feat: transaction history (including by voucher) (#24)

* sql: add transaction transaction record queries

- get full tx history
- get latest txs for a specific token

* sql: (fix) add id column to select

* sql: (fix) change column name to identifier

* fix: pagination queries

- refactor keyset pagination query to correctly fecth previous page
- remove pagination from token list
- add fetch latest transactions by token

* tidy: remove dev logs

* feat: (db) add index for desc for pagination

internal/admin/api.go

@@ -35,6 +35,8 @@ func InitAdminApi(e *echo.Echo, db *pgxpool.Pool, queries goyesql.Queries, metaC
 	g.GET("/pin-status", handlePinStatus)
 	g.GET("/phone-2-address/:phone", handlePhone2Address)
 	g.GET("/address-2-phone/:address", handleAddress2Phone)
+	g.GET("/latest-transactions/:phone", handleLatestTransactions)
+	g.GET("/latest-transactions-by-token/:phone/:token", handleLatestTransactionsByToken)
 }
 
 func newApi(db *pgxpool.Pool, queries goyesql.Queries, metaClient *meta.CicMeta, jwtKey string) *api {

internal/admin/transactions.go

@@ -0,0 +1,96 @@
+package admin
+
+import (
+	"cic-dw/pkg/pagination"
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/georgysavva/scany/pgxscan"
+	"github.com/jackc/pgx/v4"
+	"github.com/labstack/echo/v4"
+)
+
+type userTransactionRes struct {
+	Id                  int64     `db:"id" json:"id"`
+	Date                time.Time `db:"date_block" json:"tx_date"`
+	TxHash              string    `db:"tx_hash" json:"tx_hash"`
+	TokenSymbol         string    `db:"token_symbol" json:"voucher"`
+	SenderAddress       string    `db:"sender_address" json:"sender_address"`
+	RecipeintAddress    string    `db:"recipient_address" json:"recipient_address"`
+	TxValue             int64     `db:"tx_value" json:"tx_value"`
+	TxSuccess           bool      `db:"success" json:"tx_success"`
+	SenderIdentifier    string    `db:"sender_identifier" json:"sender_identifier"`
+	RecipientIdentifier string    `db:"recipient_identifier" json:"recipient_identifier"`
+}
+
+func handleLatestTransactions(c echo.Context) error {
+	var (
+		api   = c.Get("api").(*api)
+		phone = c.Param("phone")
+		pg    = pagination.GetPagination(c.QueryParams())
+
+		data []userTransactionRes
+		rows pgx.Rows
+		err  error
+	)
+
+	if pg.FirstPage {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions"], phone, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	} else if pg.Next {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions-next"], phone, pg.Cursor, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	} else {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions-previous"], phone, pg.Cursor, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	}
+
+	if err := pgxscan.ScanAll(&data, rows); err != nil {
+		return err
+	}
+
+	return c.JSON(http.StatusOK, data)
+}
+
+func handleLatestTransactionsByToken(c echo.Context) error {
+	var (
+		api   = c.Get("api").(*api)
+		phone = c.Param("phone")
+		token = c.Param("token")
+		pg    = pagination.GetPagination(c.QueryParams())
+
+		data []userTransactionRes
+		rows pgx.Rows
+		err  error
+	)
+
+	if pg.FirstPage {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions-by-token"], phone, token, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	} else if pg.Next {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions-by-token-next"], phone, token, pg.Cursor, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	} else {
+		rows, err = api.db.Query(context.Background(), api.q["account-latest-transactions-by-token-previous"], phone, token, pg.Cursor, pg.PerPage)
+		if err != nil {
+			return err
+		}
+	}
+
+	if err := pgxscan.ScanAll(&data, rows); err != nil {
+		return err
+	}
+
+	return c.JSON(http.StatusOK, data)
+}