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[WIP] Schnorr/Taproot/Tapscript #758

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[WIP] Schnorr/Taproot/Tapscript #758

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Commits on Dec 11, 2019

  1. Add phpecc backed Schnorr implementation

    @afk11
    Thomas Kerin authored and afk11 committed Dec 11, 2019
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  2. add ext-gmp as requirement to composer.json

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    afk11 committed Dec 11, 2019
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  3. EcAdapter: Add interfaces for Schnorr, and a secp256k1 backed impleme… 

    …ntation for our EcAdapter
    @afk11
    afk11 committed Dec 11, 2019
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  4. TaprootHasher: Implement taproot transaction digest

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    afk11 committed Dec 11, 2019
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  5. Add schnorr signature verification methods to Checker

    @afk11
    afk11 committed Dec 11, 2019
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  6. OutputScriptFactory: add method for taproot output scripts

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    afk11 committed Dec 11, 2019
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  7. XOnlyPublicKey: add constructor arg hasSquareY, returned during xonly… 

    …_pubkey_from_pubkey
    @afk11
    afk11 committed Dec 11, 2019
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  8. Implement PublicKey::asXOnlyPublicKey

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    afk11 committed Dec 11, 2019
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  9. Rewrite SchnorrSigner and implement missing Serializers

    @afk11
    afk11 committed Dec 11, 2019
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  10. Add PrecomputedData for signatures, and refactor TaprootHasher in ter… 

    …ms thereof
    @afk11
    afk11 committed Dec 11, 2019
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  11. Taproot program validation. Excludes tapscript.

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    afk11 committed Dec 11, 2019
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  12. Extract executeWitnessProgram as fallthrough is overwhelming, and now… 

    … conditional (taproot-keypath-spend)
    @afk11
    afk11 committed Dec 11, 2019
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  13. TaprootHasher: tapscript modifications

    @afk11
    afk11 committed Dec 11, 2019
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  14. Taproot script validation step 2: tapscript validation succeeds if OP… 

    …_SUCCESSx present
    @afk11
    afk11 committed Dec 11, 2019
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  15. Taproot script validation step 3: no max script length for tapscript

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    afk11 committed Dec 11, 2019
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  16. Taproot script validation step 3: initial stack is restricted to MAX_… 

    …STACK_SIZE
    @afk11
    afk11 committed Dec 11, 2019
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  17. Taproot script validation step 3: non-push opcode limit removed for t… 

    …apscript
    @afk11
    afk11 committed Dec 11, 2019
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  18. witness limit initial stack size

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    afk11 committed Dec 11, 2019
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  19. extract evalChecksig method and fix checkPayToContract in both EcAdap… 

    …ter implementations
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    afk11 committed Dec 11, 2019
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  20. validation weigh left: should include offset when initialized

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    afk11 committed Dec 11, 2019
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  21. tapscript execution: multisig opcodes disabled

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    afk11 committed Dec 11, 2019
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  22. tapscript execution: require MINIMALIF in tapscript

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    afk11 committed Dec 11, 2019
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  23. tapscript: implement OP_CHECKSIGADD

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    afk11 committed Dec 11, 2019
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  24. tapscript: update execContext with code sep opcode position

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    afk11 committed Dec 11, 2019
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  25. Move taproot constants to Interpreter namespace, not on Interpreter c… 

    …lass
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    afk11 committed Dec 11, 2019
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  26. TaprootConstructTest: test taprootConstruct with various tree structures

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    afk11 committed Dec 11, 2019
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  27. wip & bug: ExecutionContext had a logic error

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    afk11 committed Dec 11, 2019
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  28. add TaprootTest file that was forgotten

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    afk11 committed Dec 11, 2019
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  29. travis: use schnorr version of secp256k1 / schnorrsig

    @afk11
    afk11 committed Dec 11, 2019
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