Files
bitcoin/src
Ava Chow 9ec1ae0e98 Merge bitcoin/bitcoin#34437: rpc: uptime should begin on application start
e67a676df9 fix: uptime RPC returns 0 on first call (Lőrinc)

Pull request description:

  ### Problem
  #34328 switched uptime to use monotonic time, but `g_startup_time` was a function-local static in `GetUptime()`, meaning it was initialized on first call rather than at program start.
  This caused the first uptime RPC to always return 0.

  ### Fix
  Move `g_startup_time` to namespace scope so it initializes at program start, ensuring the first `uptime()` call returns actual elapsed time.

  ### Reproducer

  Revert the fix and run the test or alternatively:

  ```bash
  cmake -B build && cmake --build build --target bitcoind bitcoin-cli -j$(nproc)
  ./build/bin/bitcoind -regtest -daemon
  sleep 10
  ./build/bin/bitcoin-cli -regtest uptime
  ./build/bin/bitcoin-cli -regtest stop
  ```

  <details>
  <summary>Before (uptime is initialized on first call)</summary>

  ```bash
  Bitcoin Core starting
  0
  Bitcoin Core stopping
  ```

  </details>

  <details>
  <summary>After (first uptime call is in-line with sleep)</summary>

  ```bash
  Bitcoin Core starting
  10
  Bitcoin Core stopping
  ```
  </details>

  ----

  Fixes #34423, added reporter as coauthor.

ACKs for top commit:
  maflcko:
    lgtm ACK e67a676df9
  optout21:
    crACK e67a676df9
  carloantinarella:
    Tested ACK e67a676df9
  achow101:
    ACK e67a676df9
  musaHaruna:
    Tested ACK [e67a676](e67a676df9)

Tree-SHA512: b156f7ed15c3fbb50e8a15f6c9a0d4e2ffb956d0c6ef949e0f8a661a564a20c0d3ed2149fae75ce7e2baa9326788d5037e726e7a7ac2c6ef4e70e4862cd5763f
2026-02-05 17:02:37 -08:00
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2026-01-22 10:35:14 -05:00
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