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configurator Configure CCA (Continuous Clearing Auction) smart contract parameters through an interactive bulk form flow. Use when user says "configure auction", "cca auction", "setup token auction", "auction configuration", "continuous auction", or mentions CCA contracts.
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Basierend auf der SOC-Berufsklassifikation
Mehr aus diesem Repository This skill should be used when the user asks to "provide liquidity", "create LP position", "add liquidity to pool", "become a liquidity provider", "create v3 position", "create v4 position", "concentrated liquidity", "set price range", or mentions providing liquidity, LP positions, or liquidity pools on Uniswap. Generates deep links to create positions in the Uniswap interface.
This skill should be used when the user asks to "swap tokens", "trade ETH for USDC", "exchange tokens on Uniswap", "buy tokens", "sell tokens", "convert ETH to stablecoins", "find memecoins", "discover tokens", "research tokens", "tokens to buy", "find tokens to swap", "what should I buy", or mentions swapping, trading, researching, discovering, buying, or exchanging tokens on any Uniswap-supported chain. Supports both known token swaps and token discovery workflows (discovery uses keyword search and web search — there is no live "trending" feed). Generates deep links to execute swaps in the Uniswap interface.
Integrate Uniswap liquidity provisioning (LP) into applications via the LP REST API. Use when the user says "LP API", "liquidity provisioning API", "provide liquidity programmatically", "create LP position via API", "add liquidity via API", "increase liquidity", "decrease liquidity", "remove liquidity", "claim LP fees", "collect LP fees", "manage LP positions in code", or mentions building a backend, bot, or frontend that creates or manages Uniswap v2/v3/v4 liquidity positions through an API. Also use when debugging LP API calls (e.g. /lp/create, /lp/check_approval, /lp/increase, /lp/decrease, /lp/claim_fees), unexpected response fields, the approval or EIP-712 permit flow, or transaction-building errors for liquidity positions. For generating deep links to the Uniswap web app instead of calling the API, use the liquidity-planner skill; for using the Uniswap v4 SDK directly rather than the REST API, use the v4-sdk-integration skill.
name configurator description Configure CCA (Continuous Clearing Auction) smart contract parameters through an interactive bulk form flow. Use when user says "configure auction", "cca auction", "setup token auction", "auction configuration", "continuous auction", or mentions CCA contracts. allowed-tools Read, Write, Edit, Glob, Grep, Bash(curl:*), WebFetch, AskUserQuestion, cca-supply-schedule__generate_supply_schedule, cca-supply-schedule__encode_supply_schedule model opus license MIT metadata {"author":"uniswap","version":"1.0.0"}
CCA Configuration
Configure Continuous Clearing Auction (CCA) smart contract parameters for fair and transparent token distribution.
Runtime Compatibility: This skill uses AskUserQuestion for interactive prompts. If AskUserQuestion is not available in your runtime, collect the same parameters through natural language conversation instead.
Instructions for Claude Code
When the user invokes this skill, guide them through a bulk interactive form configuration flow using AskUserQuestion. Collect parameters in batches to minimize user interaction rounds.
Bulk Interactive Form Rules
Batch questions - Ask up to 4 questions at once using a single AskUserQuestion callAllow direct input - For fields requiring custom values (addresses, numbers):
Provide a "Not available yet" or "Skip for now" option
The "Other" option (automatically provided) allows direct custom input
NEVER ask "Do you have X?" as a separate question
Store answers - Keep track of all collected values in a configuration objectValidate after collection - After each batch, validate all inputs before proceedingShow progress - After each batch, show which parameters are collected and which remain
Configuration Flow Collect parameters in these batches:
Batch 1: Task Selection (1 question)
Prompt: "What would you like to do with CCA?"
Options: "Configure auction parameters", "Generate supply schedule only", "Review existing config", "Deploy existing config"
After collection: If not "Configure auction parameters", skip to appropriate section.
Batch 2: Basic Configuration (4 questions)
Prompt: "Which network to deploy on?"
Options: "Ethereum Mainnet", "Unichain (Mainnet)", "Unichain Sepolia (Testnet)", "Base", "Arbitrum", "Sepolia"
Store: chainId, blockTime, rpcUrl, currencyDecimals (for selected currency)
Question 2: Token Address
Prompt: "Token to be auctioned?"
Options: "Token not deployed yet" (placeholder), Custom address (via "Other")
Validation: Must be 42 chars starting with 0x
Store: token
Prompt: "How many tokens to auction?"
Options: "100 million tokens (18 decimals)", "1 billion tokens (18 decimals)", "10 billion tokens (18 decimals)", Custom (via "Other")
Validation: Must be <= 1e30 wei
Store: totalSupply
Prompt: "What currency should bidders use?"
Options: "ETH (Native)", "USDC on [network]", "USDT on [network]", Custom ERC20 (via "Other")
Validation: Must be 42 chars starting with 0x or address(0)
Store: currency
After collection: Validate all inputs, show summary of basic configuration.
Batch 3: Timing & Pricing (4 questions) Question 1: Auction Duration
Prompt: "How long should the auction run?"
Options: "1 day", "2 days", "3 days", "7 days", Custom blocks (via "Other")
Calculate blocks based on network block time
Store: auctionBlocks
Question 2: Prebid Period
Prompt: "Include a prebid period? (time when no tokens are sold)"
Options: "No prebid period (0 blocks)", "12 hours", "1 day", Custom blocks (via "Other")
Calculate blocks based on network block time
Store: prebidBlocks
Prompt: "Starting floor price? (ratio of currency per token)"
Options: "0.10x (10% of 1:1 ratio)", "0.01x (1% of 1:1 ratio)", "0.001x (0.1% of 1:1 ratio)", Custom ratio (via "Other")
Calculate Q96 value accounting for decimal differences: Q96 * ratio / 10^(tokenDecimals - currencyDecimals)
For USDC (6 decimals) and 18-decimal token: Q96 * ratio / 10^12
For native ETH (18 decimals) and 18-decimal token: Q96 * ratio / 10^0 = Q96 * ratio
Store: floorPriceRatio, floorPrice (Q96), tokenDecimals, currencyDecimals
Prompt: "Tick spacing as percentage of floor price?"
Options: "1% of floor price (Recommended)", "10% of floor price", "0.1% of floor price", Custom percentage (via "Other")
Calculate: tickSpacing = int(floorPrice * percentage)
CRITICAL : Round floor price DOWN to be evenly divisible by tick spacing:
roundedFloorPrice = (floorPrice // tickSpacing) * tickSpacingVerify: roundedFloorPrice % tickSpacing == 0 must be true
Validate: Tick spacing must be >= 1 basis point of floor price
Store: tickSpacingPercentage, tickSpacing (Q96), roundedFloorPrice
After collection: Validate inputs, verify floor price divisibility, calculate and display Q96 values, show timing summary.
Batch 4: Recipients & Launch (4 questions) Question 1: Tokens Recipient
Prompt: "Where should unsold tokens be sent?"
Options: "Same as funds recipient", Custom address (via "Other")
Validation: Must be 42 chars starting with 0x
Store: tokensRecipient
Question 2: Funds Recipient
Prompt: "Where should raised funds be sent?"
Options: "Same as tokens recipient", Custom address (via "Other")
Validation: Must be 42 chars starting with 0x
Store: fundsRecipient
Prompt: "When should the auction start?"
Options: "In 1 hour", "In 6 hours", "In 24 hours", Custom block number (via "Other")
Fetch current block number from RPC and calculate
Store: startBlock
Calculate: endBlock = startBlock + prebidBlocks + auctionBlocks, claimBlock = endBlock
Question 4: Minimum Funds Required
Prompt: "Require minimum currency raised for graduation?"
Options: "No minimum (0)", "100 ETH", "1000 ETH", Custom amount in wei (via "Other")
Store: requiredCurrencyRaised
After collection: Validate addresses, fetch current block from RPC, calculate full block timeline.
Batch 5: Optional Hook (1 question) Question 1: Validation Hook
Prompt: "Use a validation hook contract?"
Options: "No validation hook", Custom hook address (via "Other")
Validation: Must be 42 chars starting with 0x (if provided)
Store: validationHook
After collection: Validate hook address if provided.
Step 6: Generate Supply Schedule If MCP server is not running , provide instructions to start it:
cd packages/plugins/uniswap-cca/mcp-server/supply-schedule
chmod +x setup.sh
./setup.sh
python3 server.py
Once the MCP server is running, call the cca-supply-schedule__generate_supply_schedule MCP tool with the collected parameters. The tool expects a JSON object:
{
"auction_blocks" : 86400 ,
"prebid_blocks" : 0
}
Replace the values with the actual auctionBlocks and prebidBlocks collected from the user.
If the MCP tool is unavailable, use the fallback Python algorithm directly (see Supply Schedule Configuration section).
Step 7: Generate and Display Configuration After collecting all parameters and generating the supply schedule, display the complete JSON configuration in the CLI output:
{
"[chainId]" : {
"token" : "..." ,
"totalSupply" : ...,
"currency" : "..." ,
"tokensRecipient" : "..." ,
"fundsRecipient" : "..." ,
"startBlock" : ...,
"endBlock" : ...,
"claimBlock" : ...,
"tickSpacing" : ...,
"validationHook" : "..." ,
"floorPrice" : ...,
"requiredCurrencyRaised" : ...,
"supplySchedule" : [ ...]
}
}
Do NOT automatically create a file. Let the user copy the JSON or specify a filepath to save it.
Step 8: Display Summary Show the user a comprehensive formatted summary including:
Network and chain ID
Token and currency details
Block timeline (start, end, claim) with human-readable times
Pricing (floor price, tick spacing) in both Q96 and ratio formats
Recipients (tokens, funds)
Supply schedule summary (total phases, final block percentage)
Validation checklist (all validation rules passed/failed)
Step 9: Next Steps Ask the user what they want to do:
"Save to file" (ask for filepath, default: script/auction-config.json)
"View deployment instructions" (suggest using the deployer skill)
"Modify configuration"
"Exit" (just end, they can copy the JSON from CLI output)
Important Notes
Validate in batches - Validate all inputs after each batch collectionFetch current block number from RPC when calculating start/end blocksCalculate Q96 values correctly for floor price and tick spacing:
CRITICAL : Account for decimal differences: Q96 * ratio / 10^(tokenDecimals - currencyDecimals)USDC is 6 decimals on all networks - divide by 10^12 for 18-decimal tokens
Native ETH is 18 decimals - no adjustment needed for 18-decimal tokens
Round floor price to be evenly divisible by tick spacing:
roundedFloorPrice = (floorPrice // tickSpacing) * tickSpacingMUST verify : roundedFloorPrice % tickSpacing == 0
Use the MCP tool for supply schedule generation (provide setup instructions if not running)Minimize interaction rounds - Collect as many params as reasonable per batch
Network-Specific Constants Store these for quick reference:
const NETWORKS = {
1 : {
name : 'Mainnet' ,
blockTime : 12 ,
rpc : 'https://ethereum-rpc.publicnode.com' ,
usdc : '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' ,
},
130 : {
name : 'Unichain' ,
blockTime : 1 ,
rpc : 'https://mainnet.unichain.org' ,
usdc : '0x078D782b760474a361dDA0AF3839290b0EF57AD6' ,
},
1301 : {
name : 'Unichain Sepolia (Testnet)' ,
blockTime : 2 ,
rpc : 'https://sepolia.unichain.org' ,
usdc : '0x078D782b760474a361dDA0AF3839290b0EF57AD6' ,
},
8453 : {
name : 'Base' ,
blockTime : 2 ,
rpc : 'https://mainnet.base.org' ,
usdc : '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913' ,
},
42161 : {
name : 'Arbitrum' ,
blockTime : 2 ,
rpc : 'https://arb1.arbitrum.io/rpc' ,
usdc : '0xaf88d065e77c8cc2239327c5edb3a432268e5831' ,
},
11155111 : {
name : 'Sepolia' ,
blockTime : 12 ,
rpc : 'https://ethereum-sepolia-rpc.publicnode.com' ,
usdc : '0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238' ,
},
};
const Q96 = 79228162514264337593543950336n ;
Q96 = 79228162514264337593543950336
Overview CCA (Continuous Clearing Auction) is a novel auction mechanism that generalizes the uniform-price auction into continuous time. It provides fair price discovery for bootstrapping initial liquidity while eliminating timing games and encouraging early participation.
Fair price discovery : Continuous clearing with no timing gamesTransparent distribution : Supply released on a predetermined scheduleFlexible configuration : Customizable auction parameters and schedulesMulti-chain support : Canonical deployment across EVM chainsFactory deployment : Consistent addresses via CREATE2
Quick Decision Guide Task... Use This Section Configure auction parameters Configuration Guide Generate supply schedule Supply Schedule Configuration Understand auction mechanics Technical Overview
Configuration Guide
Auction Parameters CCA auctions are configured through the AuctionParameters struct:
struct AuctionParameters {
address currency; // Token to raise funds in (address(0) for ETH)
address tokensRecipient; // Address to receive leftover tokens
address fundsRecipient; // Address to receive all raised funds
uint64 startBlock; // Block when auction starts
uint64 endBlock; // Block when auction ends
uint64 claimBlock; // Block when tokens can be claimed
uint256 tickSpacing; // Fixed granularity for prices (Q96)
address validationHook; // Optional hook (use 0x0 if none)
uint256 floorPrice; // Starting floor price (Q96)
uint128 requiredCurrencyRaised; // Minimum funds to graduate
bytes auctionStepsData; // Packed supply issuance schedule
}
Configuration File Format Create a JSON configuration file (e.g., script/auction-config.json):
{
"1" : {
"token" : "0x..." ,
"totalSupply" : 1e29 ,
"currency" : "0x0000000000000000000000000000000000000000" ,
"tokensRecipient" : "0x..." ,
"fundsRecipient" : "0x..." ,
"startBlock" : 24321000 ,
"endBlock" : 24327001 ,
"claimBlock" : 24327001 ,
"tickSpacing" : 79228162514264337593543950 ,
"validationHook" : "0x0000000000000000000000000000000000000000" ,
"floorPrice" : 7922816251426433759354395000 ,
"requiredCurrencyRaised" : 0 ,
"supplySchedule" : [
{ "mps" : 1000 , "blockDelta" : 6000 } ,
{ "mps" : 4000000 , "blockDelta" : 1 }
]
}
}
Parameter Details
Basic Configuration Parameter Type Description tokenaddress Token being auctioned totalSupplynumber Total tokens to auction (wei/smallest unit) currencyaddress Purchase token (USDC, etc.) or address(0) for ETH tokensRecipientaddress Where unsold tokens go fundsRecipientaddress Where raised funds go
Block Configuration Parameter Type Description Constraint startBlocknumber When auction starts startBlock < endBlock endBlocknumber When auction ends endBlock <= claimBlock claimBlocknumber When tokens can be claimed claimBlock >= endBlock
Mainnet, Sepolia: 12s per block
Unichain, Base, Arbitrum: 2s per block
Pricing Parameters Parameter Type Description floorPricenumber Minimum price (Q96 format) tickSpacingnumber Price tick increment (Q96 format) validationHookaddress Optional validation contract (use 0x0 if none) requiredCurrencyRaisednumber Minimum funds needed (0 if no minimum)
Supply Schedule Parameter Type Description supplySchedulearray Array of {mps, blockDelta} objects
Price Calculations (Q96 Format) CCA uses Q96 fixed-point format for precise pricing. The base value 2^96 (79228162514264337593543950336) represents a 1:1 price ratio.
Floor Price Calculation CRITICAL: Account for decimal differences between token and currency.
Q96 = 79228162514264337593543950336
token_decimals = 18
currency_decimals = 6
decimal_adjustment = 10 ** (token_decimals - currency_decimals)
floorPrice = Q96 * 0.1 / decimal_adjustment
token_decimals = 18
currency_decimals = 18
decimal_adjustment = 10 ** (18 - 18 )
floorPrice = Q96 * 0.1 / 1
Key Point: USDC has 6 decimals on all networks, so you must divide by 10^12 when using USDC with 18-decimal tokens.
Tick Spacing Calculation Tick spacing governs where bids can be placed. Choose AT LEAST 1 basis point of the floor price . 1% or 10% is also reasonable.
tickSpacing = int (floorPrice * 0.01 )
Rounding Floor Price (CRITICAL) Floor price MUST be evenly divisible by tick spacing. Round DOWN to ensure exact divisibility:
tickSpacing = int (floorPrice * 0.01 )
roundedFloorPrice = (floorPrice // tickSpacing) * tickSpacing
assert roundedFloorPrice % tickSpacing == 0 , "Floor price must be divisible by tick spacing!"
Q96 = 79228162514264337593543950336
raw_floor_price = int (Q96 * 0.0001 )
tick_spacing = int (raw_floor_price * 0.01 )
rounded_floor_price = (raw_floor_price // tick_spacing) * tick_spacing
Warning : Setting too small of a tick spacing will make the auction extremely gas inefficient and can result in DoS attacks.
Supply Schedule Configuration
Understanding MPS (Milli-Basis Points) Supply schedules use MPS = 1e7 (10 million), where each unit represents one thousandth of a basis point.
The supply schedule defines the token issuance rate over time. Each step contains:
mps: Tokens released per block (in mps units)blockDelta: Number of blocks this rate applies
Standard Schedule Generator The plugin includes an MCP server that generates supply schedules using a normalized convex curve with the following properties:
12 steps (default, configurable) for gradual releaseEqual token amounts per step (5.8333% for 70% gradual release)Decreasing block durations (convex curve property)Large final block receives remaining tokens (~30%, configurable 20-40%)Total : Always exactly 10,000,000 MPS Use the MCP tool generate_supply_schedule to generate this standard distribution:
{
"auction_blocks" : 86400 ,
"prebid_blocks" : 0
}
The algorithm automatically calculates:
Equal token amounts per step (e.g., 5.8333% for 12 steps with 70% gradual)
Time boundaries from normalized curve C(t) = t^α (default α = 1.2)
Block durations that DECREASE over time (convex curve property)
Final block adjustment to hit exactly 10,000,000 MPS total
Example: 2-day auction on Base Base uses 2s blocks, so 2 days = 86400 blocks.
Call generate_supply_schedule with:
{
"auction_blocks" : 86400 ,
"prebid_blocks" : 0
}
Output (normalized convex distribution):
{
"schedule" : [
{ "mps" : 54 , "blockDelta" : 10894 } ,
{ "mps" : 68 , "blockDelta" : 8517 } ,
{ "mps" : 75 , "blockDelta" : 7803 } ,
{ "mps" : 79 , "blockDelta" : 7373 } ,
{ "mps" : 83 , "blockDelta" : 7068 } ,
{ "mps" : 85 , "blockDelta" : 6835 } ,
{ "mps" : 88 , "blockDelta" : 6647 } ,
{ "mps" : 90 , "blockDelta" : 6490 } ,
{ "mps" : 92 , "blockDelta" : 6356 } ,
{ "mps" : 94 , "blockDelta" : 6238 } ,
{ "mps" : 95 , "blockDelta" : 6136 } ,
{ "mps" : 97 , "blockDelta" : 6043 } ,
{ "mps" : 2988006 , "blockDelta" : 1 }
] ,
"auction_blocks" : 86400 ,
"prebid_blocks" : 0 ,
"total_phases" : 13 ,
"summary" : {
"total_mps" : 10000000 ,
"target_mps" : 10000000 ,
"final_block_mps" : 2988006 ,
"final_block_percentage" : 29.88 ,
"num_steps" : 12 ,
"alpha" : 1.2 ,
"main_supply_pct" : 70.0 ,
"step_tokens_pct" : 5.8333
}
}
Block durations DECREASE: 10894 → 8517 → 7803 → ... → 6043
Token amounts per step are approximately equal (~5.8333% each)
Final block contains 29.88% of all tokens
Total is exactly 10,000,000 MPS
Example: With prebid period Add a prebid period where no tokens are released (mps=0). The prebid is prepended to the schedule.
Call generate_supply_schedule with:
{
"auction_blocks" : 86400 ,
"prebid_blocks" : 43200
}
{
"schedule" : [
{ "mps" : 0 , "blockDelta" : 43200 } ,
{ "mps" : 54 , "blockDelta" : 10894 } ,
{ "mps" : 68 , "blockDelta" : 8517 } ,
...
{ "mps" : 2988006 , "blockDelta" : 1 }
] ,
"auction_blocks" : 86400 ,
"prebid_blocks" : 43200 ,
"total_phases" : 14 ,
"summary" : {
"total_mps" : 10000000 ,
"target_mps" : 10000000 ,
"final_block_mps" : 2988006 ,
"final_block_percentage" : 29.88 ,
"num_steps" : 12 ,
"alpha" : 1.2 ,
"main_supply_pct" : 70.0 ,
"step_tokens_pct" : 5.8333
}
}
Notice: The prebid phase is simply prepended with mps: 0. The auction portion still uses the same normalized convex distribution.
Custom Schedule For custom distribution, manually define the schedule:
{
"supplySchedule" : [
{ "mps" : 100 , "blockDelta" : 5000 } ,
{ "mps" : 200 , "blockDelta" : 5000 } ,
{ "mps" : 500 , "blockDelta" : 4400 }
]
}
Important : The last block should sell a significant amount of tokens (typically 30%+) to prevent price manipulation.
Encoding Supply Schedule for Onchain Deployment After generating a supply schedule, it must be encoded into a bytes format for the onchain AuctionParameters struct. The encoding packs each {mps, blockDelta} element into a uint64.
Encoding Algorithm For each element in the supply schedule:
Create uint64 (64 bits / 8 bytes) where:
First 24 bits: mps value (left padded)
Next 40 bits: blockDelta value (left padded)
Pack all uint64s together via encodePacked (concatenate bytes)Return as hex bytes string with 0x prefix
Encoding Formula // Solidity equivalent
uint64 packed = (uint64(mps) << 40) | uint64(blockDelta);
bytes memory auctionStepsData = abi.encodePacked(packed1, packed2, ...);
Value Constraints
mps : Must fit in 24 bits (max: 16,777,215)blockDelta : Must fit in 40 bits (max: 1,099,511,627,775)
Using the MCP Tool Use the encode_supply_schedule MCP tool to encode a supply schedule:
{
"schedule" : [
{ "mps" : 0 , "blockDelta" : 43200 } ,
{ "mps" : 54 , "blockDelta" : 10894 } ,
{ "mps" : 68 , "blockDelta" : 8517 }
]
}
{
"encoded" : "0x0000000000a8c00000003600002aa60000004400002145..." ,
"length_bytes" : 112 ,
"num_elements" : 14
}
Manual Encoding Example (Python) def encode_supply_schedule (schedule ):
"""Encode supply schedule to bytes."""
encoded_bytes = b''
for item in schedule:
mps = item['mps' ]
block_delta = item['blockDelta' ]
assert mps < 2 **24 , f"mps {mps} exceeds 24-bit max"
assert block_delta < 2 **40 , f"blockDelta {block_delta} exceeds 40-bit max"
packed = (mps << 40 ) | block_delta
encoded_bytes += packed.to_bytes(8 , byteorder='big' )
return '0x' + encoded_bytes.hex ()
schedule = [
{"mps" : 0 , "blockDelta" : 43200 },
{"mps" : 54 , "blockDelta" : 10894 }
]
encoded = encode_supply_schedule(schedule)
print (encoded)
Integration with Configuration Flow When using the configurator skill:
Generate schedule via generate_supply_schedule MCP toolEncode schedule via encode_supply_schedule MCP toolInclude encoded bytes in final configuration outputPass to deployment script as auctionStepsData parameter The encoded bytes string is what gets passed to the Factory's initializeDistribution function as part of the configData parameter.
Getting Current Block Number Use public RPCs to fetch current block for startBlock configuration:
Available Public RPCs
Fetch Block Number curl -X POST "https://mainnet.base.org" \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"method": "eth_blockNumber",
"params": [],
"id": 1
}'
{
"jsonrpc" : "2.0" ,
"id" : 1 ,
"result" : "0x123abc"
}
Convert hex to decimal for block number.
Validation Rules Before generating configuration, ensure:
Block constraints : startBlock < endBlock <= claimBlockValid addresses : All addresses are valid Ethereum addresses (0x + 40 hex chars)Non-negative values : All numeric values >= 0Floor price alignment : Floor price must be a multiple of tick spacingTick spacing : At least 1 basis point of floor price (1%, 10% recommended)Supply schedule : Last block sells significant tokens (~30%+)Total supply bounds : Max 1e30 wei (1 trillion 18-decimal tokens)No FoT tokens : Fee-on-transfer tokens not supportedMinimum decimals : Do not use tokens with < 6 decimals
Additional Resources 