(SQL Server) Bitfinex v2 REST Public Trades

The trades endpoint allows the retrieval of past public trades and includes details such as price, size, and time. Optional parameters can be used to limit the number of results; you can specify a start and end timestamp, a limit, and a sorting method.

For more information, see https://docs.bitfinex.com/reference#rest-public-trades

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

// Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
//
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    -- Implements the following CURL command:

    -- curl https://api-pub.bitfinex.com/v2/trades/tBTCUSD/hist?limit=5

    -- Use the following online tool to generate HTTP code from a CURL command
    -- Convert a cURL Command to HTTP Source Code

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, 'https://api-pub.bitfinex.com/v2/trades/tBTCUSD/hist?limit=5', @sbResponseBody
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    DECLARE @jarrResp int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonArray', @jarrResp OUT

    EXEC sp_OAMethod @jarrResp, 'LoadSb', @success OUT, @sbResponseBody
    EXEC sp_OASetProperty @jarrResp, 'EmitCompact', 0


    PRINT 'Response Body:'
    EXEC sp_OAMethod @jarrResp, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @http, 'LastStatus', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @http, 'LastHeader', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jarrResp
        RETURN
      END

    -- Sample JSON response:
    -- (Sample code for parsing the JSON response is shown below)

    -- on trading pairs (ex. tBTCUSD)
    -- [
    --   [
    --     ID,
    --     MTS,
    --     AMOUNT,
    --     PRICE
    --   ]
    -- ]

    -- [
    --   [
    --     472164271,
    --     1594077725121,
    --     -0.15101673,
    --     9370
    --   ],
    --   [
    --     472164270,
    --     1594077723860,
    --     -0.015,
    --     9370
    --   ],
    --   [
    --     472164269,
    --     1594077720208,
    --     -0.015,
    --     9370
    --   ],
    --   [
    --     472164267,
    --     1594077718125,
    --     -0.005,
    --     9370
    --   ],
    --   [
    --     472164251,
    --     1594077697587,
    --     -0.015,
    --     9370
    --   ]
    -- ]

    -- Sample code for parsing the JSON response...
    -- Use the following online tool to generate parsing code from sample JSON:
    -- Generate Parsing Code from JSON

    DECLARE @jarr_trade int

    DECLARE @i int
    SELECT @i = 0
    DECLARE @count_i int
    EXEC sp_OAGetProperty @jarrResp, 'Size', @count_i OUT
    WHILE @i < @count_i
      BEGIN
        EXEC sp_OAMethod @jarrResp, 'ArrayAt', @jarr_trade OUT, @i

        DECLARE @trade_id nvarchar(4000)
        EXEC sp_OAMethod @jarr_trade, 'StringAt', @trade_id OUT, 0
        DECLARE @mts nvarchar(4000)
        EXEC sp_OAMethod @jarr_trade, 'StringAt', @mts OUT, 1
        DECLARE @amount nvarchar(4000)
        EXEC sp_OAMethod @jarr_trade, 'StringAt', @amount OUT, 2
        DECLARE @price nvarchar(4000)
        EXEC sp_OAMethod @jarr_trade, 'StringAt', @price OUT, 3

        EXEC @hr = sp_OADestroy @jarr_trade

        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jarrResp


END
GO