EIP-712 Cosmos signing — Option 2 (companion to chain replace patch)#206

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feat/eip712-option2-replace-patch

Commits on May 6, 2026

sdk: EIP-712 typed-data builder for Cosmos EVM signed Cosmos txs

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sdk: mirror requestId on extracted ChallengeParams interface

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sdk: end-to-end EIP-712 sign-and-broadcast — adapter + signing client

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sdk: barrel-export transactions/messages/utils so createProtoMsg is public

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sdk: amino JSON parity — prune omitempty defaults + coerce Uint zeros

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sdk: dynamic Uint-field detection via getNumberFieldNames walk

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sdk: derive Uint/Dec customtype field sets from .proto sources at build time

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