feat: migrate RealUnit price to Aktionariat API#3188
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TaprootFreak merged 6 commits intodevelopfrom Feb 13, 2026
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Replace direct smart contract reads (getPrice, getBuyPrice, getShares, settings) with the Aktionariat REST API endpoint for price and share data. Add 30s AsyncCache with fallback for resilience. Expose availableShares in all broker DTOs and remove raw wei fields (pricePerShareRaw, totalPriceRaw).
The API returns priceInEUR directly, so use it for the /realunit/price endpoint instead of deriving EUR from CHF via exchange rate conversion.
Add getDirectEurPrice() to PricingRealUnitService that returns the EUR price from the Aktionariat API for REALU<->EUR pairs. PricingService checks for this direct price before falling back to the rule chain, ensuring buy/sell and display endpoints use the same EUR rate.
When a REALU buy quote is confirmed, call the Aktionariat requestPaymentInstructions endpoint to register the order and store the response in a new aktionariatResponse column on transaction_request.
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xlamn
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Feb 13, 2026
src/subdomains/supporting/pricing/services/integration/pricing-realunit.service.ts
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src/integration/blockchain/realunit/realunit-blockchain.service.ts
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src/subdomains/supporting/payment/services/transaction-request.service.ts
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- Add PaymentInstructionsResponse DTO to replace Promise<any> - Move Aktionariat order submission from TransactionRequestService into RealUnitService.confirmBuy() - Add PUT /realunit/buy/:id/confirm endpoint - Remove RealUnitBlockchainService dependency from TransactionRequestService - Make confirmTransactionRequest accept optional aktionariatResponse param
xlamn
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Feb 13, 2026
xlamn
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Feb 13, 2026
with DFXswiss/api#3188 (review) another endpoint is used to confirm the pay payment - update confirm payment path - added available shares to dtos
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Summary
getPrice,getBuyPrice,getShares,settings) with the Aktionariat REST API (POST /realunit/directinvestment/getPrice)AsyncCache(30s TTL, fallback to cache on API failure) so all methods share a single cached API callavailableSharesin all broker DTOs (BrokerbotPriceDto,BrokerbotBuyPriceDto,BrokerbotSharesDto,BrokerbotInfoDto)pricePerShareRaw,totalPriceRaw) — breaking change, as intendedpriceInEURfrom the API directly for REALU↔EUR pricing across the entire system (display, buy, sell) instead of deriving EUR from CHF via market exchange ratesaktionariat.cominHttpServicefor local developmentChanged files
realunit-blockchain.service.tsfetchPrice()with AsyncCacherealunit-broker.dto.tsavailableShares, removepricePerShareRaw/totalPriceRawpricing-realunit.service.tsgetDirectEurPrice()for direct REALU↔EUR pricing from APIpricing.service.tsgetDirectEurPrice()before rule chain ingetAssetPrice()http.service.tsaktionariat.commock responseEUR pricing consistency
Previously, the EUR price for REALU was derived via CHF → EUR market exchange rates (Fixer/Kraken). Now the Aktionariat API provides
priceInEURdirectly, which is used consistently:GET /realunit/price— viaPricingService→getDirectEurPrice()TransactionHelper→PricingService→getDirectEurPrice()TransactionHelper→PricingService→getDirectEurPrice()Test plan
npm run buildcompiles without new errorsGET /realunit/pricereturns CHF (from API), EUR (from API), USD (from rule chain)GET /realunit/brokerbot/infoshowsavailableSharesandbuyingEnabledderived from share countGET /realunit/brokerbot/buyPrice?shares=10returnstotalPrice = pricePerShare * 10GET /realunit/brokerbot/shares?amount=100returnsshares = floor(100 / pricePerShare)/realunit/price/realunit/price