fix(kaspa): two-pass fee estimation for migration mass calculation#448
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fix(kaspa): two-pass fee estimation for migration mass calculation#448
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…ation The single-pass approach underestimated the fee because storage mass is C/output_amount — the actual change output (relayer_sum - fee) is smaller than relayer_sum, yielding higher mass. Apply the same two-pass pattern used in the withdrawal sweep flow, and use ceil() instead of round(). Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add RELAYER_SWEEPING_PRIORITY_FEE (3000 sompi) buffer to both passes, matching the withdrawal sweep pattern. This covers any residual underestimation from the fee-mass feedback loop. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
C / output_amount— the actual change output (relayer_sum - fee) is smaller thanrelayer_sum, yielding higher mass than estimatedcalculate_relayer_feeinsweep.rs)round()toceil()to avoid rounding down below the required feeFixes:
transaction has 18089 fees which is under the required amount of 18128Test plan
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