Cranker SDK — Submit authorized TSN work - TSN

@trustlink/tsn-cranker-sdk provides operator-side setup helpers and the tsn-cranker CLI. A Cranker submits only the authorized transaction; it does not decide route policy or create payment authorization.

Public setup helpers

The CLI delegates to these exported functions from @trustlink/tsn-sdk/blockchain/solana-tsn:

Function	Purpose	Return
`tsnInitializeMotherEscrowOnChain`	Initialize Mother escrow state.	Source-defined transaction/result object.
`tsnMigrateMotherEscrowOnChain`	Migrate an invalid or old Mother layout.	Source-defined transaction/result object.
`tsnRegisterCrankerOnChain`	Register the operator as a Cranker.	Source-defined transaction/result object.
`tsnSetCrankerFundingPolicyOnChain`	Set whether external Cranker funding is allowed.	Source-defined transaction/result object.
`tsnInitializeCrankerVaultOnChain`	Initialize a token vault for a Cranker.	Source-defined transaction/result object.
`tsnFundCrankerOnChain`	Fund a Cranker’s token vault.	Source-defined transaction/result object.
`tsnWithdrawCrankerFundsOnChain`	Withdraw Cranker vault funds.	Source-defined transaction/result object.

TODO: confirm each helper’s generated return type from blockchain/solana-tsn.ts before documenting field-level response entries.

Direct TypeScript use

import { tsnRegisterCrankerOnChain } from "@trustlink/tsn-sdk/blockchain/solana-tsn";

const result = await tsnRegisterCrankerOnChain({
  operator,
  rpcUrl: process.env.TSN_RPC_GATEWAY_URL,
  secretKey: process.env.SOLANA_ESCROW_AUTHORITY_SECRET_KEY,
});
console.log(result);

The command requires a local Solana keypair and uses TSN_RPC_GATEWAY_URL when configured by resolveSolanaRpcUrl. Source: cli.ts:1-188, index.ts, solana-tsn.ts