feat(wasm-utxo): add PSBT fromNetworkFormat#264
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Deprecate fromHalfSignedLegacyTransaction in favor of fromNetworkFormat, which accepts unsigned, half-signed, and fully-signed transactions. Signature-count enforcement moves to callers. The new API parses fixed-script inputs (multisig or replay protection) and applies signatures using either positional slot indices (if any OP_0 placeholders exist) or ECDSA verification against wallet pubkeys (if all slots are compact). This enables hydration of finalized transactions that were previously rejected by the legacy parser. For Zcash, use ZcashBitGoPsbt.fromNetworkFormat with block height or explicit consensus branch ID. All legacy variants delegate to the new implementation internally for backward compatibility. Issue: BTC-0 Co-authored-by: llm-git <llm-git@ttll.de>
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Deprecate fromHalfSignedLegacyTransaction in favor of fromNetworkFormat,
which accepts unsigned, half-signed, and fully-signed transactions.
Signature-count enforcement moves to callers.
The new API parses fixed-script inputs (multisig or replay protection)
and applies signatures using either positional slot indices (if any
OP_0 placeholders exist) or ECDSA verification against wallet pubkeys
(if all slots are compact). This enables hydration of finalized
transactions that were previously rejected by the legacy parser.
For Zcash, use ZcashBitGoPsbt.fromNetworkFormat with block height or
explicit consensus branch ID. All legacy variants delegate to the new
implementation internally for backward compatibility.
Issue: BTC-0
Co-authored-by: llm-git llm-git@ttll.de