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feat(trader): claim SuiNS subname usernames - #101
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What
Lets a trader claim a username by minting a subname of the firm-owned SuiNS domain (
<label>.ultraprop.sui) to their wallet as an NFT. They type a label, we check availability live against the SuiNS registry, and on claim the firm admin signs + pays to mint the subname and transfer it to the user. The minted name becomes their profile name across the app (header + leaderboard), replacing the generated handle (rabbit_mx). Users can re-claim a different label later; the prior NFT just stays in their wallet.How it works
SuinsClient.getNameRecord("<label>.ultraprop.sui"); anotExistsregistry read means the name is free. Reads go through a JSON-RPC client (the gRPC client throws on missing dynamic fields).SuinsTransaction.createSubName→setTargetAddress(user)→ transfer the NFT to the user, signed by the firm admin key via the existinggetGrpcClient().signAndExecuteTransactionpath (so the firm pays gas; the user provides nothing on-chain). The NFT id is read back from the registry, never assumed.NEXT_PUBLIC_SUINS_PARENT_NAMEis set on a SuiNS-supported network (mainnet/testnet).Changes
@mysten/sui→^2.20.1(suins peer floor); add@mysten/suins@^1.2.3.subname_nft_idcolumn onaccounts(migration0002);setUsername/getUsername; leaderboard already servesdisplay_name.lib/sui/suins.ts(validate / availability /mintUsernameSubname);POST /api/account/username(mint) +GET(read) +GET /availability.useUsername/useUsernameAvailability/useClaimUsername; reworkedUsernameSetting(debounced availability, claimed-state card with NFT verify link, re-claim flow); profile overlay + gate.NEXT_PUBLIC_SUINS_PARENT_NAME+isUsernameClaimingEnabled().Verification
pnpm typecheck, biome lint, and the 6 db tests pass.gifted.ultraprop.sui→ available; short/invalid → validation). The UI states (idle, checking, available, claimed-with-NFT) were visually verified.Deploy checklist
DATABASE_URLset:pnpm --filter @shared/db db:migrateNEXT_PUBLIC_SUINS_PARENT_NAME=ultraprop.suiin the runtime env (Vercel + local.env.local)SUI_ADMIN_SECRET_KEY) ownsultraprop.suiand holds gas SUINotes
ultraprop.suito be owned by the firm admin wallet (already registered on testnet). Until the env var is set the feature stays hidden and the API returns a clean "not available yet".