Code

ZIP212 implementation#258

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daira merged 31 commits intozcash:masterzcash/librustzcash:masterfrom therealyingtong:zip212-esk-plaintext-impltherealyingtong/librustzcash:zip212-esk-plaintext-implCopy head branch name to clipboardAug 12, 2020

+909-433

Commits

Commits on Jul 31, 2020

• Pass height to methods which encrypt or decrypt Sapling outputs

  therealyingtong

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  b537f0f

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• Add enum Rseed<E::Fs> to Note struct

  therealyingtong

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• Pass esk to SaplingNoteEncryption::new and add generate_or_derive_esk()

  therealyingtong

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• Implement plaintext_version_is_valid()

  therealyingtong

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• Fix tests

  therealyingtong

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  895e251

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• Check derived esk against claimed epk when decrypting note

  therealyingtong

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Commits on Aug 3, 2020

• Add activation heights as consts in consensus::Parameters

  therealyingtong

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  eba542c

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• Add invalid version byte tests for ZIP212

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Commits on Aug 4, 2020

• Pass rseed to Prover

  therealyingtong

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• Pass height to decrypt_transaction()

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Commits on Aug 5, 2020

• Revert passing Parameters to methods

  therealyingtong

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  a25348d

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• Switch plaintext version on height in commit_to_address() in zcash_client_sqlite

  therealyingtong

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• Switch plaintext version on height for dummy outputs in Builder

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  a3ae1b2

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• Refactor contextual random rseed generation into util method in zcash_primitives

  therealyingtong

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• Minor changes in note_encryption.rs

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• Only query last_height when needed in decrypt_and_store_transaction()

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Commits on Aug 6, 2020

• Remove network cfg from zcash_client_backend and zcash_primitives

  therealyingtong

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• Add <P: consensus::Parameters> type parameter to Builder struct

  therealyingtong

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• Fix database queries in scan.rs and transact.rs

  therealyingtong

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• Hard-code NetworkUpgrade::Canopy in generate_random_rseed

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• Remove const activation heights from consensus.rs

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• Revert SaplingNoteEncryption::new() API to take rng instead of esk

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• Switch on leadbyte instead of tx height when decrypting outputs

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• Document pub enum Rseed<Fs> with link to ZIP 212

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• Refactor leadbyte_array in note_encryption tests

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  str4d

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• Fix parsing of rseed in parse_note_plaintext_without_memo() and try_sapling_output_recovery()

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  str4d

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  0f8f1b3

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• Use <P: consensus::Parameters> type for Builder impl

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• Extract derive_esk() into separate function

  therealyingtong

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• Add esk check in parse_note_plaintext_without_memo() and try_sapling_output_recovery()

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• Avoid using unwrap() when calling derive_esk()

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  daira

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Commits on Aug 7, 2020

• Minor refactor of enumeration in tests in note_encryption.rs

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