24752 + Srdltd results #10
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baseline-sim: Standard Bitcoin Core behavior
24752-sim: A branch that increases the upper bound for changeless
solutions found with the Branch and Bound coin selection algorithm.
See PR#24752.
First Simulation:
- Bustabit Tiny Hot Wallet payment scenario:
- About 5k withdrawals
- About 10k deposits
- Hot wallet ⇒ keeps fund levels between 10 and 30 BTC
- Peak and Tail (PaT) feerate sequence:
- The feerates spike early in the feerate sequence, then stay at very
low levels for the remainder of the sequence
- The sequence has 365 entries and will repeat after that
- Average feerate is around 10 s/vB
Second Simulation:
- Bustabit Tiny Hot Wallet payment scenario:
- About 5k withdrawals
- About 10k deposits
- Hot wallet ⇒ keeps fund levels between 10 and 30 BTC
- 2019--2020 (19-20) feerate sequence:
- The sequence has 728 entries and will repeat after that
- A daily sample of feerates across 2019-2020. Feerates follow what
resembles a sinus curve, starting low, the feerates pass over a hill
of high feerates then falling and going through a low before rising
again
This commit pushes results for simulations of the Single Random Draw Limited coin selection algorithm. Simulated was - Bustabit Tiny Hot Wallet Payment scenario - with two feerate scenarios: - Peak-and-Tail - 2019-2020-daily-sample - with five different branches introducing SRDLTD - Baseline (BnB, KS, SRD) - BnB, SRD, SRDLTD - BnB, SRDLTD - BnB, KS, SRDLTD - BnB, KS, SRD, SRDLTD Observations: - Baseline has the smallest UTXO pool across both scenarios - Baseline has 6-12% higher cost across both scenarios than alternatives adding SRDLTD - BnB, SRD, SRDLTD has the smallest cost across both scenarios - BnB, KS, SRD, SRDLTD has slightly higher cost but slightly smaller UTXO pool than BnB, SRD, SRDLTD
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