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Horizon v0.17.0
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@bartekn bartekn released this 26 Feb 19:59
horizon-v0.17.0
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Critical!

This release contains a critical bug! Please upgrade directly to 0.17.2.

Upgrade notes

This release introduces ingestion of failed transactions. This feature is turned off by default. To turn it on set environment variable: INGEST_FAILED_TRANSACTIONS=true or CLI param: --ingest-failed-transactions=true. Please note that ingesting failed transactions can double DB space requirements (especially important for full history deployments).

Database migration notes

Previous versions work fine with new schema so you can migrate (horizon db migrate up using new binary) database without stopping the Horizon process. To reingest ledgers run horizon db reingest using Horizon 0.17.0 binary. You can take advantage of the new horizon db reingest range for parallel reingestion.

Deprecations

  • /operation_fee_stats is deprecated in favour of /fee_stats. Will be removed in v0.18.0.

Breaking changes

  • Fields removed in this version:
    • Root > protocol_version, use current_protocol_version and core_supported_protocol_version.
    • Ledger > transaction_count, use successful_transaction_count and failed_transaction_count.
    • Signer > public_key, use key.
  • This Horizon version no longer supports Core <10.0.0. Horizon can still ingest version <10 ledgers.
  • Error event name during streaming changed to error to follow W3C specification.

Changes

  • Added ingestion of failed transactions (see Upgrade notes). Use include_failed=true GET parameter to display failed transactions, operations and payments in collection endpoints. Single transaction endpoints (/transactions/{id}, /transactions/{id}/operations and /transactions/{id}/payments) display information even if a transaction is failed so it's important to check successful and transaction_successful fields.
  • /fee_stats endpoint has been extended with fee percentiles and ledger capacity usage. Both are useful in transaction fee estimations.
  • Fixed a bug causing slice bounds out of range at /account/{id}/offers endpoint during streaming.
  • Added horizon db reingest range X Y that reingests ledgers between X and Y sequence number (closed intervals).
  • Many code improvements.
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