feat: add support for arc27#194
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yasincaliskan
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Jul 17, 2026
…60Data with spec - signArc60Data now pre-validates payload.domain against the page origin on every transport (previously extension-only) and throws the new SIGN_DATA_DOMAIN_MISMATCH error before contacting the wallet - API signature now mirrors ARC-60's signData(signingData, metadata): metadata (scope + encoding) is a separate second argument instead of a field on the payload; the wire format is unchanged (still unified into a single object) - Breaking for signArc60Data callers; there are no live ARC-60 users Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Description
Implements support for ARC27 browser extension protocol and also adds an "experimental" flag (defaults to false) to enable it (and other future experimental features) so that we don't have to block the release of the lib.
Also fixes a bug with ARC0001 where signers was not being propagated correctly.
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