Suggestion for "[ZIP 248]: Define a forward-compatible, extensible transaction format. #1156"#1253

Draft

arya2 wants to merge 38 commits into

draft/extensible_tx_formatfrom

suggestion-extensible_tx_format

Commits on Apr 21, 2026

[ZIP 248]: Add motivation & notes for design of an extensible transaction format.
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[ZIP 248]: Fill in Privacy Implications section.
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[ZIP 248]: Add `BundleDescription`
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[ZIP 248]: Add bundle ID registry
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[ZIP 248]: Fix rst rendering
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[ZIP 248]: Render update to README.rst
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[ZIP 248]: Add consensus rules for transaction value balance.
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[ZIP 248]: Separate effecting data bundles from authorizing data bundles.
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[ZIP 248]: Add bundle format specifications for Transparent, Sapling, and Orchard.

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[ZIP 248]: Add digest algorithms for txid, signature, and auth commitment.

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[ZIP 248]: Add protocol bundles introduction and bundle type registration process.

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[ZIP 248]: Fix table rendering
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[ZIP 248]: Fold away rationale & potental future bundle types spec.
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[ZIP 248]: Address PR review comments.

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[ZIP 2002]: Propose to register ZIP 248 bundle type 4.

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[ZIP 233]: Propose to register ZIP 248 bundle type 5.

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[ZIP 231]: Propose to register ZIP 248 bundle types.

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[ZIP 227]: Propose to register a ZIP 248 bundle type for ZSA Issuance.

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[ZIP 226]: Register ZIP 248 bundle type.

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[ZIP 248]: Change bundle identifiers to (bundleType, bundleVersion) tuples.

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[ZIP 248]: Add wallet implications section; update ZIP 226 references.

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[ZIP 248]: Rename `bundleVersion` to `bundleVariant`
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[ZIP 248]: Specify `mValuePoolDeltas` encoding order.
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[ZIP 248]: Fix ordering constraint in signature hashing.
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[ZIP 248]: Address comments from code review.
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Add sighash versioning and associated data definitions for V6 transactions

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Remove references to ZIP 230 and ZIP 246

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[ZIP 248]: Add Parsing Rules section.

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[ZIP 248]: Restructure Consensus Rules into bundle-local and cross-bundle subsections.

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[ZIP 248]: Clarify anchorSapling handling at T.3.2c when nSpendsSapling = 0.

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[ZIP 248]: Pad ZTxIdEffBndHash and ZTxAuthBndHash personalizations to 16 characters.

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[ZIP 248]: Fix heading underline in Per-Signature Structures.

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[ZIP 248]: Fix typos and RST syntax.

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[ZIP 248]: Use MUST for conformance requirements in the Specification section.

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[ZIP 248]: Remove redundant normative constraints; cross-reference Parsing Rules.

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[ZIP 248]: Specify key comparison for mValuePoolDeltas ordering.

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[ZIP 248]: Define transparent bundle value pool delta computation.

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[ZIP 248]: Clarify structured digest approach for bundle type registration.

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