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Documentation Index

Fetch the complete documentation index at: https://cantonfoundation-issue-365-details-history.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

The current production release of the Global Synchronizer software is Splice 0.5.9 running on Canton 3.4.7.

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Splice 0.5.9

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Scan

  • Added canton.scan-apps.scan-app.acs-store-descriptor-user-version and canton.scan-apps.scan-app.tx-log-store-descriptor-user-version configuration settings to set a user-version for the ACS and TxLog stores respectively. Modifying the user-version wipes the respective store and triggers re-ingestion.
  • Added a new external endpoint GET /v0/unclaimed-development-fund-coupons to retrieve all active unclaimed development fund coupon contracts.

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Daml

  • Implemented minting delegation as described in CIP-0073 — Weighted Validator Liveness Rewards for SV-Chosen Parties. New templates added in the splice-wallet package:
    • MintingDelegationProposal — a proposal from the beneficiary to the delegate to create a MintingDelegation
    • MintingDelegation — an active delegation granting the delegate authority to mint rewards on behalf of the beneficiary
Enabling this feature on all validators requires SVs to vote on wallet Daml version 0.1.16.

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Wallet

  • Added endpoint POST /v0/wallet/development-fund-coupons/allocate to allocate a development fund coupon for a given beneficiary, amount, expiration time, and reason.
  • Added endpoint GET /v0/wallet/development-fund-coupons to retrieve all active DevelopmentFundCoupon contracts, sorted by expiration date.
  • Added endpoint POST /v0/wallet/development-fund-coupons/{contract_id}/withdraw to withdraw a development fund coupon when the wallet user party is the development fund manager.
  • Minting delegation management added to the wallet UI.
  • Enhanced rewards collection automation to support collecting development fund coupons.

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Validator

  • Automation added to perform minting for hosted external parties if they have an active MintingDelegation contract with an internal party.

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Canton 3.4.7

This is a maintenance release that fixes an issue when replaying too many ACS changes during connection to a synchronizer.

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Compatibility

DependencyVersion
Canton protocol versions34
Java RuntimeOpenJDK 21
PostgreSQLRecommended: 17.6. Also tested: 14.19, 15.14, 16.10

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Upgrade notes

If you are upgrading from 0.5.7 or earlier, skip 0.5.7 and go directly to at least 0.5.8. Version 0.5.7 introduced a performance regression related to topology transaction processing that was fixed in 0.5.8.
Version 0.5.8 breaks backwards compatibility with migration dumps taken on 0.4.x versions. Deploy with migrating: false (Helm) or without -M (Docker Compose).
For the full upgrade procedure, see Upgrade Procedures.