Fix and modernize lightning-invoice API#1057

Merged

TheBlueMatt merged 9 commits intolightningdevkit:mainfrom

TheBlueMatt:2021-08-invoice-fails

Aug 31, 2021

Commits on Aug 22, 2021

[invoice] Update doctest example invoices to real LDK invoices
TheBlueMatt
committed

Commits on Aug 31, 2021

[invoice] Add the BOLT 11 failure unit tests that we already pass
TheBlueMatt
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[invoice] Fix non-recoverable sig handling and bogus SI prefix err
TheBlueMatt
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Convert the invoice creation API to millisats and req it for parse
TheBlueMatt
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Check if invoices contain unknown required features
TheBlueMatt
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Implement core::hash::Hash more incl invoice::RawTaggedField
TheBlueMatt
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[invoice] Ignore InvalidLength fields
TheBlueMatt
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Use new BOLT 11 test vectors with payment_secrets and feature flags
TheBlueMatt
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Require payment secrets when building and reading invoices
TheBlueMatt
committed