Faucet: switch to Gateway gRPC ExecutionService + add API key#167
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The Gateway gRPC API now exposes ExecutionService.SubmitTransaction, which is the auth-scoped equivalent of AdminAPI's custom-transaction. StationAPI's FaucetService now goes through the same gRPC channel as quotes/orders, picking up the X-Train-API-Key header automatically via ApiKeyClientInterceptor. Drops the AdminApiUrl config field and the solver-admin HttpClient. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
PurpleTheBest
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Summary
ExecutionService.SubmitTransactioninstead of the AdminAPI's HTTPcustom-transactionendpointX-Train-API-Keyheader is attached automatically byApiKeyClientInterceptor(PR Add scoped API key auth for Gateway gRPC #166)SolverConfig.AdminApiUrland thesolver-adminHttpClient — no longer neededapiKeyinstation-config.jsonso outgoing gRPC calls authenticateNotes
ExecutionService.SubmitTransactionrequires thewallet.execute:<minter>scope (orwallet.execute:*) on the API keyExecutionGrpcServicealso enforces a testnet/mainnet match viaRequireMatchingEnv, so the test key (tsk_test_*) only works against testnet networks — fine for our faucet use casestation-config.json'sfaucetblock;solverNetworkIdentifieris still passed asnetwork_slugto the solver🤖 Generated with Claude Code