CSHLD-597: Add sBTC burn function to BitGo JS SDK#8641
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abhi-bitgo wants to merge 1 commit intomasterfrom
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CSHLD-597: Add sBTC burn function to BitGo JS SDK#8641abhi-bitgo wants to merge 1 commit intomasterfrom
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@claude review this PR as grug; call out only potential issues, risks, or areas for improvement (no summaries or praise), be direct and actionable, max ~500 words. |
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Add SbtcWithdrawBuilder for constructing initiate-withdrawal-request contract calls to the sBTC withdrawal contract. Includes BTC address decoding utilities supporting P2PKH, P2SH, P2WPKH, P2WSH, and P2TR address types, with post-condition enforcement for fungible token transfers. Ticket: CSHLD-597
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alextse-bg
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Apr 30, 2026
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Summary
Add sBTC withdrawal transaction builder to the STX SDK, enabling construction and signing of
initiate-withdrawal-requestcontract calls to the sBTC withdrawal contract.Linear: CSHLD-597
Changes
SbtcWithdrawBuilderextendingAbstractContractBuilderfor sBTC withdrawal transactionsbtcAddressUtils.tswith BTC address decoding supporting P2PKH, P2SH, P2WPKH, P2WSH, and P2TRsbtcWithdrawalContractAddresstoStacksNetworkinterface and implementations (mainnet + testnet)SbtcWithdrawBuilderintoTransactionBuilderFactoryfor deserialization routingbech32andbs58checkdependencies for BTC address decodingSbtcWithdrawParamsinterfaceSbtcWithdrawBuilder(build, round-trip serialize/deserialize, validation)Test Plan
Closes CSHLD-597