Disallow duplicate *mutable* accounts by default#3946
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jacobcreech merged 46 commits intosolana-foundation:masterfrom Dec 9, 2025
Merged
Disallow duplicate *mutable* accounts by default#3946jacobcreech merged 46 commits intosolana-foundation:masterfrom
jacobcreech merged 46 commits intosolana-foundation:masterfrom
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jamie-osec
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…_accounts` to prevent validation bypass.
…ccount validation
jacobcreech
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Dec 9, 2025
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Jan 28, 2026
…ly types that serialize on exit (solana-foundation#3946)
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Feb 12, 2026
…ly types that serialize on exit (solana-foundation#3946)
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Feb 12, 2026
* lang: Update duplicate mutable account validation logic to include only types that serialize on exit (#3946) * lang: Update documentation for `dup` constraint * chore: Fix PR link * lang: Update duplicate mutable account constraint to include `Migration` type * lang: Allow duplicates in remaining accounts * fix: use strict AnchorError assertion in nested duplicate test * lang: Introduce `DuplicateMutableAccountKeys` trait for composite account validation
Otter-0x4ka5h
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Mar 25, 2026
…tion#3946) * feat: Add duplicate mutable account constraint * feat: tests for duplicate mutable accounts * feat: add test for duplicate mutable accounts in workflow * style(tests): prettier * chore: update benchmarks * feat: exclude UncheckedAccounts from duplicate mutable account checks * feat(tests): add duplicate-mutable-accounts to test scripts * feat: enhance duplicate mutable account checks for optional fields * chore(bench): update * fix: update program IDs * feat: allow duplicate accounts in realloc2 ix * chore(bench): update * chore(bench): update * feat(tests): allow duplicate accounts in misc tests * fix(bench):update * fix: update program ID for duplicate mutable accounts * fix: update program ID * fix(bench): update * chore(docs): Updated docs and CHANGELOG.md * refactor: ignore init accounts * fix(bench): update * chore: formating * refactor: optimize duplicate mutable checks generation * refactor: replace BTreeSet with HashSet * (chore): Update benchmarks * test(events): use confirmOptions for transaction handling * chore: Update CHANGELOG.md * feat(lang): Added checks for duplicate mutable accounts in `remaining_accounts` to prevent validation bypass. * feat(tests): Add nested duplicate account test to prevent mutable account conflicts * chore(bench): Update benchmarks * fix(lang): Exclude Signer accounts from duplicate mutable checks in account validation * feat(tests): Add test to initialize multiple accounts with the same payer * chore(bench): Update * fix: package.json * refactor: remove unused confirmOptions from event tests * chore: update benchmarks * chore: update benchmarks * Update benchmarks * chore: Update benchmarks
Otter-0x4ka5h
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Mar 25, 2026
…ana-foundation#4202) * lang: Update duplicate mutable account validation logic to include only types that serialize on exit (solana-foundation#3946) * lang: Update documentation for `dup` constraint * chore: Fix PR link * lang: Update duplicate mutable account constraint to include `Migration` type * lang: Allow duplicates in remaining accounts * fix: use strict AnchorError assertion in nested duplicate test * lang: Introduce `DuplicateMutableAccountKeys` trait for composite account validation
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Fixes #3825