add new method GetTx to explorer

Author: bordalix

pkg/client-sdk/explorer/explorer.go

@@ -57,6 +57,18 @@ func newUtxo(explorerUtxo ExplorerUtxo, delay uint) Utxo {
 	}
 }
 
+type ExplorerTx struct {
+	Txid string `json:"txid"`
+	Vout []struct {
+		Address string `json:"scriptpubkey_address"`
+		Amount  uint64 `json:"value"`
+	} `json:"vout"`
+	Status struct {
+		Confirmed bool  `json:"confirmed"`
+		Blocktime int64 `json:"block_time"`
+	} `json:"status"`
+}
+
 type ExplorerUtxo struct {
 	Txid   string `json:"txid"`
 	Vout   uint32 `json:"vout"`
@@ -75,6 +87,7 @@ func (e ExplorerUtxo) ToUtxo(delay uint) Utxo {
 type Explorer interface {
 	GetTxHex(txid string) (string, error)
 	Broadcast(txHex string) (string, error)
+	GetTxs(addr string) ([]ExplorerTx, error)
 	GetUtxos(addr string) ([]ExplorerUtxo, error)
 	GetBalance(addr string) (uint64, error)
 	GetRedeemedVtxosBalance(
@@ -180,6 +193,28 @@ func (e *explorerSvc) Broadcast(txStr string) (string, error) {
 	return txid, nil
 }
 
+func (e *explorerSvc) GetTxs(addr string) ([]ExplorerTx, error) {
+	resp, err := http.Get(fmt.Sprintf("%s/address/%s/txs", e.baseUrl, addr))
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("failed to get txs: %s", string(body))
+	}
+	payload := []ExplorerTx{}
+	if err := json.Unmarshal(body, &payload); err != nil {
+		return nil, err
+	}
+
+	return payload, nil
+}
+
 func (e *explorerSvc) GetUtxos(addr string) ([]ExplorerUtxo, error) {
 	resp, err := http.Get(fmt.Sprintf("%s/address/%s/utxo", e.baseUrl, addr))
 	if err != nil {