Christian Mazakas 42182b8ee8 [Polkadot] [Wallet] add transfer_allow_death extrinsic signing (#33318)
Resolves brave/brave-browser#51481

This PR relocates some important constants so that they can be visible to the
KeyringService (for the sake of signing binary blogs using the appropriate
keyring for the account).

We also update the PolkadotKerying class to support deterministic RNG so
signatures are consistent.

We finally add an extrinsic signature task which asynchronously fetches all the
required data from the RPC nodes and then assembles the final blob of bytes.
Tests should cover the error paths for each potentially-failed RPC call.
2026-02-03 07:34:54 -08:00
2026-01-30 10:08:19 +00:00
2026-02-03 12:33:09 +00:00
2026-02-03 12:33:09 +00:00
2026-02-03 12:33:09 +00:00

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