Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub · Data Analysis
Aavegotchi GBM Skill
View, create, cancel, bid, and claim Aavegotchi GBM auctions on Base mainnet (8453). Subgraph-first discovery (Goldsky), with onchain verification + executio...
skill openclawclawhub Free
View, create, cancel, bid, and claim Aavegotchi GBM auctions on Base mainnet (8453). Subgraph-first discovery (Goldsky), with onchain verification + executio...
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Install for OpenClaw
Quick setup
- Download the package from Yavira.
- Extract the archive and review SKILL.md first.
- Import or place the package into your OpenClaw setup.
Package facts
- Download mode
- Yavira redirect
- Package format
- ZIP package
- Source platform
- Tencent SkillHub
- What's included
- SKILL.md, references/addresses.md, references/bid-math.md, references/logs.md, references/presets.md, references/recipes.md
Validation
- Use the Yavira download entry.
- Review SKILL.md after the package is downloaded.
- Confirm the extracted package contains the expected setup assets.
Install with your agent
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Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
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New install
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
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Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 0.1.0
Provenance
- Publisher
- cinnabarhorse
- Source page
- View original listing
- Canonical URL
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Documentation
Safety Rules
Default to DRY_RUN=1. Never broadcast unless explicitly instructed. Always verify Base mainnet: ~/.foundry/bin/cast chain-id --rpc-url "${BASE_MAINNET_RPC:-https://mainnet.base.org}" must be 8453. Always verify key/address alignment: ~/.foundry/bin/cast wallet address --private-key "$PRIVATE_KEY" must equal $FROM_ADDRESS. Always refetch from the subgraph immediately before any simulate/broadcast step (auctions can be outbid, ended, claimed, or cancelled). Always gate onchain immediately before simulating or broadcasting: ensure the onchain highestBid matches the highestBid you pass into commitBid / swapAndCommitBid. ensure token params match (token contract, token id, quantity). Never print or log $PRIVATE_KEY.
Shell Input Safety (Avoid RCE)
This skill includes shell commands. Treat any value you copy from a user or an external source (subgraph responses, chat messages, etc.) as untrusted. Rules: Never execute user-provided strings as shell code (avoid eval, bash -c, sh -c). Only substitute addresses that match 0x + 40 hex chars. Only substitute uint values that are base-10 digits (no commas, no decimals). In the command examples below, auction-specific inputs are written as quoted placeholders like "<AUCTION_ID>" to avoid accidental shell interpolation. Replace them with literal values only after validation. Quick validators (replace the placeholder values): python3 - <<'PY' import re auction_id = "<AUCTION_ID>" # digits only token_contract = "<TOKEN_CONTRACT_ADDRESS>" # 0x + 40 hex chars token_id = "<TOKEN_ID>" # digits only amount = "<TOKEN_AMOUNT>" # digits only if not re.fullmatch(r"[0-9]+", auction_id): raise SystemExit("AUCTION_ID must be base-10 digits only") if not re.fullmatch(r"0x[a-fA-F0-9]{40}", token_contract): raise SystemExit("TOKEN_CONTRACT_ADDRESS must be a 0x + 40-hex address") if not re.fullmatch(r"[0-9]+", token_id): raise SystemExit("TOKEN_ID must be base-10 digits only") if not re.fullmatch(r"[0-9]+", amount): raise SystemExit("TOKEN_AMOUNT must be base-10 digits only") print("ok") PY
Required Setup
Required env vars: PRIVATE_KEY: EOA private key used for cast send (never print/log). FROM_ADDRESS: EOA address that owns NFTs and will submit txs. BASE_MAINNET_RPC: RPC URL. If unset, use https://mainnet.base.org. GBM_SUBGRAPH_URL: Goldsky subgraph endpoint for auctions. Optional env vars: DRY_RUN: 1 (default) to only simulate via cast call. Set to 0 to broadcast via cast send. RECIPIENT_ADDRESS: for swap flows; receives any excess GHST refunded by the contract. Defaults to FROM_ADDRESS. GOLDSKY_API_KEY: optional; if set, include Authorization: Bearer ... header in subgraph calls. SLIPPAGE_PCT: defaults to 1 (%); used in swapAmount estimate math. GHST_USD_PRICE, ETH_USD_PRICE: optional overrides; if unset, fetch from CoinGecko in the swap math snippets. Recommended defaults (override via env if needed): export BASE_MAINNET_RPC="${BASE_MAINNET_RPC:-https://mainnet.base.org}" export GBM_DIAMOND="${GBM_DIAMOND:-0x80320A0000C7A6a34086E2ACAD6915Ff57FfDA31}" export GHST="${GHST:-0xcD2F22236DD9Dfe2356D7C543161D4d260FD9BcB}" export USDC="${USDC:-0x833589fCD6eDb6E08f4c7C32D4f71b54BDA02913}" export GBM_SUBGRAPH_URL="${GBM_SUBGRAPH_URL:-https://api.goldsky.com/api/public/project_cmh3flagm0001r4p25foufjtt/subgraphs/aavegotchi-gbm-baazaar-base/prod/gn}" export DRY_RUN="${DRY_RUN:-1}" export SLIPPAGE_PCT="${SLIPPAGE_PCT:-1}" Notes: Commands below use ~/.foundry/bin/cast so they work in cron/non-interactive shells.
View / List Auctions (Subgraph First)
See references/subgraph.md for canonical queries. Auction by id (quick): curl -s "$GBM_SUBGRAPH_URL" -H 'content-type: application/json' ${GOLDSKY_API_KEY:+-H "Authorization: Bearer $GOLDSKY_API_KEY"} --data '{ "query":"query($id:ID!){ auction(id:$id){ id type contractAddress tokenId quantity seller highestBid highestBidder totalBids startsAt endsAt claimAt claimed cancelled presetId category buyNowPrice startBidPrice } }", "variables":{"id":"<AUCTION_ID>"} }' Active auctions (ends soonest first): NOW=$(date +%s) curl -s "$GBM_SUBGRAPH_URL" -H 'content-type: application/json' ${GOLDSKY_API_KEY:+-H "Authorization: Bearer $GOLDSKY_API_KEY"} --data "{ \"query\":\"query(\$now:BigInt!){ auctions(first:20, orderBy: endsAt, orderDirection: asc, where:{claimed:false, cancelled:false, startsAt_lte:\$now, endsAt_gt:\$now}){ id type contractAddress tokenId quantity highestBid highestBidder totalBids startsAt endsAt claimAt presetId category seller } }\", \"variables\":{\"now\":\"$NOW\"} }"
Onchain Verification (Required Before Bids / Sends)
The onchain source of truth is the GBM diamond. Confirm core auction fields (full struct decode): ~/.foundry/bin/cast call "$GBM_DIAMOND" \ 'getAuctionInfo(uint256)((address,uint96,address,uint88,uint88,bool,bool,address,(uint80,uint80,uint56,uint8,bytes4,uint256,uint96,uint96),(uint64,uint64,uint64,uint64,uint256),uint96,uint96))' \ "<AUCTION_ID>" \ --rpc-url "$BASE_MAINNET_RPC" Useful individual getters: ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getAuctionHighestBid(uint256)(uint256)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getAuctionHighestBidder(uint256)(address)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getAuctionStartTime(uint256)(uint256)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getAuctionEndTime(uint256)(uint256)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getContractAddress(uint256)(address)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getTokenId(uint256)(uint256)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC" ~/.foundry/bin/cast call "$GBM_DIAMOND" 'getTokenKind(uint256)(bytes4)' "<AUCTION_ID>" --rpc-url "$BASE_MAINNET_RPC"
Create Auction
Onchain method: createAuction((uint80,uint80,uint56,uint8,bytes4,uint256,uint96,uint96),address,uint256)(uint256) High-level steps: Ensure the token contract is whitelisted on the GBM diamond (otherwise revert ContractNotAllowed). Ensure the token is approved to the GBM diamond: ERC721/1155: setApprovalForAll(GBM_DIAMOND,true) Choose InitiatorInfo: startTime must be in the future. endTime - startTime must be between 3600 and 604800 seconds (1h to 7d). tokenKind is 0x73ad2146 (ERC721) or 0x973bb640 (ERC1155). buyItNowPrice optional; startingBid optional (if nonzero, you must approve GHST for the 4% prepaid fee). Simulate with cast call using --from "$FROM_ADDRESS". Broadcast with cast send only when explicitly instructed (DRY_RUN=0). Post-tx: query subgraph for newest seller auctions and match (contractAddress, tokenId). Simulate create (ERC721 example): ~/.foundry/bin/cast call "$GBM_DIAMOND" \ 'createAuction((uint80,uint80,uint56,uint8,bytes4,uint256,uint96,uint96),address,uint256)(uint256)' \ "(<START_TIME>,<END_TIME>,1,<CATEGORY>,0x73ad2146,<TOKEN_ID>,<BUY_NOW_GHST_WEI>,<STARTING_BID_GHST_WEI>)" \ "<ERC721_CONTRACT_ADDRESS>" "<PRESET_ID>" \ --from "$FROM_ADDRESS" \ --rpc-url "$BASE_MAINNET_RPC" Broadcast create (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" \ 'createAuction((uint80,uint80,uint56,uint8,bytes4,uint256,uint96,uint96),address,uint256)(uint256)' \ "(<START_TIME>,<END_TIME>,1,<CATEGORY>,0x73ad2146,<TOKEN_ID>,<BUY_NOW_GHST_WEI>,<STARTING_BID_GHST_WEI>)" \ "<ERC721_CONTRACT_ADDRESS>" "<PRESET_ID>" \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC" Post-create (find your newest auctions and confirm): curl -s "$GBM_SUBGRAPH_URL" -H 'content-type: application/json' ${GOLDSKY_API_KEY:+-H "Authorization: Bearer $GOLDSKY_API_KEY"} --data '{ "query":"query($seller:Bytes!){ auctions(first:10, orderBy: createdAt, orderDirection: desc, where:{seller:$seller}){ id type contractAddress tokenId quantity createdAt startsAt endsAt claimed cancelled } }", "variables":{"seller":"<FROM_ADDRESS_LOWERCASE>"} }'
Cancel Auction
Onchain method: cancelAuction(uint256) Steps: Subgraph: check claimed, cancelled, endsAt, highestBid. Onchain: call getAuctionInfo(auctionId) to verify ownership and state. Simulate with cast call (--from "$FROM_ADDRESS"). Broadcast only when explicitly instructed. Simulate: ~/.foundry/bin/cast call "$GBM_DIAMOND" 'cancelAuction(uint256)' "<AUCTION_ID>" \ --from "$FROM_ADDRESS" \ --rpc-url "$BASE_MAINNET_RPC" Broadcast (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" 'cancelAuction(uint256)' "<AUCTION_ID>" \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC"
Bid With GHST (commitBid)
Onchain method: commitBid(uint256,uint256,uint256,address,uint256,uint256,bytes) (last bytes is ignored; pass 0x) Steps: Subgraph: fetch auction fields (id, contractAddress, tokenId, quantity, highestBid, startsAt, endsAt, claimed/cancelled). Onchain: refetch highestBid and token params; you must pass the exact current onchain highestBid or it reverts UnmatchedHighestBid. Compute a safe minimum next bid using references/bid-math.md (uses onchain bidDecimals + stepMin). Ensure GHST allowance to the GBM diamond covers bidAmount. Simulate via cast call (optional but recommended). Broadcast only when explicitly instructed. Simulate: ~/.foundry/bin/cast call "$GBM_DIAMOND" \ 'commitBid(uint256,uint256,uint256,address,uint256,uint256,bytes)' \ "<AUCTION_ID>" "<BID_AMOUNT_GHST_WEI>" "<HIGHEST_BID_GHST_WEI>" "<TOKEN_CONTRACT_ADDRESS>" "<TOKEN_ID>" "<TOKEN_AMOUNT>" 0x \ --from "$FROM_ADDRESS" \ --rpc-url "$BASE_MAINNET_RPC" Broadcast (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" \ 'commitBid(uint256,uint256,uint256,address,uint256,uint256,bytes)' \ "<AUCTION_ID>" "<BID_AMOUNT_GHST_WEI>" "<HIGHEST_BID_GHST_WEI>" "<TOKEN_CONTRACT_ADDRESS>" "<TOKEN_ID>" "<TOKEN_AMOUNT>" 0x \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC"
Bid With USDC Swap (swapAndCommitBid)
Onchain method: swapAndCommitBid((address,uint256,uint256,uint256,address,uint256,uint256,uint256,address,uint256,uint256,bytes)) Struct fields (in order): tokenIn (USDC) swapAmount (USDC 6dp) minGhstOut (GHST wei; must be >= bidAmount) swapDeadline (unix; must be <= now + 86400) recipient (refund receiver for excess GHST) auctionID bidAmount (GHST wei) highestBid (must match onchain) tokenContract tokenID amount (tokenAmount/quantity) _signature (ignored; pass 0x) Compute swapAmount estimate in references/swap-math.md. Simulate: ~/.foundry/bin/cast call "$GBM_DIAMOND" \ 'swapAndCommitBid((address,uint256,uint256,uint256,address,uint256,uint256,uint256,address,uint256,uint256,bytes))' \ "($USDC,<SWAP_AMOUNT_USDC_6DP>,<MIN_GHST_OUT_GHST_WEI>,<SWAP_DEADLINE_UNIX>,${RECIPIENT_ADDRESS:-$FROM_ADDRESS},<AUCTION_ID>,<BID_AMOUNT_GHST_WEI>,<HIGHEST_BID_GHST_WEI>,<TOKEN_CONTRACT_ADDRESS>,<TOKEN_ID>,<TOKEN_AMOUNT>,0x)" \ --from "$FROM_ADDRESS" \ --rpc-url "$BASE_MAINNET_RPC" Broadcast (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" \ 'swapAndCommitBid((address,uint256,uint256,uint256,address,uint256,uint256,uint256,address,uint256,uint256,bytes))' \ "($USDC,<SWAP_AMOUNT_USDC_6DP>,<MIN_GHST_OUT_GHST_WEI>,<SWAP_DEADLINE_UNIX>,${RECIPIENT_ADDRESS:-$FROM_ADDRESS},<AUCTION_ID>,<BID_AMOUNT_GHST_WEI>,<HIGHEST_BID_GHST_WEI>,<TOKEN_CONTRACT_ADDRESS>,<TOKEN_ID>,<TOKEN_AMOUNT>,0x)" \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC"
Bid With ETH Swap (swapAndCommitBid)
Same method as above, but: tokenIn = 0x0000000000000000000000000000000000000000 --value <SWAP_AMOUNT_WEI> must equal the swapAmount you pass inside the tuple. Broadcast (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" \ 'swapAndCommitBid((address,uint256,uint256,uint256,address,uint256,uint256,uint256,address,uint256,uint256,bytes))' \ "(0x0000000000000000000000000000000000000000,<SWAP_AMOUNT_WEI>,<MIN_GHST_OUT_GHST_WEI>,<SWAP_DEADLINE_UNIX>,${RECIPIENT_ADDRESS:-$FROM_ADDRESS},<AUCTION_ID>,<BID_AMOUNT_GHST_WEI>,<HIGHEST_BID_GHST_WEI>,<TOKEN_CONTRACT_ADDRESS>,<TOKEN_ID>,<TOKEN_AMOUNT>,0x)" \ --value "<SWAP_AMOUNT_WEI>" \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC"
Claim Auction
Onchain methods: claim(uint256) batchClaim(uint256[]) Claim readiness: Auction owner can claim at now >= endsAt. Highest bidder can claim at now >= endsAt + cancellationTime. cancellationTime is readable from storage slot 12 (see references/recipes.md). Subgraph may provide claimAt (if populated), but always verify onchain. Simulate: ~/.foundry/bin/cast call "$GBM_DIAMOND" 'claim(uint256)' "<AUCTION_ID>" \ --from "$FROM_ADDRESS" \ --rpc-url "$BASE_MAINNET_RPC" Broadcast (only when explicitly instructed): ~/.foundry/bin/cast send "$GBM_DIAMOND" 'claim(uint256)' "<AUCTION_ID>" \ --private-key "$PRIVATE_KEY" \ --rpc-url "$BASE_MAINNET_RPC"
Optional: Buy Now
Onchain methods: buyNow(uint256) swapAndBuyNow((address,uint256,uint256,uint256,address,uint256)) These are not required for the primary use case, but are adjacent to bidding flows. If you use them, follow the same safety gating: refetch from subgraph verify onchain price/state simulate (cast call) only broadcast when explicitly instructed
Smoke Tests (No Funds Required)
Subgraph reachable (introspection lists auction, auctions, bid, bids): curl -s "$GBM_SUBGRAPH_URL" -H 'content-type: application/json' ${GOLDSKY_API_KEY:+-H "Authorization: Bearer $GOLDSKY_API_KEY"} --data '{ "query":"{ __schema { queryType { fields { name } } } }" }' \ | python3 -c 'import json,sys; f=[x[\"name\"] for x in json.load(sys.stdin)[\"data\"][\"__schema\"][\"queryType\"][\"fields\"]]; print([n for n in f if n in (\"auction\",\"auctions\",\"bid\",\"bids\")])' Subgraph data sane: curl -s "$GBM_SUBGRAPH_URL" -H 'content-type: application/json' ${GOLDSKY_API_KEY:+-H "Authorization: Bearer $GOLDSKY_API_KEY"} --data '{\"query\":\"query($id:ID!){ auction(id:$id){ id contractAddress tokenId } }\",\"variables\":{\"id\":\"0\"}}' Onchain reachable + matches subgraph: ~/.foundry/bin/cast call "$GBM_DIAMOND" \ 'getAuctionInfo(uint256)((address,uint96,address,uint88,uint88,bool,bool,address,(uint80,uint80,uint56,uint8,bytes4,uint256,uint96,uint96),(uint64,uint64,uint64,uint64,uint256),uint96,uint96))' \ 0 \ --rpc-url "$BASE_MAINNET_RPC"
Common Failure Modes
UnmatchedHighestBid: you passed a stale highestBid param. Refetch onchain and retry. InvalidAuctionParams: token contract / id / amount mismatch. Refetch and verify. AuctionNotStarted / AuctionEnded: timing mismatch. Check startsAt/endsAt (subgraph + onchain). AuctionClaimed: already claimed or cancelled. Check claimed (subgraph + onchain). BiddingNotAllowed: diamond paused, contract bidding disabled, or re-entrancy lock. Refetch onchain state. Swap errors: LibTokenSwap: swapAmount must be > 0 LibTokenSwap: deadline expired LibTokenSwap: Insufficient output amount (increase swapAmount or slippage)
Category context
Data access, storage, extraction, analysis, reporting, and insight generation.
Source: Tencent SkillHub
Largest current source with strong distribution and engagement signals.
Package contents
Included in package
6 Docs
- SKILL.md
- references/addresses.md
- references/bid-math.md
- references/logs.md
- references/presets.md
- references/recipes.md