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P2tr psbt v1#1

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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 25, 2022

• chore: just bla bla

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• chore: some clean-up

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Commits on Jan 26, 2022

• test: fix unit test for signature validation

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• chore: more testing

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• chore code clean-up

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• test: add more tests

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Commits on Jan 27, 2022

• feat: add tweakSigner() to PSBT

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• test: add tweakSigner test

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• chore: code clean-up

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• chore: fix lint

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• feat: add logic for validate taproot input

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• chore: testing leftovers

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