feat(wasm-utxo): add transaction size estimation #85
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OttoAllmendinger
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Adds a new Dimensions class that provides accurate virtual size estimates for BitGo wallet transactions with min/max bounds to account for signature size variance. Makes BitGoPsbt.wasm accessible via getter for internal use. Issue: BTC-2908 Co-authored-by: llm-git <llm-git@ttll.de>
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davidkaplanbitgo
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Jan 5, 2026
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Add a Dimensions class for transaction size estimation that handles:
This helps with more accurate fee calculations by providing reliable
size estimates before signing.
Issue: BTC-2908