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withdrawals.go
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withdrawals.go
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package rls
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
)
// WithdrawalDetail is a portion of Withdrawal object
type WithdrawalDetail struct {
Network string `json:"network"`
Invoice string `json:"destination"`
FeeLimit int64 `json:"fee_limit"`
}
// Withdrawal contains the result of a call that returns a withdrawal
type Withdrawal struct {
Amount int64 `json:"amount"`
Currency string `json:"currency"`
Details WithdrawalDetail `json:"withdrawal_details"`
State string `json:"state,omitempty"`
ID string `json:"id,omitempty"`
FeePaid int64 `json:"fee_paid,omitempty"`
Timestamp int64 `json:"timestamp,omitempty"`
}
type WithdrawalList struct {
Withdrawals []Withdrawal `json:"withdrawals"`
NextTimestamp int64 `json:"next_timestamp,omitempty"`
}
// Invoice returns Withdrawal Invoice string
func (wd *Withdrawal) Invoice() string {
return wd.Details.Invoice
}
// Network returns Deposit Invoice Network
func (wd *Withdrawal) Network() string {
return wd.Details.Network
}
// FeeLimit returns Withdrawal Detail's Fee Limit
func (wd *Withdrawal) FeeLimit() int64 {
return wd.Details.FeeLimit
}
const (
// LN is the default and only valid network
LN string = "LN"
// BTC is the default and only currency
BTC string = "BTC"
// DefaultFeeLimit is the default fee limit of this client
DefaultFeeLimit int64 = 300
)
func (rls *RLSClient) handleWithdrawal(req *http.Request, err error) (*Withdrawal, error) {
if err != nil {
return nil, err
}
var withdrawal Withdrawal
err = rls.sendRequest(req, &withdrawal)
if err != nil {
return nil, err
}
return &withdrawal, nil
}
// NewWithdrawal returns a Withdrawal object to be passed to SubmitWithdrawal
func NewWithdrawal(amount int64, invoice string) *Withdrawal {
return &Withdrawal{
Amount: amount,
Currency: BTC,
Details: WithdrawalDetail{
Invoice: invoice,
FeeLimit: DefaultFeeLimit,
Network: LN,
},
}
}
// NewWithdrawalWithFeeLimit returns a Withdrawal object with a defined fee_limit to be passed to SubmitWithdrawal
func NewWithdrawalWithFeeLimit(amount int64, invoice string, feeLimit int64) *Withdrawal {
return &Withdrawal{
Amount: amount,
Currency: BTC,
Details: WithdrawalDetail{
Invoice: invoice,
FeeLimit: feeLimit,
Network: LN,
},
}
}
// NewWithdrawal initiates a withdrawal from RLS API by paying a specific invoice
func (rls *RLSClient) NewWithdrawal(withdrawal *Withdrawal) (*Withdrawal, error) {
body, err := json.Marshal(withdrawal)
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodPost, fmt.Sprintf("%s/accounts/%s/withdrawals", rls.BaseURL(), rls.AccountID()), bytes.NewBuffer(body))
return rls.handleWithdrawal(req, err)
}
// GetWithdrawal returns a withdrawal based on the passed withdrawal_id
func (rls *RLSClient) GetWithdrawal(withdrawalID string) (*Withdrawal, error) {
req, err := http.NewRequest(
http.MethodGet,
fmt.Sprintf("%s/accounts/%s/withdrawals/%s",
rls.BaseURL(),
rls.AccountID(),
withdrawalID),
nil,
)
return rls.handleWithdrawal(req, err)
}
func (rls *RLSClient) ListWithdrawals(limit int64, nextTimestamp int64) (*WithdrawalList, error) {
req, err := http.NewRequest(
http.MethodGet,
fmt.Sprintf("%s/accounts/%s/withdrawals",
rls.BaseURL(),
rls.AccountID(),
),
nil,
)
// Add query params
query := req.URL.Query()
query.Add("limit", fmt.Sprint(limit))
if nextTimestamp != 0 {
query.Add("next_timestamp", fmt.Sprint(nextTimestamp))
}
req.URL.RawQuery = query.Encode()
var withdrawals WithdrawalList
err = rls.sendRequest(req, &withdrawals)
if err != nil {
return nil, err
}
return &withdrawals, nil
}