Support eth account subsidy

[Neopallium]

changelog

new features

• Support ETH wallets in the Subsidizer (Relayer pallet).
• Support ETH wallets as MultiSig signers.
• ETH wallets accepting authorizations (like Identity.join_identity_as_key, MultiSig.accept_multisig_signer, etc..) do not pay the tx fee. Just like Substrate keys the authorization creator pays the fees.

other

• DidRegistrars (formally CDDProviders) can not use transaction tipping. Only GC members are allowed to using tipping.

[Copilot]

Pull request overview

Adds Ethereum-account support to Polymesh fee subsidization and MultiSig flows by routing ETH-originated calls through pallet_revive, extending transaction-payment/subsidy accounting to include pre-charged storage deposits, and tightening operational tipping permissions (GC-only).

Changes:

• Extend ChargeTransactionPayment to account for (ETH) pre-charged storage deposits when reserving/settling subsidy usage.
• Update runtime call routing / filtering to handle nested Revive::eth_substrate_call and add ETH extrinsic conversion logic.
• Update tests (runtime + integration) to cover ETH wallet subsidy usage and ETH MultiSig signer behavior; remove DID-registrar tipping support.

Reviewed changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pallets/transaction-payment/src/lib.rs	Track storage deposit alongside fee/tip for subsidy reserve/settlement and remove DID-registrar-based tipping.
pallets/transaction-payment/src/benchmarking.rs	Update bounds to account for new credit/imbalance types.
pallets/transaction-payment/Cargo.toml	Dependency formatting + add log.
pallets/runtime/tests/src/transaction_payment_test.rs	Adjust tipping tests to GC-only behavior.
pallets/runtime/tests/src/signed_extra.rs	Add GC membership genesis setup for tipping rules in tests.
pallets/runtime/common/src/runtime.rs	Handle nested Revive::eth_substrate_call, call filtering, and ETH extrinsic decoding/fee+storage precharge plumbing.
pallets/permissions/Cargo.toml	Dependency formatting + add log.
integration/tests/relayer.rs	Add coverage for subsidized calls and ETH wallet subsidy flow.
integration/tests/multisig_permissions.rs	Add integration test verifying ETH wallet can act as a MultiSig signer via pallet_revive interface.
Cargo.lock	Lockfile updates for dependency revisions.

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