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WIP: p2tr_ns#6

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Commits on Jan 12, 2022

• chore: add bn.js to dependencies (previously it was present in devDependencies)

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• feat: add liftX() function (first version)

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• feat: update the Payment interface with taproot specific fields

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• feat: add first version of p2tr; basic logic for key path construct/spend

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• test: add first tests for p2tr

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• feat: add generated files

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• feat: compute "taproot output key" when "taoroot internal key" is known and script path is not used

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• tests: improve test coverage

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• feat: add function `computeMastRoot()`

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• feat: compute p2tr hash based on the script tree

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• feat: add scriptsTree field to Payment interface; export p2tr

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• feat: convert `scriptsTree` output to Buffer

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• tests: add tests for script tree

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• feat: add simple type for TaprootLeaf and TaprootNode

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• feat: check for hash mismatch between the input hash and the computed hash from the taproot tree

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• feat: validate witness data (partial)

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• refactor: split `computeTweakFromScriptPath()` into `rootHash()` and `leafHash()``

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• feat: compute hash from witness control-block

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• refactor: extract taproot related logic to taproot.ts file

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• chore: code format and lint

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• refactor: compare GROUP_ORDER as buffer (instead of using BN.js)

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• refactor: rename `rootHash` to `rootHashFromPath` and `computeMastRoot` to `rootHashFromTree`

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• tests: add bib341 tests by @sipa; plus refactoring

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• refactor: extract `tapBranchHash()` rename `leafHash()` to `tapBranchHash()`

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• feat: build control-block as part of witness; update tests

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• chore: lint & format; fix: discovered bug in findScriptPath() after lint

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• chore: code clean-up; fix o.scriptLeaf (needs tests)

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• chore: update taggedHash() prefix after rebase

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• fix: rebase issues

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Commits on Jan 13, 2022

• chore: remove the bn.js dependency

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• refactor: use injectable ecc lib

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• chore: code format

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• refactor: move taproot utils file

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• refactor: move non-exported function to the bottom

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• fix: lint & gitdiff issues

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• chore: removed un-used exports

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• chore: add docs, simplify code

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Commits on Jan 14, 2022

• feat: pass the ECC library as an optional parameter to p2tr

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Commits on Jan 18, 2022

• refactor: move eccLib to PaymentOptions

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Commits on Jan 20, 2022

• fix: remove `TinySecp256k1Interface` from `PaymentCreator`

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• chore: keep ecc test vectors to a minimum

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Commits on Jan 27, 2022

• fix: taproot signature is 64 bytes

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• feat: add Key Spend support for taproot to PSBT (more in commit description)

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• chore: version bump

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Commits on Jan 28, 2022

• feat: extract `tiny-secp256k1` out of the Psbt module

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Commits on Feb 10, 2022

• chore: take the garbage out. Remove `tweakSigner()` and ecpair dep from PSBT

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Commits on Feb 18, 2022

• feat: add taproot check for signInputAsync()

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• feat: add stricter validation for taproot addresses

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• fix: fix integration test

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Commits on Feb 22, 2022

• Merge pull request #2 from bitcoincoretech/p2tr-v1-addr-check

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• feat: correctly identify P2TR (pass `eccLib` to `toOutputScript` and `fromOutputScript`)

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Commits on Mar 9, 2022

• add integration tests for taproot (#3)

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• refactor: move tapscript finalizer check; add unit test

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• fix: fix integration test

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• fix: revert package lock version upgrade

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• refactor: change code to original version

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• fix: make `FinalScriptsFunc` backwards compatible by moving `isTapscript` param to the end

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Commits on Mar 10, 2022

• fix: tap tree branch sorting; improve unit test

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Commits on Mar 18, 2022

• refactor: add Taptree interface

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• refactor: rename `testecc` to `verifyecc` (avoid confusing it with unit tests)

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Commits on Mar 25, 2022

• Declare tapscript version mask like the BIP

  

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• Correct Taptree type

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• Consistent capitalization of tapleaf

  

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• Don't use constants for tag prefixes

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• Simplify HashTree processing, remove footgun

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• Support p2tr with 1 script and no tree

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• Remove unnecessary arrays of values

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• Improve tapleah hash parameter name

  

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• Fix indentation

  

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• Add validation for redeem in scriptTree

  

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• Improve comments and code clarity

  

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Commits on Mar 28, 2022

• refactor: add explicit initialisation of the ecc library (#5)

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Commits on Mar 31, 2022

• WIP: p2tr_ns

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• Have scriptSigFinalizer order sigs properly

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