26504157642
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Ran 27 May 2026 09:59AM UTC

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Build # 26504157642

Build Type

push

github

Committed by

web-flow

Commit Message

[sidecar] Fix empty ledger newest delivery seek (#601)

#### Type of change

- Bug fix

#### Description

When SeekPosition_Newest is used on an empty ledger (height=0),
FileLedger.Iterator(Newest) computes Height()-1, underflowing to
math.MaxUint64. Similarly, Stop=Newest computes height-1, also
underflowing. Additionally, for BLOCK_UNTIL_READY behavior, the cursor
was created before waiting for block zero, which could fail on
FileLedger since the block-zero index does not exist yet.

- Move WaitForCondition (height > 0) before cursor creation for
BLOCK_UNTIL_READY
- In getCursor, replace Start=Newest with Specified{Number:0} when
height is 0
- Guard Stop=Newest against zero height, returning 0 instead of height-1

#### Related issues

 - resolves #600

---------

Signed-off-by: Senthilnathan <cendhu@gmail.com>

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