Add transaction tax report #373
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This PR adds the
Transaction Tax ReportAdds two strategies to calculate the user's trades
FIFOandLIFO.FIFO(first-in-first-out) andLIFO(last-in-first-out) are two accounting methods used to calculate cryptocurrency gains and losses, see this articleFor conversion currencies are used the
Public Tradesendpoint of theBFXapi_v2: https://docs.bitfinex.com/reference/rest-public-tradesBasic changes:
getTransactionTaxReportendpointgetTransactionTaxReportFileendpointmakeTrxTaxReportInBackgroundendpointgetTransactionTaxReportrequest example{ "auth": { "token": "user_token" }, "method": "getTransactionTaxReport", "params": { "start": 1706861968714, "end": 1712042359302, "strategy": "LIFO" // or "FIFO" } }getTransactionTaxReportresponse example{ "jsonrpc": "2.0", "result": [ { "asset": "LTC", "amount": 1.43796106, "mtsAcquired": 1712042016000, "mtsSold": 1712042359302, "proceeds": 142.64861307412, "cost": 142.41853930451998, "gainOrLoss": 0.23007376960001125 }, { "asset": "BTC", "amount": 0.001342, "mtsAcquired": 1649771737942, "mtsSold": 1709584808125, "proceeds": 90.838638, "cost": 54.303808778059306, "gainOrLoss": 36.5348292219407 }, { "asset": "LTC", "amount": 1e-8, "mtsAcquired": 1706858241000, "mtsSold": 1706861968714, "proceeds": 6.7707e-7, "cost": 6.7876e-7, "gainOrLoss": -1.6900000000000634e-9 } ], "id": null }getTransactionTaxReportFilerequest example{ "auth": { "token": "user_token" }, "method": "getTransactionTaxReportFile", "params": { "start": 1706861968714, "end": 1712042359302, "strategy": "LIFO" } }getTransactionTaxReportFileresponse example{ "jsonrpc": "2.0", "result": { "isSaveLocaly": true, "localReportFolderPath": "/home/user/docs/bitfinex/report-files", "remoteReportUrn": null, "localCsvFolderPath": "/home/user/docs/bitfinex/report-files", "remoteCsvUrn": null }, "id": null }makeTrxTaxReportInBackgroundrequest example{ "auth": { "token": "user_token" }, "method": "makeTrxTaxReportInBackground", "params": { "start": 1706861968714, "end": 1712042359302, "strategy": "LIFO" } }makeTrxTaxReportInBackgroundresponse example{ "jsonrpc": "2.0", "result": true, "id": null }The idea of the
makeTrxTaxReportInBackgroundendpoint is the following:the big users may have a lot of trades for a certain year
to convert currencies to USD are used the public trades endpoint of the BFX API with 15reqs/min rate limit
it can lead to significant time in report generation
to fight HTTP timeout for this case, it is necessary to send
makeTrxTaxReportInBackgroundHTTP request to schedule generationand when the report generation is successful the data of the tax report will be responded via WebSocket
emitTrxTaxReportGenerationInBackgroundToOneWS event example:{ "jsonrpc": "2.0", "result": [ { "asset": "LTC", "amount": 1.43796106, "mtsAcquired": 1712042016000, "mtsSold": 1712042359302, "proceeds": 142.64861307412, "cost": 142.41853930451998, "gainOrLoss": 0.23007376960001125 }, { "asset": "BTC", "amount": 0.001342, "mtsAcquired": 1649771737942, "mtsSold": 1709584808125, "proceeds": 90.838638, "cost": 54.303808778059306, "gainOrLoss": 36.5348292219407 }, { "asset": "LTC", "amount": 1e-8, "mtsAcquired": 1706858241000, "mtsSold": 1706861968714, "proceeds": 6.7707e-7, "cost": 6.7876e-7, "gainOrLoss": -1.6900000000000634e-9 } ], "id": null, "action": "emitTrxTaxReportGenerationInBackgroundToOne" }emitTrxTaxReportGenerationInBackgroundToOneWS event example in case anerror{ "jsonrpc": "2.0", "error": { "code": 500, "message": "Internal Server Error", "data": null }, "id": null, "action": "emitTrxTaxReportGenerationInBackgroundToOne" }Depends on this PR: