mirror of
https://github.com/GrassrootsEconomics/cic-dw.git
synced 2024-12-22 19:07:33 +01:00
Mohamed Sohail
b59c0ba3fc
* 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
131 lines
2.7 KiB
Go
131 lines
2.7 KiB
Go
package public
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import (
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"cic-dw/pkg/address"
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"context"
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"net/http"
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"github.com/georgysavva/scany/pgxscan"
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"github.com/labstack/echo/v4"
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"github.com/lmittmann/w3"
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)
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type tokensRes struct {
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Id int `db:"id" json:"id"`
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TokenSymbol string `db:"token_symbol" json:"token_symbol"`
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TokenName string `db:"token_name" json:"token_name"`
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TokenAddress string `db:"token_address" json:"token_addres"`
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}
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type tokenCountRes struct {
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Count int `db:"count" json:"count"`
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}
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type TokenInfoRes struct {
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IsDemurrage bool `json:"is_demurrage"`
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Name string `json:"token_name"`
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Symbol string `json:"token_symbol"`
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TotalSupply int64 `json:"token_total_supply"`
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}
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type tokenSummaryRes struct {
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TotalHolders int64 `db:"count" json:"token_holders"`
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TotalTransactions int64 `db:"count" json:"token_transactions"`
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}
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func handleTokenListQuery(c echo.Context) error {
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var (
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api = c.Get("api").(*api)
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res []tokensRes
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)
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rows, err := api.db.Query(context.Background(), api.q["list-tokens"])
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if err != nil {
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return err
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}
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if err := pgxscan.ScanAll(&res, rows); err != nil {
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return err
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}
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return c.JSON(http.StatusOK, res)
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}
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func handleTokensCountQuery(c echo.Context) error {
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var (
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api = c.Get("api").(*api)
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res tokenCountRes
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)
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rows, err := api.db.Query(context.Background(), api.q["tokens-count"])
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if err != nil {
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return err
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}
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if err := pgxscan.ScanOne(&res, rows); err != nil {
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return err
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}
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return c.JSON(http.StatusOK, res)
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}
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func handleTokenInfo(c echo.Context) error {
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var (
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api = c.Get("api").(*api)
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tokenAddress = c.Param("address")
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rCtx = context.Background()
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res TokenInfoRes
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)
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_, err := api.cn.DemurrageTokenInfo(rCtx, w3.A(address.Checksum(tokenAddress)))
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if err != nil {
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res.IsDemurrage = false
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} else {
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res.IsDemurrage = true
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}
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tokenInfo, err := api.cn.ERC20TokenInfo(rCtx, w3.A(address.Checksum(tokenAddress)))
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if err != nil {
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return err
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}
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res.Name = tokenInfo.Name
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res.Symbol = tokenInfo.Symbol
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res.TotalSupply = tokenInfo.TotalSupply.Int64() / 1000000
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return c.JSON(http.StatusOK, res)
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}
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func handleTokenSummary(c echo.Context) error {
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var (
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api = c.Get("api").(*api)
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token = c.Param("address")
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data tokenSummaryRes
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)
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uniqueTokenHoldersrRow, err := api.db.Query(context.Background(), api.q["unique-token-holders"], token)
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if err != nil {
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return err
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}
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if err := pgxscan.ScanOne(&data.TotalHolders, uniqueTokenHoldersrRow); err != nil {
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return err
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}
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tokenTxRow, err := api.db.Query(context.Background(), api.q["all-time-token-transactions-count"], token)
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if err != nil {
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return err
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}
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if err := pgxscan.ScanOne(&data.TotalTransactions, tokenTxRow); err != nil {
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return err
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}
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return c.JSON(http.StatusOK, data)
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}
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