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program-test: Fix getting new blockhash post-warp (#20710)

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This commit is contained in:
Jon Cinque
2021-10-15 14:58:09 +02:00
committed by GitHub
parent 4ec65b6531
commit 0419e6c22e
3 changed files with 39 additions and 7 deletions
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8
program-test/src/lib.rs
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@ -1038,7 +1038,7 @@ impl ProgramTestContext {
bank_forks.set_root(
pre_warp_slot,
&solana_runtime::accounts_background_service::AbsRequestSender::default(),
Some(warp_slot),
Some(pre_warp_slot),
);
// warp bank is frozen, so go forward one slot from it
@ -1051,7 +1051,11 @@ impl ProgramTestContext {
// Update block commitment cache, otherwise banks server will poll at
// the wrong slot
let mut w_block_commitment_cache = self.block_commitment_cache.write().unwrap();
w_block_commitment_cache.set_all_slots(pre_warp_slot, warp_slot);
// HACK: The root set here should be `pre_warp_slot`, but since we're
// in a testing environment, the root bank never updates after a warp.
// The ticking thread only updates the working bank, and never the root
// bank.
w_block_commitment_cache.set_all_slots(warp_slot, warp_slot);
let bank = bank_forks.working_bank();
self.last_blockhash = bank.last_blockhash();