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Documentation Index

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Daml script tests showing that the token standard can be used to execute DvP settlements of Amulet tokens; and how to do so. See this test and the ‘Splice.Testing.TradingApp’ module for an example of how to integrate with the allocation APIs of the token standard to execute DvP settlements. Note also that the delivery part of a DvP settelement can be both another token implementing the standard, as well as the creation of on-ledger state specific to your registry; e.g., a license contract.

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Data Types

data AllocatedOTCTrade
AllocatedOTCTrade
FieldTypeDescription
aliceParty
bobParty
providerParty
providerBeneficiary1Party
providerBeneficiary2Party
providerBeneficiaries[(Party, Decimal)]
registryAmuletRegistry
otcTradeCidContractId OTCTrade
otcTradeOTCTrade
amuletIdInstrumentId
instance Eq AllocatedOTCTrade instance Show AllocatedOTCTrade instance GetField “alice” AllocatedOTCTrade Party instance GetField “amuletId” AllocatedOTCTrade InstrumentId instance GetField “bob” AllocatedOTCTrade Party instance GetField “otcTrade” AllocatedOTCTrade OTCTrade instance GetField “otcTradeCid” AllocatedOTCTrade (ContractId OTCTrade) instance GetField “provider” AllocatedOTCTrade Party instance GetField “providerBeneficiaries” AllocatedOTCTrade [(Party, Decimal)] instance GetField “providerBeneficiary1” AllocatedOTCTrade Party instance GetField “providerBeneficiary2” AllocatedOTCTrade Party instance GetField “registry” AllocatedOTCTrade AmuletRegistry instance SetField “alice” AllocatedOTCTrade Party instance SetField “amuletId” AllocatedOTCTrade InstrumentId instance SetField “bob” AllocatedOTCTrade Party instance SetField “otcTrade” AllocatedOTCTrade OTCTrade instance SetField “otcTradeCid” AllocatedOTCTrade (ContractId OTCTrade) instance SetField “provider” AllocatedOTCTrade Party instance SetField “providerBeneficiaries” AllocatedOTCTrade [(Party, Decimal)] instance SetField “providerBeneficiary1” AllocatedOTCTrade Party instance SetField “providerBeneficiary2” AllocatedOTCTrade Party instance SetField “registry” AllocatedOTCTrade AmuletRegistry

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Functions

setupOtcTrade : Script AllocatedOTCTrade
testDvP : Script ()Test that a DvP settlement of an OTC trade works when using Amulet via the token standard.
appBackendListAllocations : Party -> Reference -> Script (TextMap (ContractId Allocation, AllocationView))List all allocations matching a particular settlement reference, sorted by their tradeLeg id. This function would be run on the trading app provider’s backend as part of an automation loop.
expectNoBurn : Metadata -> Script ()