feat: authorize() takes protocols[] array — accounts decides protocol via flag#146
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feat: authorize() takes protocols[] array — accounts decides protocol via flag#146
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Each account implementation picks the first protocol it supports from the array. ATXPAccount calls /authorize/auto — accounts resolves the protocol via feature flag server-side. Local accounts (Base, Solana, etc.) filter to their supported protocols. PaymentClient simplified — no more protocolFlag, accountsServer, or fetchFn. Just passes protocols[] through to account.authorize(). Protocol handlers pass single-element arrays (['x402'], ['mpp']) since they know what the server requires. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Remove PaymentClient class (was pure passthrough to account.authorize) - Keep buildPaymentHeaders in new paymentHeaders.ts - Fix amount.toString() crash: conditionally include fields in body - Make amount/destination optional in AuthorizeParams - Add response validation for /authorize/auto (protocol + credential) - Type supported arrays as PaymentProtocol[] (not string[]) - Remove deprecated accountsServer from handler configs - Guard against empty protocols array in all account implementations - Add 4 new error-path tests for malformed responses - Fix missing trailing newlines Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Changes
authorize()from taking a singleprotocolto aprotocols[]array. Each account picks the first protocol it supports. ATXPAccount calls/authorize/autoon accounts, which resolves the protocol via Redis feature flag server-side.Breaking change to
AuthorizeParams:protocol: PaymentProtocol→protocols: PaymentProtocol[]Key changes:
/authorize/autoinstead of/authorize/{protocol}Depends on: accounts PR #644 (
/authorize/autoendpoint)Test plan
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