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Price Oracle (XLS-47d): (#4789) (#4789)

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Implement native support for Price Oracles.

 A Price Oracle is used to bring real-world data, such as market prices,
 onto the blockchain, enabling dApps to access and utilize information
 that resides outside the blockchain.

 Add Price Oracle functionality:
 - OracleSet: create or update the Oracle object
 - OracleDelete: delete the Oracle object

 To support this functionality add:
 - New RPC method, `get_aggregate_price`, to calculate aggregate price for a token pair of the specified oracles
 - `ltOracle` object

 The `ltOracle` object maintains:
 - Oracle Owner's account
 - Oracle's metadata
 - Up to ten token pairs with the scaled price
 - The last update time the token pairs were updated

 Add Oracle unit-tests
This commit is contained in:
Gregory Tsipenyuk
2024-02-26 06:28:26 -05:00
committed by GitHub
parent d7d15a922a
commit e718378bdb
40 changed files with 2865 additions and 7 deletions
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7
Builds/CMake/RippledCore.cmake
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@@ -98,6 +98,7 @@ target_sources (xrpl_core PRIVATE
src/ripple/protocol/impl/STArray.cpp
src/ripple/protocol/impl/STBase.cpp
src/ripple/protocol/impl/STBlob.cpp
src/ripple/protocol/impl/STCurrency.cpp
src/ripple/protocol/impl/STInteger.cpp
src/ripple/protocol/impl/STLedgerEntry.cpp
src/ripple/protocol/impl/STObject.cpp
@@ -553,6 +554,7 @@ target_sources (rippled PRIVATE
src/ripple/app/tx/impl/CreateOffer.cpp
src/ripple/app/tx/impl/CreateTicket.cpp
src/ripple/app/tx/impl/DeleteAccount.cpp
src/ripple/app/tx/impl/DeleteOracle.cpp
src/ripple/app/tx/impl/DepositPreauth.cpp
src/ripple/app/tx/impl/DID.cpp
src/ripple/app/tx/impl/Escrow.cpp
@@ -566,6 +568,7 @@ target_sources (rippled PRIVATE
src/ripple/app/tx/impl/PayChan.cpp
src/ripple/app/tx/impl/Payment.cpp
src/ripple/app/tx/impl/SetAccount.cpp
src/ripple/app/tx/impl/SetOracle.cpp
src/ripple/app/tx/impl/SetRegularKey.cpp
src/ripple/app/tx/impl/SetSignerList.cpp
src/ripple/app/tx/impl/SetTrust.cpp
@@ -721,6 +724,7 @@ target_sources (rippled PRIVATE
src/ripple/rpc/handlers/FetchInfo.cpp
src/ripple/rpc/handlers/GatewayBalances.cpp
src/ripple/rpc/handlers/GetCounts.cpp
src/ripple/rpc/handlers/GetAggregatePrice.cpp
src/ripple/rpc/handlers/LedgerAccept.cpp
src/ripple/rpc/handlers/LedgerCleanerHandler.cpp
src/ripple/rpc/handlers/LedgerClosed.cpp
@@ -840,6 +844,7 @@ if (tests)
src/test/app/NFTokenDir_test.cpp
src/test/app/OfferStream_test.cpp
src/test/app/Offer_test.cpp
src/test/app/Oracle_test.cpp
src/test/app/OversizeMeta_test.cpp
src/test/app/Path_test.cpp
src/test/app/PayChan_test.cpp
@@ -964,6 +969,7 @@ if (tests)
src/test/jtx/impl/AMMTest.cpp
src/test/jtx/impl/Env.cpp
src/test/jtx/impl/JSONRPCClient.cpp
src/test/jtx/impl/Oracle.cpp
src/test/jtx/impl/TestHelpers.cpp
src/test/jtx/impl/WSClient.cpp
src/test/jtx/impl/acctdelete.cpp
@@ -1089,6 +1095,7 @@ if (tests)
src/test/rpc/DeliveredAmount_test.cpp
src/test/rpc/Feature_test.cpp
src/test/rpc/GatewayBalances_test.cpp
src/test/rpc/GetAggregatePrice_test.cpp
src/test/rpc/GetCounts_test.cpp
src/test/rpc/JSONRPC_test.cpp
src/test/rpc/KeyGeneration_test.cpp