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canton-network-docs/Release NotesWallet SDK

0.8.0

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0.8.0

Release on September 24th, 2025
  • Important!: The flow has been simplified for prepare and execute of commands, however this means code needs to be converted
// previous prepare and submit flow
const [tapCommand, disclosedContracts] = await sdk.tokenStandard!.createTap(
    sender!.partyId,
    '2000000',
    {
        instrumentId: 'Amulet',
        instrumentAdmin: instrumentAdminPartyId,
    }
)

await sdk.userLedger?.prepareSignAndExecuteTransaction(
    [{ ExerciseCommand: tapCommand }],
    keyPairSender.privateKey,
    v4(),
    disclosedContracts
)
in the new flow it is no longer needed to perform the array wrapping [{ ExerciseCommand: tapCommand }] and you can instead pass the tapCommand directly 
// new prepare and submit flow
const [tapCommand, disclosedContracts] = await sdk.tokenStandard!.createTap(
    sender!.partyId,
    '2000000',
    {
        instrumentId: 'Amulet',
        instrumentAdmin: instrumentAdminPartyId,
    }
)

await sdk.userLedger?.prepareSignAndExecuteTransaction(
    tapCommand,
    keyPairSender.privateKey,
    v4(),
    disclosedContracts
)
this goes for all transaction!
  • Support Withdrawal flow for 2-step transfer
it is now possible for sender to withdraw a 2-step transfer that have previously been send 
// Alice withdraws the transfer
const [withdrawTransferCommand, disclosedContracts] =
    await sdk.tokenStandard!.exerciseTransferInstructionChoice(
        transferCid!,
        'Withdraw'
    )
note: this does not work if the receiver have already perform Accept or Reject
  • Allow validating if receiver have set up transfer pre-approval before performing a transaction
//check if bob have set up transfer pre approval before sending
const transferPreApprovalStatus =
        await sdk.tokenStandard?.getTransferPreApprovalByParty(
            receiver!.partyId,
            'Amulet'
        )
    logger.info(transferPreApprovalStatus, '[BOB] transfer preapproval status')
  • Tested and verified against Splice 0.4.17
  • Fix endless loop bug when onboarding a party