sdk: EIP-712 typed-data builder for Cosmos EVM signed Cosmos txs#204

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feat/eip712-typed-data

Commits on May 5, 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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Commits on May 6, 2026

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: mirror go-ethereum's empty-type encodeType quirk

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sdk: revert empty-type encodeType "fix" — match eth-sig-util / MetaMask

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sdk: regenerate protos with nullable=true on nested struct fields

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sdk: drop effectively-empty proto sub-messages before wire+amino encoding

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sdk: regen protos to mirror chain gamm/poolmanager nullable=true sweep
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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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