51 lines
2.2 KiB
Markdown
51 lines
2.2 KiB
Markdown
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# First-pass simulation parameter sheet
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Design-only consistent defaults for scenario-based simulation. Source: [../config/simulation-params.json](../config/simulation-params.json).
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---
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## Default PMM (global)
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| Param | Value | Notes |
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|-------|--------|-------|
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| k | 0.1 | Curvature; lower = tighter peg |
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| feeBps | 25 | Fee in basis points |
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| inventoryTargetUnits | 1_000_000 | I_T^* baseline |
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| depthD0Units | 500_000 | D_0 for depth formula |
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---
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## Per-chain parameters (11 design chains)
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| Chain | Name | Hub | k | feeBps | Inventory target | bridgeBeta | bridgeGamma |
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|-------|------|-----|---|--------|------------------|-----------|-------------|
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| 1 | Ethereum Mainnet | USDC | 0.1 | 25 | 1_000_000 | 0.001 | 50 |
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| 10 | Optimism | USDC | 0.1 | 25 | 500_000 | 0.001 | 20 |
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| 25 | Cronos | USDT | 0.12 | 30 | 300_000 | 0.002 | 15 |
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| 56 | BSC (BNB Chain) | USDT | 0.1 | 25 | 800_000 | 0.001 | 10 |
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| 100 | Gnosis Chain | USDC | 0.12 | 30 | 400_000 | 0.0015 | 15 |
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| 137 | Polygon | USDC | 0.1 | 25 | 600_000 | 0.001 | 5 |
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| 42161 | Arbitrum One | USDC | 0.1 | 25 | 500_000 | 0.001 | 15 |
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| 8453 | Base | USDC | 0.1 | 25 | 400_000 | 0.001 | 10 |
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| 43114 | Avalanche C-Chain | USDC | 0.11 | 28 | 350_000 | 0.0015 | 20 |
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| 42220 | Celo | USDC | 0.12 | 30 | 300_000 | 0.002 | 15 |
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| 1111 | Wemix | USDT | 0.12 | 30 | 250_000 | 0.002 | 20 |
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- **bridgeBeta:** fractional bridge fee/slippage (β_ij).
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- **bridgeGammaUnits:** fixed cost units (γ_ij) for gas + messaging + relayer (nominal).
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---
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## Scenario defaults
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- **Design routing stress test:** Assume all 11 chains; one PMM per cW token vs hub; optional extra quote pools on chains 1, 56, 137.
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- **Topology sensitivity:** Hub model = all chains; full-quote model = chains 1, 56, 137 only (compare capture, churn, intervention cost).
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---
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## Usage
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1. Run **design-only** scenario sims using `simulation-params.json` (no addresses required).
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2. When deployment data exists, fill `deployment-status.json` per chain (cwTokens, anchorAddresses, pmmPools, bridgeAvailable).
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3. Iterate k/fee and inventory targets from sim outputs (router capture ratio, inventory churn, intervention cost). See [08-simulation-model.md](08-simulation-model.md) §7.
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