payload []byte `json:"payload"`
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PayloadError string `json:"payloaderror,omitempty"`
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Payload_RPC Arguments `json:"payload_rpc,omitempty"`
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// these fields are only valid based on payload type and if payload could be successfully parsed and will by default be equal to zero values
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Sender string `json:"sender"`
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DestinationPort uint64 `json:"dstport"`
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SourcePort uint64 `json:"srcport"`
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}
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// converts entry to string
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func (e Entry) String() string {
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var b strings.Builder
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if e.Coinbase {
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fmt.Fprintf(&b, "Type: Coinbase\n")
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fmt.Fprintf(&b, "Amount: %s\n", FormatMoney(e.Amount))
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} else if e.Incoming {
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fmt.Fprintf(&b, "Type: Received\n")
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fmt.Fprintf(&b, "Amount: %s\n", FormatMoney(e.Amount))
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fmt.Fprintf(&b, "TXID: %s\n", e.TXID)
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} else {
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fmt.Fprintf(&b, "Type: Sent Outgoing\n")
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fmt.Fprintf(&b, "Amount: %s\n", FormatMoney(e.Amount))
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fmt.Fprintf(&b, "TXID: %s\n", e.TXID)
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fmt.Fprintf(&b, "Destination: %s\n", e.Destination)
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fmt.Fprintf(&b, "Proof: %s\n", e.Proof)
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}
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if !e.Coinbase {
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fmt.Fprintf(&b, "PayloadType : %d\n", e.PayloadType)
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if e.PayloadType == 0 {
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fmt.Fprintf(&b, "Sender: %s\n", e.Sender)
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if e.PayloadError == "" {
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args, _ := e.ProcessPayload()
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fmt.Fprintf(&b, "DestPort: %016x\n", e.DestinationPort)
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fmt.Fprintf(&b, "SrcPort: %016x\n", e.SourcePort)
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fmt.Fprintf(&b, "Arguments: %+v\n", args)
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} else {
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fmt.Fprintf(&b, "Raw Payload: %x\n", e.Payload[:])
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fmt.Fprintf(&b, "Payload error: %s\n", e.PayloadError)
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}
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}
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}
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fmt.Fprintf(&b, "Block: %s\n", e.BlockHash)
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fmt.Fprintf(&b, "Block Height: %d\n", e.Height)
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fmt.Fprintf(&b, "Block TopoHeight: %d\n", e.TopoHeight)
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fmt.Fprintf(&b, "Pos within tx: %d\n", e.Pos)
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fmt.Fprintf(&b, "Time: %s\n", e.Time)
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return b.String()
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}
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// process and updates necessary fields in the entry
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func (e *Entry) ProcessPayload() (args Arguments, err error) {
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if len(e.Payload) == 0 {
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err = fmt.Errorf("zero length payload")
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return
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}
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if err = args.UnmarshalBinary(e.Payload); err == nil {
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// lets decode dest port,source port for easier services programming
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if args.Has(RPC_DESTINATION_PORT, DataUint64) { // but only it is present
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e.DestinationPort = args.Value(RPC_DESTINATION_PORT, DataUint64).(uint64)
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}
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if args.Has(RPC_SOURCE_PORT, DataUint64) { // but only it is present
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e.SourcePort = args.Value(RPC_SOURCE_PORT, DataUint64).(uint64)
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}
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e.Payload_RPC = append([]Argument{}, args...)
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} else { // err is not nil so store it
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e.PayloadError = err.Error()
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}
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return args, err
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}
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// never do any division operation on money due to floating point issues
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// newbies, see type the next in python interpretor "3.33-3.13"
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//
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func FormatMoney(amount uint64) string {
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return FormatMoneyPrecision(amount, 5) // default is 5 precision after floating point
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}
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// 0
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func FormatMoney0(amount uint64) string {
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return FormatMoneyPrecision(amount, 0)
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}
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//5 precision
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func FormatMoney5(amount uint64) string {
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return FormatMoneyPrecision(amount, 5)
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}
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//8 precision
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func FormatMoney8(amount uint64) string {
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return FormatMoneyPrecision(amount, 8)
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}
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// 12 precision
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func FormatMoney12(amount uint64) string {
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return FormatMoneyPrecision(amount, 12) // default is 8 precision after floating point
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}
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// format money with specific precision
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func FormatMoneyPrecision(amount uint64, precision int) string {
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hard_coded_decimals := new(big.Float).SetInt64(100000)
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float_amount, _, _ := big.ParseFloat(fmt.Sprintf("%d", amount), 10, 0, big.ToZero)
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result := new(big.Float)
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result.Quo(float_amount, hard_coded_decimals)
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return result.Text('f', precision) // 5 is display precision after floating point
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}
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type (
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GetBalance_Params struct {
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SCID crypto.Hash `json:"scid"`
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} // no params
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GetBalance_Result struct {
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Balance uint64 `json:"balance"`
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Unlocked_Balance uint64 `json:"unlocked_balance"`
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}
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)
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type (
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GetAddress_Params struct{} // no params
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GetAddress_Result struct {
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Address string `json:"address"`
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}
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)
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type (
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GetHeight_Params struct{} // no params
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GetHeight_Result struct {
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Height uint64 `json:"height"`
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}
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)
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// return type is string
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type (
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Transfer struct {
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SCID crypto.Hash `json:"scid"`
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Destination string `json:"destination"`
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Amount uint64 `json:"amount"`
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Burn uint64 `json:"burn"`
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Payload_RPC Arguments `json:"payload_rpc"`
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}
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Transfer_Params struct {
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Transfers []Transfer `json:"transfers"`
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SC_Code string `json:"sc"`
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SC_Value uint64 `json:"sc_value"`
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SC_ID string `json:"scid"`
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SC_RPC Arguments `json:"sc_rpc"`
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Ringsize uint64 `json:"ringsize"`
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}
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Transfer_Result struct {
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TXID string `json:"txid,omitempty"`
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}
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)
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type (
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SC_Invoke_Params struct {
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SC_ID string `json:"scid"`
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SC_RPC Arguments `json:"sc_rpc"`
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SC_DERO_Deposit uint64 `json:"sc_dero_deposit"`
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SC_TOKEN_Deposit uint64 `json:"sc_token_deposit"`
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Ringsize uint64 `json:"ringsize"`
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}
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)
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type (
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Get_Transfers_Params struct {
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SCID crypto.Hash `json:"scid"`
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Coinbase bool `json:"coinbase"`
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In bool `json:"in"`
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Out bool `json:"out"`
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Min_Height uint64 `json:"min_height"`
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Max_Height uint64 `json:"max_height"`
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Sender string `json:"sender"`
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Receiver string `json:"receiver"`
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DestinationPort uint64 `json:"dstport"`
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SourcePort uint64 `json:"srcport"`
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}
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Get_Transfers_Result struct {
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Entries []Entry `json:"entries,omitempty"`
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}
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)
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// Get_Bulk_Payments
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type (
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Get_Bulk_Payments_Params struct {
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Payment_IDs []string `json:"payment_ids"`
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Min_block_height uint64 `json:"min_block_height"`
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}
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Get_Bulk_Payments_Result struct {
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}
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)
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// query_key
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type (
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Query_Key_Params struct {
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Key_type string `json:"key_type"`
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}
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Query_Key_Result struct {
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Key string `json:"key"`
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}
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)
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// make_integrated_address_handler
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type (
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Make_Integrated_Address_Params struct {
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Address string `json:"address"` // if its empty we assume wallets address
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Payload_RPC Arguments `json:"payload_rpc"`
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}
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Make_Integrated_Address_Result struct {
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Integrated_Address string `json:"integrated_address"`
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Payload_RPC Arguments `json:"payload_rpc"`
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}
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)
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// split_integrated_address_handler
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type (
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Split_Integrated_Address_Params struct {
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Integrated_Address string `json:"integrated_address"`
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}
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Split_Integrated_Address_Result struct {
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Address string `json:"address"`
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Payload_RPC Arguments `json:"payload_rpc"`
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}
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)
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// Get_Transfer_By_TXID
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type (
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Get_Transfer_By_TXID_Params struct {
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TXID string `json:"txid"`
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}
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Get_Transfer_By_TXID_Result struct {
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Entry Entry `json:"entry,omitempty"`
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}
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)
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