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v0.19.0

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@ryanio ryanio released this 17 Jun 00:13
· 18 commits to main since this release
v0.19.0
e455b77

What's Changed

Support x402 v2 and GET endpoints in pay (#437). Bazaar-discovered x402 tools are frequently GET endpoints that speak x402 v2, where the SDK previously could not transact at all: pay only issued POST, only read the v1 body accepts challenge, and signed the v1 X-PAYMENT envelope.

  • New x402-challenge.ts: resolveNetwork() accepts base, eip155:8453, and 8453; parseX402Challenge() reads the PAYMENT-REQUIRED header or the body and normalizes the v2 amount field to maxAmountRequired.
  • signX402Payment emits the version-correct envelope (v1 {scheme,network,payload} vs v2 {payload,resource,accepted}) and echoes the challenge's x402Version. New x402PaymentHeaderName() (X-PAYMENT for v1, PAYMENT-SIGNATURE for v2) and X402_SETTLEMENT_HEADERS exports.
  • paidFetch routes through the shared parser and the version-correct header.
  • pay command: --method flag (defaults to POST) with auto-fallback to GET on 404/405, query-string encoding for bodyless verbs, version-correct payment header, on-chain settlement readout, RPC_URL defaulting to a public Base endpoint, and clearer wallet-config errors.
  • smoke and paid-authenticated-fetch resolve networks so CAIP-2 networks still get USDC validation.

Full Changelog: ProjectOpenSea/opensea-devtools@tool-sdk-v0.18.0...tool-sdk-v0.19.0

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